Testo 510 Digital Manometer
Handheld, differential pressure meter for installation and maintenance work in and around ventilation and air conditioning
$149.00
$141.55
In Stock
Testo 570 Refrigeration System Analyzer Kit
Simultaneous superheating and subcooling calculations in real-time, w/ data storage
$750.00
$712.50
Testo 174 Temperature & Relative Humidity Data Logger
Temperature and relative humidity data logger with 16,000 memory slots available
Starting at
$61.00
$57.95
Testo 320 Combustion Analyzer
RESNET certified combustion analyzer, combustion analysis in HD, high def & heavy duty, for residential and commercial applications
Starting at
$1,250.00
$1,187.50
Testo 425 Thermal Anemometer
Hot wire thermo-anemometer and compact air velocity and volume meter with thermal probe
Starting at
$495.00
$470.25
Testo 635 Thermo Hygrometer
Humidity and temperature meter with wireless and memory options
Starting at
$385.00
$365.75
Testo 625 Thermo Hygrometer
Handheld humidity and temperature meter with remote probe or wireless options
Starting at
$251.00
$238.45
Testo 310 Residential Combustion Analyzer
Fully-featured, top-of-display icons, rugged, wide parameter range
Starting at
$625.00
$593.75
Testo 330-2G LL Combustion Analyzer
Advanced combustion efficiency analyzers with dynamic graphic interface
Starting at
$1,861.00
$1,656.29
Testo 316-1 Gas Leak Detector
Reliable natural gas leak detection with flexible probe
$253.00
$240.35
Testo 175 Series Data Logger
Compact data loggers for temperature and humidity
Starting at
$150.00
$142.50
Testo 405 Hot Wire Thermo-Anemometer
Economical, highly accurate hot wire thermo-anemometer with telescopic probe
$142.00
$134.90
In Stock
Testo 435 Multifunction HVAC and IAQ Meter
Easily measure flow speed, volume flow, air humidity and air temperature in one sequence, perfect for HVAC and IAQ applications
Starting at
$564.00
$535.80
Testo 330-1G LL Combustion Analyzer
Advanced combustion efficiency analyzers with dynamic graphic interface
Starting at
$1,449.00
$1,376.55
Testo 610 Air Humidity and Temperature Meter
Pocket-sized professional moisture measurement technology
$151.00
$143.45
In Stock
Testo 925 Type K Thermometer
1 channel temperature measuring instrument with optional wireless probes, Measuring range: -58 to 1832°F (-50 to 1000°C)
$111.00
Testo 557 Digital Manifold
4-valve refrigeration system analyzer with a remote vacuum probe for faster and more reliable evacuations
$499.00
$474.05
Testo 410 Air Velocity Meter
Vane anemometer and humidity meter with integrated NTC air thermometer
Starting at
$113.00
$107.35
Testo 205 pH/Temperature Meter
Rugged food penetration pH meter with automatic temperature compensation
Starting at
$271.00
$257.45
Testo 645 Humidity Meter
Long-term stable, highly accurate humidity sensor, data analysis using comSoft 3
$757.00
$719.15
Testo Saveris Wireless Temperature Monitoring System
Data and limit value monitoring for temperature and humidity
Starting at
$825.00
$783.75
Testo 6651/6681 Humidity Transmitter
High-performance transmitters designed for monitoring critical climate applications in process engineering
Starting at
$488.00
$463.60
Testo 416 Mini-Vane Anemometer
Vane anemometer with cabled telescopic vane probe
Starting at
$550.00
$522.50
Testo 535 Ambient CO2 Monitor
Highly accurate 2 channel infrared sensor carbon dioxide monitor with a 0 to 9,999 ppm measuring range
$543.00
$515.85
In Stock
Testo 816 Sound Level Meter
Versatile sound level meter for general purpose sound measurements. Includes bar graph and outputs to connect to other instruments
$493.00
$468.35
Testo 606 Moisture Meters
Pocket-sized professional moisture measurement technology
Starting at
$104.00
$98.80
Testo 480 IAQ Pro Meter
Reliable, accurate, rugged, meets any indoor climate measurement
$1,283.00
$1,218.85
In Stock
Testo 417 Large Vane Anemometer
Vane probe anemometer with built-in 4 inch vane
Starting at
$399.00
$379.05
Testo 6740 Trace Humidity Sensor
Ideal for monitoring compressed air dryers and preventing system damage from condensing water vapor
Starting at
$1,270.00
$1,206.50
Testo 810 Infrared Thermometer
Allows measurement of both air temperature and non-contact surface temperature in one instrument
$88.00
$83.60
Testo 605-HX Mini Thermohygrometer
Bendable humidity measurement stick
Starting at
$109.00
$103.55
In Stock
Testo 317-2 Gas Leak Stick
Determines ambient propane and methane and audibly warns the user
$164.00
$155.80
Testo 552 Vacuum Gauge
Requires no cleaning, best in class accuracy, 1100 to 0 mbar measuring range, IP42 protected
$189.00
Testo 6351 Differential Pressure Transmitter
Testo 6351 Differential Pressure Transmitter - Measures differential pressure, flow velocity and flow volume
Starting at
$717.00
$681.15
Testo 830-T2 Infrared Thermometer
-8 to 752°F, 12:1 (D:S), ±1.5°F accuracy, 2 point laser sight, adjustable emissivity (0.1 to 1)
$99.00
$94.05
Testo 176 Data Loggers
Up to 5-channel data loggers with high accuracy and metal housing
Starting at
$378.00
$359.10
In Stock
Testo 622 / 623 Ambient Conditions Monitors
Precision benchtop measurement of temperature, humidity and pressure
Starting at
$191.00
$181.45
Testo Pocket Pro 540 Light Meter
Sensor sensitivity resembles that of the human eye
$146.00
$138.70
In Stock
Testo 875i-1 Thermal Imager Kit
The Testo 875i-1 offers 19,200 pixels (160 x 120), up to 662°F temp range, and 50mk sensitivity
$2,895.00
$2,750.25
Testo 835-T2 Infrared Thermometer
50:1 long distance optic, high temperature range up to 2700 °F
$504.00
$478.80
Testo 316-3 Refrigerant Leak Detector
Reliable leak detection for most refrigerants including all CFC, HFCs and HCFCs
$299.00
$284.05
In Stock
Testo 6321 Differential Pressure Transmitter
Differential pressure transmitter with full functionality for automated air conditioning and ventilation applications
Starting at
$369.00
$350.55
Testo 845 Adjustable Focus Infrared Thermometer
Easily shift between close focus and long distance temperature measurement
Starting at
$757.00
$719.15
Testo 870-1 Thermal Imager
The Testo 870-1 offers 19,200 pixels (160 X 120), up to 536°F temp range, and <100 mK, 34° x 26° field of view
$1,896.00
Testo 830-T1 Infrared Thermometer
-8 to 752°F, 10:1 (D:S), ±1.5°F accuracy, 1 point laser sight, adjustable emissivity (0.1 to 1)
$74.00
$70.30
Testo 104 Digital Thermometer
Digital, folding, waterproof thermometer
$98.00
$93.10
In Stock
Testo 6383 Differential Pressure Transmitter
Differential pressure transmitter with cleanroom-conforming flat panel design and 10 Pa to 10 hPa measuring range
Starting at
$1,287.00
$1,222.65
Testo 6621 RH & Temperature Transmitter
2 channel sensor, accurate, dependable RH sensor technology (± 2.5% RH), functional, attractive housing blends into any environment
Starting at
$221.00
Testo 875i-2 Thermal Imager Kit
The Testo 875i-2 offers 19,200 pixels (160 x 120), up to 662°F temp range, and 50mk sensitivity
$4,295.00
$4,080.25
Testo 545 Light Meter w/ Data Logger
Log up to 3,000 readings and calculate the mean value with the touch of a button
$392.00
$372.40
Testo 890 Series Thermal Imager
The Testo 890 offers 307,000 pixels (640 x 480), -4 to 212°F, sensitivity < 40 mK, and the highest resolution
Starting at
$20,250.00
$19,237.50
Testo 922 Dual Type K Thermometer
Measuring range: -58 to 1832°F (-50 to 1000°C), ideally suited for application in the HVAC field, 2-channel temperature measuring
$154.00
Testo 635-2 Compact Pro Dewpoint (HPD) Kit
$2,051.00
$1,948.45
Testo 6381 Differential Pressure Transmitter
Measures differential pressure, flow velocity and flow volume with optional humidity and temperature measurement.
Starting at
$899.00
$854.05
Testo 103 Digital Thermometer
Compact, digital, folding, waterproof thermometer
$56.00
$53.20
Testo 870-2 Thermal Imager
The Testo 870-2 offers 19,200 pixels (160 X 120), up to 536°F temp range, <100 mK, 34° x 26° field of view, and a digital camera
$2,528.00
Testo 435-4 IAQ Kit with Memory
$2,665.00
$2,531.75
Testo 805 Mini IR Thermometer
Waterproof infrared thermometer with a measurement range from -25 to +250°C
Starting at
$49.00
$46.55
Testo 885-1 Thermal Imager
The Testo 885-1 offers 76,800 pixels (320 x 240), up to 662°F, and 30mk sensitivity
$9,195.00
$8,735.25
Testo 882 Thermal Imager Kit
The Testo 882 offers 76,800 pixels (320 x 240), -4 to 662°F, and 50mK thermal sensitivity
$8,295.00
$7,880.25
Testo 835-T1 Infrared Thermometer
50:1 long distance optic, 4-point laser shows the exact measuring area for precise readings
$251.00
$238.45
Testo 830-T4 Infrared Thermometer
-8 to 752°F, 30:1 (D:S), ±1°F accuracy, 2 point laser sight, adjustable emissivity (0.1 to 1)
$150.00
$142.50
Testo 875i-2 Deluxe Thermal Imager Kit
The Testo 875i-2 kit offers 19,200 pixels (160 x 120), up to 662°F temp range, and 50mk sensitivity
$5,495.00
$5,220.25
Testo 835-H1 Infrared Thermometer
50:1 long distance optic, humidity measurement range: 0 to 100% rH
$378.00
$359.10
Testo 885-2 Thermal Imager Kit
The Testo 885-2 offers 76,800 pixels (320 x 240), up to 662°F, and 30mk sensitivity
$11,895.00
$11,300.25
Testo 885-2 Deluxe Thermal Imager Kit
The Testo 885-2 offers 76,800 pixels (320 x 240), up to 662°F, and 30mk sensitivity
$12,995.00
$12,345.25
Testo 549i Refrigeration Pressure Probe
Smart probe that measures refrigeration pressure and transmits data via Bluetooth to an App on your smart device
$54.00
Testo 115i Pipe Clamp Thermometer
Smart probe that measures the temperature of pipes and transmits data via Bluetooth to an App on your smart device
$64.00
Testo 905i Thermometer
Smart probe that measures air temperature and transmits data via Bluetooth to an App on your smart device
$65.00
Testo 410i Vane Anemometer
Smart probe that measures air velocity, volume flow, and temperature and transmits data via Bluetooth to an App on your smart device
$79.00
Testo 805i IR Thermometer
Smart probe that measures non-contact temperature and transmits data via Bluetooth to an App on your smart device
$79.00
Testo 605i Thermo-Hygrometer
Smart probe that measures relative humidity and temperature and transmits data via Bluetooth to an App on your smart device
$79.00
Testo 608 Thermo Hygrometer
Affordable instrument continuously measures humidity, temperature and dewpoint from a wall or desktop
Starting at
$87.00
In Stock
Testo 184 T Series Temperature Data Loggers
Convenient, easy-to-use loggers monitor every step of the cold chain in the transport of sensitive goods by rail, in the air, or on the road
Starting at
$92.00
$87.40
Testo 510i Manometer
Smart probe that measures differential pressure and transmits data via Bluetooth to an App on your smart device
$89.00
Testo 405i Hot Wire Anemometer
Smart probe that measures air velocity, volume flow, and temperature and transmits data via Bluetooth to an App on your smart device
$99.00
Testo 104 IR Digital Thermometer
Dual purpose folding thermometer with pentration probe and non-contact infrared measurement
$137.00
$130.15
Testo Saveris 2 Data Logger System
Wireless, Cloud enabled data logging system with integrated sensors for temperature and humidity measurement or external probes
Starting at
$151.00
Testo 511 Digital Manometer
Pocket-sized abolute pressure measuring instrument
$188.00
$178.60
Testo 317-3 Ambient CO Stick
Carbon monoxide monitor that detects CO in ambient air and warns with visual and audible alarms
$193.00
$183.35
Testo 549 Digital Manifold
Precisely measures high / low side pressure and instantly displays the corresponding saturation / evaporation temperatures for 60 refrigerants
$199.00
$189.05
Testo Hydronic Heating System Smart Probe Set
Determine gas flow and static pressure, measure temperature of radiators and pipes, and transmit data to your smart device
$220.00
Testo Refrigeration Smart Probe Set
Measure high-side & low-side refrigerant pressure & temperatures of AC/refrigeration systems & transmits data to your smart device
$220.00
Testo 184 H1 Temperature and Humidity Data Logger
Temperature and humidity data logger with LCD display and USB port for configuration and data download
$258.00
$245.10
Testo 815 Sound Level Meter
Versatile, general purpose instrument provides Class 3L accuracy for the evaluation of sound level in everyday work
$294.00
$279.30
Testo 550 Digital Manifold
Bluetooth enabled analyzer performs accurate temperature, pressure, superheat and sub-cooling measurements on refrigeration systems
$299.00
$284.05
Testo 184 T4 Temperature Data Logger
Cryogenic temperature logger designed for monitoring goods shipped with dry ice
$321.00
$304.95
Testo VAC Smart Probe Set
Combination of four instruments to test and balance a multioutlet ventilation system & transmit data to your smart device
$315.00
Testo 184 G1 Temperature, Humidity and Shock Data Logger
Easy-to-use data logger for the monitoring of shock, relative humidity and temperature during transportation
$466.00
$442.70
Testo 512 Series Digital Manometers
Pressure and flow velocity measuring instrument with ranges from 0-2 hPa to 0-2000 hPa
Starting at
$476.00
$452.20
Testo 270 Cooking Oil Tester
Easily, quickly and reliably determines the cooking oil quality
$520.00
$494.00
In Stock
Testo 816-1 Sound Level Meter
Top-of-the-line sound level meter with an accuracy of ±1.4 dB and integrated storage for up to 31,000 readings
$619.00
$588.05
Testo 420 Flow Hood Kit
App integration via Bluetooth, flow straightener for more precise measurement at turbulent outlets
Starting at
$2,195.00
Accessories
Testo Standard Probes
Wide range of probes for use with the Testo 635 thermo-hygrometer
Starting at
$68.00
$64.60
Testo Clamp Temperature Probe
Testo clamp temperature probe for Testo refrigeration system analyzers
$54.00
$51.30
Testo Temperature Probes
Temperature probes for Testo 400, Testo 650 and Testo 950 reference meters
Starting at
$102.00
$96.90
Testo 6610 Series Digital Probes
Digital probes for use with the Testo 6681 humidity transmitter
Starting at
$433.00
$411.35
Testo Emissivity Adhesive Tape
$87.00
$82.65
Testo P2A Software Package
Parameterizing, adjusting and analyzing software with USB cable and adaptor
$213.00
$202.35
Testo Saveris Ethernet Probes
Allows for data transfer from the probe to the base, even over long distances
Starting at
$507.00
$481.65
Testo Reference Oil
Analyzed reference oil, 100mL bottle of
$15.00
$14.25
Testo Humidity and Pressure Probes
Humidity and pressure probes for Testo 400 & Testo 650 reference meters
Starting at
$295.00
$280.25
Testo Wireless Probes
Wireless probes for use with Testo meters
Starting at
$74.00
$70.30
Testo Infrared Printer
Testo printer with wireless IRDA and infrared interface
$276.00
$262.20
Testo 6600 Series Digital Probes
Digital probes for use with the Testo 6651 humidity transmitter
Starting at
$303.00
$287.85
Testo 0602 5793 Type K Cryogenic Probe Type K
Cryogenic probe Type K, 20" / 500mm bendable, tip Ø 1.5 mm (-200 to 40°C)
$40.00
Testo Saveris External Temperature Probes
A variety of plug-in probes compatible with your Testo Saveris wireless temperature monitoring system
Starting at
$18.00
$17.10
In Stock
Testo 0635 2045 19" Pitot Tube
$158.00
$150.10
Testo Temperature Probes
Temperature probes for Testo Meters
Starting at
$48.00
$45.60
Testo Pitot Tube
Pitot tubes for 510/511/512 digital manometers
Starting at
$139.00
$132.05
Testo easyKool Software
easyKool software (for 556/560/570)
$299.00
$284.05
Testo RS232 Cable
Connects Testo 545/645 light meter to PC for data transfer
$70.00
$66.50
Testo Stump NTC stub probe
$39.00
$37.05
Testo 0554 8808 Switching Adapter
Switching adapter 5VDC 5A
$51.00
Testo Saveris Wireless Probes
Selection of wireless probes compatible with the Testo Saveris wireless monitoring system
Starting at
$209.00
$198.55
Testo Velocity Probes
Velocity probes Testo 400 reference meter
Starting at
$592.00
$562.40
Testo 435 Air Quality Probes
Air quality probes for the Testo 435 multifunction HVAC and IAQ meter
Starting at
$509.00
$483.55
Testo Silicone Hose
16' silicone hose for pressure measurement
$49.00
$46.55
Testo 0393 0005 Replacement O2 Sensor
Replacement O2 Sensor
$110.00
Testo 0602 0993 Fast Action Surface Probe
90° fast action surface probe Type K
$164.00
Testo 330 Gas Leak Detection Probe
Gas leak detection probe for Testo 330 combustion analyzer
$313.00
$297.35
Testo RH Calibration Set
Perform quick checks or full calibrations for humidity probes
$338.00
$321.10
Testo 435 Air Speed Probes
Air speed probes for the Testo 435 multifunction HVAC and IAQ meter
Starting at
$343.00
$325.85
Testo 0554 7806 SuperResolution
SuperResolution technology improves the image quality by one detector class
$410.00
Testo 330 Flexible Gas Probe
Flexible flue gas probe for Testo 330 combustion analyzer
$445.00
$422.75
Testo 0516 0435 Deluxe Service Case
For Compact Pro Dewpoint Kit
$260.00
$247.00
Testo Carbon Monoxide Probe
Carbon monoxide ambient probe for the Testo 400, Testo 650 and Testo 330 meters
$516.00
$490.20
Testo Hard Case
Protect your Testo instrument and probes
$70.00
$66.50
In Stock
Testo Wireless Probe and Upgrade Kit D (RH)
Measurements up to 65 ft
$449.00
$426.55
Testo Waterproof Pt100 Immersion/penetration Probe
Pt100 sensor for accurate measurements of -58 to 752°F temp range, ideal for laboratory applications
$88.00
$83.60
Testo 0602 0693 Hi-Temp Surface Probe
Hi-temp surface probe with small flat head
$126.00
Testo Saveris Adjustment Software
Calibrate or adjust Testo Saveris probes
$430.00
$408.50
Testo Carbon Dioxide Probe
Carbon dioxide (CO2) ambient probe for Testo 400, Testo 650 and Testo 950 reference meters
$743.00
$705.85
Testo 0554 8852 Spare Battery
Spare battery for the 885 and 890
$122.00
$115.90
Testo Smoke Pump Test Kit
Standard Smoke Pump Test Kit (includes scale, filter paper and lubricant)
$123.00
$116.85
Testo 0390 0090 Replacement CO Sensor
Replacement CO Sensor, 0 to 8,000 ppm
$800.00
Testo Dew Point HPD Probe
Standard compressed air pressure dew point HPD probe, 300 mm length
$1,792.00
$1,702.40
Testo Bead Tip Thermocouple
Fiber glass sheating, measuring range: -58 to 752°F, 59" flexible bead tip
$31.00
$29.45
Testo 0393 0053 Replacement CO Sensor
Replacement CO Sensor, 0 to 4000 ppm
$210.00
Testo TopSafe Protective Case
Indestructible protection case protects from impact
$32.00
$30.40
Testo Probe Connection Cables
5 or 16 foot probe connection cables for Testo 400 & Testo 645 meters
Starting at
$62.00
$58.90
Testo 0628 1292 Penetration probe with metal protection tube
Penetration probe with metal protection tube
$107.00
Testo 0602 0593 Type K Immersion Probe
Immersion probe, water tight, TC type K, tip 1.5mm x 300mm length, Temp range: -76 to 1832°F (-60 to 1000°C)
$110.00
Testo Pt100 Laboratory Probe
Measuring range: -58 to 752°F
$125.00
$118.75
Testo Funnel Kit
Flow funnel kit for low flow (>50 CFM) measurements
$219.00
$208.05
NIST Certificate of Calibration
NIST traceable certificate of calibration for sound level meters
$600.00
Testo Wireless Module
Wireless module for upgrading Testo meters to a wireless option
$65.00
$61.75
Testo Teflon Sintered Filter
Teflon sintered filter (21mm) diam.
$66.00
$62.70
Testo 0554 0592 16' Type K extension cable
16' Type K extension cable
$67.00
Testo 400520 1901 NIST Temperature Certificate
NIST Temperature certificate with 3 standard points
$85.00
Testo 0393 0101 Replacement CO Sensor
Replacement CO Sensor
$525.00
Testo HUMIDITY-MOISTURE Probes
High temperature/humidity, Flexible humidity probe and Water activity (aW) probe
Starting at
$1,295.00
$1,230.25
Testo Silicone Heat Conducting Paste
Silicone heat conducting paste 0.49 oz / 14 g
$17.00
$16.15
Testo Stationary NTC probe
$45.00
$42.75
Testo TopSafe Case
TopSafe Case for 316-1 Analyzer
$61.00
$57.95
Testo 0628 9992 Cooking Surface Probe
Surface probe for cooking surfaces, Type K
$185.00
Testo 0393 0002 Replacement O2 Sensor
Replacement O2 Sensor
$310.00
Testo 0390 0061 Replacement O2 Sensor
Spare O2-sensor for the testo 330-1 LL / -2 LL
$325.00
Testo High Humidity Level Probe
High humidity level probe w/ heated sensor element, no humidity on sensor
$1,116.00
$1,060.20
Testo Smoke Pump Scale
Smoke pump scale
$27.00
$25.65
Testo 0516 1200 Case
Compact carrying case
$67.00
Testo Hard Case
Hard carrying case for Testo 550 Refrigeration System Analyzer
$94.00
$89.30
Testo Pipe Wrap Temperature Probe
Pipe wrap probe with Velcro for pipes up to 3" in diameter
$94.00
$89.30
Testo 0628 0030 Needle Probe
Type T thermocouple for monitoring cooking in an oven at temperatures of -56 to 482°F
$115.00
$109.25
Testo 330 Combustion Air Probe
Combustion air temperature probe, 2.4" immersion w/ 13' cable for Testo 330 combustion analyzer
$131.00
$124.45
Testo Easy Heat Software
Easy heat software
$136.00
$129.20
Testo 0602 2394 Flat Head Surface Probe
Flat head surface probe Type K
$370.00
Testo Temperature Probes
Pt100 immersion / penetration probe or flexible immersion probe
Starting at
$546.00
$518.70
Testo 0554 3922 NO Upgrade Module
NO Upgrade Module, 0 to 3000 ppm, high range, 1 ppm resolution
$1,138.00
Testo Plug-In Power Supply
Plug-in mains adapter, 5 VDC 500 mA with European adapter, 100-250 VAC, 50-60 Hz
$26.00
$24.70
Testo Thermal Printer Paper
Thermal paper for Testo Infrared printer
$30.00
$28.50
In Stock
Testo Soft Carrying Case
$32.00
$30.40
In Stock
Testo Wireless Handle
Wireless handle for plug-in probe heads
$150.00
$142.50
Testo Lithium button battery
Lithium button battery, CR2032
$6.00
$5.70
Testo Protective Cap
Testo plastic protective cap
$7.00
$6.65
Testo Spare Battery
Spare battery for Testo Saveris radio probes
Starting at
$11.00
$10.45
Testo Storage Cap
Storage cap for use with Testo 205 pH/Temperature meters
$13.00
$12.35
Testo Manual Smoke Pump Filter Paper
Manual smoke pump filter paper - 40 strips
$15.00
$14.25
Testo USB cable
USB cable (mini USB to Standard USB)
$22.00
$20.90
Testo Particle Filter 10 Pack
Particle filters - pack of 10
$31.00
$29.45
Testo Smart Probe Case
Impact-resistant, flexible, zippered shell with protective foam insert and precise fit compartments
Starting at
$31.00
Testo 0516 0220 TopSafe
TopSafe for 925 & 926
$32.00
Testo 0516 0222 TopSafe for 922
TopSafe for 922
$32.00
Testo Sensor metal protective cap
Sensor metal protective cap (slotted), Ø 12 mm, flow velocities of < 7 m/s
$38.00
$36.10
Testo Service Case
Protective case for the safe storage of Testo instruments
$44.00
$41.80
Testo Wall / Duct  Transmitter Holder
Testo Wall / Duct Transmitter Holder
$45.00
$42.75
Testo 0628 0020 Velcro Pipe Wrap Probe
Type K thermocouple attaches to pipes up tp 120mm in diameter, measuring temperatures of -60 to 250°F
$49.00
$46.55
Testo 0554 0222 TE Adapter
TE Adapter
$48.00
Testo Industrial TC type K probe
Stainless steel sleeve, 6ft of cable, Measuring range: 58 to 400°F
$51.00
$48.45
Testo 327 Pressure Reading Adapter
Adapter for pressure readings for Testo 327 combustion analyzer
$52.00
$49.40
Testo Connection Hose
Connection hose, silicone-free, 5m
$52.00
$49.40
Testo Sintered Cap
Sintered cap 21mm diameter
$52.00
$49.40
Testo TopSafe
TopSafe for 445, 645
$53.00
$50.35
Testo 316-3 Replacement Sensor
Replacement sensor for Testo 316-3 refrigerant leak detector
$55.00
$52.25
Testo Replacement TC head
Replacement TC head for Pipe Clamp Probe
$56.00
$53.20
Testo Teflon Sintered Filter
Testo Teflon Sintered Filter
$57.00
$54.15
Testo Plug-in Head Cable
$62.00
$58.90
In Stock
Testo 0602 0293 Air / Immersion / Penetration Probe
Air / immersion / penetration probe for wireless handle Type K, tip Ø 3.4 mm x 30 mm, probe Ø 5 mm x 100 mm, -58 to 662°F (-50 to +350°C)
$59.00
Testo Immersion / penetration temp NTC probe
5ft (1.5m) cable,measuring Range: -31 to 176°F (-35 to +80°C)
$63.00
$59.85
Testo Recharger
Recharger with 4 NiMH rechargable batteries
$66.00
$62.70
Testo 0572 9001 Penetration Probe
Penetration probe TC with ribbon cable, cable length 2 m/6.5 ft, IP 54
$63.00
Testo 0602 1993 Waterproof Surface Probe
Waterproof surface probe with flat tip Type K
$68.00
In Stock
Testo Plastic Envelopes
Plastic envelopes for barcodes (50 pieces)
$74.00
$70.30
Testo Waterproof NTC immersion / penetration probe
Measuring range: -58 to +302°F, accuracy 0.5% of reading
$79.00
$75.05
Testo Air Temperaure Probe
Testo air temperature probe for Testo 550/570 refrigeration system analyzer
$82.00
$77.90
Testo 0409 1092 Handle for plug in thermocouples
Handle for plug in thermocouples
$83.00
Testo 0602 2292 Waterproof Stainless Steel Probe
Waterproof stainless steel food probe, TC type K, tip Ø 4 mm x 125 mm length, -76 to 752°F / -60 to +400°C
$87.00
Testo Surface Temperature Probe
Testo surface temperature probe for Testo 550/570 refrigeration system analyzer
$92.00
$87.40
Testo 0572 2151 External Humidity / Temperature Probe
External humidity / temperature probe 12 mm, plug-in, without cable
$88.00
Testo PTFE (Teflon) sintered filter
Ø 12 mm, not affected by condensation, water-repellent, resistant to corrosive substances
$93.00
$88.35
Testo TC Adapter
connect NiCr-Ni thermocouples and probes with open wire ends
$100.00
$95.00
Testo Power supply
Power supply unit 8VDC 1000mA
$102.00
$96.90
Testo 0572 1001 NTC Penetration Probe
Penetration probe NTC with ribbon cable, cable length 2 m/6.5 ft, IP 54
$99.00
Testo Cooking Oil Tester Calibration
Factory calibration of Testo 270 cooking oil tester
$100.00
Testo Transport Case
Transport case for Testo 645
$109.00
$103.55
Testo Probe Extension
Probe extension cable 16'
$112.00
$106.40
Testo Penetration food probe
$120.00
$114.00
Testo Teflon Protection Cap
Testo Teflon Protection Cap
$121.00
$114.95
Testo Lithium Ion Battery
$122.00
$115.90
Testo 0628 0026 Waterproof Needle Probe
Waterproof super-fast needle probe, highly accurate measurements without visible penetration hole, TC type K
$126.00
Testo 0516 0035 Compact Service Case
$135.00
$128.25
In Stock
Testo Pitot Tube
"L"-type pitot tube 13" SS 1112°F no T/C
$139.00
$132.05
Testo System Case for 330
Standard system case for 330 analyzer
$145.00
$137.75
Testo Pipe clamp probe
Thermocouple type K for pipes 0.2" to 2.5", measuring range: -76 to 266°F (-60 to +130°C)
$148.00
$140.60
Testo Pt100 Penetration Probe
Stainless steel food probe for -58 to 752°F temperature range
$159.00
$151.05
Testo Saveris Routers/Converters
Route, or convert, the signal of your Testo Saveris wireless temperature monitoring system
Starting at
$165.00
$156.75
Testo Power Supply
Wall-mountable 110-240 VAC box power supply
$167.00
$158.65
Testo Immersion probe Type K
Immersion probe Type K
$173.00
$164.35
Testo Replacement Probe
Replacement probe for Testo 205 pH/Temperature meter
$175.00
$166.25
Testo Dual Wall Probe
Dual wall probe for annular gap O2 supply
$176.00
$167.20
Testo IR Printer
IR Printer for the 310 Combustion Analyzer
$186.00
$176.70
Testo Compact Probes
7" or 12" Compact Probes, 1/4" diameter w/ 5' hose 932°F
Starting at
$197.00
$187.15
Testo 10N magnetic probe
Thermocouple type K (2.2 lbs. holding force), measuring range: -58 to 752°F (-50 to +400°C), 5.1ft of cable
$197.00
$187.15
Testo Pipe Clamp Probe
Clamp probe NTC for pipes from 1/4" to 2 1/2"
$200.00
$190.00
Testo DIN Rail Power Supply
DIN rail mountable 90-240 VAC power supply
$210.00
$199.50
Testo Spare Flow Hoods
Spare flow hoods for the 420 Balometer
Starting at
$200.00
Testo Pressure-tight Screw Connection
Testo Pressure-tight Screw Connection
Starting at
$213.00
$202.35
Testo 327 Hose Extension
9' hose extension for Testo 327 combustion analyzer
$218.00
$207.10
Testo 0554 6022 Adjustment Adapter Cable
Adjustment adapter cable for 1-pt adjustment for 650/400 meters, 5 ft, 8-pin DIN plugs
$213.00
Testo Connection Plug
Connection plug with 2 alarm points for Testo 6740 Series Trace Humidity Sensor
$235.00
$223.25
Testo System Case
System case for Testo 400, 650 and 950 Meters
$241.00
$228.95
Testo Cooling Coil
Cooling coil for Measuring Chamber
$244.00
$231.80
Testo Measurement Chamber
Measuring Chamber for Testo Dew Point Transmitters
$245.00
$232.75
Testo Probe Handle
Probe handle for Testo plug-in measuring tips
$254.00
$241.30
Testo 0572 6172 Humidity / Temperature Probe
Measuring range: -4 to 158°F, 4 ft cable, 0-100 %RH, mini DIN plug
$269.00
$255.55
Testo System Case for HVAC Measurements
System case for HVAC measurements
$274.00
$260.30
Testo 0554 8851 Rapid Charger Two Bay
Rapid Charger Two Bay for the Testo 885 and the Testo 890
$274.00
$260.30
Testo Fast Battery Charger
Charging station for two rechargeable batteries
$274.00
$260.30
Testo System Case
System case for Comfort Level Measurements
$274.00
$260.30
Testo Tripod
Tripod for the 480 IAQ Meter
$280.00
$266.00
Testo Flow-Through Meter
$300.00
$285.00
Testo Modular Probes
7" or 12" Modular probe, 5/16" dia, w/ 7' hose, t max=932°F
Starting at
$304.00
$288.80
Testo 0572 6174 Humidity / Temperature Probe
Measuring range: 0 to 104°F, 7 ft cable, tip 4 mm x 125 mm, 0-100 %RH, mini DIN plug
$314.00
$298.30
Testo Flow Funnel
testovent 415 Flow Funnel for low flow (< 50 CFM)
$321.00
$304.95
Testo Lens Protection Glass
$343.00
$325.85
Testo Telescopic Handle
Increases the reach of the Testo 400 & Testo 650 meters up to 1 meter
$357.00
$339.15
Testo Flow Funnel
testovent 410 Flow Funnel for low flow (< 50 CFM)
$358.00
$340.10
Testo TC with Tube
TC with tube and plug NiCr-Ni
$363.00
$344.85
Testo Aluminum Service Case
Protective aluminum service case for Testo 400 & Testo 650 meters
$371.00
$352.45
Testo 0554 4209 Tripod
420 Tripod, extendable to 13' (4m)
$360.00
Testo 0393 0051 Replacement CO Sensor
Replacement CO Sensor
$375.00
Testo 0390 0118 Replacement CO Sensor
Replacement CO Sensor
$375.00
Testo ComSoft Professional 4 Software
Data management software for Testo light meters
$379.00
Testo Light Probe
Light probe for the 480 IAQ meter
$412.00
$391.40
Testo Humidity and Temperature Probe
Humidity and temperature probe Ø 12 mm
$444.00
$421.80
In Stock
Testo 435 Light Probe
Light probe for the Testo 435 multifunction HVAC and IAQ meter
$454.00
$431.30
Testo Saveris Software
Simple and intuitive software for organizing Testo Saveris data
Starting at
$455.00
$432.25
Testo Sound Level Calibrator
Two-level calibrator (94 and 114 dB) is compatible with any sound level meter with a 1/2 or 1-inch microphone
$454.00
Testo Globe Probe
Type K, class 1 probe measures the radiation temperature
$507.00
$481.65
Testo Humidity / temperature probe
± 2%RH, probe Ø 21 mm, 0 to +100 %RH, -4 to 158°F / -20 to +70°C
$531.00
$504.45
Testo 0390 0094 Replacement Low Range NO Sensor
Replacement Low Range NO Sensor, 0 to 300 ppm, 0.1 ppm resolution
$525.00
Testo 0393 0151 Replacement NO Sensor
Replacement NO Sensor, 0 to 3,000 ppm
$525.00
Testo 0390 0074 Replacement NO Sensor
Replacement NO Sensor, 0 to 3,000 ppm
$525.00
Testo Precision Measurement Chamber
Precision measurement chamber with adjustable flow
$632.00
$600.40
Testo Vane Probe
Vane probe, 0.6" diameter with telescope
$681.00
$646.95
Testo Thermal Flow Probe
Flow and humidity measurements for ventilation channels and at ceiling/wall outlets. With telescoping handle
$688.00
$653.60
Testo Vane Probe (4" diameter)
Vane probe 4" diameter (100 mm)
$702.00
$666.90
Testo 0554 3931 NO Sensor Upgrade Module
NO Sensor Upgrade Module, 0 to 300 ppm, low range, 0.1 ppm resolution
$753.00
Testo Humidity / Temperature Immersion / Penetration Probe
For equilibrium moisture or for measurements in exhaust ducts to +120°C,
$812.00
$771.40
Testo Comfort Level Probe
Determines the air velocity and draft risk in accordance with DIN EN 13779.
$826.00
$784.70
Testo 0554 0289 Lens Protection Glass
Lens protection glass for the Testo 885 and 890 thermal imagers
$841.00
$798.95
Testo Indoor Air  Quality Probe
IAQ probe including desk-top stand measures temperature, humidity, CO2 and pressure
$1,017.00
$966.15
Testo Precision HPD Probe
-40° to 122°F dew point
$2,151.00
$2,043.45