Teledyne LeCroy ZS2500 - Manual (Page 27)

Operator’s Manual
Verification Procedure
A. Output Zero Voltage
Output Zero Voltage Test Setup
1. Connect one end of a BNC cable to the female BNC connector on the probe
end of the ProBus extender cable. Connect the precision 50 Ω terminator to
the other end of the BNC cable.
2. Connect the banana plugs of the Precision terminator to the input of the
DMM. Make sure that the plug corresponding to the BNC shield (marked
"Ground") is connected to the LOW or COMMON input of the DMM.
3. Set the OFFSET on the oscilloscope to zero.
4. Set the DMM to read DC Volt on the most sensitive range.
5. Record the voltage measured on the DMM to 10 μV resolution as "Output
Zero Voltage" in the Test record.
6. Check that the voltage indicated by the DMM is between ±200 μV.
7. Disconnect the DMM from the precision 50 Ω terminator. Leave the
remaining setup in place for the next step.
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