wtw pH 340/ION, Instruction Manuals

Page: 84 / 106

pH 340/ION
Technical data
84
Memory of measured values
Type
Quantity
Timer for timed storing
Ring store
120 measuring records
5 sec, 30 sec, 1 min, 5 min, 10 min, 15 min,
30 min, 60 min
Outputs
The interface (RS 232 or recorder) is automatically recognized and switched over
accordingly when the meter ist connected.
Analog output Automatic switch-over when the recorder cable
AK 323 is connected.
Output signal corresponds to
electrode voltage, resp. electrode signal
i.e. 50 - 62 mV/pH unit with pH-measurement
Accuracy:
± 0.1 % of meas. value ± 4 mV at
ambient temperature -10°C ... +55°C
Internal resistance:
< 5 Ohm (current limit max. 0.2 mA
output current)
Serial interface
Type
Baud rate
Data bits
Stop bit
Parity
Handshake
Cable length
Output format
Timer for timed output
Automatic switch-over when the cable AK 340/B
or AK 325/S is connected.
RS 232, data output
adjustable 1200, 2400, 4800, 9600 Baud
8
1
None
RTS/CTS + X
on
/X
off
max. 15 m
ASCII strings (IBM font)
Field separation by CR, LF
5 sec, 30 sec, 1 min, 10 min, 15 min, 30 min,
60 min, OFF
Connections (electromechanical construction)
pH/voltage Socket according to DIN 19262
(Protection degree IP 67) in connection with
SenTix electrode
Reference 1 pin WTW jack
Temperature 1 pin WTW jack
(Protection degree IP 67)
Line adaptor 2 pin socket with pin contacts for FRIWO plug
Serial interface, analog output 4 pin socket with pin contacts