HED Economy Series humidity transmitters offer an array of humidity control solutions at an affordable price. All devices include embedded electronics to protect against condensation. The thin-film capacitive sensor elements provide high accuracy and performance. The duct mounted HED includes a sturdy sheet metal housing. All Economy models come with a standard one-year warranty.
APPLICATIONS- Managing energy systems
- HVAC economizer control
- Facilitating ASHRAE standards for environmental control
Reduce Installation Costs with Combination Sensors- Monitor humidity and temperature with a single device
- Circuitry is embedded in the probe for durability and protection
- Input Power 12 (15 for 0-10V) to 30VDC/24VAC, 15mA max.
- HS Element Digitally profiled thin-film capacitive, non removable
- Accuracy at 25°C from 10-90% RH ±3%
- Reset Rate* 24 hours
- Stability ±1% @ 20°C (68°F) annually, for two years
- Operating Humidity Range 0 to 100% RH (non-condensing)
- Temperature Effect (0.0015%RH(T°C-25))+(%RH0.0008abs(T°C - 25))
- Analog Output 0-5V, 3-wire, observe polarity
- Scaling 0–100% RH
- Operating Temperature Range -40° to 50°C (-40° to 122°F)
1-year limited warranty*Reset Rate is the time required to recover to 50% RH after exposure to 90% RH for 24 hours.One side of transformer secondary is connected to signal common. Isolation transformer, or dedicated power supply may be required