Kemaolong has reverse engineering master technical information through the product, and can provide the product of the PCB PCB design, copy board, chip decryption, prototype production, debugging and other services to meet customer needs. At the same time, we will according to the change of market demand and the upgrading of products, improve the product function upgrading and expansion, to provide customized services to our customers, we look forward to sincere cooperation with our customers. Portable oxygen detection alarm is a kind of intrinsically safe detecting and alarming instrument which can continuously detect oxygen concentration. The natural diffusion detection of ambient air by the detector, using high quality imported electrochemical gas sensor, with excellent sensitivity and good repeatability; the instrument adopts the embedded microcomputer control, simple operation, complete function, high reliability; liquid crystal display, intuitive and clear, friendly interface, simple operation; built-in vibration alarm function can be adjusted; the level of alarm function, can display the peak temperature, clock, etc.; with Chinese auspicious style exquisite appearance design make people feel beautiful.

Portable oxygen detector alarm function

Use LCD liquid crystal to display the current gas concentration in real time;

Adjustable high and low alarm points;

• have the function of self checking, automatic calibration and automatic zeroing;

Battery undervoltage indication; clock and temperature display;

• sensors and batteries can be replaced;

Sound, light and vibration alarm;

Password management function, password verification is needed during the calibration, which can effectively prevent misoperation.

Portable oxygen detection alarm condition

Environmental temperature is -10 ~ 40 degrees centigrade;

The elevation is not more than 2000m;

The ambient atmospheric pressure is 80kPa to 106kPa;

The relative humidity of the surrounding air is not greater than 98% (non condensing);

• in an environment where there is no damage to insulating, corrosive gases or vapors;

Explosion proof type: intrinsically safe mine; explosion proof sign: ExibI.

Intrinsically safe power supply: standard single lithium manganese battery CR15H270;

The maximum open circuit voltage is Uo:3.0V, and the maximum short-circuit current is Io:7A;

Maximum operating current of detector (alarm) 150mA;