Time Electronics 1018 Technical Manual page 10

Page 10
Calibration sequence
A high performance DMM is required for the calibration. Time Electronics' 5075 or
equivalent is suitable.
Source Function Calibration:
Select 'source' on the Function switch
Select 'off' on the Deviation switch
Set all Deviation digit switches to zero
1V range zero:
Select 999.999mV range.
Set output digit switch 000000
Connect the precision DMM to the 1018 output using low thermal leads.
Select a suitable range on the DMM and measure the signal.
The allowed error is 23uV.
It is recommended that it be set to less than 5uV using the zero trimmer on the module
1V range full scale:
Set output digit switch to 999999
Select suitable range on DMM.
Allowed error is 73uV
Adjust gain trimmer on the module for < 10uV
10V range zero:
Select 9.99999V range
Set digit switch to 000000
Allowed error is 200uV
There is no adjustment for this setting
10V range full scale:
Set digit switch to 999999
Allowed error is 700uV
Adjust 10V FS trimmer for 50uV or less
100V range zero:
Select the 99.9999V range
Set digit switch to 000000
Allowed error is 4mV
There is no adjustment for this setting
100V range full scale:
Set digit switch to 999999
Allowed error is 14mV
Adjust the 100V FS trimmer for 1 mV or less
100mV range zero
Select 99.999mV range
Set digit switch to 000000
Allowed error is 7uV
There is no adjustment for this setting