3B18
Vexc = +3.33 V
100 Ωto 10 kΩ
±5% of Span
Zero and Span Adjustment Range4
Input Bias Current
+25 nA
Input Resistance
100 MΩ
Bandwidth, -3 dB
20 kHz
Output Rise Time, 10% to 90% Span
24µs
Common-Mode Voltage (CMV)
±10 V peak, maximum
ANSI/IEEE C37.90.1- 1989
Common Mode Rejection (CMR)
100 dB
Input-to-Output, Continuous
Transient
1 k
Source Imbalance, 50/60 Hz
Input Protection, Signal and Excitation Voltage
130 V rms maximum
Continuous
Transient
ANSI/IEEE C37.90.1-1989
Continuous Short to Ground
130 V rms, continuous
Voltage Output Protection
Current Output Protection
Power Supply Voltages5
±15 V dc Supplies
Rated Operation
Current
±(13.5 V dc to 16.5 V dc)
+50 mA, -15 mA
Sensitivity
±0.01% span/V
+24 V dc Loop Supply
Rated Operation
Current
+12 V dc to +30 V dc
+27 mA @ lout = 20 mA
±0.0002% span/V
Sensitivity
Mechanical Dimensions
3.15" x 3.395" x 0.775"
(80.0 mm x 86.2 mm x 19.7 mm)
Environmental
Temperature Range
Rated Performance
Storage
-25°C to +85°C
-55°C to +85°C
Relative Humidity, 24 hours
RFI Susceptibility
0 to 95% @ +60°C non-condensing
±0.5% Span error @ 400 MHz, 5 Watt, 3 ft
1 For a 0 mA to 20 mA range, a typical minimum output current is 10 µA.
2 Includes the combined effects of repeatability, hysteresis, and nonlinearity.
3 With respect to the voltage output.
4 A wide range of custom zero suppression and span is available with the 3B18-00 model, using the AC1310 ranging card.
5 +24 V dc loop power is required for driving the current output at loads up to 850Ω. If a current output load of 400Ω or less is applied, +15 V dc is sufficient for loop power. If only
voltage output is used, loop power is not required.
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