The Extech RH250W is a compact Hygro-Thermometer with Bluetooth® connectivity, which allows building and maintenance professionals to view and share relative humidity and temperature data directly from a mobile device using the free ExView app. With the capability to capture data, display trends, set visual and audio alarms, and send reports, users can gain deeper insights on equipment and building health.
Specifications
| General | |
|---|---|
| Relative Humidity | 0 to 100% RH |
| Relative Humidity Basic Accuracy | ±5% RH |
| Relative Humidity Max Resolution | 0.1% RH |
| Response Time | 1 sec |
| Sampling Rate | 1s |
| Temperature [Air] | 14 to 140°F (-10 to 60°C) |
| Temperature [Air] Basic Accuracy | ±2.0°F (±1.0°C) |
| Temperature [Air] Max Resolution | 0.2°F (0.1°C) |
| Wireless Connectivity | Bluetooth® (via ExView iOS/Android mobile app) |
| Wireless Transmission Range | up to 90 m line of sight |
| Additional Details | |
|---|---|
| Certifications | CE, FCC, UKCA |
| Dimensions | 5.9 × 2.1 × 1.1 in (150 × 53 × 28 mm) |
| Operating Conditions | 32 to 104°F (0 to 40°C),≤80% RH |
| Power | 3 × AAA (1.5V) batteries |
| Warranty | 2 years |
| Weight | 2.8 oz (80.5 g) |
Resources & Support
Quick Start Guide
Extech RH250W Quick Start Guide
Datasheet
Extech RH250W Datasheet
User Manual
Extech RH250W User Manual
User Manual
Extech RH250W User Manual GB
Certification
Extech RH250W Declaration of Conformity
User Manual
Extech ExView Mobile App User Manual
User Manual
Extech ExView Mobile App User Manual GB
Export Restrictions
The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.