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EGQ 220/222 Room Transducer CO2
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Product Description
Measuring the CO2 concentration for energy-efficient control of the room climate.
Features
- Selective measurement of the CO2 concentration for demand-controlled ventilation of rooms (e.g. meeting rooms, conference rooms, offices, classrooms, etc.)
- Available in 2 versions: with and without temperature measurement
- CO2 measurement with NDIR1) Dual-beam technology, therefore stable in the long term and largely resistant to external influences
- Suitable for 24-hour operation
- Calibrated ex works and ready to use immediately
- Very fast response to changes in the CO2 concentration in rooms
- Temperature-compensated calibration for the standard air pressure of 1013 mbar
- The sensors have been developed according to the DIN EN 13779, DIN EN 15251, VDI 6038 and 6040 directives
Technical Details
| Power Supply | |
| Power Supply | 15...24 V= (±10%) or 24 V~ (±10%) |
| Power Consumption | Max. 3 W (24 V=) | 6 VA (24 V~) |
| Peak Inrush Current | 10 A, 2 ms |
| Parameters | |
| Time characteristic in room (0.1 m/s) | 2 minutes |
| CO2 Measuring range | 0...2000 ppm |
| CO2 Measuring accuracy | ±75 ppm, >750 ppm:±10% (typ. at 21 °C) |
| CO2 Pressure dependence | Typ.0.135% of the measured value per mm Hg |
| CO2 Temperature dependence | Typ.2 ppm per °C (0...50 °C) |
| CO2 Gradual drift | < 5% FS or < 10% per year |
| Temperature (EGQ 222) Measuring range | 0...50 °C |
| Temperature (EGQ 222) Measuring accuracy | ±1% of measuring range (typ. at 21 °C) |
Overview
| Type | Description | Readiness for Operation | Output Signal |
| EGQ220F031 | Room transducer, surfacemounted, CO2; 0-10 V | < 2 minutes (operational), < 15 minutes (response time) | 1 x 0...10 V, load ≥ 10 kΩ |
| EGQ222F031 | Room transducer, surfacemounted, CO2 + temp; 2 x 0-10 V | < 2 minutes (operational), < 15 minutes (response time) | 2 x 0...10 V, load ≥ 10 kΩ |