wtw pH 3300i Operating Manual page 58

Technical data
pH temperature
input:
Analog output
(only pH 3400i)
Serial interface
(only pH 3400i)
Power supply
58
Manually [°C]
Automatic switchover when the recorder is connected by the cable, 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
Batteries
Operational life
Mains (only pH 3400i)
- 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)
RS 232, data output
Selectable 1200, 2400, 4800, 9600 baud
8
2
None
RTS/CTS + Xon/Xoff
Max. 15m
4x1.5V alkali-manganese batteries, Type AA
Approx. 3000 operating hours
The following specifications apply to all plug-
in power supplies: Connection max. Over-
voltage category II
Plug-in power supply unit
(Euro, US , UK, Australian plug)
FRIWO FW7555M/09, 15.1432
Friwo Part. No. 1822089
Input: 100 ... 240 V ~ / 50 ... 60 Hz / 400 mA
Output: 9 V = / 1,5 A
pH 3300i/3400i
ba75682e02 03/2008