gas detection

oxygen

flammable gas

hydrogen sulfide

carbon monoxide

Detection Principle

Communication battery type

Contact combustion type

Constant potential electrolysis

Constant potential electrolysis

Testing Scope

basic

0-25.0vol%

0-100%lel

0-30.0ppm

0-150ppm

service

25.1-40.0vol%

——

30.5-100.0ppm

151-500ppm

Alarm setting
Value (standard)

1st18VOL%

1st10% LEL

1st10.0ppm

1st25ppm

2nd16VOL%

2nd50%LEL

2nd30.0ppm

2nd50ppm

Detection method

diffusion

Response time

90% of response time is within 30 seconds

Types of alarms

Gas alarm (STEL, TWA), over range alarm (in continuous measurement mode)
Fault alarm: poor sensor contact, wire breakage, low battery voltage, abnormal calibration range, etc

Alarm indication

During gas alarm: flashing lights, intermittent beeping of buzzer, flashing gas concentration values
When a fault alarm is triggered: flashing lights, intermittent beeping of the buzzer, indicating the content of the fault

Temperature range for use

-20 ℃~+40 ℃, 30~~95% RH (tends to frost)

power supply

Dedicated built-in Ni Cd battery, direct charging type

Continuous usage time

About 12 hours (in continuous measurement mode) [Standard]
About 240 hours (in long-term measurement mode) [optional]
(25 ℃, fully charged, no alarm, no lighting)

Explosion proof construction

Intrinsic safety, pressure resistant and explosion-proof construction, Exiad Ⅱ BT3X

Main functions

LCD backlight display screen
Data recording (up to 180 minutes per day)
PC standard infrared data communication (IrDA port)

Standard accessories

① Protective rubber sleeve ② Hook ③ Two S-shaped hooks

Optional selection

① Charger ② Hook (5m) set ③ Data recording program ④ File

External dimensions/quality

About 5.6 (W) × 152 (H) × 56 (D) mm, about 500g