Humidity Calibration Kit for Extech Digital Hygro-Thermometer

Description

The RH300-CAL is a Humidity Calibration Kit with 33% and 75% humidity calibration bottles. Two bottles are included, one for the 75% relative humidity reference and one for the 33% relative humidity reference.

The 75% relative humidity reference uses Sodium Chloride (NaCl) to produce the standard. The 33% relative humidity reference uses Magnesium Chloride (MgCl). The bottles are designed with small opening for snug fit of the sensor probe.

Product Details:

• 33% RH Calibration Bottles; 75% RH Calibration Bottles
• Relative Humidity Accuracy: ±3%
• Sample Humidity: 33%; 75%
• It is ideal for use with Extech Big Digit Hygro-Thermometer