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Specification of Indoor CO2 Monitor Transmitter LFG203

Technical parameter

LEFOO Indoor CO2 Monitor Transmitter LFG203
Output	4-20mA	0-5V	0-10V	RS485
Working Voltage	10-30VDC	10-30VDC	16-30VDC	10-30VDC
Sensor	NDIR sensor
Average Current	<45mA
Working temperature	0-50℃
Working humidity	0-80%
Measure Range	0-2000PPM,0-5000PPM
Accuracy	±(40PPM+3%MV)PPM
Response Time	2min
Protection Class	IP30

Dimension

Wiring Guide

Installation Guide

TIPS:

1. Press the open button under the back cover of the transmitter to open the transmitter (as shown in Figures 1 and 2);

2. Complete the electrical connection according to the wiring diagram, and introduce the cable from the cable hole (as shown in Figure 4);

3. There are three mounting holes on the back cover of the transmitter, which can be fixed on the wall with expansion screws (as shown in Figure 5), or on the pre-embedded 86 boxes on the wall (as shown in Figure 6);

4. Align and fasten the front cover with the bottom case to complete the installation (as shown in Figure 7).

Selection Guide

Code and description					Remark
LFG203	Indoor CO2 monitor				Model
	1	2000ppm			Measure Range
	2	5000ppm
		V5	0-5V		Output
		V10	0-10V
		A4	4-20ma
		RS	RS485
			D	With digital display	Display
			N	without digital display

LFG203	1	V10	D		Selection example