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Keeping Your World Up & Running®
Keeping Your World Up & Running®
Conduct energy studies and power quality logging with this advanced three-phase power logger. Automatically capture and log over 500 power quality parameters with this logger, which provides you with more visibility into the data. Additionally, this unit is Fluke Connect compatible and comes equipped with current probes.
Conduct energy studies and power quality logging with this advanced three-phase power logger. Automatically capture and log over 500 power quality parameters with this logger, which provides you with more visibility into the data. Additionally, this unit is Fluke Connect compatible and comes equipped with current probes.
More visibility, reduced uncertainty and better power quality and energy consumption decisions
Compatible with the Fluke Connect® mobile app and desktop software, this unit provides you the data required for you to make critical power quality and energy decisions in real-time. Ideal for conducting energy studies and basic power quality logging, this automatically captures and logs over 500 power quality parameters, giving you more visibility into the data you need to optimize system reliability and savings.
Features an optimized user interface and an intelligent measurement verification function that enables you to decrease measurement errors by digitally verifying and correcting common connection errors makes setup easier and reduces measurement uncertainty. Access and share data remotely with your team via the Fluke Connect® app so you can maintain safer working distances and make critical decisions in real-time, reducing the need for protective equipment, site visits, and check-ins. You can also quickly and easily chart and graph measurements to help identify issues and create detailed reports with the included Energy Analyze Plus software package.
Features
Easy to use
The four current probes are connected separately; the instrument automatically detects and scales the probes. The thin current probes are designed to easily get through tight conductor spacing and are easily set to 150 or 1500 A for high accuracy in nearly any application. An innovative tangle-free flat voltage lead makes connection simple and reliable and the instrument's intelligent 'Verify Connection' feature automatically checks to make sure the instrument is connected correctly and can digitally correct common connection issues without having to disconnect measurement leads.
The detachable power supply can be conveniently and safely powered directly from the measured circuit—no more searching for power outlets or having to run multiple extension cords to the logging location.
Data downloading couldn't be easier or more flexible
Analysis and reporting
Capturing logged data is just one part of the task. Once you have the data, you need to create useful information and reports that can be easily shared and understood by your organization or customers. Fluke Energy Analyze Plus software makes that task as simple as possible. With powerful analysis tools and the ability to create customized reports in minutes you'll be able to communicate your findings and quickly solve problems so you can optimize system reliability and savings.
Log the most common parameters
Designed to measure the most critical three-phase power parameters, this instrument can simultaneously log RMS voltage, RMS current, voltage, current events, and current THD, voltage and current harmonics up to the 50th harmonic, active power, reactive power, power factor, active energy, reactive energy, and more. With enough memory for more than a year of data logging, this power logger can uncover intermittent or hard-to-find issues that might otherwise have been missed.
Applications
| Accuracy | |
| Voltage | Range: 1000 V Maximum resolution: 0.1 V Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±(0.2% + 0.01%) |
| Frequency | Range: 42.5 to 69 Hz Maximum resolution: 0.01 Hz Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±(0.1%) |
| Aux Input | Range: ±10 V dc Maximum resolution: 0.1 mV Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±(0.2% + 0.02%) |
| Voltage Min/Max | Range: 1000 V Maximum resolution: 0.1 V Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±(1% + 0.1%) |
| Current Min/Max | Range: Defined by accessory Maximum resolution: Defined by accessory Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±(5% + 0.2%) |
| THD on Voltage | Range: 1000% Maximum resolution: 0.1% Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±0.5 |
| THD on Current | Range: 1000% Maximum resolution: 0.1% Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±0.5 |
| Voltage Harmonics 2nd ...50th | Range: 1000 V Maximum resolution: 0.1 V Intrinsic accuracy at reference conditions (% of reading + % of full scale): ≥10 V: ±5% of reading, <10 V: ±0.5 V |
| Current Harmonics 2nd ...50th | Range: Defined by accessory Maximum resolution: Defined by accessory Intrinsic accuracy at reference conditions (% of reading + % of full scale): ≥3% of current range: ±5% of reading, <3% of current range: ±0.15% of range |
| Unbalance | Range: 100% Maximum resolution: 0.1% Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±0.2 |
| Power Supply | |
| Voltage Range | 100 to 500 V using safety plug input when powering from the measurement circuit 100 to 240 V using standard power cord (IEC 60320 C7) |
| Power Consumption | Maximum 50 VA (max. 15 VA when powered using IEC 60320 input) |
| Efficiency | ≥68.2% (in accordance with energy efficiency regulations) |
| Maximum No-Load Consumption | <0.3 W only when powered using IEC 60320 input |
| Mains Power Frequency | 50/60 Hz ± 15% |
| Battery | Li-ion 3.7 V, 9.25 Wh, customer-replaceable |
| On-Battery Runtime | Four hours in standard operating mode, up to 5.5 hours in power saving mode |
| Charging Time | <6 hours |
| Data Acquisition | |
| Resolution | 16-bit synchronous sampling |
| Sampling Frequency | 10.24 kHz at 50/60 Hz, synchronized to mains frequency |
| Input Signal Frequency | 50/60 Hz (42.5 to 69 Hz) |
| Circuit Types | 1-ø, 1-ø IT, split phase, 3-ø delta, 3-ø wye, 3-ø wye IT, 3-ø wye balanced, 3-ø Aron/Blondel (2-element delta), 3-ø delta open leg, currents only (load studies) |
| Data Storage | Internal flash memory (not user replaceable) |
| Memory Size | Typical 10 logging sessions of 8 weeks with 1-minute intervals and 500 events |
| Basic Interval | |
| Measured Parameters | Voltage, current, aux, frequency, THD V, THD A, power, power factor, fundamental power, DPF, energy |
| Averaging Interval | User selectable: 1 sec, 5 sec, 10 sec, 30 sec, 1 min, 5 min, 10 min, 15 min, 30 min |
| Averaging Time Min/Max Values | Voltage, Current: Full cycle RMS updated every half cycle (URMS1/2 according to IEC61000-4-30) Aux, Power: 200ms |
| Demand Interval (Energy Meter Mode) | |
| Measured Parameters | Energy (Wh, varh, VAh), PF, maximum demand, cost of energy |
| Interval | User selectable: 5 min, 10 min, 15 min, 20 min, 30 min, off |
| Power Quality Measurements | |
| Measured Parameter | Voltage, frequency, unbalance, voltage harmonics, THD V, current, harmonics, THD A, TDD |
| Averaging Interval | 10 min |
| Individual Harmonics | 2nd ...50th harmonic |
| Total Harmonic Distortion | Calculated on 50 harmonics |
| Events | Voltage: dips, swells, interruptions, current: inrush current |
| Triggered Recordings | Full cycle RMS updated every half cycle of voltage and current (Urms1/2 according to IEC61000-4-30) Waveform of voltage and current |
| Standards Compliance | |
| Harmonics | IEC 61000-4-7: Class 1 IEEE 519 (short time harmonics) |
| Power Quality | IEC 61000-4-30 Class S, IEC62586-1 (PQI-S device) |
| Power | IEEE 1459 |
| Power Quality Compliance | EN50160 (for measured parameters) |
| Interfaces | |
| USB-A | File transfer via USB flash drive, firmware updates, max. supply current: 120 mA |
| WiFi | File transfer and remote control via direct connection or WiFi infrastructure |
| Bluetooth | Read auxiliary measurement data from Fluke Connect® 3000 series modules (requires 1738, or 1736 upgrade option) |
| USB-Mini | Data download device to PC |
| Voltage Inputs | |
| Number of Inputs | 4 (3 phases and neutral) |
| Maximum Input Voltage | 1000 Vrms, CF 1.7 |
| Input Impedance | 10 MΩ |
| Bandwidth | 42.5 Hz to 3.5 kHz |
| Scaling | 1:1 and variable |
| Measurement Category | 1000 V CAT III/600 V CAT IV |
| Current Inputs | |
| Number of Inputs | 4, mode selected automatically for attached sensor |
| Input Voltage | Clamp input: 500/50 mVrms; CF 2.8 |
| Rogowski Coil Input | 150/15 mVrms at 50 Hz, 180/18 mVrms at 60 Hz; CF 4; all at nominal probe range |
| Range | 1 to 150/10 A to 1500 A with thin flexible current probe i17XX-flex1500 12" 3 to 300/30 A to 3000 A with thin flexible current probe i17XX-flex3000 24" 6 to 600/60 A to 6000 A with thin flexible current probe i17XX-flex6000 36" 40 mA to 4/0.4 A to 40 A with 40 A clamp i40s-EL |
| Bandwidth | 42.5 Hz to 3.5 kHz |
| Scaling | 1:1 and variable |
| Auxiliary Inputs | |
| Number of Inputs | 2 |
| Input Range | 0 to ±10 V dc, 1 reading/s |
| Scale Factor | Format: mx + b (gain and offset) user configurable |
| Displayed Units | User configurable (7 characters, for example, °C, psi, or m/s) |
| Wireless Connection | |
| Number of Inputs | 2 |
| Supported Modules | Fluke Connect® 3000 series |
| Acquisition | 1 reading/s |
| Environmental Specifications | |
| Operating Temperature | 14 to 122°F (-10 to 50°C) |
| Storage Temperature | −4 to 140°F (-20 to 60°C) With battery: −4 to 122°F (-20 to 50°C) |
| Operating Humidity | 50 to 86°F (10 to 30°C) max. 95% RH 86 to 104°F (30 to 40°C) max. 75% RH 104 to 122°F (40 to 50°C) max. 45% RH |
| Operating Altitude | 6561.68' (2000 m) (up to 13123.36' (4000 m) derate to 1000 V CAT II/600 V CAT III/300 V CAT IV) |
| Storage Altitude | 39,370.079' (12,000 m) |
| Enclosure | IP50 in accordance with EN60529 |
| Vibration | MIL-T-28800E, Type 3, Class III, Style B |
| Safety | IEC 61010-1 IEC Mains Input: Overvoltage Category II, Pollution Degree 2 Voltage Terminals: Overvoltage Category IV, Pollution Degree 2 IEC 61010-2-031: CAT IV 600 V / CAT III 1000 V |
| Electromagnetic Compatibility (EMC) | EN 61326-1: Industrial CISPR 11: Group 1, Class A Korea (KCC): Class A Equipment (industrial broadcasting and communication equipment) USA (FCC): 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103 |
| Temperature Coefficient | 0.1 x accuracy specification/°C |
| General Specifications | |
| Color LCD Display | 4.3" (109.22 mm) active matrix TFT, 480 pixels x 272 pixels, resistive touch panel |
| Tamper Protection | Kensington lock slot |
| Dimensions | Instrument: 7.8 x 6.6 x 2.2" (19.8 x 16.7 x 5.5 cm) Power supply: 5.1 x 5.1 x 1.8" (13.0 x 13.0 x 4.5 cm) Instrument with power supply attached: 7.8 x 6.6 x 3.5" (19.8 x 16.7 x 9 cm) |
| Weight | Instrument: 2.5 lb (1.1 kg) Power supply: 0.9 lb (400 g) |
Fluke engineers have delivered an innovative mobile platform and tool that helps solve everyday problems, allowing you to instantly document measurements, retrieve historical data, and share live measurements with your team. All handled by the Android™ or iOS smart phone you already carry.
Fluke Connect with ShareLive™ video call is the only wireless measurement system that lets you stay in contact with your entire team without leaving the field. The Fluke Connect mobile app is works with over 20 different Fluke products - the largest suite of connected test tools in the world.
Make the best decisions faster than ever before by viewing temperature, mechanical, electrical and vibration measurements for each equipment asset in one place. Get started saving time and increasing your productivity.
Click on a category to view a selection of compatible accessories with the Fluke 1738 Advanced Three-Phase Power Logger with current probes.
| Accuracy | |
| Voltage | Range: 1000 V Maximum resolution: 0.1 V Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±(0.2% + 0.01%) |
| Frequency | Range: 42.5 to 69 Hz Maximum resolution: 0.01 Hz Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±(0.1%) |
| Aux Input | Range: ±10 V dc Maximum resolution: 0.1 mV Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±(0.2% + 0.02%) |
| Voltage Min/Max | Range: 1000 V Maximum resolution: 0.1 V Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±(1% + 0.1%) |
| Current Min/Max | Range: Defined by accessory Maximum resolution: Defined by accessory Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±(5% + 0.2%) |
| THD on Voltage | Range: 1000% Maximum resolution: 0.1% Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±0.5 |
| THD on Current | Range: 1000% Maximum resolution: 0.1% Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±0.5 |
| Voltage Harmonics 2nd ...50th | Range: 1000 V Maximum resolution: 0.1 V Intrinsic accuracy at reference conditions (% of reading + % of full scale): ≥10 V: ±5% of reading, <10 V: ±0.5 V |
| Current Harmonics 2nd ...50th | Range: Defined by accessory Maximum resolution: Defined by accessory Intrinsic accuracy at reference conditions (% of reading + % of full scale): ≥3% of current range: ±5% of reading, <3% of current range: ±0.15% of range |
| Unbalance | Range: 100% Maximum resolution: 0.1% Intrinsic accuracy at reference conditions (% of reading + % of full scale): ±0.2 |
| Power Supply | |
| Voltage Range | 100 to 500 V using safety plug input when powering from the measurement circuit 100 to 240 V using standard power cord (IEC 60320 C7) |
| Power Consumption | Maximum 50 VA (max. 15 VA when powered using IEC 60320 input) |
| Efficiency | ≥68.2% (in accordance with energy efficiency regulations) |
| Maximum No-Load Consumption | <0.3 W only when powered using IEC 60320 input |
| Mains Power Frequency | 50/60 Hz ± 15% |
| Battery | Li-ion 3.7 V, 9.25 Wh, customer-replaceable |
| On-Battery Runtime | Four hours in standard operating mode, up to 5.5 hours in power saving mode |
| Charging Time | <6 hours |
| Data Acquisition | |
| Resolution | 16-bit synchronous sampling |
| Sampling Frequency | 10.24 kHz at 50/60 Hz, synchronized to mains frequency |
| Input Signal Frequency | 50/60 Hz (42.5 to 69 Hz) |
| Circuit Types | 1-ø, 1-ø IT, split phase, 3-ø delta, 3-ø wye, 3-ø wye IT, 3-ø wye balanced, 3-ø Aron/Blondel (2-element delta), 3-ø delta open leg, currents only (load studies) |
| Data Storage | Internal flash memory (not user replaceable) |
| Memory Size | Typical 10 logging sessions of 8 weeks with 1-minute intervals and 500 events |
| Basic Interval | |
| Measured Parameters | Voltage, current, aux, frequency, THD V, THD A, power, power factor, fundamental power, DPF, energy |
| Averaging Interval | User selectable: 1 sec, 5 sec, 10 sec, 30 sec, 1 min, 5 min, 10 min, 15 min, 30 min |
| Averaging Time Min/Max Values | Voltage, Current: Full cycle RMS updated every half cycle (URMS1/2 according to IEC61000-4-30) Aux, Power: 200ms |
| Demand Interval (Energy Meter Mode) | |
| Measured Parameters | Energy (Wh, varh, VAh), PF, maximum demand, cost of energy |
| Interval | User selectable: 5 min, 10 min, 15 min, 20 min, 30 min, off |
| Power Quality Measurements | |
| Measured Parameter | Voltage, frequency, unbalance, voltage harmonics, THD V, current, harmonics, THD A, TDD |
| Averaging Interval | 10 min |
| Individual Harmonics | 2nd ...50th harmonic |
| Total Harmonic Distortion | Calculated on 50 harmonics |
| Events | Voltage: dips, swells, interruptions, current: inrush current |
| Triggered Recordings | Full cycle RMS updated every half cycle of voltage and current (Urms1/2 according to IEC61000-4-30) Waveform of voltage and current |
| Standards Compliance | |
| Harmonics | IEC 61000-4-7: Class 1 IEEE 519 (short time harmonics) |
| Power Quality | IEC 61000-4-30 Class S, IEC62586-1 (PQI-S device) |
| Power | IEEE 1459 |
| Power Quality Compliance | EN50160 (for measured parameters) |
| Interfaces | |
| USB-A | File transfer via USB flash drive, firmware updates, max. supply current: 120 mA |
| WiFi | File transfer and remote control via direct connection or WiFi infrastructure |
| Bluetooth | Read auxiliary measurement data from Fluke Connect® 3000 series modules (requires 1738, or 1736 upgrade option) |
| USB-Mini | Data download device to PC |
| Voltage Inputs | |
| Number of Inputs | 4 (3 phases and neutral) |
| Maximum Input Voltage | 1000 Vrms, CF 1.7 |
| Input Impedance | 10 MΩ |
| Bandwidth | 42.5 Hz to 3.5 kHz |
| Scaling | 1:1 and variable |
| Measurement Category | 1000 V CAT III/600 V CAT IV |
| Current Inputs | |
| Number of Inputs | 4, mode selected automatically for attached sensor |
| Input Voltage | Clamp input: 500/50 mVrms; CF 2.8 |
| Rogowski Coil Input | 150/15 mVrms at 50 Hz, 180/18 mVrms at 60 Hz; CF 4; all at nominal probe range |
| Range | 1 to 150/10 A to 1500 A with thin flexible current probe i17XX-flex1500 12" 3 to 300/30 A to 3000 A with thin flexible current probe i17XX-flex3000 24" 6 to 600/60 A to 6000 A with thin flexible current probe i17XX-flex6000 36" 40 mA to 4/0.4 A to 40 A with 40 A clamp i40s-EL |
| Bandwidth | 42.5 Hz to 3.5 kHz |
| Scaling | 1:1 and variable |
| Auxiliary Inputs | |
| Number of Inputs | 2 |
| Input Range | 0 to ±10 V dc, 1 reading/s |
| Scale Factor | Format: mx + b (gain and offset) user configurable |
| Displayed Units | User configurable (7 characters, for example, °C, psi, or m/s) |
| Wireless Connection | |
| Number of Inputs | 2 |
| Supported Modules | Fluke Connect® 3000 series |
| Acquisition | 1 reading/s |
| Environmental Specifications | |
| Operating Temperature | 14 to 122°F (-10 to 50°C) |
| Storage Temperature | −4 to 140°F (-20 to 60°C) With battery: −4 to 122°F (-20 to 50°C) |
| Operating Humidity | 50 to 86°F (10 to 30°C) max. 95% RH 86 to 104°F (30 to 40°C) max. 75% RH 104 to 122°F (40 to 50°C) max. 45% RH |
| Operating Altitude | 6561.68' (2000 m) (up to 13123.36' (4000 m) derate to 1000 V CAT II/600 V CAT III/300 V CAT IV) |
| Storage Altitude | 39,370.079' (12,000 m) |
| Enclosure | IP50 in accordance with EN60529 |
| Vibration | MIL-T-28800E, Type 3, Class III, Style B |
| Safety | IEC 61010-1 IEC Mains Input: Overvoltage Category II, Pollution Degree 2 Voltage Terminals: Overvoltage Category IV, Pollution Degree 2 IEC 61010-2-031: CAT IV 600 V / CAT III 1000 V |
| Electromagnetic Compatibility (EMC) | EN 61326-1: Industrial CISPR 11: Group 1, Class A Korea (KCC): Class A Equipment (industrial broadcasting and communication equipment) USA (FCC): 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103 |
| Temperature Coefficient | 0.1 x accuracy specification/°C |
| General Specifications | |
| Color LCD Display | 4.3" (109.22 mm) active matrix TFT, 480 pixels x 272 pixels, resistive touch panel |
| Tamper Protection | Kensington lock slot |
| Dimensions | Instrument: 7.8 x 6.6 x 2.2" (19.8 x 16.7 x 5.5 cm) Power supply: 5.1 x 5.1 x 1.8" (13.0 x 13.0 x 4.5 cm) Instrument with power supply attached: 7.8 x 6.6 x 3.5" (19.8 x 16.7 x 9 cm) |
| Weight | Instrument: 2.5 lb (1.1 kg) Power supply: 0.9 lb (400 g) |
Fluke engineers have delivered an innovative mobile platform and tool that helps solve everyday problems, allowing you to instantly document measurements, retrieve historical data, and share live measurements with your team. All handled by the Android™ or iOS smart phone you already carry.
Fluke Connect with ShareLive™ video call is the only wireless measurement system that lets you stay in contact with your entire team without leaving the field. The Fluke Connect mobile app is works with over 20 different Fluke products - the largest suite of connected test tools in the world.
Make the best decisions faster than ever before by viewing temperature, mechanical, electrical and vibration measurements for each equipment asset in one place. Get started saving time and increasing your productivity.
Click on a category to view a selection of compatible accessories with the Fluke 1738 Advanced Three-Phase Power Logger with current probes.
