Technical data
117
POWER SUPPLY
Voltage
230V
~
(-15%/+10%) 50 ... 60 Hz
switchable
115V
~
(-15%/+10%) 50 ... 60 Hz
(Overvoltage category III)
Nominal power consumption
Model
Nominal power consumption
LF 171 (Standard)
13 VA
LF 171 R
15 VA
LF 171 RS
15 VA
LF 171 R/RS
20 VA
Behaviour after power failure:
Measurement is immediately continued as soon as mains voltage
is supplied again.
EMC AND VDE STANDARDS
Protection:
IP 66, IEC 529, EN 60529, DIN VDE 0470
Protection class:
2 according to IEC 1010
Climate class:
Climate class 4,VDI / VDE 3540 Bl.2
Instrument security:
IEC 1010
Emissions
EN 50081-1
Immunity
EN 50082-2, Namur recommendations: increased requirements
Test certificates:
GS, CE
Lightning protection
(data inputs and
High-voltage fuse limited to 90 V,
outputs)
Nominal leakage surge current 5 KA (8/20 µs)
Fine protection max. 600 W
ELECTRICAL DATA
Measuring input:
galvanically isolated, suitable for connection of TetraCon
®
700
and TetraCon
®
600.
CONDUCTIVITY MEASUREMENT
Measuring rate
Measuring ranges
1 measurement/s
with TetraCon
®
700 and TetraCon
®
600:
Measuring range 1: from 0 up to 199.9 µS/cm
Measuring range 2: from 0 up to 1999 µS/cm
Measuring range 3: from 0 up to 19.99 mS/cm
Measuring range 4: from 0 up to 199.9 mS/cm
Accuracy
± 2%
in measuring range
³
5 µS/cm and
cable length of the measuring cell
£
20 m.
± 0.5% in measuring range
³
50 µS/cm and
cable length of the measuring cell
£
100 m.
Содержание TecnoLine LF 171
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Страница 116: ...Technical data 120 EMC certificate...