Advertisement
Quick Links
Advertisement
Related Manuals for Bosean Electronic Technology BH-4M
Summary of Contents for Bosean Electronic Technology BH-4M
- Page 1 BH-4M Portable Multi-gas Detector User Manual Bosean Electronic Technology Co.,Ltd ISO9001-2015...
- Page 2 Bosean Electronic Technology Co.,Ltd www.bosean.com 1. Brief Introduction BH-4M portable gas detector (hereinafter referred to as the detector) is an intelligent multi-parameter detector designed with advanced integrated circuit technology, standard design technology and proprietary digital-analog hybrid communication technology. The detector adopts natural diffusion or pump suction sampling method for gas sampling, and the sensitive element adopts high-quality gas sensor for gas detection.
- Page 3 Bosean Electronic Technology Co.,Ltd www.bosean.com selected, and 1 to 4 gas types can be detected at the same time. * Using miniature vacuum sampling pump, stable flow, long life and low noise. * It adopts a 2.0-inch high-definition color screen with a wide viewing angle of 120 degrees.
- Page 4 Bosean Electronic Technology Co.,Ltd www.bosean.com Technical Data Target Gas Range Low alarm High alarm Resolution 0～100%LEL 20%LEL 50%LEL 1%LEL 0～100ppm 10ppm 35ppm 1ppm 0～1000ppm 50ppm 150ppm 1ppm 0～30%vol 19.5%vol 23.5%vol 0.1%vol Other gases needed, please contact supplier Gas sampling method: Pump suction type, natural diffusion type Response time: Pump suction type T90＜30s, natural...
- Page 5 Bosean Electronic Technology Co.,Ltd www.bosean.com 4. Structure 4.1 Structure function comparison table 4.1 Detector structure It is mainly composed of shell, circuit board, battery, display screen, sensor, charger and other components. 4.2 Sensor working principle Electrochemical and catalytic combustion. 5. Function and operation 5.1 Power-on self-test and warm-up...
- Page 6 Bosean Electronic Technology Co.,Ltd www.bosean.com interface (as shown in Figure 1), and then the instrument performs the system initialization operation, and then performs the system self-check and pre-check (sound, light, vibration, channel, etc.) heat. When the preheating is completed, enter the main detection interface of the detector (Figure 2).
- Page 7 Bosean Electronic Technology Co.,Ltd www.bosean.com 5.3.1 Main interface function description a. Display the current date and time. b. Pump status indication. When the pump is normally turned on, the icon rotates and the color changes to green; when the air pump is normally closed, the icon does not rotate, and the color changes to gray.
- Page 8 Bosean Electronic Technology Co.,Ltd www.bosean.com When the gas concentration detected by the detector is lower than the set alarm value (Note: when the oxygen concentration is higher than the low alarm value and lower than the high alarm value), the detection status bar only displays the concentration Value, no abnormal display.
- Page 9 Bosean Electronic Technology Co.,Ltd www.bosean.com When the detector detects the gas concentration for 8 hours, when the calculated TWA value exceeds the set value, the gas concentration value display color changes to red, and the detection status bar displays "T".
- Page 10 Bosean Electronic Technology Co.,Ltd www.bosean.com be viewed on the interface (Figure 6). Single-click the right button to turn the "next page" page, click the left button to turn the "previous page" page, click the middle button to return to the Figure 5 interface, and click the left button to return to the main interface.
- Page 11 Bosean Electronic Technology Co.,Ltd www.bosean.com ICON Usage Return to the previous interface or status bar. To confirm the data or function, enter the next interface or status bar. The start operation of the setting object. The finish operation of the setting object.
- Page 12 Bosean Electronic Technology Co.,Ltd www.bosean.com 5.5 Main menu interface description As shown in Figure 8, click the left and right buttons to select the function icon. Click the middle button to enter the corresponding function interface. ICON Description Usage Channel setting It’s used to set the parameters of...
- Page 13 Bosean Electronic Technology Co.,Ltd www.bosean.com Figure 9 Figure 10 Figure 11 5.6.2 Alarm setting In the main menu interface of the detector, select the alarm setting icon and click the middle button to enter the alarm setting interface (Figure 12). The left side of the figure shows the gas options, and the right side shows the alarm settings.
- Page 14 Bosean Electronic Technology Co.,Ltd www.bosean.com Select the “calibration settings” icon in the main menu interface of the detector, click the middle button to enter the password input interface (Figure 14), follow the navigation bar prompts to set the operation, and enter “1111” to enter the customer calibration interface (Figure 15).
- Page 15 Bosean Electronic Technology Co.,Ltd www.bosean.com Figure 16 Figure 17 Figure 18 5.6.4 System setting Select the system setting in the main menu of the detector, and click the middle button to enter the system setting interface (Figure 19). The setting options include: time setting, backlight setting, language setting, pump setting.
- Page 16 Bosean Electronic Technology Co.,Ltd www.bosean.com 5.6.5 Device information Select the system information icon in the main menu interface of the detector, and click the middle button to enter the system information view interface (Figure 23). Click the middle button to return to the previous menu.
- Page 17 Bosean Electronic Technology Co.,Ltd www.bosean.com Undervoltage shutdown When the battery power is lower than the normal working voltage, the instrument enters an automatic shutdown countdown, and the instrument shuts down after the countdown ends (Figure 27). Figure 27 Note: Please try not to charge the tester when it is turned on, so as not to affect the charging speed;...
- Page 18 Bosean Electronic Technology Co.,Ltd www.bosean.com Uncalibrated for long Please calibrate it in time time Fault indication Battery voltage is Please charge it and reset of time used up time Strong Please reset time electromagnetism disturb Zero calibration Too much zero drift...
- Page 19 Bosean Electronic Technology Co.,Ltd www.bosean.com c. Please strictly follow the operation and use specifications in the manual, otherwise it may cause inaccurate test results or damage the instrument. d. This product must not be stored or used in an environment containing corrosive gases (such as high concentration of chlorine, etc.), nor in other harsh environments, including excessively high or...
- Page 20 Bosean Electronic Technology Co.,Ltd www.bosean.com Henan Bosean Electronic Technology Co.,Ltd. No.228,West 4th Ring,National High-Tech zone,Zhengzhou,China Tel: +86 371 86533226 Fax: +86 371 86533226 E-mail: sales@bosean.com Website: www.bosean.com Tel:86-371-86533226 Email: sales@bosean.com - 19 -...
Need help?
Do you have a question about the BH-4M and is the answer not in the manual?
Questions and answers