'AT' Current Transducers from NK Technologies combine a current transformer and signal conditioner into a single package. The AT Series has jumper selected current input ranges and industry standard 4-20mA, 0-5VDC or 0-10VDC outputs. The AT Series is designed for application on 'linear' or sinusoidal AC loads. Available in a split-core case or two types of solid-core cases.
NK Technologies AT Series AC Current Transducers, Jumper Selectable Input Ranges, 0 - 5 VDC, 0 - 10 VDC or 4 - 20 mADC Output
Specifications
-005 Model
-010 Model
-420 Model
Output Signal
0–5 VDC
0–10 VDC
4–20 mA
Output Limit
8.2 VDC
15 VDC
32 mA
Accuracy
1.0% FS
Response Time (10–90% step change)
100 ms
300 ms
Frequency Range
50–60 Hz
20–100 Hz*
Other Frequencies
Special calibration available for any frequency from 10–400 Hz*
Power Supply
Self-powered
12–40 VDC, Loop powered
Loading
1 megohm min., 100 KΩ add 1.3% error
Contact factory for power requirements
Isolation Voltage
UL listed to 1270 VAC, tested to 5 KV
Input Ranges
Field-selectable ranges from 0–200 A; custom ranges available; consult factory.
-4 to 122°F (-20 to 50°C) 0–95% RH, non-condensing
Listings
UL 508 Industrial Control Equipment (USA & Canada), CE
*For sinusoidal waveforms only. Select ATR Transducers for distorted waveforms.
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