HS3303 Portable 3 Phase Energy Meter Test Bench

Technical specification

1. Electrical output
1) Voltage and current measurement range
Output voltage ranges: 57.7V/63.5V and 220V/240V (480V option)
Output current ranges: 0.1A, 1A, 5A, 20A, and 100A
2) Output load capacity
Voltage loop: Max. 50VA
Current loop: Max 100VA (Measurement range 100A)
2. Electrical output adjustment
1) Voltage adjustment
a) Adjustment range: 0%~125% selected voltage range
b) Adjustment fineness: four finenesses as 10%, 1%, 0.1%, and 0.01% are
available
c) Max. output voltage: 300V or 600V
2) Current adjustment
a) Adjustment range: 0%~120% selected current range
b) Adjustment fineness: four finenesses as 10%, 1%, 0.1%, and 0.01% are
available
c) Max. output current: 120A
3) Phase adjustment
a) Adjustment fineness: 0°~359.99°
b) Adjustment fineness: four finenesses as 10°, 1°, 0.1°, and 0.01° are
available
3. Voltage and current output distortion
This device’s voltage and current output distortion will not be more than 1%
(testing under linear load)
4. Output power stability
This device’s pre-set output power will not exceed 0.05% compared with the
measurement range variation within 180S.
5. ymmetry of electrical outputs from three phases
The difference between any line or phase voltage and its average will not be
Technical specification
- 1 -more than 0.2%; the difference between any phase current and its average will
not be more than 0.2%; the phase difference between any phase current and its
corresponding phase voltage will not be more than 0.2%.
6. Harmonic content
a) Number of harmonic waves: 2~31
b) Harmonic content: less than 40% (compared with fundamental wave)
c) Harmonic phase: 0°~359.99°
7. Monitoring instrument
To be read directly from the standard meter.
8. Electric pulse
Electric pulse output from standard meter:
1) For error calculator to calculate the error of any meter to be tested;
2) For the reference of upper-level measurement examination and
determination agency when sending the standard meter to them for testing.
Please refer to standard meter’s Table of Constants for pulse constants.
9. Power supply
Single-phase AC 220V/240V (100V/110V/230V is also applicable), 50/60Hz,
max. input power consumption: 500W.

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