Extech Instruments Humidity Calibration Kit
Model # RH300-CAL|Store SKU # 1000846336
The RH300-CAL is a 33% and 75% Humidity Calibration Reference kit. Bottles designed with small opening for snug fit of the sensor. Includes 33%RH and 75%RH calibration bottles. For use with Extech Models 42280, RH300, 445580, 445815 and CO250.
- High (75%) and Low (33%) reference bottles
- Snug fit insures no outside leakage
- For use with Extech Models 42280, RH300, 445580, 445815 and CO250
- Also included in the RH305 Hygr0-Thermometer Psychomotor Kit