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XS series operating manual
XS user manual v0.55
- 106 -
Megohmmeter mode, 2 outputs setup
Refer to section related to the board jumpers setup. This setup is the factory default setup.
The pin 2 of the rear panel connector C6 gives the value of the resistance in a range (V1).
The pin 1 of the rear connector C6 gives the value of the range (V2).
V1= value in a range, from 0 to 10 volts compared to
the displayed value
V2= value of the range :
00.00
k
Ω
=
0 volt
000.0
k
Ω
=
1 volt
0.000
M
Ω
= 2 volts
00.00
M
Ω
=
3 volts
000.0
M
Ω
=
4 volts
0.000
G
Ω
=
5 volts
00.00
G
Ω
=
6 volts
000.0
G
Ω
=
7 volts
0.000
TΩ
= 8 volts
The resistor value is given by the following formula :
For example : if V1=5.2 V and V2=3.0 V then R=10.4 Mohms
Accuracy of the 0-10 volts output voltage compared to the display :
±(0.1% + 5 mV)
Megohmmeter mode, 1 output setup
Refer to section related to the board jumpers setup.
The pin 1 of the rear panel connector isn't used
The pin 2 of the rear connector gives the logarithmic value of the measured resistor (V1)
The resistor value is given by the following formula :
For example: if V1=3.7V then R=10.0 Mohms
Accuracy of the 0-10 volts output voltage compared to the display :
±(0.1% + 5 mV)
Accuracy of the resistance computed with the output voltage :
±1%
R = 2 x V1 x 10
V2
kohms
R = 2 x 10
V1
kohms