Description
Features:
- Reasonable price, Lightweight and Compact.
- Microprocessor based for fast and accurate measurements.
- Simultaneous display Humidity and Temperature.
- Multi-functions: Data-hold, Max/Min, Record, Hi & Low alarm setting.
- Low battery indication and auto/manual power shut off.
The HT-390 combines ease of use with a practical feature set: simultaneous RH and temperature display, data hold, Max/Min recording, hi/low alarm settings, and auto/manual power shut-off for extended battery life. The 100 Ω RTD and thin polymer capacitor sensor combination delivers fast, reliable readings, while low battery indication keeps users informed in the field. At just 165 g and running on a standard 9V battery (200-hour life), it's built for portability without compromise.
Specifications
| RH | Temp | |
| Range | 1~99.9 % RH | -40~60°C (-40~140°F) |
| Accuracy | ±2.5 % RH | ±0.3°C |
| Resolution | 0.1 % | 0.1°C |
| Sensor | 100 ohm RTD/Thin polymer capacitor | |
| Power | DC 9V battery, life span 200 consecutive hours | |
| Weight | 165 g | |
| Dimension | 85 x 30 x 120 mm | |
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