wtw 330i Operating Manual page 58

Technical data
pH temperature input:
Analog output
(only pH 340i)
Serial interface (only pH
58
Manually [°C]
Automatic switchover when the recorder is connected by the cable,
AK 323.
Output signals
Accuracy
Internal resistance
Concentration
0 ... 19.99 mg/l
0 ... 90.0 mg/l
Saturation
0 ... 199.9
0 ... 600 %
D. O. partial pressure
0 ... 199.9 mbar
0 ... 1250 mbar
Automatic switchover when a PC or a printer is connected via the cable,
340i) AK 340/B or AK 325/S.
Type
Baud rate
Data bits
Stop bit
Parity
Handshake
- 20 ... + 130
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)
Voltage
0 ... 1999 mV
0 ... 900 mV
Voltage
0 ... 1999 mV
0 ... 600 mV
Voltage
0 ... 1999 mV
0 ... 1250 mV
RS 232, data output
Selectable 1200, 2400, 4800, 9600 baud
8
2
None
RTS/CTS + Xon/Xoff
pH 330i/340i
Resolution
0.01 mg/l per 1 mV
0.1 mg/l per 1 mV
Resolution
0.1 % per 1 mV
1 % per 1 mV
Resolution
0.1 mbar per 1 mV
1 mbar per 1 mV