Measurement Computing CIO-EXP32 User Manual
Page 21
CIO-EXP32 User's Guide
Functional Details
Output voltage vs gain at maximum temperature
Type
Min Temp °C
Max Temp °C
mV at
Max
Gain / Output Volts @ Max Temp
100
200
300
500
800
J
0
750
42.28 4.2 8.5 12.7 21.1 33.8
K
−200
1250
50.63 5.1 10.1 15.2 25.3 40.5
T
−200
350
17.82
1.8 3.6 5.3 8.9 14.3
E
−200
900
68.78 6.9 13.8 20.6 34.4 55.0
S 0
1450
14.97
1.5 3.0 4.5 7.5 12.0
R 0
1450
16.74
1.7 3.3 5.0 8.4 13.4
The table below lists the maximum readable temperatures for each gain and thermocouple type for an A/D
range of ±5V.
Gain vs maximum readable temperatures
Type
Gain / Max. Readable Temps. with A/D Range = ±5 V
10
100
200
300
500
800
J
MAX
MAX
457 °C
307 °C
186 °C
117 °C
K
MAX
1232 °C
602 °C
406 °C
246 °C
152 °C
T
MAX
MAX
MAX
330 °C
214 °C
140 °C
E
MAX
661°C
350 °C
244 °C
152 °C
98 °C
S
MAX MAX MAX MAX 1035
°C
697
°C
R
MAX MAX MAX 1445
°C
961°C 658
°C
To read the maximum usable temperature for type K and E thermocouples, set the gain to
X10
or less.
After you change the gain setting, calibrate the CIO-EXP32 using the InstaCal utility.
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