Description
Overview
The Fluke 1734 Three-Phase Electrical Energy Logger is a professional power and energy logging instrument designed for facility energy studies, load studies, electrical maintenance, and energy-consumption analysis. It helps engineers, electricians, facility managers, and energy consultants understand when and where electrical energy is being consumed across a facility, from the service entrance to downstream circuits. Fluke describes the 1732 and 1734 series as three-phase electrical energy loggers for discovering sources of electrical energy waste, overloaded circuits, and routine load-study requirements. The 1734 version adds Fluke Connect capability and wireless communication features that support remote data access and team collaboration.
The Fluke 1734 automatically captures and logs key electrical parameters including voltage, current, power, power factor, energy, frequency, THD, and related values. This makes it suitable for users who need practical energy data without relying on a complex power-quality analyzer for every job. With guided graphical setup, intelligent connection verification, a bright color touch screen, and support for USB data transfer, the instrument is designed to simplify field deployment in electrical panels and plant environments.
For industrial and commercial buyers, the Fluke 1734 is especially useful when planning energy-efficiency projects, checking circuit loading before adding equipment, evaluating peak demand, comparing consumption before and after improvements, or documenting long-term energy behavior. Fluke’s technical data highlights applications such as load studies, energy assessments, energy surveys, logging related analog measurements, power and energy logging, and simplified current-only load studies where voltage connection is difficult or impractical.
Key Features
- Automatically captures and logs voltage, current, power, power factor, energy, and associated values.
- Fluke Connect compatible for viewing data locally, through the mobile app, desktop software, or facility WiFi infrastructure.
- Supports remote data sharing, helping teams review energy information while maintaining safer working distances.
- Can be powered directly from the measured circuit, reducing the need to locate a separate mains outlet during installation.
- Safety rated 600 V CAT IV / 1000 V CAT III for use at the service entrance and downstream.
- Stores more than 20 separate logging sessions, with measured values available for review during logging and before downloading.
- Includes a 4.3-inch active matrix TFT color LCD with 480 × 272 resolution and resistive touch panel.
- Supports USB-A file transfer, firmware updates, WiFi file transfer and remote control, Bluetooth auxiliary measurement data from Fluke Connect 3000 series modules, and USB-mini data download to PC.
- Supports multiple circuit types including single phase, split phase, three-phase delta, three-phase wye, three-phase wye IT, three-phase Aron/Blondel, open-leg delta, and currents-only load studies.
Applications
The Fluke 1734 is well suited for load studies, where technicians need to understand equipment consumption at minimum and maximum operating conditions, check circuit capacity before new loads are added, and identify potential overload or peak-demand issues. Fluke’s data sheet notes that 30-day load surveys are often recommended so typical operating conditions are captured.
For energy assessments and energy surveys, the instrument supports measurement at service feeders and downstream loads, helping users build a clearer picture of facility energy usage. This can support energy-saving projects, equipment optimization, and before-and-after comparisons for efficiency improvements.
For power and energy logging, the Fluke 1734 can measure and characterize power consumption, energy usage, peak demand, and power factor effects. This is useful for maintenance teams, energy consultants, building managers, and procurement teams who need reliable measurement data before making equipment, service, or energy-management decisions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Fluke |
| Model | 1734 |
| Product Type | Three-Phase Electrical Energy Logger |
| Key Measurements | Voltage, current, power, power factor, energy, frequency, THD, DPF, fundamental power, auxiliary input values |
| Voltage Accuracy | 1000 V range, 0.1 V resolution, ±(0.2% + 0.01%) intrinsic accuracy at reference conditions |
| Frequency Range | 42.5 Hz to 69 Hz |
| Power Supply Voltage Range | 100 V to 500 V from measured circuit safety plug input; 100 V to 240 V using IEC 60320 C7 power cord |
| Battery | Li-ion 3.7 V, 9.25 Wh, customer-replaceable |
| Battery Runtime | Four hours in standard operating mode; up to 5.5 hours in power saving mode |
| Data Acquisition | 16-bit synchronous sampling; 10.24 kHz at 50/60 Hz synchronized to mains frequency |
| Memory | Internal flash memory; typical 10 logging sessions of 8 weeks with 1-minute intervals and 500 events |
| Voltage Inputs | 4 inputs, 3 phases and neutral |
| Maximum Input Voltage | 1000 Vrms, CF 1.7 |
| Current Inputs | 3 inputs, mode selected automatically for attached sensor |
| Interfaces | USB-A, WiFi, Bluetooth, USB-mini |
| Display | 4.3-inch active matrix TFT, 480 × 272 pixels, resistive touch panel |
| Safety Rating | 1000 V CAT III / 600 V CAT IV; IEC 61010-2-031 CAT IV 600 V / CAT III 1000 V |
| Operating Temperature | -10 °C to +50 °C / 14 °F to 122 °F |
| Enclosure | IP50 in accordance with EN60529 |
| Dimensions | Instrument: 19.8 × 16.7 × 5.5 cm / 7.8 × 6.6 × 2.2 in |
| Weight | Instrument: 1.1 kg / 2.5 lb |
Package Contents
For the Fluke 1734/B version, Fluke lists the following included items:
- 1734 Energy Logger
- Power supply
- Voltage test leads
- Alligator clips, 4 pieces
- Soft case
- Energy Analyze Plus software
- Magnetic hanging strap
- Magnetic voltage probes, 4 pieces
- Line cords
- Color coding set
For the Fluke 1734/EUS version, Fluke lists the same main items plus 12 in 1,500 A flexible current probes, 3 pieces, and a WiFi/BLE adapter.
Why Choose This Product
The Fluke 1734 is a strong choice for buyers who need a practical field logger for energy consumption analysis rather than a full advanced power-quality analyzer. It supports important energy-study workflows such as load studies, energy assessments, energy surveys, and power/energy logging while keeping setup accessible for electrical and facility teams. Its guided setup, intelligent connection verification, local display, USB transfer, and wireless options help reduce installation uncertainty and make logged data easier to review and share.
For procurement teams, the Fluke 1734 also offers a recognized industrial test-equipment brand, verified safety ratings, selectable model packages, and compatibility with accessories such as current probes, voltage leads, magnetic probes, auxiliary input adapters, and Fluke Connect modules. This makes it suitable for technical purchasing, maintenance programs, facility energy audits, and distributor quotation workflows.
Call to Action
Contact us for a quotation, availability, datasheet, compatible accessories, or bulk purchasing support for the Fluke 1734 Three-Phase Electrical Energy Logger. Our team can help confirm the right model package, current probe options, documentation, and delivery requirements for your application.
