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FLAMMABLE GAS DETECTOR

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COMBUSTIBLE GAS DETECTOR

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Model No.	FLAMMABLE GAS DETECTOR Model : QM-9100D, NDIR TYPE
Category	GAS DETECTOR, COMBUSTIBLE GAS DETECTOR

Description

TRANSMITTER TYPE (4~20mA), RS-485 MODBUS (OPTION)
LCD LOCAL DIGITAL DISPLAY
MODEL : QM-9100D

Features

Premium diffusion gas detector for real-time monitoring of combustible gases in locations with potential explosion hazards.
Gas detector with on-site display and backlight LCD feature for continuous identification of combustible gas concentration in low-light conditions.
High-intensity LED warning flash lamp (H.HH).
Gas detector with various functions, including zero and concentration calibration, temperature compensation, and final calibration date verification via magnetic key or computer monitoring system without opening the cover.
Onboard 4-20mA output, dry contact output (1st, 2nd, 3rd), optional 24V DC output, and fault detection function.
Computer system with bidirectional communication function on the controller.
IP66 and Internal pressure explosion-proof certified by IECEx, ATEX, and KGS.
Galvanically isolated RS-485 network: a highly robust field-bus network capable of limiting the propagation of external noise, such as lightning, to a localized area.
When expanding the detection unit, it connects to the nearest communication line and automatically integrates with the computer monitoring system, allowing for automatic expansion and contraction, resulting in cost savings forinstallation and maintenance management.

Specification

Model No.

QM-9100D

Measuring gas

FLAMMABLE GAS (H2, CH4, C2H2, C2H4, Freon etc.)

Measuring range

0~100%(LEL)

Application sensor

Catalytic combustion
NDIR (Infrared)
Semiconductor

Measuring signal

4~20mA (Transmitter)
Relay Contact (H.HH) or 24V.DC (H.HH), Fault
RS-485 Modbus/ Hart Protocol (OPTION)

Measuring display

LCD Digital display
Warning, flickering, lighting

Response time

Within 15~45 seconds (Depends on sensor type)

Transmission speed

38,400bps

Accuracy

±2% / Full scale or ±3% / Full scale (Depends on sensor type)

Operating temp '/humi'

-20°C ~ +40°C /90% RH (Non-condensing) (Depends on sensor type)

Operating power

21~31V.DC, 125mA

Consumption electric power

2.4W (Alarm 4.0W)

Cable/Distance

UL2919 1pair (RS-485), supply 24V.DC/Max1,000M
CVVS(Shield) 1.5sq X 3wire (4~20mA)/Max2,500M

Conduit connection cable

3/4-14 NPT

Mounting type

Wall mounting or 2" Pole mounting

Approval

Ex db IIC T6 Gb / Ex tb IIIC T85°C Db (KCs)
II 2G Ex db IIC T6 Gb/II 2D Ex tb IIIC T85°C Db (ATEX)
Ex db IIC T6 Gb/Ex tb IIIC T85°C C Db (IECEx)

Dimension

143(W) × 175(H) × 116(D) - Excluding splash guard

Weight

1.42Kg

DIMENSION(mm)