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Product description

Compact meter is ideal for field applications — it displays relative humidity and temperature simultaneously, and dew point or wet bulb or probe temperature on a large LCD. Features include a choice of readings in degF or degC, Min/Max, data hold, and auto power off. Unique sensor cap closes to protect the sensor during storage. Advanced features include the calculation of T1-T2 temperature differential with external temperature probe 37803-18 (sold separately). Unique sensor cap closes to protect the sensor during storage. Meter can be calibrated in the field using optional RH calibration standard salts. Order meter only or the complete thermohygrometer kit. Model number 37803-11 is a complete digital thermohygrometer kit, which includes 37803-10 meter, 37803-18 temperature probe, 37803-19/37803-20 RH calibration standard salt bottles, carrying case and two AAA batteries and carrying case. Optional thermistor probe lets you calculate T1 - T2

From the Manufacturer

Kit includes RH300 humidity meter, external temperature probe, 33% and 75% humidity calibration standards, and batteries. The meter simultaneously displays relative humidity, air temperature and dew point or wet bulb. Can also measure external temperature measurement using the temperature probe supplied in the kit. Compact meter is ideal for field applications. Unique sensor cap closes to protect to protect meter during storage. Advanced features include data hold, selectable auto power off, and MAX/MIN/Average reading. The meter can be calibrated in the field using the 33% and 75% humidity bottles supplied in the kit. A hard case is included for storing the calibration bottles when not in use.

Extech RH305 Humidity Meter - B000BF39YS