wtw MultiLine P4 Bedienungsanleitungen Seite 71

Memory of measured values
Type
Quantity
Timer for timed storing
Serial interface
Type
Baud rate
Data bits
Stop bit
Parity
Handshake
Cable length
Output format
Timer for timed output
Connections (electromechanical construction)
Dissolved oxygen/conductivity
pH/voltage
Temperature
Line adaptor
Serial interface
pH measurement
(Pay attention to the technical data of the electrode additionally)
Measuring range
Resolution
Accuracy
General points
Usable electrodes
Calibration procedure
Calibration interval
Slope range
Asymmetry
Redox measurement
(Pay attention to the technical data of the electrode additionally)
Measuring range
Resolution
Accuracy
Usable electrodes
Technical data
Ring store
120 measuring records
5 sec, 30 sec, 1 min, 5 min, 10 min, 15 min,
30 min, 60 min
RS232.C, data output
adjustable 1200, 2400, 4800, 9600 Baud
8
1
None
RTS/CTS
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
8 pin WTW socket with pin contacts with latching
device (Protection degree IP 67)
Socket according to DIN 19262
(Protection degree IP 67) in connection with
SenTix electrode
1 pin WTW jack
(Protection degree IP 67)
2 pin socket with pin contacts for FRIWO plug
4 pin socket with pin contacts
-2 ... 16
0.01
0.01 – 1 digit
Input resistance: > 5 · 10
Input currence:
pH electrodes with plug according to DIN 19262
and electrode zero point pH = 7.0 – 0.5
Automatic two point calibration
with WTW Technical buffer solutions
1 ... 999 days (preset 7 days)
-62 ... -50 mV/pH
-30 ... +30 mV
-1250 mV ... +1250 mV
1 mV
1 mV – 1 digit
Electrodes with plug according to DIN 19262
12
Ohm
-13
5 · 10 A typically
-12
< 2 · 10 A at 25 °C
71