WTA528774 25/31
7. Care and Maintenance
Check the Dosimeter as specified below to ensure quality performance.
7.1 Check procedures
№
Check items
Procedures
Check point
1
Joint line of the battery
cap.
Visually check the joint line.
When to check: Before use and after battery
replacement.
Check purpose: To avoid contamination of the
Dosimeter by moisture or dust.
The cases should be
tightened
and
fixed
together. No sign of
gap should be found.
2
Crack to the dosimeter.
Visually check the joint line.
When to check: Before use and after battery
replacement.
Check purpose: To avoid contamination of the
Dosimeter
by
moisture
or
dust.
To
avoid
deteriorations of the capabilities in a waterproof
and a resistance of
radio wave.
No sign of crack should
be found.
3
The surface is clean
Wipe the dosimeter surface with dry cloth or soft
brush. Also wipe the communication port.
When to check: After use in environment where
dust, chemical fumes and etc. are present.
Check purpose: To prevent operation mistake.
The dosimeter surface
should be clean.
If dirt cannot be removed,
please contact us.
4
Battery cap (With O-ring)
Recommend a replacement periodically
When to replace: Every 2 years or when replaces a
battery.
Replacement purpose: To keep waterproofing.
Battery cap has
elasticity.
5
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 optimize the dose equivalent
management and to avoid exposure accidents.
If indication error is over
10%, please contact us for
calibration.
7.2 Consumable supplies
Please contact our agency.
1. Battery CR123A
: Order from 1 unit.
2. Battery cap with O-ring
: Order from 1 unit.
Содержание NRF30
Страница 1: ...WTA528774 1 31 User s Manual Electronic Personal Dosimeter For Gamma X ray NRF30 Fuji Electric Co Ltd...
Страница 28: ...WTA528774 28 31 8 4 Angular of incidence 8 4 1 For 137 Cs on phantom 8 4 2 For 241 Am X ray 56 2 keV on phantom...
Страница 29: ...WTA528774 29 31 8 4 3 Angle of incidence for 137 Cs in Free air 8 5 Ambient temperature...