Extech RH350 Dual Input Hygro-Thermometer Psychrometer
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The RH350 displays humidity, dew point, wet bulb, temperature and temperature differential. The triple backlit LCD can be changed to display humidity, temperature, dew point or humidity, temperature and wet bulb or humidity, temperature and Type K thermometer. Can also display the temperature difference between Type K T1 and T2 or air temperature and Type K or Type K and dew point. Advanced features include built-in memory and recall of up to 99 data points, Min/MAX/Average readings from the captured data, data hold and selectable auto power off. Includes 2 Type K temperature probes, and four AAA batteries.
Features
•Superheat differential measurements:
T1-T2, Air-T1, T1-Dewpoint
• Dual Type K external temperature probe inputs (T1, T2)
• Simultaneous display of %RH, Temperature and
Dew point or Wet Bulb or External Probe Temperatures
• Built-in RS-232 interface — uses optional
Windows® 95/98/2000/ME/NT/XP compatible software
• Retrieve Max/Min readings with data and time
plus Average function
• Real time clock
• Triple display with backlighting
• Unique sensor cap design twists to closed
position for protection during storage
• Switchable °F/°C temperature units with 0.1° resolution
• Data Hold freezes current reading on display
• Auto power off to save battery life
• Complete with two Type K bead wire temperature
probes and 4 AAA batteries
Specifications
| Specification | Value |
|---|---|
| Dew Point | -90.4 to 122 °F (-68.0 to 49.9 °C) |
| Dew Point Max Resolution | 0.1 ° |
| Relative Humidity | 10 to 90% |
| Relative Humidity Basic Accuracy | ±3% |
| Relative Humidity Max Resolution | 0.1% |
| Temperature (Air) | -4 to 122 °F (-20 to 50 °C) |
| Temperature (Air) Basic Accuracy | ±1.8 °F / ±1 °C |
| Temperature (Air) Max Resolution | 0.1 ° |
| Temperature (Type K) Max Resolution | -328 to 2498 °F (-200 to 1370 °C) |
| Temperature (Type N) | ±0.3% or ±1.8 °F / ±1 °C |
| Temperature (Type N) Basic Accuracy | 0.1 ° |
| Wet Bulb | -6.9 to 122 °F (-21.6 to 49.9 °C) |
| Wet Bulb Max Resolution | 0.1 ° |
| Certifications | CE |
| Dimensions | 9 × 2.2 × 1.7" (230 × 57 × 44 mm) |
| Power | 4 × AAA (1.5 V) batteries |
| Warranty | 2 years |
| Weight | 5.3 oz (153 g) |