Riken Keiki RX-8000, Руководство по эксплуатации

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6 Maintenance 6-2. Gas calibration
RX-8000
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6-2. Gas calibration
Perform span adjustment of sensors using a calibration gas at least once every six months.
The span adjustment requires dedicated equipment and a calibration gas. Request RIKEN KEIKI for it.
<Required Equipment/Material>

Calibration gas (low-concentration combustible gas for %LEL and high-concentration combustible gas
for vol%)

Calibration gas (nitrogen gas for O2)

Set of gas sampling bags (for %LEL and vol%)

Set of gas sampling bags (for O2)
<Connection>
Connect the equipment as shown below to perform the span adjustment.
Gas
sampling
bag
Main unit
RX-8000
GAS IN
GAS OUT
Exhasut booth or collect gas with sampling bag.
WARNING
About the span gas
The span gas is a hazardous gas (combustible, toxicity, oxygen deficient, etc.). Handle the gas and
related jigs and tools with due care.
* Inhaling the gas must be avoided, the gas sampling bag must be free of holes, etc.
About the place for span adjustment

Perform span adjustment where no silicon, organic solvent, spray can gases, etc. is used.

Perform span adjustment indoors at normal temperatures without remarkable fluctuation (within
±5°C).

Perform span adjustment in an exhaust booth or collect exhaust gas with sampling bag.
CAUTION
The gas outlet (GAS OUT) must be left open without any pipe connected for atmosphere release.