KEYWORD TECHNOLOGIES & SERVICES
KEYWORD TECHNOLOGIES & SERVICES
1,990.00฿
| Type No. | Description |
| Air Quality transmitter (VOC) for Room Mounting | |
| QRT | standard version |
| QRT S | Same as QRT and with changeover contact |
| QRT SL | Same as QRT and with changeover contact and with “traffic light” 5 coloured LED´s indication of air quality (VOC) |
| QRT SLP | Same as QRT and with changeover contact and with “traffic light” 5 coloured LED´s indication of air quality (VOC) and with Potentiomete |
| QRT SS | Same as standard version QRT but with stainless steel enclosure |
| Sensor | VOC sensor (metal oxide) with automatic self-calibration |
| Measuring range | 0-100% air quality referred to calibration gas multi-range switching (selectable via DP-switches) VOC: Low-Medium-High |
| Measuring accuracy | +/- 20% of final value (referred to calibration gas) |
| Power supply | 24 Vac/dc |
| Current consumption | ca. 70 mA at 24V |
| Output(s) | 0-10 Vdc, 4-20 mA or 0-20 mA (selectable) |
| Switch output (optional) | potential-free changeover contact (24V) switch point adjustable from 0-100% of output signal. |
| Ambient temp. range | 0 to +50°C |
| Detection of gases | not selective |
| Service life | > 60 months (under normal load conditions) |
| Long-term stability | <1% of final value per year |
| Warm-up period | 1 hour |
| Respone time | < 60 sec. |
| Housing material | Plastic |
| Protection | IP 30 |
