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| Customization: | Available |
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| After-sales Service: | 24 Hours Service |
| Warranty: | 3 Years |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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GF312V2S portable three phase reference meter on-site is the newest product produced by our company by widely visiting users and referring to the advantages of the same kind of products home and abroad. The measured part of the product adopts high speed 24bit A/D transmission to send DSP to conduct digital processing, unique power compensation algorithm with patented technology, which largely improves measured degree of accuracy and stability. Central processing part adopts 32-bit ARM embedded technology to make instrument interface novel, function abundant, operation distinct and easy, and performance steady. Class of accuracy: Class 0.02 or 0.05, range from 3×12A/3×600V or 3×120A/3×600V, with comfort portable design and light weight. The model GF312V2S portable reference meter is suit for electricity power utilities metrogical departments, Industrial and mining enterprises departments and electric lab to field use.
CT PT burden testing;
Measurement U & I wave;
Screen capture function;
Self adjusted clamp-on CTs;
7 inch color TFT touch LCD;
With smart optical sampler;
BT port and android APP optional;
USB and RS232 communication ports;
RS232 port for PC software control;
Accuracy class: 0.02%, 0.05%, 0.1%;
Measurement for energy register error;
Measurement of clock error of energy meter;
Large capacity storage device for mass memory;
Measurement of turn ratio & phase error for CT;
Calibration of all kinds of energy meter errors;
Power supply (lithium battery)/ 85-265V AC /U1Un (40-450V);
Display of vector diagram, phase sequence, waveform oscilloscoper;
Check wiring failures and calculation of electricity compensation;
Measurement of U, I, P, Q, S, phase angle, power factor, frequency etc;
Input two pulse signal for master and slave meter synchronously calibration;
5A, 20A, 100A, 200A, 500A, 1000A, 2000A, 3000A, 6000A current clamp optional;
Measurement U & I of harmonics of 2nd to 63rd, harmonics spectrum bar and trend charts;
Power plant;
Energy meter factory;
Electrical laboratory;
Power engineering company;
Electricity power utilities;
Metrological service center;
Distribution power corporation;
Electrical engineering service company;
Electricity power bureau & power company;
National Metrology and testing department;
Electrical Department of industrial and mining enterprises;
| Electrical parameters | |
|---|---|
| Accuracy class | 0.02%, 0.05%, 0.1% |
| Power supply | External power, 85-265V, 45-65Hz Phase voltage supply 40-450V, 45-65Hz Li-Battery supply optional |
| Voltage measurement | |
| Range | 0-600V |
| Error | ±0.05%; ±0.02% |
| Harmonic | 2nd - 63rd |
| Input impedance range | 245kΩ@ 250V; 10MΩ @5V |
| Stability | 0.01%/minute |
| Long term stability | <100 × 10E -6/Year |
| Current measurement | |
| Range (direct connection) | 1mA-12A or 1mA-30A or 1mA-120A |
| Range (clamp on CTs) | 1mA-120A |
| Clamp on CTs optional | 5A, 20A, 100A, 200A, 500A, 1000A, 2000A, 3000A, 6000A |
| Error (direct connection) | ±0.05% or ±0.02% |
| Error (clamp on CTs) | ±0.1% (1mA-120A ) ±0.2% (other) |
| Harmonic | 2nd - 63rd |
| Clamp diameter | 18mm or others |
| Input impedance range | 0.04Ω@ 0.05A-12A |
| Stability | 0.01%/minute |
| Long term stability | <100 × 10E -6/Year |
| Power measure error | |
| Active power (direct connection) | ±0.05% or ±0.02% |
| Active power (clamp on CTs) | ±0.1% (1mA-120A) |
| Reactive power (direct connection) | ±0.1% or ±0.05% |
| Reactive power (clamp on CTs) | ±0.2% (1mA-120A) |
| Stability | 0.01%/minute |
| Long term stability | <100 × 10E -6/Year |
| Energy measure error | |
| Active energy (direct connection) | ±0.05% or ±0.02% |
| Active energy (clamp on CTs) | ±0.1% (1mA-120A) |
| Reactive energy (direct connection) | ±0.1% or ±0.05% |
| Reactive energy (clamp on CTs) | ±0.2% (5mA-120A) |
| Stability | 0.01%/minute |
| Long term stability | <100 × 10E -6/Year |
| Phase angle | |
| Range | 0°-360° |
| Resolution | 0.001° |
| Error | ±0.015° |
| Frequency | |
| Range | 15Hz-70Hz |
| Resolution | 0.0005Hz |
| Error | 0.001Hz |
| Reference meter | |
| Measuring modes | 2WA/2WR/2WAP 3WA/3WR/3WAP/3WRCA/3WRCB 4WA/4WAb/4WR/4WRb/4WAP/4WAPb/4WRC |
| Brandwidth | 3000Hz |
| Sampling | 16 bit 504 samplers/period |
| Pulse output | |
| Energy constant | 250000 |
| Pulse ratio | 1:1 |
| Output level | 5V |
| Pulse output constant programmable | 1-250000 when f=60KHz |
| Pulse input | |
| Input channel | 3 |
| Input level | 3-12V |
| Input frequency | Max. 2MHz |
| Display | |
| Resolution | 800×480 |
| LCD | 7" TFT color touch |
| Function | |
| Vector diagram | Yes |
| Waveform | Yes |
| Energy accumulation | Yes |
| CT ratio test | Yes |
| CT PT programmable | Yes |
| CT PT burden test | Yes |
| Local parameter input | Yes |
| Wiring emulation | Yes |
| Self-calibration | Yes |
| Recorder check | Yes |
| Data storage | Yes |
| GPS | Yes, optional |
| Data storage qty | 10000 |
| External extend memory | Yes |
| Screen printing | Yes |
| Communication port | USB/RS232 /BT/WIFI/Ethernet port |
| Communication with PC | Yes |
| Upload data | Yes |
| External thermal printer | Yes |
| External keyboard | Yes, 26pcs keys |
| Safety | |
| IP class according to DIN EN 60529 | IP65 |
| Declaration of conformity | CE & CNAS conform |
| Protection class according to DIN EN 61140 | II |
| Overvoltage category voltage measurement | CAT III 600V |
| Overvoltage category current | CAT III 600V |
| Mechanical parameters | |
| Dimensions (W×H×D)(mm) | 365 × 269 × 151 |
| Weight (kg) | 4.5 |
| Environmental conditions | |
| Ambient temperature | -25°C to +50°C |
| Storage temperature | -30°C to +65°C |
| Relative humidity | 30%-95% |
| Power consumstion | ≤13VA |
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