Air Quality – QRT SERIES

1,990.00฿

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SKU: AQ-QRTs Category: Tags: , ,

PART NUMBER & PRICE

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

SPECIFICATION

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

DOCUMENTS

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