ORTEC
®
Detective-EX/DX
®
-100T Portable HPGe Spectrometer — User’s Manual 931040P / 1014
16
2.5. The Automobile Accessory Adapter
The Detective-EX is supplied with two automobile accessory adapters for use with a 12 V bat-
tery. One attaches to the POWER IN connector on either the docking station or the PAC-II, both
operating the Detective-EX and charging its internal battery. The other attaches to the Detec-
tive-EX’s rear-panel INPUT POWER connector and operates the Detective-EX but does not
charge the internal battery.
NOTE If the detector is warm, the power required to cool the detector can significantly
discharge a standard automobile battery.
To use an adapter cable:
! Plug the adapter end into a 12-V auto-mobile accessory socket.
! Connect the cable to the appropriate connector. If using the adapter cable that connects to
the docking station or PAC-II, plug it into the charger base’s POWER IN connector. The
internal battery will begin charging; if completely discharged, it will typically reach full
charge in 3–4 hours.
If using the adapter cable that connects directly to the Detective-EX, unscrew the dust
cap from the INPUT POWER connector on the rear panel; slide the coupling ring on the
male (cable-end) connector fully open; align the 5 keys on the male connector with the
slots on the rear-panel female connector; press to fully seat the male connector, then hold
it in place; and rotate the coupling ring approximately 1/8th of a turn clockwise until it
seats securely.
2.6. Internal and External Power
The Detective-EX uses power in these ways:
! The internal battery provides approximately 3 hours of operation. The internal battery
cannot be used to start the cooler or cool the detector from room-temperature; external
power is required. The transition from internal to external power is automatic and does
not interfere with data collection. Cooler startup without external power cause opera-
tional anomalies; these are discussed in troubleshooting Sections 7.5 and 7.6. An
exhausted internal battery should be charged for 2 hours before the Detective-EX is
cooled using external power.
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