View our Frequently Asked Questions.
Digital Thermometers
Tel-Tru’s Digital Thermometers are designed to deliver reliable accurate readings in the toughest industrial environments. All models are built to order using our wide range of configurations, delivering customers exactly what they need.
Dial Thermometers
Tel-Tru designs and manufactures industrial thermometers and other quality industrial temperature instruments to improve quality and operational performance.
RTD Sensors
Check-Set® Thermometer Calibrators
Check-Set Calibrator Data Logger for traceable digital record keeping.
Check-Set Calibrator for fast, easy, and accurate verification.
Remo-Tel®
The Remo-Tel Industrial Temperature Monitoring System automates temperature data logging and provides a 24/7 online monitoring dashboard for industrial and commercial operations to help mitigate risk for product loss and system failure and improve productivity. The Remo-Tel System is ideal for a wide variety of processes including Refrigeration, Molding, Brewing and other extremely time sensitive temperature monitoring applications.
Thermowells
Thermowells for sanitary applications as well as thermowells that can be treated and documented to NACE standards. Thermowells are recommended for pressure, corrosive fluid, or high velocity applications. Produced using highest quality material and machined from solid bar stock for standard or high velocity requirements in a large selection of materials and coatings. Designed and manufactured to assure perfect alignment with the thermometer stem.
Glass Industrial
Our glass industrial thermometers are versatile and adjust-angle, with a lens front and red liquid fill. They are NIST calibrated and guaranteed accurate to ± one scale division.
Pressure Instruments

Digital Thermometers
Tel-Tru’s Digital Thermometers are designed to deliver reliable accurate readings in the toughest industrial environments. All models are built to order using our wide range of configurations, delivering customers exactly what they need.
Dial Thermometers
Tel-Tru designs and manufactures industrial thermometers and other quality industrial temperature instruments to improve quality and operational performance.
RTD Sensors
Check-Set® Thermometer Calibrators
Check-Set Calibrator Data Logger for traceable digital record keeping.
Check-Set Calibrator for fast, easy, and accurate verification.
Remo-Tel®
The Remo-Tel Industrial Temperature Monitoring System automates temperature data logging and provides a 24/7 online monitoring dashboard for industrial and commercial operations to help mitigate risk for product loss and system failure and improve productivity. The Remo-Tel System is ideal for a wide variety of processes including Refrigeration, Molding, Brewing and other extremely time sensitive temperature monitoring applications.
Thermowells
Thermowells for sanitary applications as well as thermowells that can be treated and documented to NACE standards. Thermowells are recommended for pressure, corrosive fluid, or high velocity applications. Produced using highest quality material and machined from solid bar stock for standard or high velocity requirements in a large selection of materials and coatings. Designed and manufactured to assure perfect alignment with the thermometer stem.
Glass Industrial
Our glass industrial thermometers are versatile and adjust-angle, with a lens front and red liquid fill. They are NIST calibrated and guaranteed accurate to ± one scale division.
Pressure Instruments

*Photo for reference purposes only. Consult product description or call customer service for questions.
$2,150.00

The Tel-Tru Check-Set Series of dry block calibrators provides accurate, unambiguous, and cost-effective calibration and accuracy verification for a wide range of thermometers and temperature measurement instruments.
Out with the old, in with the savings! Get 10% off when you use PROMO CODE TRADEIN and ship us your old Check-Set unit.
Must enter a valid Check-Set Serial Number below.
| Quantity | Price Per Item |
|---|---|
| 1-4 | $2,150.00 |
| 5-9 | $2,042.50 |
| 10-19 | $1,935.00 |
| 20-49 | $1,827.50 |
| 50+ | Get A Quote |
Check-Set Data Logger with Accessory Bundle: Check-Set Data Logger is the ultimate tool for food safety managers who need fast, accurate, and compliant thermometer calibrations. With audit-ready documentation, NIST-tracable certificate, and user-friendly operation, it takes the hassle out of meeting regulatory requirements. Features include 4 preset calibration points 32/40/160/212F, and accuracy of +/- 0.2F (0.1C), time stamped records, operator profiles & audit trail, automatic recertification reminders, and 2.8″ touch screen, USB compatible, CSV export, unique operator profiles, ability to record notes, manager lockout function, compatable with keyboard, mouse, and bar code reader. Varifies most brands of thermometers with standard 3 hole well insert (0.125″, 0.150″, and 0.187″ diameter) additional wells avalible for purchase. Unique serial number, protable, durable and made in the USA. Notches on well can be used to reclibrate dial thermometers with a reste nut quickly and easily. Save time, simplify audits, and ensure food safety compliance. Bundle includes Check-Set Data Logger, Keyboard & Mouse, Bar Code Reader, Brush Kit, Heat Sink compound, Thermometer Calibration Wrench, USB drive, Shoulder Strap.
| Max Temp | 212 |
|---|---|
| Min Temp | 32 |
| Model | CS |
| Style | CSD |
| Tolerance % (+/-) | 0.2% |
| Units | F° |
| Temperature Range | 32/212F |
| Lead Time (business days) | 10 |
View our Frequently Asked Questions.
Our goal is 100% customer satisfaction. For warranty returns, a return authorization (RA) number is required.
For warranty information concerning a product purchased from Tel-Tru, please refer to Section 12, Warranty, of our Terms and Conditions policy.
If the product was purchased from a reseller, please contact them for the return authorization number.
If the product was purchased directly from Tel-Tru, please contact our customer service at 585.308.9904 / 800.232.3857 or info@teltru.com.