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Extech RH401 Digital Psychrometer + InfraRed Thermometer
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Extech RH401
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Features:
- Triple display with backlighting: View Air temp+RH+surface temp, View Dew Point+RH+surface temp, View Wet Bulb+RH+surface temp
- InfraRed Thermometer with Built-in laser pointer, 8:1 distance to target ratio, Adjustable Emissivity from 0.3 to 1.0
- Precision humidity capacitance sensor is retractable for protection during transportation and storage
- Calculates T1 (IR Surface Temperature) - DP (Dew Point) differential
- Programmable Auto power off and Low battery indication
- Over-range/under-range alert indicator
- Built-in RS-232 interface for capturing readings on a PC
- RH401 complete with 4 AAA batteries and carrying case
- Optional RH405 kit includes meter, 33% and 75% calibration bottles, RS-232 cable, 4 AAA batteries and carrying case
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Description
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Humidity, Wet bulb, Dew Point, Air Temperature plus IR for Non-contact Temperature measurements.
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| RH401 |
PSYCHROMETER + IR THERM DIGITAL |
| $169.99 |  |
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| RH405 |
PSYCHROMETER + IR THERM KIT |
| $199.99 | |
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| Model |
Accessories |
List Price |
Sale Price |
| 444733 |
33% HUMIDITY SOLUTION - Discontinued - no replacement |
| 444755 |
75% HUMIDITY SOLUTION - Discontinued - replaced by Extech RH401-CAL |
| 589260 |
RS232 PC CABLE FOR RH401 & RH405 |
| $24.99 | |
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Specifications
| General |
| Humidity |
10 to 90%RH |
| InfraRed Temperature |
-40 to 932°F (-40 to 500°C) |
| Air Temperature |
-4 to 122°F (-20 to 50°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) |
| Emissivity Adjustable |
0.3 to 0.99 |
| Field of View |
8:1 |
| Dimensions/Weight |
6.8x2.7x1.9î (175x70x50mm)/4.9oz |
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