Compact, lightweight design for accurate measurements anywhere!
Ergonomic handheld thermohygrometers provide a fast and convenient way to accurately spot-check relative humidity and temperature in a wide range of environments and applications. When accuracy is a must in the field, in the lab, or on the process floor, these meters deliver dependable results every time!
Features
- Reliable measurements, guaranteed! Precalibrated to NIST-traceable standards
- Large backlit LCD displays humidity, temperature, dew point, and wet bulb readings
- Feature Min/Max readings and Hold function
- User-selectable temperature readout in °C or °F
- Integrated humidity and thermistor (NTC) temperature sensor
- Auto power-off mode extends battery life
Additional features for Thomas No. 1197B54
- Heavy-duty housing protects against knocks and jars
- Absolute humidity measurements
Applications
- HVAC
- Industrial
- Food industry
- Educational
- Laboratory
- R&D
| Range | |
| Humidity | 0 to 100% RH |
| Absolute humidity (calculated) | 0 to 500 g/m3, 0 to 218.5 gr/ft3 |
| Temperature (NTC) | –22 to 212°F (–30 to 100°C) |
| Temperature (T/C) | — |
| Dew point (calculated) | –22 to 212°F (–30 to 100°C) |
| Wet bulb (calculated) | 32 to 176°F (0 to 80°C) |
| Resolution | |
| Humidity | 0.1 |
| Temperature (NTC) | 0.1°F/C |
| Temperature (T/C) | — |
| Accuracy | |
| Humidity | ±2% from 40 to 60% RH; ±3% from 20 to 40% RH and 60 to 80% RH; ±4% from 0 to 20% RH and 80 to 100% RH |
| Temperature (NTC) | ±1.8°F (1°C) from –4 to 140°F (–20 to 60°C); ±2.7°F (1.5°C) from –22 to –4°F (–30 to 19°C) and 140 to 212°F (60 to 100°C) |
| Temperature (T/C) | — |
| General | |
| Dimensions (L x W x H) | 117⁄8″ x 3″ x 2″ (30 x 7.5 x 5 cm) |
| Power | One 9 V battery |
| Accessories included | Carrying case, battery, NIST-traceable certificate with data and uncertainties |
| Thomas No | Mfr No | Description |
|---|---|---|
| 1197B54 | 20250-21 | Digi-Sense Professional Thermohygrometer with NIST Traceable Calibration |
