The FH 40 G is a versatile multipurpose Geiger counter and area monitor that can be used with external detectors for portable and remote area monitoring applications.
Short summary of available plug and play probes:
The FH 40 G instrument is available in different versions:
FH 40 G
Measured Quantity: Roentgen (R)
Measuring Range: 1 µR/h ... 100 R/h
Energy range: 36 keV ... 1.3 MeV
Dose measuring range: 10 µR - 1000 R
FH 40 G-L
Measured Quantity: Roentgen (R)
Measuring Range: 1 µR/h ... 10 R/h
Energy range: 36 keV ... 1.3 MeV
Dose measuring range: 10 µR - 100 R
FH 40 G-10
Measured Quantity: Sievert (Sv; Ambient dose equivalent rate H*(10))
Measuring Range: 10 nSv/h ... 1 Sv/h
Energy range: 30 keV ... 4.4 MeV
Dose measuring range: 100 nSv ... 10 Sv
FH 40 G-L10
Measured Quantity: Sievert (Sv; Ambient dose equivalent rate H*(10))
Measuring Range: 10 nSv/h ... 100 mSv/h
Energy range: 30 keV ... 4.4 MeV
Dose measuring range: 100 nSv ... 1 Sv
FH 40 G-X
No internal detector, operation of external plug and play probe only
General specifications of all FH40G units
Dimensions 7.7 x 2.9 x 1.7 in. (195 x 73 x 42mm)
Weight[s] 0.9 lb. (410g)
Battery type: 2 x AA
Neutron dose rate measurement: FHT 762 WENDI-2, FHT 772 H-2 REMBALL
Neutron search probes: FHT 752 SH-2 (He-3, 2bar)