Xylem CG 843 - Manual (Page 12)

Overview
80
Electrodes Socket acc. to DIN 19 262 or BNC
4-mm socket for reference electode
Temp. probe 4-mm socket for temperature probe
Interface/
analog output Bidirectional RS 232 interface or ana-
log output with autom. recognition of
the PC, printer, or recorder connected
Plug-in power
supply (option) 2 pole special Friwo
Connectors
Input impedance
˜
10
12 W
Offset current
ˆ
10
-12
A
AutoCal TEC With Technical buffers, pH values
2.00; 4.00; 7.00; 10.00 at 25 °C;
buffers are temperature compensa-
ted in the range 0 ... 90 °C
AutoCal DIN With standard buffers according to
DIN 19 266/NIST, pH values:
1.68; 4.01; 6.87; 9.18 at 25 °C;
buffers are temperature compensa-
ted in the range 0 ... 90 °C
ConCal With any buffers; one and two-point
calibration, manual acceptance of
measured values and temp. input
Input amplifier
Calibration modes