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Extech®
Digital
Psychrometer
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Temperature, external
temp, RH, wet bulb,
dew point in one handy meter
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Features
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Simultaneous display of %RH, Temperature and Dew Point or Wet Bulb or Probe Temperature
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Calculates T1-T2 differential (Air Temperature minus External Probe Temperature) using optional probe
(TP890) and T2-Dew Point
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Data Hold and Auto Power Off
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Max/Min readings
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Optional TP890 probe for differential temperature readings
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2 AAA batteries,
included
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RH305 Kit includes RH300 meter, external temperature probe, 33% and 75% calibration bottles and carrying case
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Optional
Certificate of Calibration traceable to N.I.S.T. with data (allow
7-10 days)
Applications
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Monitor Wet Bulb, Dew Point, Relative Humidity and Temperature in factories, clean rooms, offices, and greenhouses
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Humidity
monitoring in schools, offices and manufacturing or storage areas
Specifications
| Sensor
Type |
Capacitance |
| Dew
Point |
-90.4
to 122 °F (-68.0 to 49.9°C) |
| Wet
Bulb |
-6.9
to 122 ° (-21.6 to 49.9°C) |
| Humidity
(Basic Accuracy) |
0
to 100% RH (± 3% RH) |
| Temperature
(Internal) |
-4
to 122 °F (-20 to 50 °C) |
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Basic Accuracy |
±
1°F or ± 0.6#176C |
| Temperature
(External) |
-4
to 158 °F (-20 to 70 °C) |
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Basic Accuracy |
±
1°F or ± 0.6°C |
Dimensions
Weight |
7
x 1.9 x 1” (178.5 x 48.4 x 24.7 mm)
3.3 oz (95g) |
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