O2-25 waterproof, dustproof and oxygen detection alarm

Detailed information on O2-25 waterproof, dustproof and oxygen detection alarm:
Technical parameters of waterproof, dustproof and oxygen detection alarm
Measurement range/% O2 basic error/% O2 alarm error and alarm setting range/% O2 response time
0.0~5.0 ± 0.5 alarm setting range: 0.0~25.0;
Low alarm point: 18; High alarm point: 23;
Alarm error: ± 0.3; 30s
>5.0～25.0 ±3%FS

Main features:
◆ Protection level IP66, highly waterproof and dustproof design suitable for use in harsh environments
Falling from a height of 10 meters, intact and undamaged. The shell is made of high-strength engineering plastic and refined composite anti slip rubber, with high strength and good hand feel
The battery does not require charging, has a lifespan of 2 years, and can be replaced with a CR15H270 camera battery
◆ Powerful anti electromagnetic interference function
◆ Adopting high-quality imported electrochemical gas sensors with excellent sensitivity and repeatability
This detector can set low limit, high limit, TWA and STEL alarm points
◆ Uninterrupted LCD displays real-time gas concentration, with three alarm functions including powerful sound, light, and vibration
◆ Power on self-test function; Equipped with automatic calibration and zeroing functions
◆ Password management function, password verification is required during calibration to effectively prevent misoperation
◆ Small size, light weight (95mm × 45mm × 30mm) about 100 grams

Main functions
Real time display of current gas detection concentration using LCD liquid crystal;
Adjustable high and low alarm points;
Equipped with power on self-test function, automatic calibration function, and automatic zeroing function;
Battery undervoltage prompt; Clock and temperature display;
Sensors and batteries are replaceable;
Sound, light, and vibration alarms;
Password management function requires password verification during calibration to effectively prevent accidental operations.

Waterproof, dustproof, oxygen detection alarm suitable for environmental conditions
The ambient temperature ranges from -10 to 40 ℃;
● Altitude not exceeding 2000m;
The ambient atmospheric pressure ranges from 80kPa to 106kPa;
The relative humidity of the surrounding air is not greater than 98% (non condensing);
In an environment without corrosive gases or vapors that damage insulation;
Explosion proof type: intrinsic safety type; Explosion proof mark: ExibI.
Intrinsic safety power supply: standard single cell lithium manganese battery CR15H270;
The maximum open circuit voltage Uo of the battery is 3.0V, and the maximum short-circuit current Io is 7A;
The maximum working current of the detector (when in alarm) is 150mA;
Working time: 2 years (not in alarm or backlight off state);


Product Features
The O2-25 portable oxygen detector (hereinafter referred to as the detector) is an intrinsic safety detection and alarm instrument that can continuously detect oxygen concentration. The detector uses natural diffusion to detect surrounding gases, and adopts high-quality imported electrochemical gas sensors with excellent sensitivity and repeatability; The instrument adopts embedded microcomputer control, with simple operation, complete functions, and high reliability; LCD display, intuitive and clear, user-friendly interface, easy to operate; Built in vibration alarm function; Adjustable high and low alarm function, capable of displaying peak value, clock, temperature, etc; Extremely imbued with Chinese auspicious symbolism, the exquisite appearance design makes people feel small and beautiful.
The detector housing is made of high-strength engineering plastic and refined composite anti slip rubber, which has high strength, good hand feel, and is waterproof, dustproof, and explosion-proof.

The main purpose and scope of use of waterproof, dustproof and oxygen detection alarm
Mainly used for oxygen detection and over limit alarm in the surrounding air environment of underground engineering such as steel, petroleum, chemical, coal mine, underground pipelines, tunnels, etc.
Applicable to all operators, including professional technicians, operators, and leaders.