Chapter 10
Appendix: Specifications
10.1
Specification of Thermal Conductivitly Measurement
Linearity
< 1% of range
Warm up time
Approx.
20min; up to 1h for
small ranges
Flow rate
10l/h-150l/h,
recommended
60l/h to 80l/h
T90-time
<1sec at flow rate higher 60l/h
(or user selected)
Noise
< 1% of smallest range
Drift at zero point
< 2% of smallest range per
week
Repeatability
< 1% of range
Error due to change of ambient temper-
ature
< 1% of smallest range per
10
◦
C
Error due to change of flow at 80l/h
< 1% of smallest range per
10l/h
Gas pressure Max. 2000kPa (20 bar)
Error
due
to
change
of
pres-
sure(>800hPa)
< 1% of smallest range per
10hPa
Table 10.1: Specification of TC measurement
File name: Manual_FTC400_1.09KD181129CWI1V01.pdf
