wtw pH/Ion 340i Operating Manual page 15

pH/Ion 340i
pH correction
function
ISE measuring
ranges
Usable
ISE electrodes
ISE calibration
procedure
ISE slope ranges
Analog output
Serial interface
Temperature input
Manually [°C]
Measuring range 1
Resolution
Measuring range 2
Resolution
Measuring range 3
Resolution
Measuring range 4
Resolution
Combination and single electrodes with connector according to DIN 19262
Two point calibration or three point calibration with standards suiting the sam-
ple
± 25 to 35 mV and ± 50 to 70 mV
Automatic switchover when the recorder is connected AK 323.
Output signals
Accuracy
Internal resistance
Automatic switchover when a PC or a printer is connected via the cable, AK
340/B or AK 325/S.
Type
Baud rate
Data bits
Stop bit
Parity
Handshake
Cable length
- 20 ... + 130
0.000 ... 9.999 mg/l
0.001 mg/l
0.00 ... 99.9 mg/l
0.01 mg/l
0.0 ... 999.9 mg/l
0.1 mg/l
0 ... 1999 mg/l
1 mg/l
corresponds to the electrode voltage,
i.e. 50-62 mV/pH unit
± 0.1 % of the measured value ± 4 mV
< 5 Ohm (current limited to max. 0.2 mA
output current)
RS232, data output
Can be set to
1200, 2400, 4800, 9600 Baud
8
2
None
RTS/CTS + Xon/Xoff
Max. 15m
Technical data
15