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Physitemp BAT-12 Microprobe Thermometer

BAT-12 is the ideal instrument for use with microprobes.

Physitemp BAT-12 Microprobe Thermometer

Physitemp designed the world's first thermocouple thermometer, Model BAT-4, in 1969. It soon found uses in the lab, factory, hospital O.R. and in the field. The new BAT-12 has improvements for all these applications:

In the lab: Readings to 0.1° C; near perfect stability.

In the field: A superior'cold junction reference'which maintains accuracy with ambient temperature changes from O°C to 50°C; sealed construction, carrying case.

For recording: Analog output for strip chart recording is a standard feature.

BAT-12 is the ideal instrument for use with microprobes. These sensors are among our most popular and there are many more to choose from:

  • Flexible Implantable Microprobe, IT-18
  • Needle Microbrobe, MT-26/2
  • Surface Probe, BT-1
  • General Purpose Probe, HT-1
  • Sensor Six Pack, PT-6


  • BAT-12 reads to 1/10°C
  • Super Accuracy and Fast Readings
  • Auto Corrected for Ambient Temperature
  • Heavy duty carrying case
  • Analog output
Temperature Range -100°C to +200°C
Resolution 0.1°
Accuracy 0.1°C ± 1 digit between 0-50°C

0.1% ± 1 digit over full range
Calibration Conformity Follows NIST thermocouple tables within 1 digit
Ambient Temperature Compensation Auto-compensated to 0.1°C from 0°C to 50°C
Readout 3 1/2 digits, 1/2" liquid crystal numerals
Input Socket Miniature, quick disconnect, copper-constantan
Analog Output lOmV per degree C, approx.
Power Supply Model BAT-12 9V transistor battery, available everywhere
Size, Weight 5" x 2 1/2" x 6" - 2 lbs., including carrying case