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OC-903

Portable gas detector

Operating Manual

Henan Oceanus Import & Export Co., Ltd.

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Summary of Contents for OC-903

Page 1: ...OC 903 Portable gas detector Operating Manual Henan Oceanus Import Export Co Ltd...

Page 2: ...1 Catalogue Notice 2 Description 4 Feature 4 Parameter 5 Structure 7 Operation instruction 7 Operation interface 9 Remarks 12 Fault Treatment 13 Data logger function 14...

Page 3: ...s OC 903 portable gas detector only available to detect the gas concentration when the pump on Treatment for the over measuring range Please avoid use the device in concentration which exceeds the mea...

Page 4: ...in a year About the Backlight instruction OC 903 with the electricity saver procedure when the device without any operation within 30s the detector will turn on the electricity saver procedure automa...

Page 5: ...er 32 bit microprocessor 24 bit ADC acquisition chip 2 4 inch IPS industrial grade color screen displaying each parameter It is able to select gas concentration unit of PPM VOL mg m3 For 1 4 gas detec...

Page 6: ...gas type will be according to your requirements Temperature and humidity Temperature 40 120 Humidity 0 100 RH Testing mode Pump suction inner pump adjustable flow rage 100 1000mL L min workable for t...

Page 7: ...et Gas List Some gas not list if need please contact manufacturer Gas Range Accuracy Resolution Response time Ex 0 100 LEL 3 F S 0 1 LEL 20s CH4 0 100 LEL 3 F S 0 1 LEL 20s O2 0 30 VOL 3 F S 0 01 VOL...

Page 8: ...esting interface Menu interface Setting interface Six keys will have different function in the three interfaces as the following Testing interface Menu interface Setting interface move to left or up m...

Page 9: ...ion when the pump on 5 2 Power on When power off long press key for 5s to activate the backlight and red indicator then beep then the detector power on Then the display will be sensor testing 3s senso...

Page 10: ...nt interface as the following picture displaying one gas two gas three gas four gas orderly As the above displaying time temperature pump running battery and humidity Take A for example for O3 CO CH2O...

Page 11: ...can turn on or off some one or more channel gas With the Pump flow rate can adjust the pump flow rate only need to setting under vacuum environment default is 30 With Temperature correction and Humidi...

Page 12: ...r into the target gas calibration interface slowly turn on the calibrate gas and control the flow rate within 500ml min observing the detector gas concentration now should be rising when the value up...

Page 13: ...e and round cycle time between the twice timing detecting Setting the timing detection need to back to the Detecting interface to press the Run stop key turn on the countdown to begin timing detection...

Page 14: ...e to normal value If still not normal then zero calibrate in clean air Response weak Reason Lower level of oxygen 5 VOL High pressure pump not work The sensor useful life end or other faults Solution...

Page 15: ...if not then need to change the charger if is 5V then need to send back to manufacturer for testing 9 Data logger OC 903 with the data logger function the charging port is the data output port the oper...

Page 16: ...time of history data should be in this period range 6 Click the search can find the above period gas concentration for the according channel gas the data also could be saved as the EXCEL form by click...

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