Order numbers

GS 40.40 mod

CO₂- / Air quality sensor

GS 41.40 mod

CO₂- / Air quality sensor with manual set-point temperature adjustment

Accessories

Supply voltage	20-28 V DC 50-60 Hz
Power consumption	<30 mA
Bus system	Modbus ASCII, Modbus RTU via RS 485
Baud rates	4800, 9600, 19200 (Default), 38400
Parity settings available	None, even, odd
Sensors	CO₂ Temperature Relative humidity Atmospheric pressure Dew point
Outputs 2x 0-10 V	max. 2mA
Outputs 2x FET	Inrush current: max 1.2A Permanent current: max. 350mA
Inputs	External temperature sensor (can alternatively be used as a contact input)
Measuring range CO₂-concentration	425-5.000 ppm
Measuring range temperature	0...+50° C
Measuring range relative humidity	0...100%
Measuring range atmospheric pressure	300-1.100 hPa
Permitted ambient temperature	0...+50° C
Housing	self-extinguishing thermoplastic
Dimensions	80,5 x 80,5 x 17 mm
Housing color	studio white (similar to RAL 9016) Specific colors on request
Mounting	Wall mounting (preferrably combined with flush-mounting box)
Type of connection	Screw terminals
Type of protection	IP 20 (DIN EN 60529)
Class of protection	III when installed according to regulations

Hugo Müller GmbH & Co KG

Tel.: +49 (0) 7720 80 836