3B20
3B20 Models Available
Model
Excitation
Voltage
Excitation
Frequency
Input Range
Sensitivity
Output
Ranges1
3B20-00
Externally
Externally
Externally
Externally
-10 V to +10 V &
0 mA to 20 mA
Programmable2
Programmable2
Programmable2
Programmable2
3B20-01
5 V rms
3 kHz
20 mV rms
*
2 mV rms/V
*
-10 V to +10 V &
0 mA to 20 mA
3B20-Custom
*
*
*
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.
3B20 Specifications
(typical @ +25°C and ±15 V dc, and +24 V dc Power)
Description
Model 3B20
Input Range
Standard Range
Refer to Model Table
Custom Ranges
V
in = 1.5 mV rms to 150 mV rms
Vexc = 2 V rms to 10 V rms
exc freq. = 1 kHz to 10 kHz
V
Output Range
-10 V to +10 V
Voltage (RL > 2 KΩ)
Current (RL = 0 to 850Ω)1
With Input Overload
Accuracy2
4 mA to 20 mA or 0 mA to 20 mA
40 mA, maximum
Initial @ +25°C
±0.1% Span
Nonlinearity2
±0.05% Span
Stability vs. Temperature
Voltage Output
Zero
±0.005% of Span/°C
Span
±0.01% of Span/°C
Current Output3
Zero
±25 ppm of Span/°C
Span
±25 ppm of Reading/°C
Bridge Excitation
Voltage4
2 V rms to 10 V rms
±2.5%
Voltage, tolerance
Frequency4
1 kHz to 10 kHz, ±15%
Up to 20 mA rms, minimum
< 0.5%
Drive
Harmonic Distortion
Span Calibration Adjustment Range4
±25% of span, minimum
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