Calibration and Maintenance
9173B_002-286e-07.10
Page
23
6.1.1.4
Calibration Process Worksheet
1.
Set up the charge amplifier for the maximum range of the reference sensor and the corresponding
sensitivity as shown on the calibration certificate.
Range:
F
nom
[MU]
Sensitivity: Cal.
Cert.
)
REF(F
nom
S
[pC/MU]
2.
Set up the test system amplifier to approximately determine the charge output of the test sensor. For
the first iteration, use the maximum range of the charge amplifier. If the charge signal is very small
and can not be measured properly, reduce the amplifier's charge range.
Range:
Q
max
[pC]
Sensitivity:
S
UUT
1
[pC/pC]
3.
Preload the system at least three times.
4.
Calculate and set the range of the reference channel. If required, change the sensitivity from the
reference sensor's calibration certificate to closely match this range.
Range:
F
FS
= 1,25 ·
0
REF
Fˆ
F
nom
[MU]
Sensitivity: Cal.
Cert.
)
REF(F
FS
S
[pC/MU]
5.
Calculate and set the range of the test system charge amplifier.
Range:
Q
FS
= 1,25 ·
0
UUT
Q
ˆ
Q
FS
[MU]
Sensitivity: Cal.
Cert.
S
UUT
1
[pC/MU]
Summary of Contents for 9173B
Page 1: ...Instruction Manual SlimLine Force Sensor Type 9173B to 9177B 9173B_002 286e 07 10...
Page 2: ...Instruction Manual SlimLine Force Sensor Type 9173B to 9177B 9173B_002 286e 07 10...
Page 27: ...Calibration and Maintenance 9173B_002 286e 07 10 Page 25 Fig 12 In situ calibration procedure...