[volt-nuts] HP 3456A Setup

[John Ackermann N8UR]

Thanks, Warren!  That's very helpful.

John
----

On 9/11/2011 7:14 PM, WarrenS wrote:
> HP 3456A front panel set up to measure low noise precision references,
> Preferable the difference between to two like units
>
> With the input (or difference) to be measured connected to the "Volts"
> inputs
> 0) warm it up for a few hrs or days, especially if you are not using an
> external reference voltage.
>
> 1) Select "DC volts"
> 2) "Guard button" IN
> 3) "Auto Zero" ON
> 4) "Filter" OFF
> 5) "Auto Range" Selected
> 6) "INT" selected
> 7) enter-keys "6", "Store", "N DIG DISP" (#9 key)
> 8) enter-keys "100", "Store", N Cycles Int" (CHS key)
> 9) with Inputs shorted push "Math" "Off" (#0 key)
> 9a) then push "Math" "Null" (#3 key)
>
> If you have a good external 10 volt reference that is floating, it can
> be used by connecting it to the "Ratio Ref" inputs,
> Add a Jumper from "Ref Low Input" to "Signal Low input"
> and select DC Ratio mode with "Shift" "DC_Volts"
>
> Measure away and have fun
> ws
>
> **************************
>
>> From: John Ackermann N8UR
>> Subject: [volt-nuts] HP 3456A Setup
>>
>> Any suggestion on the best settings to use (particularly the PLC
>> integration and filtering)
>> to get the best accuracy and resolution for DC measurements with a
>> 3456A where reading speed isn't an issue?
>>
>> John
>>
>>
>> ------------------------------
>
>
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