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The Fluke 1777 incorporates advanced transient capture technology to help you clearly identify high-speed voltage transients, so you have the data you need to stop them in their tracks. The 1777 has 20MHz sampling capability to capture the fastest transients in high detail. The FLUKE-1777 includes i17XX-FLEX1500 24" current probes and a WiFi/BLE adapter.
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Includes:
- • FLUKE-1777 Power Quality Analyzer
- • I17XX-FLEX1500 24 iFLEX 1500A 24 IN (2.0M) current probes
- • FLUKE-17XX flat cable voltage test lead 3-phase+N
- • AC285 black alligator clip
- • AC285 green alligator clip
- • Black 1m USB-C cable
- • Line cord
- • FLK-17XX 0.18M test lead set
- • Green test lead
- • MP1-3R/1B Magnet Probe set
- • FLUKE-174X-HANGER magnetic hanging kit
- • FLUKE-177X-4204, WI-FI/BLE module
- • Cable marker set (for voltage and current)
- • FLUKE-174X-MA-C8 wall outlet adapter
- • FLUKE-1777 HARDCASE rolling hard case
Key features
Voltage inputs | |
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) |
| Wye and single phase: variable (50 V – 1000 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 |
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Voltage transients | |
Measurement range | ±8 kV |
Sampling rate | 1775: 1 MS/s |
Bandwidth | DC to 1 MHz |
Trigger | Adjustable trigger level. Triggers on high-frequency components > 1.5 kHz |
Resolution | 14-bit synchronous sampling |
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Current inputs | ||
Number of inputs | 4 inputs 3 phases and Neutral, range selected automatically to attached sensor | |
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| 1 A to 1500 A with i17XX-FLEX1500 12 |
DC | 20 A to 2000 A with 80i-2010-EL clamp | |
Bandwidth | DC to 30 kHz | |
Resolution | 24-bit synchronous sampling | |
Sampling frequency | 80 kS/s at 50/60 Hz | |
Scaling | 1:1, variable | |
| Clamp: 50 mV / 500 mV rms; CF 2.8 | |
Input impedance | 11 kΩ |
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Aux inputs | |
Wired connection with 17XX-AUX adapter | |
Number of inputs | 2 |
Input range | Direct: 0 V dc to ± 10 V dc |
Input impedance | Direct: 2.92 MΩ |
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) |
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Data acquisition voltage and current | |
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) |
| Typical 10 logging sessions of 8 weeks with 1-minute intervals and 100 events. |
| Internal: 3 ppm (0.26 s per day, 8 s per month) |
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Trend interval | |
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) |
Total harmonic distortion | THD for voltage and current is calculated on 50 harmonics |
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Power quality measurements | ||
Measured parameter | See operator manual | |
| h0 … h50 | |
Interharmonics | ih0… ih50 | |
| 2–9 kHz with 200 Hz bins | |
Harmonics measurement method | Grouped, sub-grouped and single harmonic bins according to IEC 61000-4-7. | |
Total harmonic distortion | Calculated on up to 50 harmonics (depends on selected PQ standard) | |
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 | |
| Half cycle RMS of voltage and current for 10 s |
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Standard compliance | |
Power | IEEE 1459 |
Harmonics | IEC 61000-4-7: Class 1 |
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 |
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Interfaces | |
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 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) |
WiFi/BLE module1 | 802.11 ac 2.4 GHz / 5 GHz, support for concurrent access point and client mode |
LTE/4G module3 | LTE-A Cat 12 |
GPS | MCX connector to attach a GNSS antenna for GPS/GLONASS2 |
1 Not in 177X/BASIC versions |
Electrical measurement accuracy
Parameter | Range | Resolution | Intrinsic Accuracy at Reference Conditions | |
 Voltage |  1000 V |  0.1 V | 0.1 % of nominal voltage | |
Voltage dips and swells | - | 0.1 V | 0.2 % of Vnom1,2 | |
Voltage transients | ±8 kVpk | - | ±5 % +0.25 %) | |
Voltage harmonics/interharmonics | 100 % | 0.1 % / 0.1 mV | ≥1 % Vnom1:  ±2.5 % of rdg. | |
THD on voltage | 100 % | 0.1 % / 0.1 V | ±(2.5 % + 0.5 %) | |
Voltage distortions 2-9 kHz | Max 100 V | 0.1 mV | ±(2.5 % + 0.1 V) | |
Voltage distortions 9-30 kHz | Max 100 V | 0.1 mV | ±(2.5 % + 0.1 V) | |
     Current | With iFlex 1500 A, | 150 A | 0.01 % | ±(1 % + 0.02 %) |
With iFlex 3000 A, | 300 A | 0.01 A | ±(1 % + 0.03 %) | |
With iFlex 6000 A, | 600 A | 0.1 A | ±(1.5 % + 0.03 %) | |
With AC clamp 40 A, | 4 A | 0.001 A | ±(0.7 % + 0.02 %) | |
With AC clamp 400 A, | 40 A | 0.01 A | ±(2 % + 0.2 %) | |
With AC/DC clamp | 200 A | 0.01 A | ±(0.8 % + 0.2 %) | |
Current min/max | 100 % | defined by accessory | x2 of intrinsic accuracy | |
Current harmonics/interharmonics | 100 % | 0.1 % / 0.01 A | ≥3 % Inom:  ±2.5 % of rdg.4 | |
THD on current | 100 % | 0.1 % | ±(2.5 % + 0.5 %) | |
Frequency | 42.5 Hz … 69 Hz | 0.001 Hz | ±0.01 Hz | |
Voltage unbalance | 100 % | 0.1 % | ±0.15 % | |
Current unbalance | 100 % | 0.1 % | ±0.15 % | |
Flicker Pinst, Pst, Plt | 0 to 20 | 0.01 | 5 % | |
| Up to 3 kHz |
| 1-3 % Vnom: ±0.15 % of Vnom | |
AUX input | ±10 V | 0.1 mV | ±(0.2 % + 0.05 %) | |
1 Nominal voltage in the range of 100 V to 690 V. Also known as Udin. |
Power/Energy
Parameter | Direct Input1 | Clamp i40S-EL |
| Clamp: 50 mV / 500 mV | 4 A / 40 A |
Clamp: 50 W / 500 W | 4k W / 40 kW | |
Max. resolution W, VA, var | 0.1 W | 1 W / 10 W |
Phase (voltage to current)1 | ±0.2° | ±1° |
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Parameter | iFlex 1500A, I17XX-FLEX1500 24 | iFlex 3000A, I17XX-FLEX3000 | iFlex 6000A, I17XX-FLEX6000 |
Power range W, VA, var | 150 A / 1500 A | 300 A / 3000 A | 600 A / 6000 A |
150 kW / 1.5 MW | 300 kW / 3 MW | 600 kW / 6 MW | |
Max. resolution W, VA, var | 0.1 kW / 1kW | 1 kW /10 kW | 1 kW / 10k W |
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Parameter | Â | I17XX-FLEX1500 24 | I17XX-FLEX3000 | I17XX-FLEX6000 |
Active power P | PF ≥ 0.99 | 150 A / 1500 A | 300 A / 3000 A | 600/6000 A |
1.2 % + 0.005 % | 1.2 % + 0.0075 % | 1.7 % + 0.0075 % | ||
Active energy Ea | 0.1 ≤ PF < 0.99 | (1.2+√(1-PF2)/(2 PF)) % + 0.005 % | (1.2+√(1-PF2)/(2 PF)) % + 0.0075 % | (1.7+√(1-PF2)/(2 PF)) % + 0.0075 % |
Apparent power S | 0 ≤ PF ≤ 1 |
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Reactive power Q | 0 ≤ PF ≤ 1 | 2.5 % of measured apparent power/energy | ||
Additional uncertainty | VP-N > 250 V |
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Phase (voltage to current) | - | 0.28° | 0.28° | 0.28° |
1 Nominal voltage in the range of 100 V to 690 V. Also known as Udin. Reference Conditions Environmental: 23 °C ±5 °C, instrument operating for at least 30 minutes, no external electrical/magnetic field, RH <65 % Input conditions: Cos Φ/PF=1, Sinusoidal signal f=50/60 Hz, power supply 120 V/230 V ±10 %. Current and power specifications: Input voltage >100V Input current > 10 % of current range Primary conductor of clamps or Rogowski coil in center position Temperature coefficient: Add 0.1 x specified accuracy for each degree °C above 28 °C or below 18 °C |
General specifications
Key features | |
Warranty | Analyzer: 2 years (battery not included) |
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 |
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Environmental specifications | |
Operating temperature range | -10 °C to 50 °C |
Storage temperature range | -20 °C to 60 °C |
| IEC 60721-3-3: 3K5, modified: |
IP Rating | IEC 60529: IP50 |
Vibration | IEC 60721-3-3 / 3M2 |
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Power supply | |
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 replaceable |
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Safety | |
General | IEC 61010-1: Pollution Degree 2 |
Power supply | Overvoltage Category IV 600 V |
Measurement | IEC 61010-2-030: CAT IV 600 V, CAT III 1000 V |
 Altitudes 2000 m to 4000 m | Derate to: |
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