9
109117-1 Rev. A, 10/96
2
2.6 Chart Recorder
REC Socket
The REC socket (5-pin, 180° DIN socket) provides a voltage
proportional to the displayed reading in pH and mV modes. The
polarity of the output is the same as the polarity of the input
signal.
Approximate Recorder Outputs
pH - Output follows display and provides approximately 60 mV
output per pH unit. This value will vary with changes in
electrode slope.
mV - Output follows display, i.e. as display varies from –1999 to
1999 mV, output varies from –1999 to +1999 mV.
The recorder output is not available in temperature mode.
other pins not used, or reserved
for manufacturer’s use
recorder (–ve/ground)
recorder (+ve/signal)
1
4
2
5
3
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