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Setup Menu Teledyne API – Model T300/T300M CO Analyzer
128
5.9.3.6. MANUAL CALIBRATION OF THE ANALOG OUTPUTS CONFIGURED FOR VOLTAGE
RANGES
For highest accuracy, the voltages of the analog outputs can be manually calibrated.
Note The menu for manually adjusting the analog output signal level will only
appear if the AUTO-CAL feature is turned off for the channel being
adjusted (see Section 5.9.3.3).
Calibration is performed with a voltmeter connected across the output terminals and by
changing the actual output signal level using the front panel buttons in 100, 10 or 1
count increments. See Figure 3-9 for pin assignments and diagram of the analog output
connector.
V
+DC Gnd
Figure 5-4: Setup for Checking / Calibrating DCV Analog Output Signal Levels
Table 5-7: Voltage Tolerances for the TEST CHANNEL Calibration
FULL SCALE ZERO TOLERANCE SPAN VOLTAGE
SPAN
TOLERANCE
MINIMUM ADJUSTMENT
(1 count)
0.1 VDC ±0.0005V 90 mV ±0.001V 0.02 mV
1 VDC ±0.001V 900 mV ±0.001V 0.24 mV
5 VDC ±0.002V 4500 mV ±0.003V 1.22 mV
10 VDC ±0.004V 4500 mV ±0.006V 2.44 mV
06864B DCN6314