HK-7200A Toxic Gas Detector

Detail HK-7200A Toxic Gas Detector

HK-7200A Toxic Gas Detector

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. Supplies category：Toxic Gas Detector
Material code：HK-7200A
Manufacturer：Beijing Huakeyi Power Plant Instrument Research Institute

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

P66

Measurement

CO

H2S

CO2、、

Cl2

H2

O2

Measure range

(0～500)×
10-6

(0～50) ×10-6

(0～20)×10-6

(0～20)×10-6

(0～500)×10-6

(0～25)%VOL