1777 Three-Phase Power Quality Analyzer, Basic
SKU: FLUKE-1777/BASIC
At-a-glance power quality health for faster troubleshooting. Capture high-speed transients up to 8 kV. View V/A/Hz, power, dips, swells, and harmonics data.
$14,110.99
List price. Volume pricing available.
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At-a-glance power quality health for faster troubleshooting. Capture high-speed transients up to 8 kV. Easily view V/A/Hz, power, dips, swells, and harmonics data.
Key Features
- Fast Trend logging (firmware 3.3.1): records 200 ms intervals, 10 cycles at 50 Hz or 12 cycles at 60 Hz, for motor starts, inrush, and other fast load changes. Viewed in Fluke Energy Analyze Plus 3.14 or later.
- Automatically measure power and power quality parameters
- At-a-glance power quality health for faster troubleshooting
- Easily view V/A/Hz, power, dips, swells, and harmonics data
- Capture high-speed transients up to 8 kV
- Power directly from measurement circuit without a line cord
Software note: instruments on firmware 3.3.1 (September 2026) require Fluke Energy Analyze Plus 3.14 or later to download and analyze recorded data. Earlier software versions can fail on download from an updated instrument. The software is a free download from Fluke.
The Fluke 1777 Three-Phase Power Quality Analyzer, Basic FLUKE-1777/BASIC is manufactured by Fluke. Valley Instrument Service is an authorized Fluke dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.
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Contact Us or Call (661) 327-8681| Number of inputs | 4 inputs, 3 phases and neutral referenced to PE (5 connectors) |
| Measurement category | 1000 V CAT III / 600 V CAT IV |
| Maximum input voltage | 1000 V rms / 1000 V dc (1700 Vpk) |
| Nominal voltage range | Wye and single phase: variable (50 V – 1000 V)Delta: Variable (100 V – 1000 V)IEC 61000-4-30 Class A compliance for the nominal voltages (Vdin) 100 V – 690 V |
| Input impedance | 10 MΩ between P-P and P-N, 5 MΩ between P-PE and N-PE |
| Bandwidth | DC to 30 kHz for PQ measurements, excluding transients |
| Resolution | 24-bit synchronous sampling |
| Sampling frequency | 80 kS/s at 50/60 Hz |
| Scaling | 1:1, variable for use of potential transformers |
| Measurement range | ±8 kV |
| Sampling rate | 1775: 1 MS/s1777: 1 MS/s, 20 MS/s |
| Trigger | Adjustable trigger level. Triggers on high-frequency components > 1.5 kHz |
| AC | 1 A to 1500 A with i17XX-FLEX1500 121 A to 1500 A with i17XX-FLEX1500 181 A to 1500 A with i17XX-FLEX1500 243 A to 3000 A with i17XX-FLEX3000 246 A to 6000 A with i17XX-FLEX6000 3640 mA to 40 A with clamp i40s-EL4 A to 400 A with clamp i400s-EL |
| DC | 20 A to 2000 A with 80i-2010-EL clamp |
| Input voltage | Clamp: 50 mV / 500 mV rms; CF 2.8Rogowski Coil: 15 mV / 150 mV rms at 50 Hz, 18 mV / 180 mV rms at 60 Hz; CF 4all at nominal probe range |
| Range | Wired connection with 17XX-AUX adapter |
| Input range | Direct: 0 V dc to ± 10 V dc0 V to 1000 V dc |
| Scale factor | Format: mx + b (gain and offset) user configurable |
| Displayed units | User configurable (up to 8 characters, for example °C, psi, or m/s) |
| Input mains frequency | DC, 50/60 Hz 15 % (42.5 Hz … 57.5 Hz, 51 Hz … 69 Hz) |
| Topologies | 1-φ, 1-φ IT, Split phase, 3-φ delta, 3-φ wye IT, 3-φ Aron/Blondel (2 element delta), 3-φ delta open leg, 3-φ high leg delta |
| Data storage | Fluke 1773/1775: 8 GB internal (expandable with microSD card)Fluke 1777: 32 GB microSD card (installed) |
| Memory size | Typical 10 logging sessions of 8 weeks with 1-minute intervals and 100 events.The number of possible logging sessions and logging period depends on user requirements |
| Real time accuracy | Internal: 3 ppm (0.26 s per day, 8 s per month)NTP (internet time): Depending on internet latency, typical GPS: < 1 ms absolute to UTC |
| Measured parameter | See operator manual |
| Trend interval | User selectable: 1 sec, 3 sec, 5 sec, 10 sec, 30 sec, 1 min, 5 min, 10 min, 15 min, 30 min |
| Averaging interval min/max values | Voltage, Current: ½ cycle RMS (20 ms at 50 Hz, 16.7 ms at 60 Hz)Aux, Power: 200 ms |
| Total harmonic distortion | THD for voltage and current is calculated on 50 harmonics |
| Harmonics | h0 … h50% fund and RMS for voltage, current and powerPhase angles for voltage and current up to h11 |
| Interharmonics | ih0… ih50% fund and RMS for voltage and current |
| Supraharmonics | 2–9 kHz with 200 Hz bins9–30 khz with 2 kHz binsRMS for voltage and current |
| Harmonics measurement method | Grouped, sub-grouped and single harmonic bins according to IEC 61000-4-7.Method selected automatically based on configured PQ standard or user configurable. |
| Mains signaling | 2 frequencies in the range from 110 Hz to 3000 Hz |
| Voltage | Dip, swell, interruption, rapid voltage change, mains signaling, waveshape deviation, transients |
| Current | Inrush current |
| Triggered recordings | Half cycle RMS of voltage and current for 10 sWaveform of voltage and current for 10/12 cyclesMains signaling: 200 ms RMS of mains signaling voltage up to 120 sTransients: Waveform of voltage(Fluke 1777: 1 MS/s or 20 MS/s, 500,000 pts, Fluke 1775: 1 MS/s, 25,000 pts) |
| Power | IEEE 1459 |
| Flicker | IEC 61000-4-15 Class F1 |
| Power quality | IEC 61000-4-30 Class A, IEC 62586 PQI-A-PI |
| Power quality compliance | EN 50160 + GOST + NEQUAL + NETCODE + FOL |
| Ethernet | 1 Gbit/s 1000BASE-T |
| USB type A | USB 2.0 high speed for USB flash drives to transfer measurement data, firmware updates and license installation. Max. supply current: 500 mA |
| USB-C | USB 2.0 high speed for data download to PC and calibration (requires USB type A to USB-C or USB-C to USB-C cable)Auxiliary power supply for the Analyzer (requires USB C power adapter PD 2.0 or higher with 9 V 1.8 A support)USB 3.0 super-speed for USB-C flash drives to transfer measurement data, firmware updates and license installation. Max. supply current: 900 mA |
| WiFi/BLE module1 | 802.11 ac 2.4 GHz / 5 GHz, support for concurrent access point and client modeBluetooth 5.0/BLEAntenna: Internal and external2 |
| LTE/4G module3 | LTE-A Cat 12Worldwide LTE-A and UMTS/HSPA+ coverageAntenna: External2 |
| GPS | MCX connector to attach a GNSS antenna for GPS/GLONASS2 |
| Events | 1 Not in 177X/BASIC versions2 Requires 5m extension cable, Fluke p/n 52639153 Availability and supported providers vary by country. Check with your local Fluke representative. |
| Voltage dips and swells | - |
| Voltage transients | ±8 kVpk |
| Voltage harmonics/interharmonics | 100 % |
| THD on voltage | 100 % |
| Voltage distortions 2-9 kHz | Max 100 V |
| Voltage distortions 9-30 kHz | Max 100 V |
| With iFlex 1500 A,i17XX-FLEX1500 18 | 150 A1500 A |
| With iFlex 3000 A,i17XX-FLEX3000 24 | 300 A3000 A |
| With iFlex 6000 A,i17XX-FLEX6000 36 | 600 A6000 A |
| With AC clamp 40 A,i40s-EL | 4 A40 A |
| With AC clamp 400 A,i400s-EL | 40 A400 A |
| With AC/DC clamp2000 A, 80i-2010s-EL | 200 A2000 A |
| Current min/max | 100 % |
| Current harmonics/interharmonics | 100 % |
| THD on current | 100 % |
| Frequency | 42.5 Hz … 69 Hz |
| Voltage unbalance | 100 % |
| Current unbalance | 100 % |
| Flicker Pinst, Pst, Plt | 0 to 20 |
| Mains signaling voltage | Up to 3 kHz0-15 % of Vnom |
| AUX input | ±10 V |
| Clamp: 50 mV / 500 mVRogowski: 15 mV / 150 mV | 4 A / 40 A |
| Clamp: 50 W / 500 WRogowski: 15 W / 150 W | 4k W / 40 kW |
| Max. resolution W, VA, var | 0.1 W |
| Phase (voltage to current)1 | ±0.2° |
| 150 A / 1500 A | 300 A / 3000 A |
| 150 kW / 1.5 MW | 300 kW / 3 MW |
| PF ≥ 0.99 | 150 A / 1500 A |
| 1.2 % + 0.005 % | 1.2 % + 0.0075 % |
| Active energy Ea | 0.1 ≤ PF < 0.99 |
| Apparent power SApparent energy Eap | 0 ≤ PF ≤ 1 |
| Reactive power QReactive energy Er | 0 ≤ PF ≤ 1 |
| Additional uncertainty(% of power high range) | VP-N > 250 V |
| Phase (voltage to current) | - |
| Warranty | Analyzer: 2 years (battery not included)Accessories: 1 year (including battery) |
| Calibration cycle | 2 years |
| Size (L X W X HD) | 28.0 cm x 19.0 cm x 6.2 cm (11.0 in x 7.5 in x 2.4 in) |
| Weight | 2.1 kg (4.6 lb) |
| Anti-theft protection | Slot to support Kensington lock |
| Operating temperature range | -10 °C to 50 °C |
| Storage temperature range | -20 °C to 60 °C |
| Operating humidity | IEC 60721-3-3: 3K5, modified:-10 °C to 30 °C: ≤95 %, no condensation or ice35 °C: 70 %40 °C: 55 %50 °C: 35 % |
| IP Rating | IEC 60529: IP50 |
| Vibration | IEC 60721-3-3 / 3M2 |
| Voltage range | 100 V – 600 V -15 % / +10 % (85 V … 660 V) |
| Power consumption | Max. 40 VA |
| Mains frequency | 50/60 Hz (42.5 Hz … 69 Hz) |
| UPS | Li-Ion battery BP1770 with extended temperature range, customer replaceableOn-battery runtime: 1.5 hours |
| General | IEC 61010-1: Pollution Degree 2 |
| Power supply | Overvoltage Category IV 600 VWith Mains Adapter MA-C8: Overvoltage Category II 300 V |
| Measurement | IEC 61010-2-030: CAT IV 600 V, CAT III 1000 V |
| Altitudes 2000 m to 4000 m | Derate to:Power Supply: Category IV 300 VWith MA-C8 Adapter: Category II 150 VMeasurement: CAT IV 300 V, CAT III 600 V, CAT II 1000 V |
This product is part of a family with 6 models. Select a model below to view details.
| Model | Price | |
|---|---|---|
FLUKE-1773/BASIC | $8,260.99 | View Details → |
FLUKE-1773 | $9,115.99 | View Details → |
FLUKE-1775/BASIC | $11,123.99 | View Details → |
FLUKE-1775 | $11,978.99 | View Details → |
FLUKE-1777/BASICCurrent | $14,110.99 | Viewing |
FLUKE-1777 | $14,965.99 | View Details → |
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