English
Language : 

3B37_15 Datasheet, PDF (3/8 Pages) Analog Devices – Isolated, Thermocouple Input
3B37
3B37 Models Available
Model
3B37-X-00
Input Type
Type J, K, T, E, R, S, or B
Input Range
Externally Programmable 2
3B37-J-01
Type J
-100°C to +100°C (-148°F to +1400°F)
3B37-K-02
Type K
-100°C to +1350°C (-148°F to +2462°F)
3B37-T-03
Type T
-100°C to +400°C (-148°F to +752°F)
3B37-E-04
Type E
0°C to +900°C (+32°F to +1652°F)
3B37-R-05
Type R
0°C to +1750°C (+32°F to +3182°F)
3B37-S-05
Type S
0°C to +1750°C (+32°F to +3182°F)
3B37-B-06
Type B
0°C to +1800°C (+32°F to +3272°F)
3B37-Custom
Type J, K, T, E, R, S, or B
*
1 Output current range may be user programmed to 4 mA to 20 mA using jumper supplied.
2 Requires AC1310 ranging card.
* Custom Input/Output ranges are available. Refer to configuration guide.
Output Ranges1
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
*
3B37 Specifications
(typical @ +25°C and ±15 V dc, and +24 V dc Power)
Description
Standard Ranges
Custom Ranges
Voltage (RL > 2 KΩ)
Current (RL = 0 to 850Ω)1
Maximum Current Output Span
Initial @ +25°C
Nonlinearity
Voltage Output
Zero
Span
Current Output3
Zero
Span
Zero and Span Adjustment Range4
Cold Junction Compensation (CJC)5
Initial Accuracy @ +25°C
Accuracy vs. Temperature, +5°C to +45°C
Input Bias Current
Model 3B37
Input Ranges
Refer to Model Table
±5 mV to ±500 mV
Output Ranges
0 V to +10 V; -10 V to +10 V
4 mA to 20 mA or 0 mA to 20 mA
0 mA to 31 mA
Accuracy2
±0.1% Span + CJC Sensor Error
±0.01% Span
Stability vs. Temperature
±0.02°C/°C
±25 ppm of Reading/°C
±25 ppm of Span/°C
±25 ppm of Reading/°C
±5% of Span
±0.5 °C
±0.5°C (±0.0125°C/°C)
+15 nA
Rev. 0 | Page 3 of 8