3B18
3B18 Models Available
Model
Input
Input
Excitation1
Sensitivity
Output
Bridge
Range
Ranges
3B18-00
Full
Bridge
Externally
+10.0 V or +3.33 V
+10.0 V or +3.33 V
+10.0 V or +3.33 V
+10.0 V or +3.33 V
Externally
-10 V to +10 V &
0 mA to 20 mA
Programmable3
Programmable3
3B18-01
Full
Bridge
-30 mV to +30 mV
3 mV/V @ 10 Vexc
-10 V to +10 V &
0 mA to 20 mA
3B18-02
Full
Bridge
-10 mV to +10 mV
*
3 mV/V @ 3.33 Vexc
*
-10 V to +10 V &
0 mA to 20 mA
3B18-Custom
Full Bridge
*
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.
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 @ Vexc = +10V)
±10 mV (3 mV/V sensitivity @ Vexc = +3.33 V)
±5 mV to ±500
Output Range
-10 V to +10 V
Voltage (RL > 2 KΩ)
Current (RL = 0 to 850Ω)1
Maximum Current Output Span
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
±25 ppm of Reading/°C
Current Output3
Zero
±25 ppm of Span/°C
Span
±25 ppm of Reading/°C
Bridge Excitation
+10 V or +3.33 V
±2%
Voltage user-selectable
Voltage, tolerance
Voltage vs. Temperature
±0.0015%/°C
Bridge Resistance Range
300 Ωto 1 kΩ
Vexc= +10.0 V
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