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Temperature measurement with thermocouple, Connection scheme circuit – Kipp&Zonen COMBILOG Data Logger User Manual

Page 45

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Temperature Measurement with Thermocouple

Figure 5.8 Temperature measurement with internal cold junction

compensation by special terminal clamp ICJ 104

Figure 5.9 Temperature measurement with external cold junction

Hardware Manual COMBILOG 1022

45

Source

IN+

IN-

AGND

U1

ϑ

x = Lin (U2 + Lin

-1

ϑ

k),

ϑ

k = Lin (U1)

Anschlussschema

Schaltung

1M

ϑ

k

R0

=

U0

U2

ϑ

x

ϑ

x

zusätzliches

Kaltstellenmodul

Connection scheme

Circuit

Source

IN+

IN-

AGND

ϑ

= Lin (U1 + Lin

-1

ϑ

p)

Anschlussschema

Schaltung

1M

ϑ

p

ϑ

1M

ϑ

p

ϑ

U1

Connection scheme

Circuit