The Extech RHT50 is a compact USB datalogger that simultaneously records up to 10,000 readings of relative humidity (0 to 100% RH), temperature (–40 to 158°F / –40 to 70°C), and atmospheric pressure (950 to 1050 hPa). Designed for environmental monitoring in cleanrooms, laboratories, warehouses, shipping containers, and HVAC applications, it features a user-selectable sampling interval from 1 minute to 18 hours and long-life lithium battery operation. Data is easily downloaded via built-in USB to a Windows® PC using the included software. Visual status indicators and programmable Min/Max alarms enhance usability in critical monitoring scenarios.
- Records 10,000 combined data points for humidity, temperature, and pressure
- User-programmable sampling rate: 1 min to 18 hr
- Measures atmospheric pressure in psi, hPa, kPa, or bar
- Built-in USB connector for direct PC data download—no cables required
- Includes Windows®-compatible analysis software
- Visual status indication via red/yellow (alarm) and green (normal) LEDs
- Manual or programmable start modes for flexible logging
- Long-life 3.6V lithium battery (included)
- Compact, lightweight design for discreet placement