Testo
Testo, Inc. is a world leader in the design, development, and manufacture of portable test measurement instrumentation. Backed by over 50 years of measuring engineering experience, Testo's mission is to provide the best quality, service, and value in the industry. In addition, Testo is recognized as the leading worldwide manufacturer of portable combustion efficiency analyzers. see more
Since being founded in 1957, the Testo product line has expanded to include a large variety of temperature measuring instruments, such as dataloggers, air velocity meters, humidity and dew point meters, refrigeration service analyzers, multi-function instruments, stack gas analyzers and air emission monitors, water analyzers, tachometers, sound, pressure and light meters, and thermal imagers. Testo has become a major supplier of HVAC, critical HVAC, refrigeration, airflow, and environmental monitoring instruments for markets as diverse as chemical, food service and production, pharmaceutical and biotech, and residential HVAC suppliers.
Testo offers NIST calibrations (where applicable) on all their instruments as well as ISO 9001 quality standards.
- CATEGORIES
- Air Velocity Meters / Anemometers (5)
- Ambient Conditions Monitors / Weather Stations (1)
- Carbon Dioxide (CO2) Detectors (1)
- Combustion Analyzers (4)
- Cooking Oil Testers (1)
- Dewpoint Meters (5)
- Flood Remediation Products (1)
- Humidity Meters / Hygrometers (10)
- Indoor Air Quality (IAQ) Meters (2)
- Infrared Thermometers (9)
- Leak Detectors (3)
- Light Meters (2)
- Moisture Meters (1)
- pH / ORP Meters (1)
- Pressure Indicators (1)
- Pressure Sensors / Transmitters / Transducers (4)
- Recorders / Dataloggers (3)
- Refrigeration Test Equipment (3)
- Sound Level Meters (1)
- Thermal Imagers / Infrared Cameras (10)
- Thermometers (2)
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Performs accurate temperature, pressure, superheat and sub-cooling measurements on refrigerants
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Starting at $299.00 $266.11 |
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Testo handheld pressure meters
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Starting at $195.00 $173.55 |
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Fully-featured, top-of-display icons, rugged, wide parameter range
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Starting at $695.00 $618.55 |
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Hot wire thermo-anemometer and compact air velocity and volume meter with thermal probe
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Starting at $650.00 $578.50 |
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Simultaneous superheating and subcooling calculations in real-time, w/ data storage
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$699.00 $622.11 |
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Humidity and temperature meter with wireless and memory options
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Starting at $475.00 $422.75 |
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Advanced combustion efficiency analyzers with dynamic graphic interface
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Starting at $2,100.00 $1,869.00 |
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Combustion analysis in HD, high def & heavy duty, for residential and commercial applications
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Starting at $1,195.00 $1,063.55 |
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Temperature and relative humidity datalogger with 16,000 memory slots available
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Starting at $75.00 $66.75 |
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Tracks the actual breakdown of cooking oil as it is used in frying
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$550.00 $489.50 |
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Vane anemometer and humidity meter with integrated NTC air thermometer
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Starting at $150.00 $133.50 |
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Pocket-sized professional moisture measurement technology
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$209.00 $186.01 |
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Advanced combustion efficiency analyzers with dynamic graphic interface
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Starting at $2,278.00 $2,027.42 |
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Economical, highly accurate hot wire thermo-anemometer with telescopic probe
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$189.00 $168.21 |
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Refrigeration System Analyzer with built-in vacuum gauge
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$535.00 $476.15 |
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Easily measure flow speed, volume flow, air humidity and air temperature in one sequence, perfect for HVAC and IAQ applications
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Starting at $649.00 $577.61 |
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Compact dataloggers for temperature and humidity
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Starting at $192.00 $170.88 |
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Handheld humidity and temperature meter with remote probe or wireless options
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Starting at $365.00 $324.85 |
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19,200 pixels (160 x 120), up to 662°F temp range, sensitivity 50mk
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$2,895.00 $2,605.50 |
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Vane anemometer with cabled telescopic vane probe
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Starting at $695.00 $618.55 |
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19,200 pixels (160 x 120), -2 to 536°F, sensitivity < 80mK w/ large rotatable display
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Starting at $3,499.00 $3,149.10 |
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Data and limit value monitoring for temperature and humidity
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Starting at $1,012.00 $900.68 |
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Gas leak sticks with an audible warning for propane, methane and carbon monoxide
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Starting at $169.00 $150.41 |
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Rugged food penetration pH meter with automatic temperature compensation
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Starting at $479.00 $426.31 |
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Long-term stable, highly accurate humidity sensor, data analysis using comSoft 3
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$1,085.00 $965.65 |
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Bendable humidity measurement stick
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Starting at $140.00 $124.60 |
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Pocket-sized professional moisture measurement technology
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Starting at $145.00 $129.05 |
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Class 2L & 3L accuracies with digital noise suppression
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Starting at $399.00 $355.11 |
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High-performance transmitters designed for monitoring critical climate applications in process engineering
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Starting at $450.00 $400.50 |
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Reliable natural gas leak detection with flexible probe
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$329.00 $292.81 |
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Vane probe anemometer with built-in 4 inch vane
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Starting at $525.00 $467.25 |
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Sensor sensitivity resembles that of the human eye
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$180.00 $160.20 |
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Highly accurate 2 channel infrared sensor carbon dioxide monitor with a 0 to 9,999 ppm measuring range
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$899.00 $800.11 |
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Reliable, accurate, rugged, meets any indoor climate measurement
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$1,395.00 $1,241.55 |
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307,000 pixels (640 x 480), -4 to 212°F, sensitivity < 40 mK, highest resolution
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Starting at $17,795.00 $16,015.50 |
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Allows measurement of both air temperature and non-contact surface temperature in one instrument
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$135.00 $120.15 |
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versatile dataloggers with high accuracy and metal housing
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Starting at $495.00 $440.55 |
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Precision benchtop measurement of temperature, humidity and pressure
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Starting at $421.00 $374.69 |
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Ideal for monitoring compressed air dryers and preventing system damage from condensing water vapor
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Starting at $1,175.00 $1,045.75 |
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Log up to 3,000 readings and calculate the mean value with the touch of a button
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$740.00 $658.60 |
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19,200 pixels (160 x 120), up to 536°F temp range, sensitivity 80mk
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$2,195.00 $1,975.50 |
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Humidity monitoring in compressed air down to -30°C
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$485.00 $431.65 |
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Digital, folding, waterproof thermometer
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$99.00 $88.11 |
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19,200 pixels (160 x 120), up to 662°F temp range, sensitivity 50mk
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$3,995.00 $3,595.50 |
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Easily shift between close focus and long distance temperature measurement
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$999.00 $889.11 |
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76,800 pixels (320 x 240), up to 662°F, sensitivity 30 mk
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$10,495.00 $9,445.50 |
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Differential pressure transmitter with full functionality for automated air conditioning and ventilation applications
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Starting at $340.00 $302.60 |
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Testo 6351 Differential Pressure Transmitter - Measures differential pressure, flow velocity and flow volume
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Starting at $660.00 $587.40 |
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76,800 pixels (320 x 240), up to 662°F, sensitivity 30 mk
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$8,695.00 $7,825.50 |
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50:1 long distance optic, high temperature range up to 2700 °F
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$599.00 $533.11 |