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eyc-tech GM33 CO Transmitter

eyc-tech GM33 CO Transmitter

Product catalog summary

Overview: The document provides technical specifications and application details for the Air Quality-GM33 CO Transmitter, designed for monitoring air quality in various systems such as HVAC, air conditioning, and environmental control systems. It is not suitable for CO industrial environmental and life support systems.

Specifications:

Sensor Type: Electrochemical CO Sensor
Measuring Range: 0 to 500 PPM
Output Options: 0 to 10 V, 4 to 20 mA, RS-485, RS-485 & analog
Signal Connection: 3-wire
Sensitivity: < ±10 PPM of measured value
Load Resistance: ≤ 500 Ω for 4 to 20 mA; ≥ 10 KΩ for 0 to 10 V
Response Time: < 60 seconds
Accuracy: ± 3% of Full Scale
Operating Temperature: 0 to 50°C
Operating Humidity: 5 to 95% RH (Non-condensing)
Storage Temperature: -10 to +60°C
Power Supply: AC 12 to 30 V & DC 8 to 35 V
Current Consumption: DC 24 V: 60 mA / DC 12 V: 180 mA; AC 24 V: 140 mA / AC 12 V: 230 mA
Protection: IP65 for body, IP20 for sensor; includes polarity protection, over-voltage, and short-circuit protection
Certification: CE, PC fire-proof class (UL94V-2)

Installation: The device is wall-mounted with a screw-on base and uses an M12 metal connector (4P or 5P) with a 2-meter cable.

Ordering Guide: The product can be customized based on input type, output type, power supply, CO range, and electrical connector type.

Diagrams: The document includes diagrams for analog, RS-485, and combined analog + RS-485 connections, detailing the pin configurations and power supply requirements.

Catalog excerpts

Electrochemical Sensor with a long life, good long term stability and high accurac It has lower sensitivity to interferant gases High repeatability Monitoring for HAVC / Air conditioning system / Instrument testing equipment / Environmental control and monitoring system / Ventilation system control for indoor parking garages and building ※ Application for environmental monitoring only. Not for CO industrial environmental and life support system.

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Sensor type Operating range Measuring range Load resistance Output calibration Fixed seat ≦ 500 Ω for 4 ... 20 mA；≧10 KΩ for 0 ... 10 V Factory software calibration < 60 s ± 3 % of F.S. (Best zero-point ) Non-aggressive gas(HAVC system) Operating temperature Operating humidity Storage temperature Certiﬁcation Certiﬁcation AC 24 V：140 mA / AC 12 V：230 mA M12(4P or 5P)metal connector (With 2 m cable) Wall type Electrical protection Medium temperature Current consumption Power supply Electrical connection Signal connection ■ Over-voltage ■ Short-circuit CE PC ﬁre-proof class(UL94V-2) 162 g *Please...

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M type (4P)：RS-485 or analog M type (5P)：RS-485 + analog Power supply Power supply Black Gray Power supply

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| Ordering Guide | Installation Power supply Electrical connector

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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