리퍼비시 계측기
리퍼비시 계측기
FLUKE-1750
- ModelFLUKE-1750
- MakerFLUKE
- DescriptionFluke 1750 Three-Phase Power Quality Logger
- Rental문의요망
- Stock문의요망
- Three-phase power quality recorder with an Android tablet wireless front panel interface
- Complies with IEC 61000-4-30 Class-A standards for correct evaluation of all measured values
- Supports quick and reliable configuration even in awkward test locations with the wireless interface that provides a window into what the instrument is recording
| Technical Specifications | ||
| Power quality measurement standards | Conformance | IEC 61999-1-4 Class 1, IEC 61000-4-30 Class A, S or B depending on measurement function, IEEE519, IEEE1159, IEEE1459 and EN50160 |
| Clock/calendar | Leap years, 24-hour clock | |
| Real-time clock accuracy | Not more than ±1 s/day | |
| Internal memory capacity for data | At least 2 GB | |
| Maximum recording period | At least 31 days | |
| Measurement time control | Automatic | |
| Maximum number of events | Limited only by the size of the internal memory | |
| Power requirements | 100 to 240 V rms ±10%, 47-63 Hz, 40 W | |
| Operating time during interruptions (internal UPS operation) | 5 minutes per interruption, 60 minutes total operating time without recharging | |
| Dimensions | 215 x 310 x 35 mm (8.5 x 12.2 x 3.5 in) | |
| Mass (weight) | 6.3 kg (14 lb) | |
| Input | Measurement types | One Phase Plus Neutral, One Phase IT No Neutral, One Phase Split Phase, Three Phase Wye, Three Phase Delta, Three Phase IT, Three Phase High Leg, Three Phase Open Leg, 2 Element Delta, 21/2 Element Wye |
| Input channels | Voltage: 4 channels, AC/DC | |
| Current: 5 channels | ||
| Voltage channels | Input resistance: 2 MΩ | |
| Input capacitance: < 20 pF | ||
| Current input characteristics | 2 V rms = full scale, 1 MΩ Input Impedance for ferro CTs, low impedance for Flexi-CTs | |
| Measuring method | Simultaneous digital sampling of voltage and current. Digital PLL synchronized sampling, internal frequency reference used during voltage drops. | |
| Synchronization and sampling | PLL-synchronization source | The PLL synchronizes to the A-N voltage for wye power types, and to the A-B voltage for delta power types. All listed power types can be characterized as either wye or delta. |
| PLL lock range | 42.5 to 69 Hz | |
| Sampling frequency | Voltage and current: 256 samples/cycle Inter-harmonics per IEC 61000-4-7: 2 560 points/10 cycles (50 Hz), 3072 points/12 cycles (60 Hz) Transient Voltage: 5 MHz | |
| A/D resolution | Voltage and current: 24 bits | |
| Transient voltage: 14 bits | ||
| Voltage and current measurements | Voltage measurement range | AC voltage: 1000 V rms ±10% over range |
| DC voltage: ±1000 V + 10% over range | ||
| Voltage crest factor | 3 or less | |
| Current measurement range | Depends on current probe used | |
| Current crest factor | 4 or less | |
| RMS voltage | Measurement type | True rms calculated continuously: every cycle, every 1/2 cycle, and every 10 or 12 cycles at 50 or 60 Hz respectively, as required by IEC 61000-4-30. |
| Measurement uncertainty | AC: ±0.2% reading ±0.1% full scale, above 50 V rms | |
| DC: ±0.5% reading ±0.2% full scale, above 50 V dc | ||
| RMS current | Measurement type | True RMS calculated continuously: every cycle, every 1/2 cycle, and every 10 or 12 cycles at 50 or 60 Hz respectively, as required by standards |
| Transient voltage (impulse) | Measurement type | Waveshape sampling |
| Full scale | 8000 V pk | |
| Sample resolution | 200 nS | |
| Measurement uncertainty | ±5% reading ±20 V (test parameters: 1000 V DC, 1000 V rms, 100 kHz) | |
| Voltage swell (rms swell) | Measurement type | True RMS (one cycle calculation by overlapping each half cycle – voltage between lines is measured for 3P3W lines and phase voltage is measured for 3P4W lines) |
| Displayed data | Amplitude and duration of swell | |
| Measurement | Same as rms voltage | |
| Voltage dip (rms sag) | Measurement type | True RMS (one cycle calculation by overlapping each half cycle – voltage between lines is measured for 3P3W lines and phase voltage is measured for 3P4W lines) |
| Displayed data | Amplitude and duration of dip or interruption | |
| Measurement | Same as rms voltage | |
| Voltage dropout (interruption) | Measurement type | Same as voltage dip |
| LAN interface | Connector | RJ-45 |
| Speed and type | 10/100 Base-T, auto MDIX | |
| Communications protocol | TCP/IP over Ethernet | |
| Wireless controller interface | Connection | wireless (2.4 GHz radio) |
| Speed | up to 700 kbit/second | |
| Communications protocol | Bluetooth SPP | |
| Power Measurements | ||
| Power, battery life | Measurement type | True RMS calculated continuously: every cycle, and every 10 or 12 cycles at 50 or 60 Hz respectively, as required by standards |
| Frequency | Measurement range | 42.5 to 69 Hz |
| Measurement source | Same as PLL synchronization source | |
| Measurement accuracy | ±10 mHz (10 to 110% of range, with sine wave) | |
| Power factor | Measurement range | 0.000 to 1.000 |
| Measurement accuracy | ±1 digit from the calculation of each measured value (±3 digits for total) | |
| Displacement power factor | Measurement method | Calculated from the phase difference between voltage fundamental and current fundamental |
| Measurement range | – 1.000 (leading) to + 1.000 (lagging) | |
| Measurement accuracy | ±0.5% reading ±2% full scale ±1 digit | |
| Voltage unbalance and phase sequence | Measurement method | Positive sequence voltage divided by negative sequence voltage, per IEC 61000-4-30 |
| Harmonic voltage and current | Analysis window | rectangular |
| Analysis order | 1st to 50th order | |
| Measurement accuracy | Voltage / Current: 1st to 20th orders: ±0.5% reading ±0.2% full scale, 21st to 50th orders: ±1% reading ±0.3% full scale (current sensor accuracy must be included for current and power) | |
| Measurement method | IEC 61000-4-7 | |
| Inter-harmonic voltage and current (intermediate harmonics) | Analysis window | rectangular |
| Analysis orders | 1.5 to 49.5th order | |
| Measurement method | IEC 61000-4-7 | |
| Flicker | Measurement method | IEC 61000-4-15 |
| Plt for 2 hours and Pst for 10 minutes | ||
| Measuring range | 0,1 to 5 (25) depending on voltage level, modulation and frequency | |
| Environmental Specifications | ||
| Environmental | Operating environment | Indoors or in covered area outdoors, up to 2,000 m altitude |
| Storage temperature and humidity | -20°C to 50°C, 80% RH max, non-condensing | |
| Operating temperature and humidity | 0°C to 40°C, 80% RH max, non-condensing | |
| Maximum rated working voltage | Voltage terminals | 1100 V rms |
| Voltage durability | 5550 V rms AC for 1 minute, between voltage input terminals, voltage input terminals and current probes, and voltage input terminals and case (50/60 Hz, 1 mA sense current) | |
| Enclosure protection | IP30 (per EN 60529) | |
| Standards | EMC | EN 61326-1:1997+A1:1998 Class A |
| EN 61000-3-2:1995+A1:1998+A2:1998 | ||
| EN 61000-3-3:1995 | ||
| Safety | EN 61010-1 2 nd Edition; 2 000 | |
| Voltage input unit: Contamination Level 2 , Overvoltage Category 1000 V CAT III, 600 V CAT IV (anticipated overvoltage: 8000 V) | ||
