Hygro-Thermometer Psychrometer
Article No. 13987
Hygro-Thermometer Psychrometer Certified
The RH300 Hygro-Thermometer Psychrometer is used for Humidity, Wet bulb, Dew Point, Air Temperature and has an External Probe for Temperature measurements. It is a compact meter that is ideal for field use, and simultaneously displays relative humidity (10% to 90% RH), air temperature and dew point or wet bulb.
Features
- Simultaneous display of %RH, Temperature and Dew point or Wet Bulb or Probe Temperature
- Wet bulb measurements without slinging
- Built-In unique sensor cap design twists to closed position for protection during storage
- Switchable °F/°C temperature units with 0.1° resolution
- The RH300-CAL is a kit which contains 33% and 75% humidity calibration bottles. Used for verifying calibration of the 445815 humidity meter. Bottles have small opening designed to snuggly fit the remote sensor probe.
- Calculates T1-T2 differential (air temperature minus external probe temperature) using optional probe (TP890), and T2 minus dew point
Technical Attributes
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- Data
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Specifications Ranges Max Resolution Basic Accuracy Humidity: 10 to 90%RH 0.1%RH ±3%RH Temperature (internal): -4 to 122°F (-20 to 50°C) 0.1° ±1.8°F or ±1°C Temperature (external): -4 to 158°F (-20 to 70°C) 0.1° ±1.8°F or ±1°C Dew Point: -90.4 to 122°F (-68.0 to 49.9°C) Wet Bulb: -6.9 to 122°F (-21.6 to 49.9°C) Dimensions: 7 x 1.9 x 1" (178.5 x 48.4 x 24.7mm) Weight: 3.3oz (95g)
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