Calibration:
Riken Keiki provides on-site calibration services.
Sensor Replacement:
Sensors degrade and need to be replaced. Riken Keiki’s maintenance includes sensor diagnostics to ensure that gas detection systems remain operational.
Preventive Maintenance:
Riken Keiki provides predictive maintenance services to reducing unplanned downtime and enhancing operational efficiency.
Maintenance Service:
Gas detectors must undergo maintenance and inspections at regular intervals to ensure performance and to maintain disaster prevention and safety reliability.
For more information on maintenance and inspection specifics, please refer to the corresponding product instruction manual.
Some typical maintenance details are described below.
| Maintenance | Daily | Monthly | Regular |
|---|---|---|---|
| Power supply check Check to confirm that the power lamp is lit. |
○ | ○ | ○ |
| Concentration display check Confirm that the concentration readout is zero ([20.9] (vol %) for oxygen). If the reading is offset, confirm that no interference gas is present in the vicinity and perform zero calibration (air calibration). |
○ | ○ | ○ |
| Flow check Check the flow display and confirm the absence of any abnormalities. |
○ | ○ | ○ |
| Filter check Check to confirm that the dust filters are not dirty or clogged. |
○ | ○ | ○ |
| Alarm test Use the alarm test function to check the alarm circuit. |
○ | ○ | |
| Calibration Perform calibration using a calibration gas. |
○ | ||
| Gas alarm check Check the gas alarm using a calibration gas. |
○ |
Daily maintenance: Perform maintenance before work.
Monthly maintenance: Inspect the alarm circuit (alarm test) once a month.
Regular maintenance: Perform maintenance at least once every six months to ensure safety performance.