HK-7200A Toxic Gas Detector

Supplies category：Toxic Gas Detector
Material code：HK-7200A
Manufacturer：HKY Technology Co.,Ltd.

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Introduction

The Ex HK-7200A Toxic Gas Detector, based on electrochemical principle, is designed for continuous detecting and monitoring of hazardous gas leaks in ambient air and provides a 4~20mA output signal that can be connected to a controller, PLC,DCS or similar instrumentation.

Feature

. ADVANCED MCU TECHNOLOGY.
. SMT AND INGETAL DESIGN—Enhance performance and reliability.
. CURRENT TRANSMISSION–Extremely extends the distance of signal transmission.
. CENTRALIZED POWER SUPPLY AND REGIONAL POWER SUPPLY
. LED DISPLAY—Display real-time concentration and operating statues of detector.
. SIGNAL TRANSMISSION—Send measured concentration signal to controller.
. INDOOR AND OUTDOOR USE—Suitable for the harshest environmental conditions.
. UNIQUE MAGNETIC PEN DESIGN—Operate detector through magnetic pen.
. IMPORTED CATALYTIC COMBUSTION SENSOR—Advanced performance with stable measurement, high sensitivity, anti-poisoning, and resist influence.
. SENSOR DIAGNOSTIC FUNCTION—Provide alarm and prompt while sensor fault or ageing.

Technique Data

Display	LED Display real-time concentration and operating statues of detector (including high alarm,low alarm,and fault alarm)
Measurement	Toxic Gases
Principle	Electrochemical
Sample Method	Diffusion
Measurement	O2, CO, H2S, H2, Cl2, SO2 and other toxic gases
Measurement Range	See below (depend on power requirements)
AccuracyP	±5%F.S
Response Time (T90)	≤60 sec at 25oC
Alarm Configuration	Two levels alarm,the alarm concentration programmable
Ambient Temperature	-20 to 50oC
Ambient Humidity	≤93%RH at 40oC (no condensation)
Atmosphere Pressure	86-106KPa
Output Signal	4-20mA
Transmission Distance	≤1000m (2.5mm2)
Power Supply	24±6VDC (centralized power supply or regional power supply)
Connection Method	3-wires
Power Consumption	≤1W
Storage Temperature	-25 to 55oC
Explosion-proof	Exd II CT6
Protection Grade	IP66