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Extech RH305 Hygro-Thermometer Psychrometer Kit with NIST

Item #:
EXT-RH305-NIST
Brand:
Extech
Extech RH305 Hygro-Thermometer Psychrometer Kit with NIST
$274.99
Qty

Discontinued

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Extech RH305 Hygro-Thermometer Psychrometer Kit with NIST

Extech RH305 Hygro-Thermometer Psychrometer Kit with NIST

$274.99

Discontinued


RH305 Hygro-Thermometer Psychrometer Kit with NIST by Extech

Features

  • Simultaneous display of %RH, Temperature and Dew point or Wet Bulb or Probe Temperature
  • Wet bulb measurements without slinging
  • Calculates T1-T2 differential (Air Temperature minus External Probe Temperature) using optional probe (TP890) and T2-Dew Point
  • Unique sensor cap design twists to closed position for protection during storage
  • Switchable °F/°C temperature units with 0.1° resolution
  • Data Hold freezes current reading on display
  • Max/Min readings
  • Auto power off to save battery life
  • RH300 complete with 2 AAA batteries
  • Optional external temperature probe (TP890)
  • Optional kit RH305 includes RH300, temperature probe, 33% and 75% calibration bottles, and carrying case
General Specifications
Display Triple LCD
Sensor Type Humidity: Precision capacitance sensor; Temperature: Thermistor
Response Time 60 seconds typical
Dew Point -90.4 to 122.0°F (-68 to 50°C) (calculated from RH and Air temperature measurements)
Wet Bulb -6.88 to 122.0°F (-21.6 to 50°C) (calculated from RH and Air temperature measurements)
Operating Conditions -20 to 50°C (-4 to 122°F); < 99% RH non-condensing
Storage Conditions -40 to 85°C (-40 to 185°F); <99% RH non-condensing
Power Supply 2 x 1.5V 'AAA' batteries
Battery Life Approx. 80 hours
Dimensions / Weight 178.5 x 48.8 x 25.2mm (7 x 1.9 x 1"); 140g (4.9 oz.)

Range Specifications
Range and Resolution
Accuracy
Humidity
0.0 to 100.0% RH
±3% RH (10 to 90%) @ 23°C
Temperature (internal)
-20 to 50°C (-4.0 to 122.0°F)
±1°C (±1.8°F)
Temperature (external)
-20 to 70°C (-4.0 to 158.0°F)
±1°C (±1.8°F)

Datasheets & User Manuals

Questions & Answers