3B18-00 Datasheet, PDF (3/8 Pages) Analog Devices – Wide Bandwidth Strain Gage Input

3B18 Models Available
Model
Input
Bridge
Input
Range
Excitation¹
3B18-00
Full
Bridge
Externally
Programmable³
+10.0 V or +3.33 V
3B18-01
Full
Bridge
-30 mV to +30 mV +10.0 V or +3.33 V
3B18-02
Full
Bridge
-10 mV to +10 mV +10.0 V or +3.33 V
3B18-Custom
Full Bridge
*
+10.0 V or +3.33 V
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.
Sensitivity
Externally
Programmable³
3 mV/V @ 10 Vexc
3 mV/V @ 3.33 Vexc
*
Output
Ranges
-10 V to +10 V &
0 mA to 20 mA
-10 V to +10 V &
0 mA to 20 mA
-10 V to +10 V &
0 mA to 20 mA
*
3B18 Specifications
(typical @ +25°C and ±15 V dc, and +24 V dc Power)
Description
Model 3B18
Input Range
Standard Range
Custom Ranges
±30 mV (3 mV/V sensitivity @ V_exc = +10V)
±10 mV (3 mV/V sensitivity @ V_exc = +3.33 V)
±5 mV to ±500
Output Range
Voltage (R_L > 2 KΩ)
Current (R_L = 0 to 850Ω)¹
Maximum Current Output Span
-10 V to +10 V
4 mA to 20 mA or 0 mA to 20 mA
0 mA to 31 mA
Accuracy²
Initial @ +25°C
Nonlinearity²
±0.1% Span
±0.01% Span
Stability vs. Temperature
Voltage Output
Zero
±3 µV/°C (RTI)
Span
Current Output³
±25 ppm of Reading/°C
Zero
±25 ppm of Span/°C
Span
±25 ppm of Reading/°C
Voltage user-selectable
Voltage, tolerance
Voltage vs. Temperature
V_exc= +10.0 V
Bridge Excitation
+10 V or +3.33 V
±2%
±0.0015%/°C
Bridge Resistance Range
300 Ωto 1 kΩ
Rev. 0 | Page 3 of 8
3B18