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).

Model: LT225R SKU: 23100864AFEADAA 2″ Dial 8″ Stem x .150″ Diam. 50/500 Degrees F Temp. Range Back Connected 304SS External Parts Friction Nut for Calibration NSF Certified Adj. Pan Clip Glass Lens Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
Model: LT225R SKU: 23100856AFEADAA 2″ Dial 8″ Stem x .150″ Diam. 0/220 Degrees F Temp. Range Back Connected 304SS External Parts Friction Nut for Calibration NSF Certified Adj. Pan Clip Glass Lens Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
Model: LT225R SKU: 23100853AFEADAA 2″ Dial 8″ Stem x .150″ Diam. -40/160 Degrees F Temp. Range Back Connected 304SS External Parts Friction Nut for Calibration NSF Certified Adj. Pan Clip Glass Lens Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
Model: GT200 SKU: 21100259AIEAAAA 1-3/4″ Dial 2-1/2″ Stem x .150″ Diam. 20/240 Degrees F Temp. Range 304SS External Parts Glass Lens 1/4″ NPT Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
Model: 2110 1-3/4″ Dial .150″ Diameter stem 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.
Model: GT200 SKU: 21100259AHEAAAA 1-3/4″ Dial 2-1/2″ Stem x .150″ Diam. 20/240 Degrees F Temp. Range 304SS External Parts Glass Lens 1/8″ NPT Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
Model: GT100R SKU: 16100864AFEADAA 1-3/4″ Dial 8″ Stem x .150″ Diam. 50/500 Degrees F Temp. Range Back Connected 304SS External Parts NSF Certified Adj. Pan Clip Glass Lens Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
Model: GT100R SKU: 16100856AFEADAA 1-3/4″ Dial 8″ Stem x .150″ Diam. 0/220 Degrees F Temp. Range Back Connected 304SS External Parts NSF Certified Adj. Pan Clip Glass Lens Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
Model: GT100R SKU: 16100853AFEADAA 1-3/4″ Dial 8″ Stem x .150″ Diam. -40/160 Degrees F Temp. Range Back Connected 304SS External Parts NSF Certified Adj. Pan Clip Glass Lens Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
Model: PT50R SKU: 12100564AFEAFAA 1″ Dial 5″ Stem x .150″ Diam. 50/500 Degrees F Temp. Range 304SS External Parts NSF Certified Glass Lens Includes blue Pocket Sheath Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
Model: PT50R SKU: 12100553AFEEFAA 1″ Dial 5″ Stem x .150″ Diam. -40/160 Degrees F Temp. Range 304SS External Parts NSF Certified Polycarbonate Lens Includes blue Pocket Sheath Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    

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