IMC CANSAS - Page 491

HVCI8 491
imc CANSAS Users Manual - Doc. Version 1.9 - 05.12.2014© 2014 imc Meßsysteme GmbH
Temperature measurement - Thermocouples
Parameter
Value typ.
min. / max.
Remarks
Input ranges
R, S, B, J, T, E, K, L, N
per IEC 584
Resolution
0.025 K
< 0.028 K
dependent on type (16-bit)
Measurement uncertainty
< 0.5 K
Type K, range: -150 °C to 1200 °C
Temperature drift
0.02 K/K T
a
T
a
= |T
a
-25 °C|
ambient temp T
a
Uncertainty of cold junction
compensation
Drift of cold junction compensation
0.001 K/K T
i
< 0.5 K
T
i
= |T
i
-25 °C|
ambient temp T
i
Temperature measurement – Pt100
Input ranges
-200 °C to +850 °C
-50 °C to +150 °C
individual current sources, isolated
Resolution
0.016 K
0.003 K
input range: -200 to +850 °C (16-bit)
input range: -50 to +150 °C (16-bit)
Measurement uncertainty
offset uncertainty
gain uncertainty
< 0.25 K
< 0.05 %
-200 °C to +850 °C, four-wire
Temperature drift
0.01 K/K T
a
T
a
=|T
a
-25 °C|;
ambient temp T
a
Exitation current (Pt100)
250 µA
General
Parameter
Value
Remarks
Isolation: (common mode)
General
Pollution degree
test voltage to
system ground and
between channels
Automotive
Measurement category
Working voltage
transients, diff. overvoltage
Main power supply
Measurement category
Rated voltage
2
2300 V
CAT I
800 V
600 V
CAT II
300 V
per IEC (EN) 61010-1:2001
1 min
impulses per ISO 7637-2
Overvoltage protection
(differential)
800 V
600 V
ESD 2 kV
Transient protection:
automotive load dump
ISO 7637, test impulse 6
channel 5..8, banana jacks
channel 1..4 PHOENIX terminals
human body model
Test impulse 6
Ri=30 , td=300 µs, tr<60 µs