janitza UMG 509-PRO, Руководство пользователя и технические данные

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UMG 509-PRO www.janitza.com
15.2 Voltage and current measurement
1) The device can only determine measured values if a voltage L-N greater than 10 Vrms or a voltage L-L greater than 18 Vrms is present on at least one voltage measure-
ment input.
Phase angle measuring accuracy 0.075°
Current measurement
Nominal current 5 A
Resolution 0.1 mA
Measuring range 0.005 .. 7 Arms
Overrange (overload) from 7.5 Arms
Crest factor 2.4
Overvoltage category Option 230 V: 300 V CAT III
Option 24 V: 300 V CAT II
Rated surge voltage 4 kV
Power consumption approx. 0.2 VA (Ri=5 mOhms)
Overload for 1 s 120 A (sinusoidal)
Sampling frequency 20 kHz/phase
Voltage measurement
The voltage measurement inputs are suitable for measurement in the following power supply sys-
tems:
Three-phase 4-conductor systems with
rated voltages up to
417 V / 720 V
347 V / 600 V UL listed
Three-phase 3-conductor systems with
rated voltages up to
600 V
The voltage measurement inputs are designed as follows from the point of view of safety and reliabil-
ity:
Overvoltage category
600 V CAT III
Rated surge voltage 6 kV
Protection of the voltage measurement 1 - 10 A
Measuring range L-N 0
1)
.. 600 Vrms
Measuring range L-L 0
1)
.. 1000 Vrms
Resolution 0.01 V
Crest factor 1.6 (referred to 600 Vrms)
Impedance 4 MOhms/phase
Power consumption approx. 0.1 VA
Sampling frequency 20 kHz/phase
Transients > 50 μs
Frequency of the fundamental oscillation
- Resolution
40 Hz .. 70 Hz
0.001 Hz
Connection capacity of the terminal points (voltage and current measurement)
Connectible conductors. Only one conductor may be connected per terminal point!
Single core, multi-core, fine-stranded
0.2 - 2.5 mm
2
, AWG 24-12
Terminal pins, wire end ferrules 0.25 - 2.5 mm
2
Tightening torque 0.5 - 0.6 Nm
Strip length 7 mm