The Thermocouple Input - Omega Engineering OME-DB-889D User Manual

16-channel analog multiplexer board
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3.3. The Thermocouple Input

The OME-DB-889D can accept thermocouple sensor to measure temperature.
The OME-DB-889D should be set to different gain value if use different
thermocouple type.
If you are usingOME-A-82XPGL series multi-function bard to linked
OME-DB-889D you have got the gain as:
Gain = OME-A-82X Gain X OME-DB-889D Gain
OME-A821PGL Gain = 1 , 2 , 4 , 8
50 , 100 , 1000
Examples
OME-A-82XPG
L Series
1
2
4
1
1
1
2
4
1
1
:
:
Thermocouple type & suitable gain
TYPE E
TYPE J
-270°C to 1000°C
-210°C to 760
-9.835mV to
-8.096mV to
76.358mV
42.922mV
Gain=50
Gain=100
OME-DB-889D User's Manual
OME-DB-889D Gain = 0.5 , 1 , 5 , 10 ,
OME-DB
Gain
-889D
X
1
1
X
1
2
X
1
4
X
5
5
X
10
10
X
100
100
X
100
200
X
100
400
X
500
500
X
1000
1000
X
:
:
X
:
:
TYPE K
TYPE R
-270°C to 1370°C
0°C to 1760°C
-6.458mV to
0mV to
54.807mV
21.006mV
Gain=50
Gain=200
TYPE S
TYPE T
0°C to 1760°C
-270°C to 400°C
0mV to
-6.258mV to
18.612mV
20.869mV
Gain=200
Gain=200
12

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