19
Appendix 2
：
Technical indicators of HZ-1521
Function
Accuracy when using a clamp meter
Accuracy when
using a terminal
Main
functions
Voltage
0.1%
0.1%
Current
0.3%(0.1A
～
60A )
0.5%(60A
～
1000A)
0.1% (0.1A
～
10A )
Power
0.3% Guaranteed long-term accuracy (1A
～
50A)
0.1%
Active power
0.3% Guaranteed long-term accuracy (1A
～
50A)
0.1%
Reactive power 0.5%
0.3%
Harmonics
2nd
～
51
st
Harmonic
0.1%
Others
Source output
Output current: 5A±20%
LCD
320x240
（
color
）
Communication RS232
Electric pulse
FH=3.6*10^8P/KW·H
FL=36000P/KW·H
Data storage
6000 pcs and above
Environm
ent
Environmental
temperature
-20
～
40
℃ （
Guaranteed accuracy
）
Humidity
0
～
90%, No condensation
（
Guaranteed accuracy
）
Machine
Size
(L)249*(W)156*(H)56mm
Weight
1.2kg
