Isotech is involved with the research, development, and manufacture of temperature sensors and calibration equipment. Isotech’s products include standard platinum resistance thermometers, fixed point cells, and associated equipment which are used in metrology laboratories. Industrial temperature calibration equipment from Isotech includes portable dry block calibrators, thermocouple referencing, and more. read more

Isotech can provide your thermometry laboratory with everything it needs: sensors, calibration environments, and readout and verification devices. Isotech anticipates and accommodates customer needs in measurement.

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Isotech Venus 4951 Temperature Calibrator
Isocal-6 portable liquid bath and dry block calibrator for temperatures from -35 to 140°C
$7,112.00
Isotech Pegasus 4853 Dry Block Calibrator
150 to 1200°C high-temperature thermocouple calibration furnace
$5,916.00
Isotech Gemini 4857 Dry Block Calibrator
Fixed or removable insert dry block temperature calibrators, range choice of 35 to 550ºC or 50 to 700ºC
$4,808.00
Isotech Hyperion 4936 Temperature Calibrator
Isocal-6 portable stirred liquid bath calibrator for temperatures from -25 to 140°C, Dry-Block conversion capable
$7,532.00
Isotech Jupiter 4852 Dry Block Calibrator
High-temperature, 95 to 1220°F (35 to 660°C), ideal for thermocouple & platinum resistance thermometer calibration
$5,152.00
Isotech Europa 4520 Temperature Calibrator
Isocal-6 portable liquid bath and dry block calibrator for temperatures from -45 to 140°C
$9,265.00
Isotech Calisto 4953 Temperature Calibrator
Isocal-6 portable liquid bath and dry block calibrator for temperatures from 30 to 250°C
$4,808.00
Isotech TTI-10 Handheld Thermometer
High accuracy handheld temperature indicator with two platinum resistance thermometer inputs
$1,977.00
Isotech Fast-Cal Dry Block Calibrator
Calibrate temperatures from -30 to 1200°F in a rugged stainless steel case
$4,511.00
Isotech QuickCal 550
Fast, compact handheld temperature calibrator (30°C to 350°C)
$2,565.00
Isotech 550-02 Quick-Cal R
Economical Blackbody Source Temperature Calibrator for Low-End Thermometers
$2,691.00
Isotech 976 Gemini R
Blackbody Source Infrared Calibrators: 30 to 550°C
$7,921.00
Isotech milliK Precision Thermometer
Range of sensors: SPRTs, PRTs, thermistors, thermocouple and 4-20mA
$5,225.00
Isotech 970 Pegasus R Blackbody Source
High-temperature blackbody source temperature calibrator for 150 to 1200°C (2192°F)
$12,001.00
Isotech Semi-Standard Platinum Resistance Thermometers
PRTs designed for optimum performance
$437.00
Isotech Drago 4934 Temperature Calibrator
Isocal-6 portable liquid bath calibrator for temperatures from 30 to 250°C, Dry-Block conversion capable
$5,793.00
Isotech TTI-22 True Temperature Indicator
Thermometer with 0.001°C accuracy and 0.0001°C resolution
$6,073.00
Isotech Hydra 798 Liquid Bath
Parallel tube action, circular design, temperature up to 572°F (300°C), fast heat up and cool down times
Select options for pricing
Isotech 982 Hyperion Blackbody Source
Low-temperature blackbody source infrared calibrator: -10°C to +80°C
$8,498.00
Isotech 988 Blackbody Source
An internal solid state thermo-electric pump heats or cools a 70mm diameter ridged plate to a user selected temperature from 68 to 113°F
$3,696.00
Isotech Oceanus 6 Temperature Calibrator
Temperature Range of 77 to 282°F (25 to 140°C) optional inserts for black body & liquid bath
$9,498.00
Isotech Greybody 975 Infrared Source
Economical greybody source for low-end thermometers
$3,520.00
Isotech Saturn 877 Thermocouple Calibration Sphere
Spherical Designed Thermocouple Calibrator, temperature range 212 to 2372°F (100 to 1300°C)
$18,721.00
Isotech 999 Medusa R Blackbody Source
Fixed-point primary source infrared calibrator: 30 to 550°C
$9,598.00
Isotech Semi-Standard Thermocouples
Ideal thermocouples for industrial laboratories
$473.00
Isotech MEDUSA POTTS Temperature Calibrator
3-Zone Block Calibrator for automated fixed points temperature range of 86 to 1292°F (30 to 700°C)
$9,187.00
Isotech Model 878 Cyclops Blackbody Source
Temperature range of 150 to 1300°C (2372°F) available with apertures of 17 or 45mm
Select options for pricing
Isotech Orion 796 Liquid Bath
Deep immersion calibration baths available in Three Ranges Covering -80°C to 300 °C
Select options for pricing
Isotech Slim Fixed Point Cells
Quartz and metal clad and water triple point cells with 99.9999% purity and uncertainty to ±0.1mk
$910.00
Isotech Model 1600 Thermocouple
Premium grade wire and gas-tight assembly, temperature range 32 to 2912°F (0 to 1600°C)
$4,183.00
Isotech Gold / Platinum Thermocouple Standard
Calibration standard with quartz and stainless steel reference junction and a temperature range of 0 to 1000°C
Select options for pricing
Isotech Model 836 Miniature Fixed Resistor
Resistances of 10, 25, 100, 1,000 & 10,000Ω with up to < 0.09 ppm uncertainty
$420.00
Isotech Model 915 Liquid Bath
Three models covering -85 to 572°F (-80 to 300°C), parallel tube technology
Select options for pricing
Isotech Oberon 426 High Temperature Furnace
Suits aluminum, silver or copper fixed point cells and heat pipe technology provides nearly gradient free volume
$45,251.00
Isotech Libra 785 Liquid Bath
Three models covering -112 to 572°F (-80 to 300°C), parallel tube technology, physical separation of heating from calibration volume
Select options for pricing
Isotech Model 983 Hot Plate Surface Sensor Calibrator
Portable calibration system designed for surface mounted sensors with a temperature range of 35 to 350°C & 10 minute stabilization time
$3,517.00
Isotech ITS-90 Isothermal Towers
Uniquely integrated device with known immersion characteristics conforming to CCT/2000-13 standards
$20,045.00
Isotech Model 875 Ayres Calibration Bath
Fluidized calibration bath, temp range: 122 to 1292°F (50 to 700°C), volume 67mm diameter, 475mm deep
Call for pricing
Isotech Model 459 Cryostat
Adjustable comparison bath / block, temp range: -112 to -292°F
Call for pricing
Isotech Model 944 Surface Measurement System
Indicates true surface temperature between 30 and 350°C with up to ±2°C accuracy
$3,679.00
Isotech 820 Calibration Bath
Calibrate multiple sensors simultaneously, stainless steel insulated enclosure, volume 185mm long x 140mm wide x 300mm deep
$5,760.00
Isotech Model 525 Dry Block Calibrator
Operates temperature ranges from -148°F to 104°F (-100 to 40°C), calibrate temperature sensors such as PRTs, thermocouples, thermistors
Call for pricing
Isotech TRU Model 938 Ice Point Reference
Maintenance-free, self-contained, solid-state thermocouple reference unit designed for laboratory or high-capacity applications
Call for pricing
Isotech Oberon R Blackbody Source
High-temperature fixed-point calibrator with a temperature range of 450 to 1090°C
Call for pricing
Isotech Isorac Model 844 Thermocouple Reference Unit
Rack mount thermocouple referencing system that can accommodate 50 or 100 thermocouples from -20°C to 70°C
Call for pricing
Isotech Isobox Model 842 Thermocouple Reference Unit
Large capacity thermocouple referencing system designed for systems with wide swings in ambient operating range
Call for pricing
Isotech Model 937 Multi-Channel TRU
Maintenance-free, self-contained, solid-state thermocouple reference unit accommodating between 50 and 100 reference junctions
Call for pricing
Isotech Semi-Standard Platinum Resistance Thermometer
375 mm PRT with termination connector for temperatures from -50°C to 670°C
$1,288.00
Isotech C10 Silicone Oil
1 liter of C10 silicone oil for Isotech Hyperion (-35 to +140°C)
$246.00
Isotech T100 Series PRT Probes
Industrial Platinum Resistance Thermometer Probes for Temperatures Ranging from -100 to 660ºC
$395.00
Isotech Water Triple Point Cell
ITS-90 fixed point, water triple point cell for ISOCAL 6, includes container and three caps
$1,170.00
Isotech 935-14-116/TTI Semi Standard Pt100
Semi standard Pt100, temperature range -148 to 842°F (-100 to 450°C)
$557.00
Isotech 935-14-61/TTI Semi Standard Pt100
Semi Standard Pt100, temperature range: -50°C to 250°C
$498.00
Isotech 935-14-13 Semi Standard PRT
Platinum resistance thermometer, -196 to 250°C temp range
$647.00
Isotech Fast-Cal Inserts
Inserts designed for use with the Isotech Fast-Cal dry block calibrator
$190.00
In Stock
Isotech millisKanner Channel Expander
8-channel unit with isolated universal inputs for flexibility, supports SPRTs, PRTs, thermistors, and thermocouples
$3,226.00
Isotech Gallium Melt Point Cell
ITS-90 Fixed Point, Gallium Melt Point Cell for ISOCAL 6
$3,114.00
Isotech I-Cal Easy Calibration Software
Powerful software automates the calibration process and provides certificates
$4,108.00
Isotech Semi-Standard Type R Thermocouple
Semi-standard Type R thermocouple for Pegasus 1200 (Range: 0 to 1300°C)
$619.00
Isotech PRT Probe
300 mm PRT for temperatures from -50°C to 250°C
$456.00
Isotech Silicone Oil
1 Liter of very high temperature silicone oil (150 to 250°C)
$286.00
Isotech Orifice Plates
Set of 4 Orifice Plates for Hyperion R (restricts cavity aperture diameter to 40, 30, 20 or 10mm)
$591.00
Isotech 951-06-02 Surface Sensor Calibrator Kit
Surface sensor calibration insert and RTD for Calisto, Venus, and Europa
$468.00
Isotech Type N Thermocouple
Type N Thermocouple for Gemini LRI (Range: 0 to 1300°C; use up to 700°C)
$258.00
Isotech Blackbody Target Kit
Blackbody target kit for Jupiter 650
$549.00
Isotech Stirred Liquid Container Kit
Stirred liquid container kit for ISOCAL 6 (Alcohols, Water, or Oils)
$451.00
Isotech Blackbody Target
Blackbody target for ISOCAL 6
$165.00
Isotech Standard Insert
Standard insert with 2 x 4.5mm, 2 x 6.4mm, 1 x 8mm, 1 x 9.5mm pockets
$258.00
Isotech 931-22-111 Carrying Case
Sturdy carrying case for ISOCAL Europa, Venus, Calisto, Jupiter, & Pegasus
$910.00
Isotech Standard Insert
Additional standard removable insert for Gemini 700 LRI
$1,056.00
Isotech Standard Reference Probe
Standard Reference Probe -50 to +250°C (482°F)
$473.00
Isotech Stirred Liquid Container Kit
Kit includes container, magnetic stirrer & thermometer support
$566.00
Isotech Blank Insert
Blank metal insert for Jupiter 650
$580.00
Isotech Standard Insert
Standard insert for Pegasus 1200 includes 4 X 8 mm pockets (grounding, insulator & high-temp metal inserts)
$731.00
Isotech Orifice Plates
Set of 4 orifice plates restricts cavity to 40, 30, 20 and 10mm
$804.00
Isotech Indium Blackbody Cell
Used to correlate radiation thermometers to the ITS-90 Scale and provide the highest accuracy blackbody sources available
$4,119.00
Isotech Tin Large Fixed Point Cell
Used to correlate radiation thermometers to the ITS-90 Scale and provide the highest accuracy blackbody sources available
$8,232.00
Isotech Zinc Hockey Puck Cell
Used to correlate radiation thermometers to the ITS-90 Scale and provide the highest accuracy blackbody sources available
$3,438.00
Isotech Gallium Hockey Puck Cell
Correlates radiation thermometers to the ITS-90 scale providing the highest accuracy blackbody sources available
$3,438.00
Isotech Zinc Large Fixed Point Cell
Used to correlate radiation thermometers to the ITS-90 Scale and provide the highest accuracy blackbody sources available
$6,860.00
Isotech Aluminum Blackbody Cell
Used to correlate radiation thermometers to the ITS-90 Scale and provide the highest accuracy blackbody sources available
$10,284.00
Isotech Replacement Liquid Container Magnetic Followers
Replacement liquid container magnetic followers (Qty. 5)
$87.00
In Stock
Isotech Blank Insert
Blank metal insert for ISOCAL 6
$258.00
Isotech Semi-Standard Platinum Resistance Thermometer
300 mm PRT with termination connector for temperatures from -50°C to 250°C
$473.00
Isotech 935-14-95H/DB Semi Standard PRT
Additional Semi Standard PRT
$1,383.00
Isotech Tin Blackbody Cell
Used to correlate radiation thermometers to the ITS-90 Scale and provide the highest accuracy blackbody sources available
$4,119.00
Isotech Silver Blackbody Cell
Used to correlate radiation thermometers to the ITS-90 Scale and provide the highest accuracy blackbody sources available
$10,284.00
Isotech Indium Large Fixed Point Cell
Used to correlate radiation thermometers to the ITS-90 Scale and provide the highest accuracy blackbody sources available
$10,284.00
Isotech 3 piece Insulation Pack
3 piece Insulation Pack for the Pegasus 1200
$120.00
Isotech 580-06-04 Blank Insert
Blank insert for the Oceanus 6
$316.00
Isotech 956 Terminal adapter
Terminal adapter for the TTI-10
$482.00
Isotech Blank Insert
Blank metal insert for Isotech Isocal-6
$493.00
Isotech Standard Insert
Additional standard removable insert for Gemini 550 LRI
$493.00
Isotech 935-14-21 Control Thermocouple for the Cyclops
Replacement Type R thermocouple for the Isotech Model 878 Cyclops Blackbody Source
$672.00
Isotech 931-22-112 Carrying Case
Sturdy carrying case for Isotech Hyperion and Drago calibrators
$910.00
Isotech Tin Hockey Puck Cell
Used to correlate radiation thermometers to the ITS-90 Scale and provide the highest accuracy blackbody sources available
$3,438.00
Isotech Zinc Blackbody Cell
Used to correlate radiation thermometers to the ITS-90 Scale and provide the highest accuracy blackbody sources available
$4,119.00
Isotech Silicone Oil
Silicone oil for the Orion 796
Select options for pricing
Isotech Surface Sensor Insert
Replacement surface sensor insert for ISOCAL 6
$207.00
Isotech 580-02-12 Blackbody Target
Blackbody Target for use with the Oceanus 6
$258.00
Isotech Blackbody Target
Blackbody target for Isotech ISOCAL-6 series
$358.00
Isotech 915/05 Calibration Tube Cover
Calibration tube cover and equalising block support
$423.00
Isotech 935-14-85/DB Semi Standard PRT
Additional Semi Standard PRT
$493.00
Isotech 798-05-02 Equalising Block
Aluminum or copper equalizing block
Select options for pricing
Isotech Surface Sensor Calibration Kit
Includes an insert and angled thermocouple
$613.00
Isotech 580-06-06 Equalizing Block
Adjustable equalizing block, 6x8mm x 157mm deep, for use with the Oceanus 6
$630.00
Isotech Surface Sensor Calibrator Kit
Includes insert and an angled PRT
$896.00
Isotech 785-02 Thermometer Support Kit
Liquid in Glass Thermometer Support Kit
Call for pricing
Isotech Indium Hockey Puck Cell
Used to correlate radiation thermometers to the ITS-90 Scale and provide the highest accuracy blackbody sources available
$3,438.00
Isotech 459-01 Vacuum Pump
Hand or electric vacuum pump
Select options for pricing
Isotech 877/02 Platinum Foil Temperature Barrier
Platinum Foil Temperature Barrier
Call for pricing
Isotech Fixed Point Cells
Slim metal clad fixed point cell available in indium, tin or zinc
$7,269.00
Isotech Mercury Melt Point Cell and Insulation Assembly
ITS-90 Fixed Point, Mercury Triple Point Cell for ISOCAL 6
$7,820.00
Isotech Insert Extraction Tool
Insert Extraction Tool for ISOCAL 6
$20.00
Isotech 932-19-72 for Standard Resistors
Oil for standard resistor calibration
$34.00
Isotech Blank Insert
Blank insert for high-temp Quick-Cal
$92.00
Isotech Standard Insert
Additional Standard Insert with 1 x 8mm, 2 x 4.5mm and 2 x 6.5mm holes
$92.00
Isotech 459-02-13 Fill Tube Assembly
Call for pricing
Isotech 798-05-01 Volume Lid
Spare Liquid Volume Lid
Call for pricing
Isotech 796-05-02 Spare Liquid Volume Lid
Spare Liquid Volume Lid for the Orion 796 Liquid Bath
Call for pricing
Isotech 580-06-02 Gallium Cell Support
$123.00
Isotech 931-22-101 Carrying Case
Carrying case for the TTI-10
$146.00
Isotech 931-22-102 Carrying Case
Carrying case for the milliK Precision Thermometer
$146.00
Isotech 932-12-74 Replacement Liquid Container
Replacement Liquid Container Magnetic Follower (Qty 5)
$154.00
Isotech 580-06-01 WTP Cell Support
$165.00
Isotech 580-02-11 Replacement Surface Sensor Insert
Replacement Surface Sensor Insert
$244.00
Isotech 935-14-118 Surface Sensor Probe
Replacement Surface Sensor Probe
$260.00
Isotech 798-05-04 Thermometer Support Kit
Call for pricing
Isotech 935-14-66 Thermocouple
Replacement Standard Thermocouple for BB Target
$288.00
Isotech 580-06-03 Standard Insert
Standard Insert - 6x8mm x 250mm deep for the oceanus 6
$316.00
Isotech 510-06-01 / 510-06-02 Inserts
Standard Insert 6x8mm x 250mm deep or blank inserts available
$316.00
Isotech Model 525 Inserts
Additional inserts for the 525 Dry Block Calibrators
$361.00
Isotech 796-05-03 Thermometer Stand Kit
Call for pricing
Isotech 935-14-114 Replacement Surface Sensor Probe
Replacement Surface Sensor Probe
$403.00
Isotech Standard Insert
Metal insert for use with Hyperion and Drago calibrators
$440.00
Isotech 580-06-07 Container
Stirred Liquid Container for alcohol’s, water and oils
$484.00
Isotech 510-06-06 Surface Sensor Calibrator Kit
Surface Sensor Calibrator Kit (consists of probe and insert)
$487.00
Isotech Support Assembly
Slim WTP cell & Gallium cell holder assembly
$493.00
Isotech 510-06-05 Blackbody Target
$549.00
Isotech 820/03 Glass Support Kit
Liquid in Glass Support Kit
$563.00
Isotech 798-05-03 Twin Cell Holder
Call for pricing
Isotech 796-05-01 Triple Point Cell Holder
Dual Large Water Triple Point Cell Holder
Call for pricing
Isotech 915/01 Equalising Block
Aluminium or copper Equalizing Block for the Libra 785
Select options for pricing
Isotech 510-06-04 Adjustable Equalizing Block
Adjustable Equalizing Block 6x8mm x 157mm deep
$630.00
Isotech 580-06-08 Surface Sensor Calibrator Kit
Surface Sensor Calibrator Kit (consists of probe and insert)
$647.00
Isotech 820/02 Aluminium Equalising Block
Aluminium Equalizing Block
$661.00
Isotech 820/01 Standard Resistor Holder
Standard Resistor Holder
$669.00
Isotech 580-06-00 Thermometer Support Kit
Liquid in Glass Thermometer Support Kit
$683.00
Isotech 875/07 Multi-Tube Probe Holder
Multi-Tube Probe Holder
Call for pricing
Isotech UKAS 5 Point Comparison Calibration
5 Point Comparison Calibration
$874.00
Isotech 935-14-21 Control Thermocouple for the Saturn
Replacement Type R thermocouple for the Isotech Saturn 877 Thermocouple Calibration Sphere
$960.00
Isotech 875/09a Equalising Block
Adjustable Height Equalising Block
Call for pricing
Isotech 931-22-58 Storage Case
Storage case for use with the Oceanus 6
$997.00
Isotech 915/02 Thermometer Support Kit
Liquid in Glass Thermometer Support Kit
Call for pricing
Isotech 875/06 Thermometer Support Gantry
Liquid in Glass Thermometer Support Gantry
Call for pricing
Isotech 875/01 Equalising Block and Tubes
Equalising Block and Tubes
Call for pricing
Isotech 875/08 Monocular and Support
Monocular and Support
Call for pricing
Isotech 875/04 25kg Container Alumina Powder
25kg Container Alumina Powder
Call for pricing
Isotech 915/03 Monocular and Support
Monocular and Support
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Isotech 796-03 Monocular and Support
Monocular and Support
Call for pricing
Isotech 796-02-10 Overflow Adaptor
Overflow Adaptor for the Orion 796
Call for pricing
Isotech 915/D Depth Calibration Tube Assembly
Increased depth calibration tube assembly
$2,668.00
Isotech 875/03 Compressor and Connecting Tube
Compressor and Connecting Tube
Call for pricing
Isotech 915/E High Stability Controller
High Stability Controller
$4,169.00
Isotech NPL Calibration
NPL calibrations for the Model 1600 thermocouple
$4,774.00
Isotech 877/01 Equalizing Block
Replacement Standard Equalizing Block, 4 x 8mm x 4 x 6mm, 180mm leg length
Call for pricing
Isotech 459-01-03 Cryostat Container
25 or 35 Liter Cryostat container
Select options for pricing
Isotech 877/01S Equalizing Block
Special equalizing block, 16 x 6mm, 180mm leg length
Call for pricing