English Datasheet

Big Digit Hygro-Thermometer
Probe Clips onto Meter
Or extends on 18” (457mm) cable
Features:
• Max/Min with reset function
• Rear calibration adjustment pot
• Humidity: 10 to 99% RH
• Temperature: 14 to 140°F (-10 to 60°C)
• Optional RH calibration bottles
• Accuracy: ±4%RH; ±1°C/1.8°F
• Dimensions: 4.3 x 3.9 x 0.78" (109 x 99 x 20mm)
• Weight: 6oz (169g)
• Complete with built-in stand, mounting bracket, sensor,
and 1 AAA battery; optional calibration salt bottles
RH300-CAL Optional calibration salt bottles
Ordering Information:
445715 ........................Big Digit Remote Probe Hygro-Thermometer
445715-NIST................445715 with Calibration Traceable to NIST.
RH300-CAL ..................Optional 33% and 75% RH calibration standards
www.extech.com
Specifications subject to change without notice.
09/19/11 - R1
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