เครื่องวัดค่าพลังงานไฟฟ้า
Energy Meter
รุ่น HiTESTER 3286-20
คุณลักษณะ
เครื่องบันทึกพลังงานไฟฟ้าและฮาร์มอนิคส์แบบมือถือ ใช้สำหรับไฟฟ้า Single-Phase และ Three-Phase
วัดค่าได้หลากหลาย Voltage, Current, Voltage/Current Peak, Active/Reactive/Apparent power, Power Factor, Phase Angle, Reactivity, Frequency, Voltage/Current Harmonic Levels , Waveform Peak, Phase Detection, Max./Min. Value Record, Data Hold, Auto Power Off, RS-232C Output (Options are Discontinued, So Cannot Use RS-232C)
- Display LCD, Max. 6000 Digits, Display Refresh Rate : 1 Time/s (Normal) 1 Time/3s (Slow), 1 Time/2s (Harmonic Level)
- Power Supply Stacked Alkaline Battery (6LR61, 6LF22) ×1, Continuous use: 25 Hours
- Core Jaw Dia. φ 55 mm (2.17 in) or 80 mm (3.15 in) × 20 mm (0.79 in) Bus-Bar
- Dimensions and Mass 100 mm (3.94 in) W × 287 mm (11.3 in) H × 39 mm (1.54 in) D, 650 g (22.9 oz)
คุณสมบัติ
| Basic specifications | |
|---|---|
| Measurement items | Voltage, current, voltage/current peak, effective/reactive/apparent power(Single-phase or 3-phase), power factor, reactivity, phase angle, frequency, phase detection(3-phase), Voltage/current harmonic levels (up yo 20th) |
| conductor diameter |
Ø55mm(2.16"), 80x20 mm busbar max |
| Display | LCD, digital(6000 counts) |
| Retification method | RMS (true root mean square value) |
| Display update rate | NORMAL approx 1 time/sec, SLOW 1 time/3-sec at HARM meas. approx 1 time/2-sec |
| Analog response time | 4.0 seconds or less (when input is chaged from 0% to 90% of range.) |
| Effective value P.F | 0.000 (lead) to 1.000 to 0.000(lag); 1Ø only |
| Max allowable current | 1000 Arms cont. |
| Max sable circuit voltage | 600Vrms (imsulated conductor) |
| Effective input range | Votage 10V to 600V, Currrent 1A to 100A, Power 80V to 600V and 1A to 1000A |
| Min Display value | Voltage 0.6Vrms, Current 0.06Arms |
| Display indication range (RMS) |
5 or less are zero-suppressed, and the upper limit is to 125% of the range setting (to 100% for the 1000A range) |
| Circuit dynamic | 2.5 or less (1000A and 600V range is 1.7 or less) |
Voltage/Current/Power Measurement
| Range table | AC Current | ||||
|---|---|---|---|---|---|
| 20.00A | 200.0A | 1000A | |||
| AC Voltage | 150.0V | Single-phase | 3.000kW | 30.00kW | 150.0kW |
| *3-phase (balanced load) |
6.000kW | 60.00kW | 300.0kW | ||
| 300.0V | Single-phase | 6.000kW | 60.00kW | 300.0kW | |
| *3-phase (balanced load) |
6.000/12.00kW | 6.000/12.00kW | 600.0kW | ||
| 600V | Single-phase | 12.00kW | 120.0kW | 600.0kW | |
| *3-phase (balanced load) |
24.00kW | 240.0kW | 600.0/1200kW | ||
*3-phase power is calculated and displayed on the basis of a balanced, 50/60Hz, sine wave input.
For apparent power and reactive power, the unit of watts in the above table is replaced by VA and var repectively.
| Power factor/Phase angle/Reactivity measurement | |
|---|---|
| Detection method | Phase discrimination by phase detection (zero crossing) |
| Power factor (cosϕ) | 0.000 (lead) to 1.000 to 0.000 (lag) |
| Phase angle | 90.0° (lead) to 0.0° to 90.0°(lag) |
| Reactivity (sinϕ) | 0.000(lead) to 1.000 to 0.000 (lag) |
| [Frequency measurement] Effective in the voltage and current function | |
|---|---|
| Measurement rage | 30.0Hz to 100Hz (at 100.0Hz range) 100Hz to 1000Hz (at 1000Hz range) |
| Min. input level | Voltage 10 Vrms-sine wave, Current 1 Arms-sine wave |
| [Wave peak measurement] Effective in the voltage and current functions | |
|---|---|
| Measurement range | 150(375 peak) / 300(750 peak) / 600(1020 peak) V 20(50 peak) / 200(500 peak) / 1000(1700 peak) A |
| Effective Input Range | Effective value of sine wave is within effective input permissible in the range and within circuit dynamic |
| [Harmonic measurement] Effective in the voltage and current functions | |
|---|---|
| Measurement items | Level of each order, percentage of each order and total harmonic distortion (THD-F and THD-R) |
| Measurement range | Fundamental frequency 50/60Hz |
| Window width | 1 cycle(50/60Hz), Data point 256 point |
| Window type | Rectangular |
| Order analyzed | Up to 20th |
| [Other function] | ||||
|---|---|---|---|---|
| Phase detection | Normal / reverse / missing (at 3-phase balanced load) | |||
| Record | MAX. value and MIN. value (Effective in the voltage, current and effective / apparent power functions) | |||
| Battery capacity | Displayed in % when the unit is powered on | |||
| Data hold | Holds display | |||
| Auto power off | Approx 10 minutes, buzzer sounds just before power is turned off, can be extended or cancelled | |||
| Data output | RS-232C interface by optical insulating coupler | |||
| Frequency | ±0.3%rdg ±1dgt(at 100.0Hz range) ±1.0%rdg ±1dgt(at 1000Hz range) |
|||
| Wave peak | ±3.0%rdg ±5dgt(45Hz to 1kHz) | |||
| Thermal coefficient | Voltage and current within±0.1XAccuracy/°C (0 to 40°C) Phase within±2° (0 to 40°C) | |||
| Condutor position | Within ±0.7% in any direction from the center of sensor | |||
| External magnetic field | 400A/m corresponds to 1.00 A max | |||
| Power factor influence | ±10.0%f.s (cosϕ = 0.5) | |||
| Harmonics | Oder | Accuracy | Oder | Accuracy |
| 1 | ±3.0%rdg±10dgt | 9, 10 | ±5.0%rdg ±10dgt | |
| 2 to 6 | ±3.5%rdh±10dgt | 11 to 15 | ±7.0%rdg ±10dgt | |
| 7, 8 | ±4.5%rdg±10dgt | 16 to 20 | ±10.0%rdg ±10dgt | |
| General Specification | ||||
|---|---|---|---|---|
| Applicable standards | Safety EN61010-1:1992+A2:1995CAT III600V EN61010-2-031:1996,EN61010-2-032:1995 EN60529:1991 IP40 EMC EN61326-1:1994+A1:1998+A2:2001 |
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| Withstand voltage (50/60Hz, 1 minute) |
5.55kV AC between clamp and frame, between clamp and circuitry | |||
| Measurement method | Digital sampling method | |||
| Operating temperature | 0 to 40°C, 80%rh or less, no condensation | |||
| Strorage temperature | -10 to 50°C, no condensation | |||
| Power supply (9V battery) |
6LR61 alkaline batteryX1 (continuous operation max 25 hours) 6F22 manganese batteryX1 (continuous operation max 10 hours) |
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| Dimensions, mass | Approx 100W x 287H x 39D mm. Approx 650g (Approx 3.94"(W)11.3"(H)1.54"(D),Approx 22.6oz) |
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