04/03 347 LB 444
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9. TECHNICAL DATA
9.1 Evaluation Unit LB 444
Assembly: 19" module 3 HE, 21 TE; Protection type IP 20
Power supply: 115 V ± 10%, 230 V ± 10%, 18-32 V AC/DC
Power consumption: approx. 30 VA or 30 W
Temperature range: Operating temperature: 0 to +50°C; no condensation
Storage temperature: -40 to +70°C
CPU: 32 bit computer, data storage in FLASH E-PROM.
Weight: approx. 2 kg
Display: LCD display with 4 x 20 characters, illuminated
Data input via keyboard
Softkey guided dialog
Languages: German, English
Data editing possible only after password entry.
Time constant: 0.5 – 9999 s with automatic reduction to 1/10 of the
values in case of sudden density changes (can be
turned off)
Adjustable response threshold for time constant switch-
over.
Automatic decay
compensation: For
241
Am,
137
Cs,
60
Co,
244
Cm,
85
Kr and
90
Sr.
Inputs/Outputs:
Detector terminal: Ex II (2) G [EEX ib] II B or Ex II (2) G [EEX ib] II C
Digital inputs: 2 digital inputs for external product selection
1 digital input for
external start/stop of measurement:
start/Stop in batch mode
stop of continuous measurement
restart after interruption of measurement due to
interfering.
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