Hardware Manual COMBILOG 1020
50
Temperature Measurement with Thermocouple
Connection scheme
Circuit
ϑ
= Lin ( U1+ Lin
-1
ϑ
k
)
ϑ
= Lin‘ ( U2)
Picture 5.8 Temperature measurement with internal cold junction
compensation by special terminal clamp ICJ 104
Connection scheme
Circuit
AGND
S
O
U
R
C
E
S
O
U
R
C
E
A
G
N
D
In
-
In
+
In
+
p
ϑ ϑ
Ω
1M
AIN 1
AIN 2
p
ϑ
1M
Ω
In-
U1
A
G
N
D
In
-
ϑ
SOURCE
In+
ϑ
= Lin ( U1 + Lin
-1
ϑ
p
)
Picture 5.9 Temperature measurement with external cold
junction compensation
R0
AGND
In-
SOURCE
In+
U1
-
+
U2
U
ϑ
ϑ
k
1M
Ω
ICJ 104
SOUR
CE
S
O
U
RCE
AG
N
D
In-
In
+
AIN 1
AG
N
D
In
-
In
+
AIN 2
ϑ
Summary of Contents for COMBILOG 1020
Page 1: ...COMBILOG 1020 Datalogger Hardware Manual Version 3 09...
Page 2: ...Hardware Manual COMBILOG 1020 2 Issue 03 11 2005 Technical data are subject to change...
Page 4: ...Hardware Manual COMBILOG 1020 4...
Page 6: ...Hardware Manual COMBILOG 1020 6...
Page 12: ...Hardware Manual COMBILOG 1020 12...
Page 86: ...Hardware Manual COMBILOG 1020 86 Bild 8 1 Example Master Slave System...
Page 169: ...Hardware Manual COMBILOG 1020 169...
Page 170: ...Hardware Manual COMBILOG 1020 170...