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Performance Testing and Calibration
Performance Test
4
4-9
Volts DC Accuracy Test (2645A)
4-7.
Complete the following procedure to test the accuracy of the volts dc function for the
2645A. Measurement accuracy applies to all channels, not just the channel used for the
test.
1.
Configure Channel 1 for Volts DC In NetDAQ Logger for Windows, configure
channel 1 for volts dc, 90 mV range.
2.
Open Spy Window Select the Spy command from the Utilities menu. Select
channel 0101 (instrument 01, channel 01) from the Channel list. Click OK to open
the Spy window.
3.
Verify Accuracy Configure the 5700A for the output values below and verify the
Spy window measurement is between the minimum and maximum values. Change
the channel 1 range as required (see Step 1).
Volts DC Range
5700A Output
Minimum Reading
Maximum Reading
90 mV
Short Circuit (Zero)
-0.000023V
+0.000023V
90 mV
+90 mV
+0.089965V
+0.090035V
90 mV
-90 mV
-0.090035V
-0.089965V
300 mV
Short Circuit (Zero)
-0.00005V
+0.00005V
300 mV
+300 mV
+0.29991V
+0.30009V
300 mV
-300 mV
-0.30009V
-0.29991V
3V
Short Circuit (Zero)
-0.0004V
+0.0004V
3V
+3V
+2.9992V
+3.0008V
3V
-3V
-3.0008V
-2.9992V
30V
Short Circuit (Zero)
-0.005V
+0.005V
30V
+30V
+29.991V
+30.009V
30V
-30V
-30.009V
-29.991V
50V
Short Circuit (Zero)
-0.04V
+0.04V
50V
+50V
+49.95V
+50.05V
50V
-50V
-50.05V
-49.95V
4.
Close Spy Window To close the Spy window, double-click the upper left-hand
corner control-menu box.
Summary of Contents for NetDAQ 2640A
Page 14: ...NetDAQ Service Manual x...
Page 46: ...NetDAQ Service Manual 2 4...
Page 106: ...NetDAQ Service Manual 2 64...
Page 108: ...NetDAQ Service Manual 3 2...
Page 164: ...NetDAQ Service Manual 4 42...
Page 206: ...NetDAQ Service Manual 6 2...
Page 218: ...NetDAQ Service Manual 6 14 2645A 1601 Figure 6 2 A1 Main PCA Assembly...
Page 220: ...NetDAQ Service Manual 6 16 2620A 1601 Figure 6 3 A2 Display PCA Assembly...
Page 230: ...NetDAQ Service Manual 6 26 2645A 1603 Figure 6 5 2645A A3 A D Converter PCA Assembly...
Page 234: ...NetDAQ Service Manual 7 2...
Page 242: ...2640A 2645A Service Manual 7 10 Figure 7 2 A2 Display PCA Assembly 2620A 1602...
Page 243: ...Schematic Diagrams 7 7 11 Figure 7 2 A2 Display PCA Assembly cont 2620A 1002...
Page 251: ...Schematic Diagrams 7 7 19 2645A 1603 Figure 7 4 2645A A3 A D Converter PCA Assembly 2645A 1603...
Page 258: ...2640A 2645A Service Manual 7 26 Figure 7 5 A4 Analog Input PCA Assembly 2620A 1604...
Page 260: ...2640A 2645A Service Manual 7 28...