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INDOOR AIR QUALITY SENSOR WITH LED DISPLAY – RALQA-U/RALQA-I
RALQA-U/RALQA-I

TiTEC GmbH RALQA-U/RALQA-I

Anwendung

For measuring the air quality in living and office spaces etc, optionally with 0-10 V or 4-20 mA output. The RALQA-U/RALQA-I is a VOC/mixed gas sensor The CO2 equivalents are derived from a conforming algorithm as the odor emissions are overlaying the CO2 value (see graphics). Long-term drifting and operational deterioration can be eliminated by regularly running the automatic calibration. The integrated LED displays the quality of the air by means of an LED color scheme. Green means good, yellow means average and red means poor.

Technische Spezifikationen

 
Power supply:16 … 24 VDC or 24 VAC
Output:0...10 V or 4...20mA
Measuring range:0...2000 ppm
Analogue output (load):min. Load resistance 10 kOhm / load 600 Ohm
Operating temperature:0°C…+50°C
Operating humidity MUF:0 … 95%, non-condensing
Connection:Screw clamps 1,5 mm²
Protection class:IP20
LED-Display:Green LED at 0 … 800 ppm
Orange LED at 800 … 1600 ppm
Red LED at 1600 … 2000 ppm
Data-Sheet

Merkmale

TypeOutput ppmOutput Temp.{f1Output Humidity
RALQA-U0-10V
RALQA/T-U0-10V0-10V
RALQA/T/F-U0-10V0-10V0-10V
RALQA-I4-20mA
RALQA/T-I4-20mA4-20mA
RALQA/F-I4-20mA 4-20mA

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