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Extech RH390 Precision Psychrometer with NIST

Item #:
EXT-RH390-NIST
Brand:
Extech
Extech RH390 Precision Psychrometer with NIST
$362.99
Qty

Discontinued

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Extech RH390 Precision Psychrometer with NIST

Extech RH390 Precision Psychrometer with NIST

$362.99

Discontinued


RH390 Precision Psychrometer with NIST by Extech

Features

  • Dual backlit display
  • Simultaneous display of: Humidity/Temperature; Humidity/Dew Point; Humidity/Wet Bulb
  • Slim design with rubberized sides for better grip and for one hand operation
  • Data Hold and Min/Max functions
  • Auto power off with disable and low battery indicator
  • Complete with carrying case and 9V battery
General Specifications
Display Dual LCD
Response Time <30 seconds (90% of final value in moving air)
Operating Conditions 32 to 122°F (0 to 50°C); < 80% RH non-condensing
Storage Conditions -40 to 185°F (-40 to 85°C); <99% RH non-condensing
Power Supply 9 Volt battery
Battery Life Approx. 24 hours
Dimensions / Weight 7.8 x 1.7 x 1.3" (200 x 45 x 33mm); 7 oz. (200g)

Range Specifications
Function
Range and Resolution
Accuracy
Humidity
0.0 to 10.0%RH
±3%RH
10.0 to 90.0%RH
±2%RH
90.0 to 100.0%RH
±3%RH
Temperature
-30.0 to -20.0°C
-22.0 to – 4.0°F
±1.5°C
±2.7°F
-19.9 to 70.0°C
-3.9 to 158.0°F
±1°C
±1.8°F
70.1 to 100.0°C
158.1 to 199.0°F
±1.5°C
±2.7°F
Wet Bulb
0 to 80°C (32 to 176°F)
Calculated from RH and air temperature measurements
Dew Point
-30 to 100°C (-22 to 199°F)

Datasheets & User Manuals

Questions & Answers