Portable power electricity single phase energy meter test bench high accuracy

Portable power electricity single phase energy meter test bench high accuracysingle phase energy meter?

test bench?
high accuracy?
stable performance?

three?phase?energy?meter?test?bench

Three-phase?portable?energy?meter?test?instrument??with?current?and?voltage?source?is?an?ideal?device?to?test?all?kind?three-phase?energy?meters?accuracy?below?0.2.??The?equipment?can?generate?3-phase?voltage?,?3-?phase?current?and?any?power?factor?signal?,the?standard?meter?inside?the?equipment?is?class?0.05.

The?equipment?is?box?structure?,?light,?and?easy?to?carry?,it?is?very?convenient?to?test?meters?on?site,?moreover?the?equipment?can?be?used?for?testing?meter?in?meter?manufacture?and?as?testing?equipment?in?R&D?institute.

ADVANTAGES

1.???????Display?of?vector?diagram?for?analysis?of?the?supply?conditions.

2.???????DDS?technology?signal?generator.

The?signal?generator?adopts?digital?sine?wave?composing?technology.?The?signal?generator?can?trace?voltage?phase?and?supply?a?dummy?load?to??the?tested?meter?by?outputting?adjustable?current?with?different?phase.

3.???????High?efficiency?D-Class?current?amplifier?and?voltage?amplifier.

The?equipment?adopts?PWM?power?amplifier?(or?we?called?D-Class?amplifier),?which?is?high?efficiency?9(?>85%????)and?very?low?heat?consumption?.?the?amplifier?has?protect?function,?it?can?avoid?damage?due?to?wrong?connection?or?other?manual?operations.?Current?amplifier?and?output?shifter?can?output?different?current.?Voltage?amplifier?can?output?different?voltage.

4.???????Large?LCD?screen?display

MIAN?TECHNICAL

1.???????power?and?consumption

2.???????power?supply:1P2W??220V/240V?10%.?50Hz?or?60Hz:

3.???????Max??consumption?300VA

4.???????current?source:

Output?current?:3×0.001A-3×100A

Adjusting?resolution:?0.01%(min.0.0001A)

Power?factor:0~3600??resolution:0.10

Output?frequency?:45Hz~65Hz

Distortion(sine?wave?output):?<?0.5%

Current?stability?of?power?source?during?sine?wave?output?:0.05%(180s)

Output?wave:?sine?wave

???????2-21?harmonic?wave,?total?should?be?less?than?40%

???????Odd?harmonic?waveform

???????Sub?harmonic?waveform

Output?capacity:50VA?per?phase

5.???????Voltage?source:

Loading:?the?load?can?be?resistor?/inductive/?capacitive(??4uF)

Adjusting?resolution?:0.01%(min.0.1V)

Output?frequency?:45Hz~65Hz

Distortion(sine?wave?output):?<0.5%

Voltage?stability?of?power?source?during?sine?wave?output?:0.05%(180s)

Output?wave:?sine?wave

2-21?harmonic?wave?,total?should?be?less?than?40%

Odd?harmonic?waveform

Sub?harmonic?waveform

?Output?capacity:50VA?per?phase