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: CM Clip-On Pipe Thermometer, Medium clip (7/8 to 1-5/8″, 22.2 to 41.3mm) surface thermometer
Model: CL Clip-On Pipe Thermometer, Large clip (1-5/8 to 2-3/8″, 41.3 to 60.3mm) surface thermometer
Model: 641T 5” Adjustable Angle Glow Dial 304SS External Parts Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
Model: 621T 5″ Back Connect Glow Dial 304SS External Parts Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
Model: 5410 5″ Dial .250″ Diameter stem standard 304SS External Parts Calibration Feature Min. and Max. temperature 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.
Model: 5310 5″ 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.
Model: 5010 3″ Dial .250″ Diameter stem standard 304SS External Parts Calibration Feature Min. and Max. temperature 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.
Model: GT225 SKU: 49100259AHEAAAA 2″ Dial 2-1/2″ Stem x .150″ Diam. 20/240 Degrees F Temp. Range NSF certified 304SS External Parts Glass Lens 1/8″ NPT Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.    
Model: 4910 2″ 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: 4810 4″ 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.
Model: 4710 4″ 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.
Model: 4610 4″ 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.

ICTC ICTC