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checked seriously by our company according to requirements. We promise that the
products conform to the relevant standards and laws and regulations of national
and industry.

The customer who purchases the instrument of our company enjoys 12

months warranty period. In the process of using, the user should abide by the
application instructions, if the damages which is caused by the improper using, or
the harsh working environment in the warranty period, the company would not be
responsible for it. If the machine cannot work because of the quality problem, our
company would maintain or change in free for the user. The company would
accept the production cost after one year.

Product specification

Name

Description

Products name:

OC-905

portable gas detector

Working principle
Detecting principle

Electrochemistry, infrared detection, PID, thermal conductivity, catalytic
combustion

Display mode:

2.5 inch Lattice LCD liquid crystal digital display

Backlight:

Highlight white LED backlight

Display unit:

Optional units: %VOL

%LEL

PPM

PPH

PPB

mg/m

3

Alarm method:

Sound-light alarm, double color LED alarm light, sound

75dB@25cm

Accuracy:

≤±3% (actual concentration, the higher accuracy requirements is
determined according to the performance of the sensor.

Preheating time:

≤60 seconds

Data storage function:

More than 200,000 group of data, transmitted to computer by USB port

Body material:

Shell: aluminum alloy, strong, wear-resisting, anti-corrosion

Working mode:

Pump/ diffusion type

Operation mode:

Press key (the key life is 200 thousand times)

Working temperature:

-20

℃~

+60

(the special requirements can be customized)

Working humidity:

≤95%RH, no condensation (humidity >90%RH, the condensation can
match the filter)

The relative humidity:

10%

95%RH, no condensation

Содержание OC-905

Страница 1: ...OC 905 Portable gas detector Operating Manual Henan Oceanus...

Страница 2: ...ge accessories arbitrarily and does not conform to the above mentioned manual the operator shall be responsible for the reliability of the instrument And this company is not responsible for the warran...

Страница 3: ...adopts the full metal shell OC 905 adopts the brand new imported sensor and 32 bit low power processor the circuit adopts four wiring which has a good effect on anti interference and week signals the...

Страница 4: ...to disassemble this instrument voluntarily in order to guarantee that the using of the detector is safe and reliable Please do not put this detector in the high temperature moist or strong static envi...

Страница 5: ...ept coal mine and GB50257 1996 the relevant regulations of the explosion of the installation works of electrical equipments and the construction of electrical installation in the fire dangerous enviro...

Страница 6: ...press shutdown key In the measuring process if some parameters of the machine need to be set enter into the menu interface to set The specific operation process is as follow 3 1 Startup In shutdown mo...

Страница 7: ...ry capacity b In the second line co2 is the gas type and the machine display the different name for the different gas types c In the third line the big character 850 6 is the air concentration value t...

Страница 8: ...h has the storage data function g 7 RESTORE SET restore factory setting the parameter setting of factory can be restored h 8 ABOUT OC 905 some information which is related to this machine such as vers...

Страница 9: ...erface Note the one level alarm value cannot be bigger than the second level value and the alarm value cannot be bigger than the scale span value 3 5 2 Time and date setting On the menu interface pick...

Страница 10: ...ter picking on the calibration setting menu the system would enter into the password interface firstly and put into password 88 and then enter into the calibration interface On the calibration interfa...

Страница 11: ...alibration interface make the zero cleaning operation This operation is made on the situation that there is no object gas 2 The span calibration needs the participation of the object gas if customer d...

Страница 12: ...d 10 minutes After choosing the corresponding storage time internal press confirmation key and open the storage function If the measuring is completed choose OFF again and then press confirmation or O...

Страница 13: ...uccessfully the interface would display MKFS OK or would display MKFS ERR Choose BACK to return and also can press return key to return Note 1 This function is only valid to the machine which has the...

Страница 14: ...V Basic calibration The product has been calibrated before leaving factory If the user has the calibration conditions they can make the periodic calibration according to the manual in the process of u...

Страница 15: ...g principle Detecting principle Electrochemistry infrared detection PID thermal conductivity catalytic combustion Display mode 2 5 inch Lattice LCD liquid crystal digital display Backlight Highlight w...

Страница 16: ...12 hours The continuous working 12 hours normal temperature electrochemical sensor Power consumption 0 5W Working pressure 86kPa 106kPa Weight About 0 46 Kg Explosion proof sign Exd ib IIC T4 Gb Prot...

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