janitza UMG 801, Руководство пользователя

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www.janitza.de UMG 801
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Voltage measurement
3-phase 4-conductor systems with rated voltages up to
480 VLN / 830 VLL (+/-10%) according to IEC
347 VLN / 600 VLL (+/-10%) according to UL
3-phase 3-conductor systems (grounded) with rated voltages up to
830 VL-L (+/-10%) according to IEC
600 VL-L (+/-10%) according to UL
3-phase 3-conductor systems (non-grounded) with rated voltages
up to 690 VL-L (+/-10%) according to IEC
600 VL-L (+/-10%) according to UL
Overvoltage category
· 1000 V CAT III according to IEC
· 600 V CAT III according to UL
Rated surge voltage 8 kV
Protection of the voltage measurement 1 - 10 A tripping characteristic B (with IEC/UL approval)
Measuring range L-N 0
1)
.. 720 Veff (max. overvoltage 1000 Veff )
Measuring range L-L 0
1)
.. 1000 Veff (max. overvoltage 1000 Veff )
Measuring range N-PE up to 100 V
Resolution 16 bit
Crest factor 1.6 (referred to measuring range 600 V L-N)
Impedance 4 MΩ/phase
Power consumption approx. 0.1 VA
Sampling frequency 51.2 kHz
Frequency of fundamental oscillation
- Resolution 40 Hz .. 70 Hz
0.01 Hz
Harmonics 1 .. 127.
1) ... The device only measures if at least one voltage measurement input has an L-N voltage of > 10 Veff
or an L-L voltage of > 18 Veff present.
Current measurement (../1 A) (../5 A)
Nominal current 5 A
Channels
8
· 2 systems - L1, L2, L3, N (optional)
· Single channels
Measurement range 0.005 .. 6 Aeff
Crest factor (relative to nominal current) 1.98
Overload for 1 s 120 A (sinusoidal)
Resolution 0.1 mA (color graphic display 0.01A)
Overvoltage category 300 V CATII
Rated surge voltage 2.5 kV
Power consumption approx. 0.2 VA (Ri = 5 m
Ω
)
Sampling frequency 25.6 kHz
Harmonics 1 .. 63