Power Measurement ION 8000 Series - Test Points (Standard, Low and ECR Current Meters)

Test Settings ION 8000 Series User Guide
Page 222 Chapter 23 - Verifying Accuracy
Test Points (Standard, Low and ECR Current Meters)
NOTE
It is recommended that the Extended Current Range (ECR) meter be tested at Full, Light and ECR Light
Loads.
Watt-hour test points
It is common practice to test these Watt-hour test points:
1
The rated test current is found on the ION 8000 series meter front panel label.
2
Extended Current Range Meter only.
VAR-hour points
It is common practice to test these VAR-hour test points:
1
The rated test current is found on the ION 8000 series meter front panel label.
2
Extended Current Range Meter only.
Watt-hour Test Point Specifications
Full Load
100% of the rated current, test voltage and rated frequency at unity
power factor, or one (1).
1
Light Load
10% of the rated current, test voltage and rated frequency at unity
power factor, or one (1).
“ECR” Light Load
2
1% of the rated current, test voltage and rated frequency at unity
power factor, or one (1).
Lagging Power Factor
100% of the rated current, test voltage and rated frequency at 0.50
lagging power factor (current lagging voltage by 60
o
phase angle).
VAR-hour Test Point Specifications
Full Load
100% of the rated current, test voltage and rated frequency at unity
power factor, or one (1).
1
Light Load
10% of the rated current, test voltage and rated frequency at unity
power factor, or one (1).
“ECR” Light Load
2
1% of the rated current, test voltage and rated frequency at unity
power factor, or one (1).
WATT
TA
CA
Freq
CL
Kt
2.5
0.2
1.8
60
20
WATT
TYPE 8500
Multifunction Watthour/Varhour Meter
V~
W
FM
4WY
120
-277
9S
Rated test
current is
found on
the
meter’s
front
panel.