Extech RH390 Psychrometer, ±1.8°F Accuracy, LCD Backlight Display, Battery-Powered
- RS Stock No.:
- 288-0402
- Mfr. Part No.:
- RH390
- Brand:
- Extech
Subtotal (1 unit)*
£199.00
(exc. VAT)
£238.80
(inc. VAT)
FREE delivery for orders over £60.00
Temporarily out of stock
- 5 unit(s) shipping from 08 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £199.00 |
*price indicative
- RS Stock No.:
- 288-0402
- Mfr. Part No.:
- RH390
- Brand:
- Extech
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Extech | |
| Product Type | Psychrometer | |
| Accuracy | ±1.8°F | |
| Display Type | LCD Backlight | |
| Power Source | Battery | |
| Minimum Operating Temperature | -22°C | |
| Moisture Content | 199 °F | |
| Maximum Operating Temperature | 100°C | |
| Standards/Approvals | CE | |
| Width | 1.7in | |
| Weight | 7g | |
| Height | 7.8in | |
| Length | 200mm | |
| Model Number | RH390 | |
| Select all | ||
|---|---|---|
Brand Extech | ||
Product Type Psychrometer | ||
Accuracy ±1.8°F | ||
Display Type LCD Backlight | ||
Power Source Battery | ||
Minimum Operating Temperature -22°C | ||
Moisture Content 199 °F | ||
Maximum Operating Temperature 100°C | ||
Standards/Approvals CE | ||
Width 1.7in | ||
Weight 7g | ||
Height 7.8in | ||
Length 200mm | ||
Model Number RH390 | ||
- COO (Country of Origin):
- CN
The FLIR Precision Psychrometer is a high-quality device that offers the highest 2% RH accuracy with a quick less than 30-second RH response time. Its slim design with rubberized sides ensures a better grip for one-handed operation. The dual backlit display allows for simultaneous display of humidity/temperature, humidity/dew point, and humidity/wet bulb.
Data hold and min/max functions for convenience
Quick less than 30-second RH response time
Auto power off with disable and low battery indicator for power saving
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