3B34_15 Datasheet, PDF (3/8 Pages) Analog Devices – Isolated, Linearized RTD Input

3B34
3B34 Models Available
Model
3B34-00
RTD Sensor
(2,3, or 4-wire)
100 Ω Pt, (alpha) = 0.00385
Input Range
Externally Programmable ²
3B34-01
100 Ω Pt, (alpha) = 0.00385
-100°C to +100°C
3B34-02
100 Ω Pt, (alpha) = 0.00385
0°C to +100°C
3B34-03
100 Ω Pt, (alpha) = 0.00385
0°C to +200°C
3B34-04
100 Ω Pt, (alpha) = 0.00385
0°C to +600°C
3B34-Custom
100 Ω Pt, (alpha) = 0.00385
*
Model
3B34-C-00
RTD Sensor (2 or 3-wire)
10 Ω Copper, (alpha) = 0.004274
Input Range
Externally Programmable ²
3B34-C-01
10 Ω Copper, (alpha) = 0.004274
0°C to +120°C (10Ω @ 0°C)
3B34-C-02
10 Ω Copper, (alpha) = 0.004274
0°C to +120°C (10Ω @ +25°C)
3B34-Custom
10 ΩCopper, (alpha) = 0.004274
*
Model
3B34-N-00
RTD Sensor
(2,3, or 4-wire)
120 ΩNickel, (alpha) = 0.00672
Input Range
Externally Programmable ²
3B34-N-01
120 Ω Nickel, (alpha) = 0.00672
0°C to +300°C
3B34-Custom
120 Ω Nickel, (alpha) = 0.00672
*
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
*
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
*
Output Ranges¹
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
*
3B34 Specifications
(typical @ +25°C and ±15 V dc, and +24 V dc Power)
Description
Model 3B34
Input Ranges
Standard Ranges
Refer to Model Table
Custom Ranges
-200°C to +850°C (100Ω Platinum; 2-, 3- or 4-wire)
-80°C to +350°C (120Ω Nickel; 2-, 3- or 4-wire)
-100°C to +260°C (10Ω Copper; 2- or 3-wire)
Output Ranges
Voltage
Current
Maximum Current Output Span
0 V to +10 V (R_L > 2 kΩ)
4 mA to 20 mA or 0 mA to 20 mA (R_L = 0 to 850Ω)¹
0 mA to 31 mA
Accuracy²
Initial @ +25°C
Nonlinearity³
±0.1% Span
±0.05% Span
Stability vs. Temperature
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