APPLICATION:

 

Mainly used in the meter testing centre of electricity utilities, authoritative energy measurement labs, meter manufacturers, authoritative centre for energy meter calibration, and electricity engineering companies.

 

FUNCTIONS:

 

·Based on VA phase angle ,and display real-time vector diagram.

·Display each phase's real time voltage scope/current scope/voltage phase/current phase, each phase's power phase angle/power factor/frequency/degree asymmetry.

·Measure deviation of each phase's voltage/current, analyse 2nd to 64th harmonic content, and display bar chart of harmonic.

·Measure active power/active energy of distorted wave and fundamental active power/fundamental active energy/total harmonic active power/total harmonic active energy/sub harmonic active power/sub harmonic active energy under single phase/3- phase  3-wire/3-phase 4wire connecting circuit.

·Measure active power/reactive power/apparent power/active energy/reactive energy/apparent energy of each phase and total phase under three phase  connecting circuit.

·With power pulse input, can test kinds of active/reactive/appearance energy meter.

·With RS232 ,RS485 communication port, Internet port, which are able to be connected to PC.

 

FEATURES:

 

·Use 65K-color/resolution 640X480 True Color LCD Module to lattice prompts and display a variety of measurement data.

·Large range ability: voltage 30V-720V; current 25mA<I< 120A( class 0.02 ).

·Voltage/current has varied ranges, each range can be enlarged up to 120% of high-end limit; range can be automatically switched.

·Harmonic content measuring range from 2nd to 64th, harmonic energy measurement.

·Standard pulse output, pulse constant can be set automatically or manually.

·The pulse constant definition of MUT (meter under test) can be at class 0.0001.

·Able to calibrate kWh meter test equipment, and measure its degree of asymmetry/power stability/energy error/standard deviation and etc.

 

TECHNICAL SPECIFICATION:

 

VOLTAGE MEASUREMENT:

·Range can be switched automatically.

·Voltage measuring limit: (0-120) RG.

·Voltage measuring resolution：

    0.001%RG0.02%RG (15V≤U≤720V，Ua, Ub, Uc, Un input).

·Range： 1.5V,3V,7.5V,15V,30V (automatically).

    0.05%RD（0.75V-30V，Ua, Un input, low voltage measuring） UA/UB/UC three phase high voltage 60V,120V,240V,480V,600V

·Voltage measuring accuracy:

0.02%RD (30V≤U≤720V，Ua,Ub,Uc,Un input)

 

CURRENT MEASUREMENT:

·Range：10mA,20mA,50mA,0.1A,0.2A,0.5A,1A,2A,5A, 10A,20A,50A,100A (range switched automatically)

·Current measuring limit: (0～120%)RG

·Current measuring resolution: 0.001%×range

·Current measuring accuracy: 0.02%RD(25mA≤I≤120A) 0.02%RG (5mA-120A)  0.1%RD (2mA≤I＜25mA).

 

POWER MEASUREMENT:

·Active power measuring accuracy:

   Sine-wave active power:±0.02%RD(30V~720V,25mA~120A, PF≥0.5)

   Distorted wave active power:±0.02%RD(30V~720V,25mA~120A,

   Fundamental wave PF=1)

   Fundamental active power:±0.5%RD(30V~720V,25mA~120A, PF≥0.5)

   2nd-64th harmonic active power:±0.5%RD(30V~720V,25mA~120A)

   Total harmonic active power:±0.5%RD(30V~720V,25mA~120A)

·Reactive power measuring accuracy：

    Sine-wave reactive power:±0.02%RD(30V~720V，25mA~120A, PF≥0.5)

·Apparent power measuring accuracy：

   Sine-wave apparent power:±0.02%RD(30V~720V,25mA~120A)

 

ENERGY MEASUREMENT:

·Active energy measuring accuracy:

   Sine-wave active energy:±0.02%(30V~720V,25mA~120A,PF≥0.5)

   Distorted wave active energy:±0.02%(30V~720V,25mA~120A, fundamental wave: PF=1)

   Fundamental active energy:±0.5%(30V~720V,25mA~120A,PF≥0.5)

   2nd-64th harmonic active energy:±0.5%(30V~720V, 25mA~120A)

   Total harmonic active energy:±0.5%(30V~720V, 25mA~120A)

·Reactive energy measuring accuracy:

   Sine-wave reactive energy:±0.02%(30V~720V,25mA~120A, PF≥0.5)

·Apparent energy measuring accuracy:

   Sine-wave apparent energy:±0.02%(30V~720V, 25mA~120A)

·Phase measurement

   Phase measuring range: 0.00⁰～359.99⁰

   Phase measuring resolution: 0.0001⁰

   Phase measuring accuracy: 0.01⁰(current≥25mA, voltage≥30V)

 

FREQUENCY MEASUREMENT:

·Frequency measuring range: 40Hz~70Hz

·Frequency measuring resolution: 0.0001Hz

·Frequency measuring accuracy: 0.005Hz

 

POWER FACTOR MEASUREMENT:

·Power factor measuring range:  -1.0～0～+1.0

·Power factor measuring resolution: 0.0001

·Power factor measuring accuracy: 0.0002

 

ENERGY PULSE OUTPUT:

·Power pulse output constant (r/kWh)can be set, up to 70kHz.

·Power pulse is TTL/CMOS with electrical level output, load capacity >20mA.

·Acquiescent pulse output frequency: 900Hz---50KHz

 

ENERGY PULSE INPUT:

·MUT( meter under test) constant (r/kWh）range: 0.0001～9999999999999. Testing pulse number range (can be set): 1～3999999999

·Pulse highest receiving frequency: 75KHz

 

OTHERS:

·Working power supply: AC220V±15%, 50/60Hz;

·Power consumption: ＜50VA

·Warming-up time: ＜30Min

·Working temperature: 20℃～30℃; Relative humidity: ≤85%

·Dimension: 600mm×420mm×220mm

·Weight: 20KG