288 43-TV-25-30 Iss.6 GLO Aug 07 UK
External Input Reference
External Input Reference. The reference temperature reading in this method is provided
by a separate temperature measuring device connected to another input, usually RT. This
input is processed in the normal way and then passed back into the thermocouple signal
processing system as a temperature reading.
Reading in Volts
Temperature
reading to maths
expression
A
C
_
+
*
Input
terminals
on rear
panel of
recorder
Copper wire
Normal
signal
processing
Thermocouple
Table (convert R/T
temp to Volts
(Volts)
D
V
_
+
PT100
Copper
wire
Thermocouple
cable
Inputs
added
(C+D)
Look-up table
(converts
voltage read-
ing to tem-
perature)
To Next Page
Loading...
Need help?
General
