Care And Maintenance; Daily Check And Maintenance Items; Consumable Supplies - Fuji Electric NRF51 User Manual

Electronic personal dosimeter (for gamma(x)-ray and neutron)
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Check the NRF51 as specified below to ensure quality of the product performance.

Daily check and maintenance items

7.1
No
Check items
1
Appearance
2
Indication error/
calibration

Consumable supplies

7.2
Please Contact Fuji Electric representative for the following consumables.
No
Parts name
1
Battery cap
2
USB connector cap
3
Clip

Care and Maintenance

7.
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.
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
Replace criterion
2 years
2 years
When clip is broken
Procedures
Drawing number
TQ403907C1
TQ504089C1
TQ403901C1
Check point
No signs of crack,
damages or breakage on
the case. No signs of
gap between case and
battery cap.
If indication error is
greater than 10%,
please configure
calibration factor
correctly. If the error is
unusually large, please
contact Fuji Electric
representative.
remarks column
TN5A4215b
49/58

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