907 Portable Low Temperature Dry Block Calibrator. Temperature range 55°C below the
ambient to + 140°C
The Model 907 Portable Temperature Calibrator Dry Block Test Unit is a model designed specifically for ease of use and for on site application where a small, light, portable unit is required. 
The 907 Dry Block Calibrator reaches its maximum temperature of 140°C in 18 minutes and features a best accuracy of 0.2°C. 

• Wide temperature range
  55°C below ambient to 140°C

• Fast response time
  minutes to temperature

• Portable

• The unit is economically priced yet
  sturdy and rugged, eliminating the
  need for a separate carrying case.

• Two models are available, the Site model,
  which has both a controller and a built in
  indicator for PRT and Thermocouple inputs,
  and the Basic model, which has only the
  controller.

Calibration volume is 25mm diameter by 148mm deep and the 907 is provided with a removable insert drilled with 4 holes, 2 x 4.5mm diameter, 1 x 6.5mm diameter and 1 x 9.5mm diameter. 
Other inserts can be provided with specially drilled calibration pockets to suit your special requirements.

A certificate of test traceable to NIST is provided with each purchase.