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BH-4S

Portable Multi-gas Detector
User Manual

Ver：BSA20150424001

Bosean Electronic Technology Co.,Ltd

ISO9001-2008

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Summary of Contents for BH-4S

Page 1: ...BH 4S Portable Multi gas Detector User Manual Ver BSA20150424001 Bosean Electronic Technology Co Ltd ISO9001 2008 ...

Page 2: ...und channels or mining industry so as to protect the workers life and avoid damage on the relevant equipments 1 Main features Natural diffusion sampling method and high sensitivity sensor with high sensitivity and repeatability 32 bit built in MCU high reliability and self adaptation ability Full functions easy operation CSTN colorful LCD more intuitionistic abundant and clear indication Compact d...

Page 3: ...nts 2 3 Principle Electrochemical and Catalytic sensor 3 Technical Data Target Gas Range Low alarm High alarm Resolution LEL 0 100 LEL 20 LEL 50 LEL 1 LEL H2S 0 100ppm 10ppm 35ppm 1ppm CO 0 999ppm 50ppm 150ppm 1ppm O2 0 30 vol 19 5 vol 23 5 vol 0 1 vol Other gases needed please contact supplier Gas sampling method Natural diffusion Detecting gas Combustible gas H2S CO O2 No Name No Name 1 Alarm li...

Page 4: ...ry 2000mAh Charging time 6h 8h Working time 8h continuously without alarming Gas Sensor Life 2 years Explosion proof grade Ex ib IIB T3 Gb Protection Grade IP65 Weight Appr 400g with battery Dimensions 130mm 67mm 30mm L W H 4 Operation Function 4 1 Turn on Press the button for 3s and then release it After the buzzer gives short sound once the detector is turned on After 10 seconds it enters detect...

Page 5: ...ssued a beep sound the LCD screen prompts the user to shut down the interface shown in Figure 2 the user through the keys to select whether to shut down if you choose to shut down the screen no longer display any information the detector into the shutdown state Fig 2 4 3 Button function Detector in the normal detection state as shown in Figure 3 Fig 3 21 18 04 40 SHUT DOWN YES NO ...

Page 6: ...he normal state No alarm at this state 4 3 2 When the detected gas concentration is higher than the preset low alarm value and less than the high alarm value Note when the oxygen concentration is lower than the low alarm value the detector is in a low alarm state the buzzer sends out every 1s beep beep alarm sound the red light flashes synchronously and the gas concentration value on the screen ch...

Page 7: ... gas concentration value is displayed on the screen The color becomes red the back light and the vibrator are also on indicate high alarm press key to mute but still Display alarm information Until the new alarm is triggered the buzzer is resumed and the alarm light the vibrator are restored When the detector detects the gas concentration value below the low alarm value the gas concentration value...

Page 8: ... battery percentage battery power date and temperature Note The alarm sound above can be manually cleared by pressing the key After clearing the alarm information is still displayed normally If the alarm is triggered again the corresponding alarm sound information can be issued again 4 4 Use and set functions The detector has a total of alarm record function gas concentration curve display gas par...

Page 9: ...hecking As shown in the following table Sensor Type Value No Remark O2 H 30 1 4 Current Total Ex H 80 2 4 Current Total H2S H 58 3 4 Current Total CO L 127 4 4 Current Total 2016 06 16 12 15 35 Alarm time The alarm log value is the maximum alarm value in the alarm interval O2 is the lowest The maximum number of record groups is 500 b Curve display function The detector in the normal detection of t...

Page 10: ... detection mode press key to enter the menu then press key to select the setting of gas parameters calibration calibration zero language settings information view back light settings time setting function These function menus can be displayed cyclically and can be selected by cursor movement The menu function is as follows Description Operation Return Press key to move the cursor to the return fun...

Page 11: ...t interface input four passwords as shown in Figure 8 the user can press to move the cursor input the password by key sensor parameters as shown in Figure 9 Fig 10 Fig 11 2 Gas parameters setting Parameter settings include gas type unit select high alarm and low alarm range settings As an example with Ex as shown in Figure 10 use the key to select the gas type Ex press the to enter Ex gas paramete...

Page 12: ...odify the cursor to move to the last press the key to return to the previous menu Warning 1 zero calibration please ensure make it in the clean air otherwise will affect the accuracy of gas detector 2 the detector have been made calibration with standard gas in factory the user should not operate this Fig 15 4 Language In the menu function interface select the language press the key you can see th...

Page 13: ... 7 Time set In the menu function interface select the time enter it as shown in the figure 18 press the key to move the cursor use the key to set the current system time press the key return to the main menu 4 4 4 Alarm information The following table shows the details of each alarm Alarm type Display Low alarm Slowly tweak the alarm tone The alarm indication is yellow The red alarm light flashes ...

Page 14: ... charging status the detector can t detect the gas leakage Please do not try to charge it at testing places to avoid fire or explosion Please do not charge it when the detector is working to avoid potential damage Note Make sure full charge for at least once within 3 months since production date 5 Possible fault and corresponding solution Possible fault Possible reason Corresponding solution The d...

Page 15: ...ensor Minus gas level displayed Gas sensor drift Calibrate zero point Sensor fault indication Sensor fault Please contact the manufacturer or dealer to replace the gas senor 6 Notices 6 1 Falling down from high places or strong shake is prohibited 6 2 The detector may not work properly at interferential high concentration gas 6 3 To avoid incorrect result or possible damage to the detector please ...

Page 16: ...detector should be calibrated periodically And the calibration period should be less than one year 6 7 Please put the used Lithium batteries to the appointed places or send to our company Don t discard them into the dustbin at random 7 Standard accessories Suit case packaging 1pc Charger 1pc Calibration cap 1pc Communications cable 1pc User manual 1pc Henan Bosean Electronic Technology Co Ltd No 2...

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