ThermCal Dry Block Temperature Calibrator

Dry Block Temperature Calibrators

Accurate Thermal Systems offers two dry block temperature calibrators used for the calibration of many types of temperature sensors and systems, including liquid-in-glass thermometers, thermocouples, RTDs, PRTs, thermal switches, temperature transmitters, dial thermometers, bi-metal thermometers, temperature controllers, hand-held indicators, infrared (IR) pyrometers, temperature loggers, and thermistors. Our dry block temperature calibrators operate in temperatures ranging from -25 to 455°C and are ideal for portable field use or bench-mounted in the laboratory. All units include NIST traceable calibration certificates that are ISO 17025 compliant. Fully accredited ISO17025 calibrations are available.

ThermCal Series Calibrators

Our ThermCal dry block calibrators are designed and manufactured to be accurate and stable yet lightweight for field or laboratory use at an economical price. The thermoelectric/Peltier-based ThermCal130 offers rapid heat up and cool down, while the ThermCal400 provides a maximum operating temperature of 455C/850F. Our dry block calibrators are 100% manufactured and supported in our Hainesport, New Jersey, USA facility and are CE-marked for safety and usage worldwide.

Features Checklist:

  • Laboratory-grade performance at an economical price
  • Rugged powder coated case
  • Polished stainless steel top and bottom
  • Lightweight: ThermCal400 (11 lbs) with insert, ThermCal130 (15 lbs)
  • ThermCal400 includes a multi-well insert, ThermCal130 includes a single well insert
  • Optional blackbody source insert for checking IR thermometers (ThermCal400)
  • Traceable calibration with data and calibration label
  • Advanced all-digital controller with large, bright display
  • Backed by twenty-five years of calibrator design and manufacturing experience
  • Manufactured in the USA

Product Videos


Product Details


Dry Block Temperature Calibrators

Product Models ThermCal400 ThermCal130
Temperature range ambient +5 to 455ºC (850ºF) -25°C (-13°F) to 130°C (266°F) (20°C ambient)
Accuracy ±0.4°C ±0.4°C
Stability ±0.05°C ±0.03°C
Well to well radial uniformity 0.015 at 100ºC, 0.052 at 300ºC (same size wells) N/A
Heat up time ambient to max 12 minutes 3.5 minutes
Cool down time-max to 100°C 20 minutes N/A
Cool down time 130 to 20°C N/A 2.5 minutes
Cool down time ambient to -20°C N/A 3 minutes
Display resolution 0.1°C or F 0.1°C or F
Overall dimensions L/W/H (in) 8/8/8 8/9/10
Power 900 watts 200 watts
Mains voltage 120 or 240 fixed 100 to 260 VAC, universal
Catalog number ATS3010 120 volt, ATS3020 240 volt ATS3080
Weight with insert lbs 11 15
Warranty 2 years 2 years
ThermCal 400 Optional Accessories
Description Catalog #
Insert 1/8″, 3/16″, 1/4″, 5/16″ & 3/8″ diameter wells ATS3041 (included with the unit)
Insert 5 x 1/4″ diameter wells ATS3043
Insert 2 x 1/4″ & 2 x 3/8″ diameter wells ATS3044
Insert 2 x 1/4″ & 2 x 1/2″ diameter wells ATS3045
Insert 1 x 1/4″ diameter wells ATS3046
Insert blank ATS3047
Insert 1 x 9/16″ & 1 x 1/4″ diameter wells ATS3048
Insert 1 x 5/8″ & 1 x 1/4″ diameter wells ATS3049
Insert 1 x 11/16″ & 1 x 1/4″ diameter wells ATS3050
Insert 1 x 3/4″ & 1 x 1/4″ diameter wells ATS3051
Blackbody source insert for IR pyrometers & indicators ATS3129
Carrying case ATS3052
Metric and custom insert well holes can be provided by request
ThermCal 130 Optional Accessories
Description Catalog #
Insert 1 X 1/8″ diameter well ATS3074
Insert 1 x 3/16″ diameter well ATS3075
Insert 1 x 1/4″ diameter well ATS3076
Insert 1 x 5/16″ diameter well ATS3077
Insert 1 x 3/8″ diameter well ATS3078
Soft sided carrying case ATS3052
Metric and custom insert well holes can be provided by request