External probes for FH
40 G Survey Meter
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A rich choice of external probes can be connected to FH 40 G with cable.
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- Both values, from the external probe and the internal dose
rate detector are simultaneously measured !
For example:
- neutron and gamma measurement
- alpha/beta contamination and dose rate
- remote and local gamma dose rate
- local dose rate and dose rate 20 m under water
- Each probe is automatically identified by FH 40 G and
the correct parameters are set.
- For both values separate alarms can be set
- Cable length may be up to 50 meter
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List
of available external detectors for FH 40 G Survey Meter:
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Gamma
dose, dose rate detectors
FHZ 632 L 100 nano Sv/h up to 100 milli Sv/h
FHZ 612 wide range, up to 10 Sv/h - fits to telescope
FHZ 312 20m under water probe, high range up to 100 Sv/h
FHZ 302 20m under water probe, medium range up to 1 Sv/h |
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NaI
Scintillation detectors
FHZ 512
NaI 1"x1" light weight, fits also to telescope of FH 40 TG
FHZ 502 E NaI 2"x2" aluminium housing with holder
FHZ 502 P NaI 2"x2" rugged plastic housing
FHZ 503 E NaI 3"x3" similar to FHT 502E , increased
sensitivity
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Plastic
scintillation NBR detectors
FHZ 672 E aluminium housing with
"red - green information"
for detection of artificial gamma radiation |
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Neutron
detectors
FHT
752 BF3 detector, neutron dose
rate equivalent
according to ICRP 60
FHT 752 E BF3 detector, handy and lightweight
FHT 752 S BF3 detector, small
size & lightweight
fits to telescope of FH 40 TG
FHT 752 H He3 detector, neutron dose rate equivalent
according to ICRP 60
FHT 752 EH He3 detector, handy and lightweight
FHZ 752 SH He3 detector, small size
BF3 detectors: for excellent suppression of gamma radiation
He3 detectors: for increased neutron sensitivity |
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Contamination
detectors
FHZ 732 alpha+beta probe with 44mm diameter
sealed proportional counter
FHZ 742 alpha, beta probe with an area of 125
cm2
ZnS coated plastic scintillation detector
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