01/10 347 LB 444 K-40
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8 Technical Data
8.1 Evaluation Unit LB 444 K-40
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 V or 30 W
Temperature range: Operating temperature: 0 - 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 entry
of a freely selectable password .
Time constant: 0.5 – 9999 s with automatic reduction to 1/10 of the
values in case of sudden concentration changes (can be
turned off).
Adjustable response threshold for time constant
switchover.
Automatic decay compensation: for
241
Am,
137
Cs,
60
Co,
244
Cm,
85
Kr and
90
Sr .
Inputs/Outputs:
Detector connection 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 or
Restart after interruption of measurement due to
interfering radiation.
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
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