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Performance Tests
1–34
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications
Table 1–3: DC Voltage measurement accuracy
Scale
setting
Position
setting
(Divs)
Offset
setting
Generator
setting
TDS 600B
Accuracy limits
TDS 500D/700D
(except TDS 794D)
Accuracy limits
5 mV –5 +1 V +1.040 V +1.0329 V to +1.0471 V +1.0355 V to +1.0445 V
+5 –1 V –1.040 V –1.0471 V to –1.0329 V –1.0445 V to –1.0355 V
200 mV –5 +10 V +11.6 V +11.4165 V to +11.7835 V +11.5195 V to +11.6805 V
+5 –10 V –11.6 V –11.7835 V to –11.4165 V –11.6805 V to –11.5195 V
1.01 V –5 +10 V +18V +17.102 V to +18.899 V +17.621 V to +18.379 V
+5 –10 V –18 V –18.899 V to –17.102 V –18.379 V to –17.621 V
TDS 794D Accuracy limits
10 mV –5 +0.5 V +0.58 V +0.5755 V to +0.5845 V
+5 –0.5 V –0.58 V –0.5845 V to –0.5755 V
200 mV 0 +5 V +5.6 V +5.5345 V to +5.6655 V
0 –5 V –5.6 V –5.6655 V to –5.5345 V
1 V 0 +2.5 V +5.5 V +5.289 V to +5.711 V
0 –2.5 V –5.5 V –5.711 V to –5.289 V
d. Display the test signal:
H Press VERTICAL MENU. Press the main-menu button Position.
H Use the keypad to set vertical position to –5 divisions (press –5, then
ENTER, on the keypad). The baseline level will move off screen.
H Press the main-menu button Offset.
H Use the keypad to set vertical offset to the positive-polarity setting
listed in the table for the current vertical scale setting. The baseline
level will remain off screen.
H Set the generator to the level and polarity indicated in the table for
the vertical scale, position, and offset settings you have made. The
DC test level should appear on screen. (If it doesn’t return, the DC
accuracy check has failed for the current vertical scale setting of the
current channel).
e. Measure the test signal: Press CLEAR MENU. Read the measurement
results at the Mean measurement readout. See Figure 1–6.