RF40 / Extech Portable Battery Coolant/Glycol Refractometer with ATC (°F) Measures the freezing point of coolants and concentration of Ethylene/Propylene Glycol.
RF41 / Extech Portable Battery Coolant/Glycol Refractometer with ATC (°C) Refractometer measures the Propylene/Ethylene Glycol freezing point from -50 to 0°C and the Specific Gravity of battery acid from 1.11 to 1.30 ...
RH200W-T / Extech Wireless Hygro-Thermometer Transmitter Extech's RH200W-T is a wireless temperature/humidity transmitter for RH200W. You can connect up to 8 wireless transmitters to remotely measure ...
The Extech RH300-CAL is a calibration kit for Extech humidity indicators. The RH300-CAL includes two bottles-- one at 33% RH and the other at 75%. These bottles are designed to fit snugly around the sensor for accurate ...
RH300-NIST / Extech Digital Hygro-Thermometer Psychrometer with NIST Simultaneous display of %RH, Temperature and Dew point or Wet Bulb or Probe Temperature.Wet bulb measurements without slinging.