Overview
BH-90-NH3 is a Portable single Gas detector of BOSEAN brand. It adopts 8-bit micro control technology, which has the characteristics of fast Response speed, high Measurement accuracy, good Stability and Repeatability, and simple operation. Compact size, with high waterproof performance, built-in 1500mA rechargeable lithium battery, supports super long standby, equipped with 12864 point array LCD display technical indicators and gas concentration values, supports historical alarm data viewing and Data storage functions.
Features
1. Mainstream 8-bit micro control technology, Fast Response, High Measurement accuracy, Good Stability and Repeatability
2. Compact size, with high waterproof performance, can withstand the test of harsh environment
3. Bring your own flashlight to facilitate temporary work in a dark environment
4. Built-in 1500mA large-capacity rechargeable lithium battery, long standby
5. Adopt 12864 point array LCD screen, clear display, you can view historical alarm data
6. Data storage function to store 1000 alarm records
7. Support more than 30 kinds of Sensors, flexible configuration, can be customized according to customer needs gas
Principle
Sampling method using diffusion, the built-in Sensor to detect the gas concentration, when the concentration reaches a preset alarm point, through sound, light, vibration alarm. The instrument uses micro-control technology to process data, and displays the gas concentration value and system status in real time on the LCD screen.
Applications
Explosion-proof, toxic gas leakage rescue, underground pipelines, mines, metallurgy, power plants, chemical industry, tunnels, tunnels
Standards
Exib ⅱ B T3 Gb, Preparation No. 01000158
Steps
1. Turn it on to check the status of the instrument.
2. Select the gas range as required
3. Place the instrument in the test environment for testing
4. Observe the gas concentration value displayed on the LCD screen
5. When an alarm occurs, take appropriate measures according to sound, light, and vibration prompts
6. Charge in time after use to ensure that the battery is fully charged
Notice
• Operating ambient temperature range -20~ 50 ℃, Humidity 0~ 95% RH non-condensing
• Avoid use in extreme environments to prevent affecting instrument performance
• Regularly check the life of the Sensor, the life of the Sensor is 24 months
• The charging time is 4h~ 6h, please use the designated charging device.
• Instrument Protection Rating is IP65, but long-term immersion in water should be avoided
• The alarm point is 20ppm low and 50ppm high, please do not modify it without authorization
Store alarm records for 1000 sets and export data regularly to prevent loss
• Instrument weight about 130g (excluding portable Accessories), pay attention to anti-drop when carrying
• Display error ≤ +/- 5% FS, Response Time T < 30s, pay attention to the accuracy of the reading when using
