Fuji Electric NRF51 - Care and Maintenance; Daily Check and Maintenance; Consumable Supplies

TN5A4215b 49/58
7. Care and Maintenance
Check the NRF51 as specified below to ensure quality of the product performance.
7.1 Daily check and maintenance items
No
Check items
Procedures
Check point
1
Appearance
Check the NRF51 visually.
When to check；Before use and after battery
replacement
Check purpose；Check if there is no abnormality with
the case and battery cap.
No signs of crack,
damages or breakage on
the case. No signs of
gap between case and
battery cap.
2
Indication error/
calibration
To confirm the indication error within 10% to the
reference dose equivalent using Cs-137.
When to check: 1 year or less
Check purpose: To ensure a valid dose measurement
by dosimeter
If indication error is
greater than 10%,
please configure
calibration factor
correctly. If the error is
unusually large, please
contact Fuji Electric
representative.
7.2 Consumable supplies
Please Contact Fuji Electric representative for the following consumables.
No
Parts name
Replace criterion
Drawing number
remarks column
1
Battery cap
2 years
TQ403907C1
2
USB connector cap
2 years
TQ504089C1
3
Clip
When clip is broken
TQ403901C1