ZEN-LOG-MAN-16V03 (0930)
Copyright © 2016 Define Instruments
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7.7 - AC current sensor
Sensor type
Current transformer
ACCS-420, ACCS-420-L and ACCS-010
Header selectable amperage range
ACCS-420/010 = 100/150/200A
ACCS-420-L = 10/20/50A
Output
(Representing 0–100% of full scale
input range)
ACCS-420(-L) = 4–20mA DC loop powered
ACCS-010 = 0–10V DC
Isolation voltage
2,000V
Power supply
ACCS-420(-L) = Loop powered, 15–36V DC
ACCS-010 = Self powered
Overload (continuous)
ACCS-420/010 = 175/300/400A respectively
ACCS-420-L = 80/120/200A respectively
Accuracy
1% of full scale
Response time
250ms (10–90%)
Frequency
50–60Hz
The Zen Datalogger accepts input from a Define
Instruments AC current sensor.
Set the jumper on the top of the current sensor to
the desired current range, as shown below.
ACCS Jump Ranges
0–100A
0–10A
0–150A
0–20A
0–200A
0–50A
010/420:
420-L:
AC Current
Sensor
4–20mA
External
24V DC
Supply
AC
Current
Sensor
AC Current
Sensor
0–10V
AC Current
Sensor
This unit accepts input from a high voltage attenuator (HVA-1000).
Wire the attenuator as shown.
7.8 - Attenuator
Max input voltage
1000V DC
Attenuation factor
1000
±0.1%
Input impedance
3.8MΩ
Output impedance
3.8kΩ
Attenuator type
Differential
resistive
Ambient drift
50ppm/°C max
Attenuator
0–100.00V or
0–1000.0V
In
Out
