ICTC

Industrial Thermometers and Temperature Instruments

Here at Tel-Tru, we design and manufacture industrial thermometers and other quality industrial temperature instruments for customers like you to improve your product quality and operational performance. Our products offer the accuracy and durability you’re looking for, whatever your industrial process may be.

We manufacture dial type bimetal thermometers, digital thermometers, RTD assemblies, and other instruments that measure, indicate, and transmit temperature for industrial process, sanitary process, commercial, and HVAC applications and related Original Equipment Manufacturers (OEMs).

Bimetal

Sanitary Bimetal

Remote Monitoring

Digital

RTDs

RTD Transmitters

Calibrator

Thermowells

Gas Actuated

Surface

Non-Contact Infrared

Non-Contact Infrared

Inner Categories

GT400 Back Connect Thermometer, 4 inch dial, 304SS wetted parts
GT400 Back Connect Thermometer, 4 inch dial, 304SS wetted parts
GT400 Back Connect Thermometer, 4 inch dial, 304SS wetted parts
Model: 4510 4″ Dial .250″ Diameter stem standard 304SS External Parts Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.      If you require custom configurations that are not available on this page, please contact us.
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Pocket Test Thermometer AD44R, 1-3/8 inch dial and 5 inch stem
Pocket Test Thermometer AD44R, 1-3/8 inch dial and 5 inch stem
Pocket Test Thermometer AD44R, 1-3/8 inch dial and 5 inch stem
Model: AD44R SKU: 44100556EFEGFAA 1-3/8″ Dial 5″ Stem x .150″ Diam. 0/220 Degrees F Temp. Range 304SS External Parts Friction Nut for Calibration NSF Certified Polycarbonate Lens Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
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Refrigerator/Freezer Thermometer AD44R, 1-3/8 inch dial, 5 inch stem, -40/160 degrees F
Refrigerator/Freezer Thermometer AD44R, 1-3/8 inch dial, 5 inch stem, -40/160 degrees F
Refrigerator/Freezer Thermometer AD44R, 1-3/8 inch dial, 5 inch stem, -40/160 degrees F
Model: AD44R SKU: 44100553EFEGFAA 1-3/8″ Dial 5″ Stem x .150″ Diam. -40/160 Degrees F Temp. Range 304SS External Parts Friction Nut for Calibration Polycarbonate Lens Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
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Ware Washing Thermometer BC550R, 5 inch dial, 1/2 inch NPT, 6 inch stem
Ware Washing Thermometer BC550R, 5 inch dial, 1/2 inch NPT, 6 inch stem
Ware Washing Thermometer BC550R, 5 inch dial, 1/2 inch NPT, 6 inch stem
Model: BC550R SKU: 401B0605AKKAAAA 5″ Dial 6″ Stem x .250″ Diam. Dual scale 20/240 Degrees F and -10/110 Degrees C NSF certified 304SS External Parts Calibration Feature Glass Lens 1/2″ NPT Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
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BC550R Bottom Connect Thermometer, 5 inch dial, 304SS wetted parts
BC550R Bottom Connect Thermometer, 5 inch dial, 304SS wetted parts
BC550R Bottom Connect Thermometer, 5 inch dial, 304SS wetted parts
Model: 4010 5″ Dial .250″ Diameter stem standard 304SS External Parts Calibration Feature Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.      If you require custom configurations that are not available on this page, please contact us.
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Ware Washing Thermometer BC350R, 3 inch dial, 1/2 inch NPT, 6 inch stem
Ware Washing Thermometer BC350R, 3 inch dial, 1/2 inch NPT, 6 inch stem
Ware Washing Thermometer BC350R, 3 inch dial, 1/2 inch NPT, 6 inch stem
Model: BC350R SKU: 391B0605AKKAAAA 3″ Dial 6″ Stem x .250″ Diam. Dual scale 20/240 Degrees F and -10/110 Degrees C NSF certified 304SS External Parts Calibration Feature Glass Lens 1/2″ NPT Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
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GT500 Back Connect Thermometer, 5 inch dial, 304SS wetted parts
GT500 Back Connect Thermometer, 5 inch dial, 304SS wetted parts
GT500 Back Connect Thermometer, 5 inch dial, 304SS wetted parts
Model: 3710 5″ Dial .250″ Diameter stem standard 304SS External Parts Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.      If you require custom configurations that are not available on this page, please contact us.
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MX325R Back Connect Thermometer, 3 inch dial, Min OR Max Indicator
MX325R Back Connect Thermometer, 3 inch dial, Min OR Max Indicator
MX325R Back Connect Thermometer, 3 inch dial, Min OR Max Indicator
Model: 3610 3″ Dial .250″ Diameter stem standard 304SS External Parts Calibration Feature Min. OR Max. Temp. Indicator Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.      If you require custom configurations that are not available on this page, please contact us.
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LN250R Back Connect Thermometer, 2 inch dial with calibration feature
LN250R Back Connect Thermometer, 2 inch dial with calibration feature
LN250R Back Connect Thermometer, 2 inch dial with calibration feature
Model: 3210 2″ Dial 304SS External Parts Calibration Feature Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.      If you require custom configurations that are not available on this page, please contact us.
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Limited Space Thermowell, 2-1/2″ stem, 260TWA02
Limited Space Thermowell, 2-1/2″ stem, 260TWA02
Limited Space Thermowell, 2-1/2″ stem, 260TWA02
Model: 260TWA02 Limited Space Thermowell, .260″ bore, no lag, 2-1/2″ stem, 1-5/8″ insertion “U”   Brass material available upon request.  Please contact us for pricing.
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Standard Threaded Thermowell, 4″ stem, 260TW004
Standard Threaded Thermowell, 4″ stem, 260TW004
Standard Threaded Thermowell, 4″ stem, 260TW004
Model: 260TW004 Standard Threaded Thermowell, .260″ bore, no lag, straight shank, 4″ stem, 2-1/2″ insertion “U”   Brass material available upon request.  Please contact us for pricing.
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High Temp/Spot Checking Thermometer LT225R, 2 inch dial, 12 inch stem, glass
High Temp/Spot Checking Thermometer LT225R, 2 inch dial, 12 inch stem, glass
High Temp/Spot Checking Thermometer LT225R, 2 inch dial, 12 inch stem, glass
Model: LT225R SKU: 23101264AFFADAA 2″ Dial 12″ Stem 50/500F Glass NSF Certified Recal Nut Pan Clip Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
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