LK+ CO2+VOC LCD AA

Duct sensor CO2, VOC, CO2/VOC mix – Active, 4..20 mA

Application/type Duct sensor
Purpose Measure values
Measured values CO2, VOC, CO2/VOC mix
Interface Active, 4..20 mA
Configuration USEapp, uConfig, jumper, each output can be set to get a variable mix of CO2 and VOC by configuration via app or uConfig
Sensor NDIR (non-dispersive, infrared)
Output current 2x 4..20 mA, max. load 500 Ω
Operating range temperature (°C) 0..+50
Operating ranges temperature (°C) 0..+50
Operating range humidity max. 85% rH short term condensation
Measuring range CO2 0..2000 ppm, 0..5000 ppm, optionally configurable
Accuracy CO2 ±50 ppm +3% of measured value (typ. at 21 °C, 50% rH, 1015 hPa), self-calibration Dual Channel
Measuring VOC (mixed gas) heated metal oxide semiconductor
Power supply 15..35 V = SELV
Power consumption max. 2,5 W (24 V =), 4,3 VA (24 V ~)
Material in touch with media Pipe, Ø=19,5 mm, black, length 150 mm
Installation length (mm) 150
Enclosure USE-M, impact- and shock-resistant enclosure with quick-release cover, PC
Colour pure white
Protection (IP) IP65, according to EN 60529
Connection removable cable entry flextherm M20 for wire Ø=4,5..9 mm, removable plug-in terminal, max. 2,5 mm²
Delivery content incl. mounting flange, incl. mounting set (screws and accessories)
Packaging length (mm) 87
Packaging width (mm) 87
Packaging height (mm) 200
Packaging case packaging
Device length (mm) 85
Device width (mm) 84
Device height (mm) 195
Notes mixed gas sensors detect gases and vapours which can be oxidised (burnt): Body odours, tobacco smoke, exhalations emitted by materials (furniture, carpets, paint, glue ...), air speed 0,3..12 m/s