BERTHOLD TECHNOLOGIES LB 444, Operating Manual

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04/03
347
LB 444
72
Analog output: 0/4 - 20 mA isolated (max. 500 Ω ) for measured value
Limit value outputs: 2 relay outputs for measured value max. / min.,
detector temperature, mass pulse, correlation freely
selectable;
1 relay output for collective failure message
Loading capacity:
AC: Max. 250V, max. 1A, max. 200VA
DC: Max. 300V, max. 1A, max. 60 W non-reactive load
Current input: 0/4 - 20 mA
for input of temperature signal or
volume current signals.
Interfaces: RS 232 port for data transfer from evaluation unit to
printer or PC
9.2 Detectors
LB 4401.. : Scintillation counter with NaI (Tl) crystal 25/25, 40/35,
50/50 or 44/5.
Stability: ± 0.1 %
Protection type: Ex II2G EEx ib d IIC T6 or EEx de IIc T6 / IP 65
LB 5401.. : Scintillation counter with NaI (Tl) crystal 25/25, 40/35,
50/50 or 44/5.
Stability: ± 0.1 %
Protection type: IP 65
Housing: Stainless steel housing
Pt 100 input at detector:
For measurement of the product temperature, 2-wire
ex protection, EEX ib IICT6
zero adjustment via software, temperature range:
-20 to +200°C
Cable entrance: M16 for external cable diameters 7...10 mm for connec-
tion cable detector – evaluation unit and M 12 for ex-
ternal cable diameter 7...10 for connection of Pt 100
Temperature range:
Operating temperature: -20 to +50°C. A water cooling device is available for
higher temperatures. Monitoring of detector tempera-
ture and alarm if max. permissible temperature is ex-
ceeded.
Storage temperature: -40 to +70°C