ORTEC
®
Detective-EX/DX
®
-100T Portable HPGe Spectrometer — User’s Manual 931040P / 1014
94
! ROI Peak Peak count stops data acquisition when any ROI channel reaches this value
(maximum value of 2
32
!1 counts [4 ×10
9
]).
! Data Overflow Terminates acquisition when data in any channel exceeds 2
31
!1
(2 ×10
9
) counts.
9.1. Electrical and Mechanical
Dimensions Maximum overall dimensions including handle, Ge detector endcap, neutron
detector and shock absorbers.
Detective-EX-100T: 39.4 cm L × 18.3 cm W × 34.9 cm H (15.5 in. × 7.2 in. × 13.1 in.)
Detective-DX-100T: 39.4 cm L × 16.3 cm W × 34.9 cm H (15.5 in. × 6.55 in. × 13.75 in.)
!Weight
Detective-EX-100T: 12 kg (26.3 lb).
Detective-DX-100T: 11.3 kg (24.4 lb).
Maximum Shock Tolerance 20 g. An accelerometer inside the instrument tracks the maximum
shock to which the Detective-EX has been subjected, and a shock in excess of 20 g will void the
warranty.
Ambient Operating Environment 0 to +40°C, at a relative humidity <90% at 35°C, non-
condensing.
Input Power 10 V to 17 V dc 30 W or from auto-sensing ac-powered battery charger.
External Power DC input and battery charge input, MS3112E12-10-S or Bendix PT02E-
12-10S connector.
Internal Battery Rechargeable, nominal 14.4-V lithium-ion battery pack. Contact ORTEC for
the appropriate replacement kit. Charging circuitry and battery management circuitry internal to
the docking station or PAC-II. Battery lifetime 3–5 years. Access door in right side panel of
case. The compartment is semi-sealed and protects against penetration of dirt and moisture. See
Chapter 10 for instructions on replacing the battery.
Battery Life >3 hours at 25°C when HPGe detector is cold. Battery life can be extended indefi-
nitely by the use of optional, external battery belt. The unit is expected to be kept running once
cold.
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