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Product Specifications:
| Item | Temperature Humidity Meter |
| Ambient Temperature Accuracy | -1.8°F to +1.8°F |
| Ambient Temperature Range | -22°F to +199°F |
| Application | HVAC/R |
| Auto Shutoff | Yes |
| Backlit Screen | Yes |
| Battery | 9V |
| Battery Run Time | 24 hrs. |
| Battery Type | 9V |
| Data Hold | Yes |
| Data Logging | No , Without Data Logging |
| Data Storage | Yes |
| Depth | 1.3" |
| Dew Point Range | -22°F to +199°F |
| Dew Point Range | -22 Degrees to 199 Degrees F |
| Display Screen Type | Backlit LCD |
| Display Type | Dual LCD |
| Height | 7.8" |
| Humidity Accuracy | +/-2% |
| Humidity Accuracy | -2% to +2% |
| Humidity Range | 0% to 100% |
| Humidity Resolution | 0.1% |
| Includes Batteries | Yes |
| Includes Case | Yes |
| Ip/nema Rating | Not Rated |
| Manufacturer Warranty Length | 2 yrs. |
| Max. Wbgt | 176°F |
| Maximum Dew Point | Max Of 199°F |
| Memory | Maximum/Minimum |
| Meter Type | Dew Point And Wet Bulb Humidity Meters With Onboard Main Probe |
| Operating Temperature Range | 32°F to 122°F |
| Overall Depth | 1.3" |
| Overall Height | 7 4/5" |
| Overall Width | 1.7" |
| Probe Design | Onboard |
| Properties Measured | Ambient Temperature, Dew Point, Relative Humidity, Wet Bulb Temperature |
| Relative Humidity Range | 0% to 100% |
| Response Time | 30 sec. |
| Sensor Type | Relative Humidity Sensor, Temperature |
| Standards | Ce Certified |
| Temp. Accuracy | -1.8°F to +1.8°F |
| Temp. Range | -22°F to +199°F |
| Temp. Resolution | 0.1°F |
| Temp. Resolution | 0.1 Degrees F |
| Temperature Resolution | 0.1° |
| Weight | 7 oz. |
| Wet Bulb Globe Temperature Range | 32°F to 176°F |
| Wet Bulb Temperature Range | 32 Degrees to 176 Degrees F |
| Width | 1.7" |
| With Calibration Cert. | No |
Shipping Info:
| Ship weight (kg) | 0.72 |
| Ship height (cm) | 6.86 |
| Ship length (cm) | 30.23 |
| Ship width (cm) | 18.29 |
| HS code | 9025803500 |
| Country of Origin | CN |
Product Details:
- Humidity Probe Range (32 Degrees to 122 Degrees F)
- Special Features: Slim Design with Rubberized Sides for Better Grip and for One Hand Operation
Product Variants
| Product | Model | Data Logging | Humidity Range | Dew Point Range | Temp. Range | Price | |
|---|---|---|---|---|---|---|---|
![]() |
SDL500 | 99 points | 5% to 95% | -13.5°F to +120.1°F | +32°F to +122°F | €786.78 | |
![]() |
EN300 | No | 10% to 95% | - | - | €567.26 | |
![]() |
RH490 | No | 0 to 1, 120 Gpp/0 to 160 G/Kg (Absolute), 0% to 100% (Rh) | -22°F to +199°F | -22°F to +199°F | €936.35 | |
![]() |
44550 | No | 10% to 85% | - | +14°F to +122°F | €83.91 | |
![]() |
RH300 | No | 10% to 90% | -90.4°F to +122°F | - | €263.71 | |
![]() |
RH350 | 99 points | 10% to 90% | -90.4°F to +122°F | - | €410.03 | |
![]() |
445580 | - | - | - | +14°F to +122°F | €146.42 |
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Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
EXTECH RH390 Temp/humidity Meter 0 To 100 Relative Humidity Range
€424.67 /unit
