FH- 40G Series Multipurpose Survey Meters

Dose rate equivalent Hx:10 nSv/h to 100 mSv/h
Exposure rate 1 μR/h to 10R/h
Air Kerma rate 10nGy/h to 100 mGy/h
Energy Range 36 keV - 1.3 MeV
Polar Response -90 to +90 (+/-20% for energy greater than 65 keV)

GENERAL
Overrange At 100 Sv/h no display decrease
Alarm Thresholds Dose rate 0 to 9.9 R/h (0 to 99 mSv/h);dose 0 to 1000 R (0 to 10 Sv)
Audible 80 db at 30 cm
Interface RS-232, infrared
Interference Electromagnetic/RF shielded case EN50 081-1, EN50 082-2
Batteries 2 standard “AA”, 250 hours with Alkaline, 500 hours with Lithium
Operating Temperature -30OC to 55 OC (-22 OF to 131 OF)
Storage Temperature -40OC to 70OC (-40OF to 158 OF)
Size 195 x 73 x 42 mm (7.7 x 2.9 x 1.7 in)
Weight 453 g. (1 lb) FH40GL, with batteries