- Extech
- Humidity Meters
- Handheld
- RH250W
RH250W: Hygro-Thermometer with Connectivity to ExView® App
Simultaneously monitor relative humidity and temperature from a mobile device
The 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.
Features:
- Measure relative humidity and air temperature simultaneously
- Transmit, view, and share data directly from a mobile device via Bluetooth connection to the ExView app
- Record Max/Min readings
- Freeze display with 'Data Hold'
- Save battery life with Auto Power Off feature
- Mount on tripod with standard 1/4"-20 mounting screw
- View data on both the bright, backlit RH250W LCD display and from the app on iOS® or Android™ mobile devices (offers both day mode and dark mode)
- Connect up to eight compatible Extech Connected 250W Series meters to the app simultaneously
- Set up data recording and program high/low audible alarms through the app
- Export data in .CSV file format or send PDF reports—including photos of the measurement location—from the app
- Comes complete with 3 AAA (1.5 V) batteries
Specifications:
| Specifications | Range | Max Resolution | Basic Accuracy |
|---|---|---|---|
| Relative Humidity | 0 to 100% RH | 0.1% RH | ±5% RH |
| Air Temperature | -10 to 60°C (14 to 140°F) | 0.1°C (0.2°F) | ±1.0°C (±2.0°F) |
| Response Time | 1 sec | ||
| Connectivity | Bluetooth (Free ExView App) | ||
| ExView App Compatibility | iOS 13.0 and higher & Android 9.0 and higher | ||
| Transmission Distance | <10 m up to 90 m line of sight | ||
| Power | 3 x AAA (1.5 V) battery (included) | ||
| Operating Conditions | 0 to 40°C (32 to 104°F), ≤80% RH | ||
| Dimensions | 5.9 × 2.1 × 1.1 in (150 × 53 × 28 mm) | ||
| Weight | 2.8 oz (80.5 g) | ||
Downloads:
- English Datasheet
- English Quick Start Guide
- French Quick Start Guide
- German Quick Start Guide
- Italian Quick Start Guide
- Portuguese Quick Start Guide
- Spanish Quick Start Guide
- Japanese Quick Start Guide
- Korean Quick Start Guide
- Chinese Quick Start Guide
- English User's Manual
- French User's Manual
- German User's Manual
- Italian User's Manual
- Portuguese User's Manual
- Spanish User's Manual
- Japanese User's Manual
- Korean User's Manual
- Chinese User's Manual
- CE Declaration of Conformity
- UK Declaration of Conformity
- ExView English User's Manual
- ExView French User's Manual
- ExView German User's Manual
- ExView Italian User's Manual
- ExView Portuguese User's Manual
- ExView Spanish User's Manual
- ExView Japanese User's Manual
- ExView Korean User's Manual
- ExView Chinese User's Manual
- ExView for Android
- ExView for iOS
Videos:
Features:
- Measure relative humidity and air temperature simultaneously
- Transmit, view, and share data directly from a mobile device via Bluetooth connection to the ExView app
- Record Max/Min readings
- Freeze display with 'Data Hold'
- Save battery life with Auto Power Off feature
- Mount on tripod with standard 1/4"-20 mounting screw
- View data on both the bright, backlit RH250W LCD display and from the app on iOS® or Android™ mobile devices (offers both day mode and dark mode)
- Connect up to eight compatible Extech Connected 250W Series meters to the app simultaneously
- Set up data recording and program high/low audible alarms through the app
- Export data in .CSV file format or send PDF reports—including photos of the measurement location—from the app
- Comes complete with 3 AAA (1.5 V) batteries
Specifications:
| Specifications | Range | Max Resolution | Basic Accuracy |
|---|---|---|---|
| Relative Humidity | 0 to 100% RH | 0.1% RH | ±5% RH |
| Air Temperature | -10 to 60°C (14 to 140°F) | 0.1°C (0.2°F) | ±1.0°C (±2.0°F) |
| Response Time | 1 sec | ||
| Connectivity | Bluetooth (Free ExView App) | ||
| ExView App Compatibility | iOS 13.0 and higher & Android 9.0 and higher | ||
| Transmission Distance | <10 m up to 90 m line of sight | ||
| Power | 3 x AAA (1.5 V) battery (included) | ||
| Operating Conditions | 0 to 40°C (32 to 104°F), ≤80% RH | ||
| Dimensions | 5.9 × 2.1 × 1.1 in (150 × 53 × 28 mm) | ||
| Weight | 2.8 oz (80.5 g) | ||
Downloads:
- English Datasheet
- English Quick Start Guide
- French Quick Start Guide
- German Quick Start Guide
- Italian Quick Start Guide
- Portuguese Quick Start Guide
- Spanish Quick Start Guide
- Japanese Quick Start Guide
- Korean Quick Start Guide
- Chinese Quick Start Guide
- English User's Manual
- French User's Manual
- German User's Manual
- Italian User's Manual
- Portuguese User's Manual
- Spanish User's Manual
- Japanese User's Manual
- Korean User's Manual
- Chinese User's Manual
- CE Declaration of Conformity
- UK Declaration of Conformity
- ExView English User's Manual
- ExView French User's Manual
- ExView German User's Manual
- ExView Italian User's Manual
- ExView Portuguese User's Manual
- ExView Spanish User's Manual
- ExView Japanese User's Manual
- ExView Korean User's Manual
- ExView Chinese User's Manual
- ExView for Android
- ExView for iOS
Videos:
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