Keithley 630 Instruction Manual page 40

MODEL 630 POTENTIOMETRIC ELECTROMETER
ACCESSORIES
FIGURE 23. Model 6013 pH Electrode Adapter Connected to pH Electrodes,
The Model 6013,
shown here with the Keithley Model 601 Electrometer, is used similarly with the Model630.
6-5.
MODEL 370 RECORDER.
a. The Model 370 Recorder is uniquely compatible with the Model 630 as well as other
Keithley electrometers,
picoammeters and microvoltmeters. The Recorder is a high quality
economical instrument that epitomizes the performance of the Model 630 and many other
Keithley instruments, even in the most critical applications. The Model 370 can be used
with the Model 630 to
record
over the Model 630's entire range.
b. The Model 630 has the output necessary to drive the Recorder directly (1 volt, 1
milliampere), thus eliminating the need for a preamplifier.
The Model 370 floats f500
volts off ground, enabling the Model 630 to be used to its specified off-ground voltage.
The Recorder is specially shielded to avoid pickup of extraneous signals. The response
1067R
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