Combustible gas (explosion) measuring instrument
model: ZH9-SEN168-LEL cat.number: m301712
Functions:
1 chargeable lithium battery, super-long working time
2 changeable electrochemical gas sensor(combustible gas is catalytic

combustion mode)
3 with simple self-caliberation system to lessen the inaccuracy of

measurement
4 sensor fault detection and reporting function,STEL,TWA reporting function
5 availability of providing digital gas consentration,STEL,TWA peak value
6 be able to store the data for 2000 reporting record, convinient to check
7 test serial number of the people and the location,convinient for

management
8 standardized 4 key operation, simgle key for power, easy for opertion
9 sturdy and durable shockproof ABS crust, high warter- and dust-proof

design, suitalbe for severe environment
10 ergonomic  design, in accord with people's hand-holding habit

Technical target

1 Detect combustible gas/poisonous gas
2 With self-caliberation and return-to-zero funtion
3 Background light is bright when in alarm or with the button pressed
4 Electrochemical sensor with temperation compensation module(combustible

gas is catalytic combustion mode)
5 Visual alarm: Wide-angle  flashing alarm lens, LED alarm light, alarm LCD

reading
6 Auditory alarm: Pulse output as high as 90 decibel
7 LCD digital display reading and status indication
8 Alarm settings: the user could set the alarm location as needed
9 When in start the instrument automatically check all its functions.
10 Power:3.7V 1200mAh chargeable lithium battery
11 Explosion-prevention degree: innate safe mode, Ex ia Ⅱ CT3
12 Protection class: IP67
13 Working condition: -20℃ to 50℃ ≤ 95% RH
14 Size: 97×56×25 mm

Data parameters:
TWA alarm, STEL alarm, lower limit alarm , higher limit alarm
LEL 0-100% unsuitable unsuitable \10%\ \20%\