LUDLUM 9DP-1 User Manual

MODEL 9DP-1 Operator’s Manual
Ludlum Measurements, Inc. 4 December 2015
Display Ranges: (auto-ranging)
With Sv/h units:
With R/hr units:
With Gy/h units:
0-50 µSv/h
0-5 mR/hr
0-50 µGy/h
0-500 µSv/h
0-50 mR/hr
0-500 µGy/h
0-5 mSv/h
0-500 mR/hr
0-500 mGy/h
0-50 mSv/h
0-5 R/hr
0-50 mGy/h
0-500 mSv/h
0-50 R/hr
0-500 mGy/h
Minimum Display: 0.01 μSv/h (0.1 µR/hr, 0.01 μGy/h)
Chamber Volume: 220 cc (13.4 in
3
) volume pressurized to 1.36 atmospheres (20
psi)
Density: chamber wall density is 601.7 mg/cm
2
, can wall density is 332.5
mg/cm
2
. Total density of chamber and can combined is 934.2 mg/cm
2
.
Accuracy: ±10%
Angular Dependence: less than 2% change, relative to the front of the
instrument ±90° for
137
Cs. See figure below.
Magnetic Field Testing: per ANSI 42-17A-2003, ≤ 15% change in readings
when placed into a magnetic field 800 A/m, rotated on three axes

LUDLUM 9DP-1 Specifications

General

Brand	LUDLUM
Model	9DP-1
Category	Measuring Instruments
Language	English