Technical Specifications Polimaster PM1603A/B PM1604A/B
Detector: Geiger-Mueller-counter tube
Indicating range for dose rate equivalent:
PM 1603A/PM 1604A:
PM 1603B/PM 1604B:

0.01 µSv/h .. 6.5Sv/h
0.01µSv/h .. 13Sv/h
Adjustment range for threshold of dose and dose rate (each two thresholds):
(Adjustment step:)
Whole measurement range

smallest unit
Max. realtive intrinsic error for dose rate in the range of:
1 µSv/h .. 5 Sv/h (PM1603A/PM1604A)
1 µSv/h .. 10 Sv/h(PM1603B/PM1604B)

±(15 + 0.02/H + 0.003H)
±(15 + 0.02/H + 0.002H)
H means dose rate equivalent
Indicating range for dose equivalent:
Measurement range for dose equivalent:
0.01 µSv .. 9.99 Sv
0.1 µSv .. 9.99 Sv
Max. relative intrinsic error for dose equivalent: ±15%
Energy ranges:
for PM1603A / PM1603B
for PM1604A / PM1604B

0.048 .. 3MeV
0.048 .. 6 MeV
Energy dependency for 0,662 MeV (Cs-137):
for PM1603A / PM1603B
for PM1604A / PM1604B

< ±30% (0.048 .. 3MeV)
< ±30% (0.048 .. 3MeV)
< ±50% (3.0 .. 6MeV)
Able to operate within 5 minutes after short gamma irradiation at the max. allowed dose rate of:
for PM 1603A/PM1604A
for PM 1603B/PM1604B


50Sv/h
100 Sv/h
Additional functions: Alarm clock, timer, stop watch, calendar
Calendar mode: Day, date, month, year
Range for adjustable time spans for timer:
Range of the measureable time spans for the stop watch:

1s .. 23h 59min 59s
0.1s .. 23h 59min 59s
Accuracy for clock at standard conditions: ±5s/day
Power supply: 1 Lithium-cell type CR2032
Battery lifetime:
9 months
Indication of the running and critical battery discharge:
Indication on LC-display
Allowed operating conditions:
Ambient temperature:
Rel. humidity at 35°C:
Air pressure:

-30 .. +70°C
up to 98%
84 .. 106.7kPa
Degree of protection (housing): IP67
Water proof (at short dipping): down to 1 meter
Dimensions:
with clip:
50 x 56 x 19 mm
50 x 90 x 19 mm
Weight (incl. battery): 85g
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