RIKEN KEIKI products
RIKEN KEIKI is committed to creating products with enhanced self-diagnostic functions to minimize daily inspection items and ensure a more reliable environment to enable users to use our products with confidence.
Daily maintenance case studies
Portable gas detectors
Battery level and concentration display check
① Battery level check
・ Check that the battery level is sufficient.
② Concentration display check
・ Measure fresh air and check to confirm that the reading is zero (20.9 % with oxygen meter).
・ If the reading is offset, confirm that there is no interference gas in the vicinity, then perform zero adjustment (fresh air adjustment).
Filter check
・ Check to confirm that the filters are not dirty.
③ If OK: They can be used if not dirty.
④ If not OK: Contact RIKEN KEIKI if dirty.
Fixed gas detectors
Power supply and concentration display check
① Power supply check
・ Check that the power supply lamp is lit.
② Concentration display check
・ Measure fresh air and check to confirm that the reading is zero (20.9 % with oxygen meter).
・ If the reading is offset, confirm that there is no interference gas in the vicinity, then perform zero adjustment (fresh air adjustment).
Flow rate check (OK)
③ Check the flow rate indication to confirm the absence of abnormalities.
Flow rate check (flow rate error)
④ The filter or pump needs to be replaced.
Replace with new items, or contact RIKEN KEIKI.
Filter check
・ Check to confirm that the filters are not dirty.
⑤ OK: They can be used if not dirty.
⑥ If not OK: If dirty, replace with new items, or contact RIKEN KEIKI.