wtw pH 197i Mode D'emploi page 30

Technical data
Analog output
(AK 323/S cable)
Guidelines
and norms used
Manual
temperature
input
30
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Automatic switchover when the recorder is connected by the cable,
AK 323/S.
pH output signal
mV output signal
Accuracy
Internal resistance
EMC
Instrument safety
Climatic class
IP protection
Measuring ranges, resolutions, accuracies
Variable Measuring
range
pH - 2.00 ... + 19.99
U [mV] - 199.9 ... + 199.9
- 1999 ... + 1999
T [°C] - 5.0 ... + 105.0
Variable Range
T [°C] - 20 ... + 130
manual
* when measuring in a range of ± 2 pH around a calibration point
-200 ... +1999 mV for the range
- 2.00 ... + 19.99
-1999 ... +1999 mV for the range
-1999 ... +1999 mV for the range
± 0.5 % of display value
< 5 Ohm (current limited to max. 0.2 mA
output current)
EC guideline 89/336/EEC
EN 61326-1:1998
EN 61000-3-2 A14:2000
EN 61000-3-3:1995
FCC Class A
EC guideline 73/23/EEC
EN 61010-1 A2:1995
VDI/VDE 3540
EN 60529:1991
Resolution
0.01
0.1
1
0.1
Increment
1
pH 197i
Accuracy (± 1 Digit)
± 0.01 *
± 0.5
± 1
± 0.1