ARH950 Series
The ARH950 Series Wall / Duct mount Relative Humidity Transmitter is the most versatile transmitter in the market.
ARH950 combines high accuracy, stability and reliable operation, making these products the ideal choice for demanding applications.
Features
- Two Line LED (LCD) display, directly read the RH & temperature
- Accuracy up to +/-2% RH
- DIP switch selectable signal input of Temperature
- 4 wires, 4-20 mA * 2 for both Humidity & Temperature output
- Small, light and easy to be installed
- Full 0-100% RH measurement
- RH 0.1%, Temperature 0.1 °C Resolution
- 8 Seconds fast response time
Specification
| Measuring Range | ||
| Relative Humidity | : | 0-100% RH |
| Temperature | : | 0~50 / -20~80 / -40~60 °C |
| Accuracy | ||
| Relative Humidity | : | +/-2% RH@25 °C |
| Temperature | : | +/-0.3 °C@25 °C |
| Resolution | ||
| Relative Humidity | : | 0.1% RH |
| Temperature | : | 0.1 °C |
| Repeatability | : | +/-0.1% Typical |
| Humidity Drift | : | <0.5% RH / Year |
| Temperature Drift | : | <0.1 °C / Year |
| Operating Temperature | : | -20~70 °C |
| Storage Temperature | : | -10~60 °C |
| Storage Humidity | : | 0-90% RH |
| Material | ||
| Electrical Housing | : | ABS (Duct) / PC (Wall) |
| Aluminum Alloy (Duct, IP65) | ||
| Probe | : | ABS (Duct), S.S. 316 (Duct, IP65) |
| Flange | : | PC (Polycarbonate) |
| Sensor Housing | : | PC (Polycarbonate) |
| Protection Class | ||
| Duct Mount | : | IP54 / IP65 |
| Wall Mount | : | IP44 |
| Display | : | RH: 0.0-99.9% LED (LCD) |
| : | Temperature: +/-99.9 °C | |
| Output | ||
| Relative Humidity | : | 4-20 mA |
| Temperature | : | 4-20 mA |
| Load | : | Rohm= (VDC-15) * 50 |
| Response Time | : | 8 Seconds |
| Turn on Time | : | 3 Seconds |
| Power Supply | : | 15-36 VDC |
| Power Consumption | : | <50 mA@24 VDC |
| Electrical Connections | : | D Type: PG9, P Type: M20 |
| : | Screw Terminal Block (Wall Mount) | |
| Screw Terminal | : | 0.5-1.5 mm2 |
| Dimensions | ||
| Duct Mount | : | 85 mm (L) * 85 mm (W) * 241.4 mm (H) |
| 100 mm (L) * 100 mm (W) * 278.4 mm (H) | ||
| Wall Mount | : | 100 mm (L) * 84 mm (W) * 23 mm (D) |
| Weight | ||
| ARH950-D | : | 146 g |
| ARH950-W | : | 83 g |
| ARH950-P | : | 810 g |
| EMI / RFI Effect | : | Follow SAMA PMC 33.1 from 20-1000 |
| MHz and for field strengths up to 30 V/m | ||
| Vibration Effect | : | +/-0.1% of Full Scale Per g to 200 Hz |
| in any axis |
