Section 10 Technical Data
87
Detector code in () can be used to reduce the back-
ground. Any change in the detector code requires a
new calibration.
LB 54X1 :
Scintillation counter with NaI (Tl) crystal 25/25, 40/35
or 50/50.
Stability :
±
0,1 %
without Ex
Type
Crystal size
mm
Weight
kg
Detector
code
LB 5421-02
40/35
18
0
LB 5401-03
50/50
18
0
LB 5481-06
44/5
4
(1) 7*
* Detector code 7, valid from detector software 1.02
(delivery date Feb. 2000)
Protection type:
IP 65.
Housing:
Stainless steel housing.
Cable entry:
M16 for external cable diameter 7...11 mm.
Scintillators:
NaI (Tl) crystal
Size: 25*25mm, 50*50mm, 40*35mm, 44*5 mm.
Stability :
±
0,1 %
Photomultiplier:
EMI
HV generation:
Voltage range control 500 V to 1500 V
Counter:
Rate max. 524 000 CPS
Temp. measurement:
via NTC, accuracy: ±3°C
Operating temp.:
- 40 to + 60°C. For point detectors
- 40 to + 55°C. For point detectors
A water cooling device is available for higher tempera-
tures.
Monitoring of detector temperature and alarm when
exceeding the max. permissible temperature.
Storage temp.:
-50 to + 70°C for point detectors
-50 to + 55°C for rod detectors
Input voltage:
+11 to16 V DC
Power consumption:
Typically 60 mA
Max. 90 mA
Feed voltage:
Typically 13.6 to 14.1 V
Housing sealing:
IP65
Screwed cable gland:
M16, external cable diameter: 6 to 10 mm
Cable
e.g. 2 * 1 square, outside: 6.3 mm (Ölflex 110 blue)
Cable resistance, 2-wire: 39 Ohm/km
or
2 * 1.5 square: 26,6 Ohm/km
2 * 2.5 square: 16 Ohm/km
Содержание LB 442
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Страница 126: ...13 1 Certificates 124 13 1 3 ATEX Certificate for Wall Housing...
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Страница 129: ...Section 13 Appendix 127 13 1 4 Declaration of Conformance...
Страница 132: ...13 3 Tachometer Installation 130 13 3 Tachometer Installation...
Страница 133: ...Section 13 Appendix 131...
Страница 134: ...13 3 Tachometer Installation 132 13 3 1 Tachometer...
Страница 138: ...13 4 Mechanical Drawings 136 13 4 4 Free Fall Measurement...
Страница 139: ...Section 13 Appendix 137 13 4 5 Point Detector...
Страница 145: ...Section 13 Appendix 143 13 4 11 Evaluation Unit...
Страница 148: ...13 5 Wiring Diagram 146 13 5 3 19 Frame...