Teledyne GFC 7001EM operation manual Teledyne Analytical Instruments 137

Advanced Features Model GFC7001E Carbon Dioxide Analyzer

7.4.3.4.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 7.4.3.1).

Calibration is performed with a voltmeter connected across the output terminals and by changing the actual output signal level using the front panel keys in 100, 10 or 1 count increments. See Figure 3-7 for pin assignments and diagram of the analog output connector.

V

+DC Gnd

Figure 7-5: Setup for Checking / Calibrating DCV Analog Output Signal Levels

Table 7-8: Voltage Tolerances for the TEST CHANNEL Calibration

FULL	ZERO		SPAN	MINIMUM
		SPAN VOLTAGE		ADJUSTMENT
SCALE	TOLERANCE		TOLERANCE
				(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

Teledyne Analytical Instruments 137