Product Description
The WEMSduct sensor is a battery-powered wireless sensor for the WEMS wireless building energy management system, designed to measure the temperature conditions in duct-ventilated systems. The sensor element is at the end of a rigid brass tube that is mounted in the air duct.
| Features | Accurate temperature readings High performance wireless narrow band operation Up to 2Km line-of-sight range Multi-hop wireless protocol Licence-free use 69 selectable RF channels IP65 rated Conformal coated to protect against condensation Long battery life |
| Compliance | |
|---|---|
| EMC | EN 55022: 2006 EN 61000-4-3: 2006 EN 61000-4-2: 2001 |
| Safety | EN 60950: Information technology equipment EN 60730: Automatic electrical controls EN 50366: Domestic equipment |
| Wireless | EU R&TTE directive for 25kHz EN 300 220: EMC standard for short range devices EN 301 489: EMC standard for radio equipment and services |
| Operating Temperature Range | -10 to +60 DegC |
| Operating Humidity | < 75% RH (Non condensating) |
| Storage Temperature | -20 to +85 DegC |
| Storage Humidity | < 90% RH (Non condensating) |
| Supply Voltage | 9VDC |
| Supply Source | Lithium PP3 (U9VL-J, U9VL-X, U9VL-FP, U9VL-FP & ER9V) |
| Current Consumption Average | ~5uA |
| Current Consumption Peak | 25.4mA |
| Battery Life Expectancy | Up to 5 years, dependent on settings and environment |
| Temperature Sensor Resolution | 0.1 DegC |
| Temperature Sensor Accuracy | +/-1 DegC |
| Temperature Sensor Range | -10 to +80 DegC |
| RF Frequency | 433.05–434.79MHz |
| RF Output | 8dBm max |
| RF Sensitivity | -115dBm |
| RF Bandwidth | 25kHz (Narrow band) |
| RF Channels | 69 |
| Antenna connector | Female 50Ω SMA (SubMiniature version A) |
| Weight | 114g with battery |
| Enclosure | Flame retardant polycarbonate, IP65 |
| Mounting | Direct surface mount, 4x mounting holes |