data sheet CM2 - 1 Pages

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data sheet CM2

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□ Indoor air quality □ Dual Wavelength NDIR measurement methods □ Range 0...2000 ppm CO2 □ Ad in 6 stages over LED green-yellow-red □ Output 0/4...20 mA or 0...10 V □ Wall enclosure for mounting on flush-mounted switch box □ Power supply 24 Vac or 24 Vdc Better air quality reduces fatigue and loss of concentration! In many environments, the motivation decreases when the air quality deteriorates. The simplest solution is to open a window! However, this is not in any work environment possible. The CO2 monitor CM2 helps to keep the air quality at a constant level and to counteract fatigue. It measures the CO2 content in the air, displays it via a LED strip. In addition it initiated directly an automatic window opening or closing. Description The measurement of CO2 content is based on the dual wavelength NDIR method. An infrared emitter emits light in a cuvette of two adjacent wavelengths on a receiver. CO2 is located in the beam path, is the characteristic wavelength of the CO2 weakened and provides a signal for the evaluation. The evaluation provides an output signal of 0/4...20 mA corresponding 0...2000 ppm CO2 . Furthermore, in the front cover of the unit, the CO2 content visually displayed on a 6-segment LED display in the colors green, yellow and red. The electronics is in a white plastic case mounted for wall mounting. The case can also be mounted on a flush-mounted box. The device is powered with 24 Vac or 24 Vdc. Error limit: ACCURACY/ ERROR LIMIT: ± 4 % v.E. + 3 % v.M. Operating Mode: Measured material: Measuring range: Response time (t63): Time interval of measurements: Ambient temperature: Rel. Moisture: Casing: Display: Power supply: Power consumption: Output signal: TECHNICAL SPECIFICATIONS. Measurement & Display Dual Wavelength NDI 0 ... 2000 ppm CO2 <30 sec 1.5 s -10 ... + 50 °C 0 ... 80%, no condensation PHYSICAL: Plastic, white, for wall mounting or mounting on a flush-mounted switch box 6 light emitting diodes LED < 400 ppm green 1 > 400 ppm green 2 > 600 ppm yellow 1 > 1000 ppm yellow 2 > 1500 ppm red 1 > 2000 ppm red 2 x 127 x 25 mm (W x H x D) ELECTRONIC: 24 Vac or 24 Vdc Approx. 100 mA 0/4 ... 20 mA, max. load 500 Q or 0 ... 10 V CO2-Monitor CM2 for monitoring the CO2 concentration in rooms 7420 Measurement range: 0...2000 ppm CO2, optical display with 6 LED Output: Customer-specific presetting required! Supply voltage: 24 Vac or 24 Vdc Case: plastic, white, for wall mounting or mounting on a switch box 75 x 127 x 25 mm (w x h x d) Arthur Grillo GmbH • Am Sandbach 7 • 40878 Ratingen • phone 0 21 02 - 47 10 22 • fax 0 21 02 - 47 58 82 www.grillo-messgeraete.de/en • Email: info@grillo-messgeraete.de • web shop: www.sensor-store.de

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