Hoyt Electrical Instrument Works, Inc. Alpha 40A Plus, Руководство по эксплуатации

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Accuracy
Voltage + 0.5 % of
Nominal Value
Current + 0.5 % of
Nominal Value
Frequency + 0.2 % of mid
frequency
Active power
+ 0.5 % of
Nominal Value at
cos ø = 1
Reactive power
+ 1.0 % of
Nominal Value at
sin ø = 1
Apparent Power
+ 0.5 % of
Nominal Value
Power Factor /
Phase Angle
+ 3
°
Active energy
class 1 as per IEC 62053-21
Reactive energy
class 2 as per IEC 62053-23
Apparent energy class 1
THD (Voltage
/ Current) + 2 %
Display
Approx. 1 sec.
LCD Display with backlit
Update rate
is 100% of class index for all other
parameters except energy.
Reference conditions for Accuracy
Reference
0
23 C + 2 C
0
temperature
(as per IEC 62053-21)
37
2 x Rated Value
(1s application
at 10s intervals)
20 x Rated value
for 0.5sec
Overload withstand
Current input
Voltage input
repeated 10 times
Auxiliary Supply
Higher
60V to 300V AC/DC
Auxiliary Supply
VA Burden
Operating Measuring Ranges
Voltage with 50 ... 120 % of
external Aux.
Nominal Value
Current
1A - 20mA to 1.2A
5A - 100mA to 6A
Frequency
50 Hz / 60 Hz
Power Factor
0.5 Lag ... 1 ... 0.8 Lead
Starting Current
(As per IEC
62053-21)
1A - 2mA
5A - 10mA
Nominal Value
230V DC or
230V AC, 50/60 Hz
Total Harmonic
Distortion 0...50%
With Addon card
< 6 VA approx.
Without Addon card < 4 VA approx.
Lower
20V to 60V DC /
Auxiliary Supply 20V to 40V AC
Frequency Range 45 to 65 Hz
Nominal Value
48V DC /
24 V AC 50/60 Hz
OR
(60...100% of nominal voltage)
(20...100% of nominal current)