sca100t VTI Hamlin, sca100t Datasheet - Page 7

• Manufacturer Part Number: sca100t
• Description: The Sca100t Dual Axis Inclinometer Series
• Manufacturer: VTI Hamlin

1.8.1
VTI Technologies Oy
www.vti.fi
Additional External Compensation
To achieve the best possible accuracy, the temperature measurement information and typical
temperature dependency curves can be used for SCA100T offset and sensitivity temperature
dependency compensation. The equation of fitted 3
compensation is:
Where:
The calculated compensation curve can be used to compensate the temperature dependency of
the SCA100T offset by using following equation:
Where:
Offcorr
OFFSETcomp
Figure 4. Typical temperature dependency of SCA100T offset
Figure 5. Typical temperature dependency of SCA100T sensitivity
Offcorr:
T
OFFSETcomp
Offset
-0.2
-0.4
-0.6
-0.8
-0.50
-1.00
-1.50
-2.00
-2.50
0.8
0.6
0.4
0.2
1.00
0.50
0.00
-1
1
0
=
-40
-40
−
. 0
0000006
Temperature dependency of SCA100T sensitivity
-20
-20
Temperature dependency of SCA100T offset
=
3
temperature in °C (Refer to paragraph 2.7 Temperature Measurement)
rd
Offset
order polynome fitted to average offset temperature dependency curve
0
0
*
T
20
−
20
3
Offcorr
+
temperature compensated offset in degrees
Nominal offset in degrees
Temp [°C]
Temp [°C]
. 0
40
40
0001
Subject to changes
Doc. nr. 8261800
60
60
*
T
2
80
80
−
. 0
100
0039
100
120
120
*
T
specification limit
specification limit
specification limit
specification limit
−
rd
. 0
0522
order polynome curve for offset
Average
+3 sigma
-3 sigma
Average
+3 sigma
-3 sigma
SCA100T Series
Rev.A
7/18