The Fluke 1555 insulation resistance tester offers digital insulation testing up to 10 kV, making it ideal for testing high voltage equipment including switchgear, motors, generators and cables.
Data collection is easy using the Fluke Connect® wireless app. Remote operation lets you spend as little time as possible in potentially hazardous zones. Real-time trending shows a live graph on your phone, rather than a hard-to-read set of changing values. And you can create reports quickly, using pre-designed templates that you can customize with company logos. The 1555 insulation tester can now conduct the entire range of test voltages specified in IEEE 43-2000 with a best in class, 3 year warranty and CAT IV 600 V safety rating.
Other useful features:
• Automatic calculation of Dielectric Absorption (DAR) and Polarization Index (PI) with no additional setup
• Guard system eliminates the effect of surface leakage current on high-resistance measurements
• Selectable test voltages in 50 V steps from 250 V to 1000 V, and 100 V steps above 1000 V
• CAT III 1000 V, CAT IV 600 V safety rating
• Warning function alerts the user that line voltage is present and gives the voltage reading up to 600 V AC or DC for increased user safety
• Measurements can be stored in up to 99 memory locations, with each location assigned a unique, user defined, label for easy recall
• Long battery life gives the user over 750 tests between charges
• Large digital/analog LCD for easy viewing
• Capacitance and leakage current measurement
• Ramp function for breakdown testing
• Resistance measurements up to 2 TΩ
• Timer settings up to 99 minutes for timed tests
• 3-year warranty

Key Features
• Quickly configure, start and stop tests on the 1555 remotely, a safe distance away from any operating, energized equipment, using Fluke Connect® and a smart phone
• Real time trending gives you easy-to-see visual cues, rather than hard to read, rapidly changing values
• Report creation using Fluke Connect desktop saves time and makes test results easier to understand
• Fluke Connect saves test results to the cloud for analysis and preventive maintenance

Automatic measurements. More flexibility. Better power quality troubleshooting.



Fluke 1770 Series Three-Phase Power Quality Analyzers eliminate the complexities of power quality logging, troubleshooting, and analysis. Engineered to be the faster, easier way to perform power quality studies, the 1770 Series offers automatic measurements, a straightforward user interface and setup, best-in-class specifications, and a simplified reporting platform. The instrument can also be powered directly from the measurement circuit, eliminating the need to find a power outlet or use a lengthy extension cord.



With the 1770 Series you’ll never miss a critical power quality event—from fast transients up to 8 kV, harmonics up to 30 kHz, dips and swells, as well as the voltage, current, and power measurements that enable you to characterize your electrical system.



Automatic measurement capture



Whether you’re performing a quick system check or a detailed power quality study, consistent data is key. The Fluke 1770 Series offers a unique automatic measurement capture system that helps ensure you’re collecting the right data every time, while still giving you the flexibility to select and adjust specific parameters as needed. More than 500 power quality parameters are captured by default and the guided setup makes it easy to select the right parameters for the system you’re working on. Logged data is instantly viewable, downloadable, and shareable with Fluke Energy Analyze Plus software so you never need to wait to finish a session before reviewing results or analyzing data.



Ultimate measurement confidence



The Fluke 1770 Series are 2-in-1 devices that combine the troubleshooting functionality of a power quality meter with the robust analysis and logging capabilities of a standalone power quality analyzer—in a single, easy-to-use, handheld device.



The ‘PQ Meter’ function gives you immediate access to live onscreen data in the field so you can quickly identify potential problems while troubleshooting. The detailed ‘PQ Logging and Analysis’ function eliminates the complexity of performing power quality studies by guiding you through the setup process ensuring you’re capturing the right data every time. Couple these measurement modes with a unique measurement connection autocorrect function and you can be confident that you never need to worry about going back for a second measurement—even if you were unsure about what to look for when you started.



Powerful analysis software with easy-to-create reports



Fluke 1770 Series Power Quality Analyzers come standard with the powerful Fluke Energy Analyze Plus software, designed to eliminate the hassles found with other multi-purpose application software. Energy Analyze Plus helps you evaluate power quality data right out of the box and without extensive training.



Energy Analyze Plus makes downloading, analyzing, tracking, and reporting power quality and energy data easier than ever. Quickly compare results to historical values, benchmark against industry norms, compare measured data to local conditions, and create a more complete picture of what’s occurring across your facility, even as the data is still being collected. Energy Analyze Plus offers unified support for the Fluke 1730, 1740, and 1770 Series of Energy Loggers and Power Quality Analyzers.



“In-workshop” and “in-the-field” setup and download through PC application software

Simple data downloads using USB memory stick, WiFi, LTE, wired Ethernet, or USB cable

Analyze every measured detail of energy consumption and power quality state-of-health with automated reporting



One-touch reporting creates standardized reports conforming to standards like EN 50160, IEEE 519, GOST 33073 IEC 61000-2-2, or export data in PQDIF or NeQual compatible format or CSV for use with third-party software



Advanced analysis allows the user to choose any available logged parameter and create a highly customized view of measurements for advanced data correlation



High-speed voltage transient capture



Transients negatively impact otherwise healthy systems every day and their potential to damage your equipment can’t be underestimated. Whether your system is experiencing impulsive or oscillatory transients, the results can be devastating and cause problems ranging from insulation failures to total equipment failures. The Fluke 1775 and Fluke 1777 incorporate 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 Fluke 1775 Power Quality Analyzer has 1MHz sampling capability to capture fast transients, while the Fluke 1777 Power Quality Analyzer has 20MHz sampling capability to capture the fastest transients in high detail.



Compliant to international standards



The Fluke 1770 Series offers the best-in-class accuracy you’ve come to expect from a Fluke Power Quality Analyzer in a future IEC 61000-4-30 Class A edition 3 compliant package. On top of that, the 1770 Series has been engineered to meet the future requirements of Class A edition, for conformance to EN 50160 and IEEE 519, so you’ll be prepared to tackle tomorrow’s measurement requirements, today.

Automatic measurement. Higher flexibility. Better power quality troubleshooting.

The Fluke 1770 Series Three-Phase Power Quality Analyzer takes the hassle out of power quality logging, troubleshooting, and analysis. Designed to be a faster and easier way to conduct power quality studies, the 1770 Series offers automatic measurements, a simple user interface and setup, best-in-class specifications, and a simpler reporting platform. The instrument can also be powered directly from the measuring circuit, eliminating the need to find an electrical outlet or use long extension cords



With the 1770 Series, you'll never miss critical power quality events—from fast transients up to 8 kV, harmonics up to 30 kHz, dips and swells, and voltage, current, and power measurements that let you understand your electrical system.



Automatic measurement recording



Whether you're doing a quick system check or a detailed power quality study, consistent data is key. The Fluke 1770 Series offers a unique automated measurement taking system that helps ensure you collect the right data every time, while giving you the flexibility to select and adjust certain parameters as needed. Over 500 power quality parameters are recorded by default and guided setup makes it easy to select the right parameters for the system you are working with. Logged data is instantly viewable, downloadable, and shareable with the Fluke Energy Analyze Plus software so you don't have to wait to finish your session before reviewing results or analyzing data



Best measurement confidence



The Fluke 1770 Series is a 2-in-1 device that combines the troubleshooting functionality of a power quality meter with the powerful analysis and logging capabilities of a standalone power quality analyzer—in one easy-to-use handheld device.



The 'Power Quality Meter' function gives you direct access to live data on the screen while in the field, so you can quickly identify potential problems when troubleshooting. The detailed 'Power Quality Logging and Analysis' function takes the hassle out of performing a power quality assessment by guiding you through the setup process to ensure you are capturing the right data every time. Combine these various measurement modes with the unique metering connection auto-correction function, and you can rest assured you won't have to go back for a second measurement—even if you weren't sure what to look for when you started.



Powerful analysis software with easy-to-generate reports

The Fluke 1770 Series Power Quality Analyzers are equipped with the powerful Fluke Energy Analyze Plus software. This software is designed to take the hassle out of other multi-purpose application software. Energy Analyze Plus helps you easily evaluate power quality data, without the need for lengthy training.



Energy Analyze Plus makes it easy to download, analyze, track and report on power quality and energy data. Quickly compare results to historical values, benchmark against industry norms, compare measured data to local conditions, and create a more complete picture of what's happening across your facility, even while data is still being collected. Energy Analyze Plus offers integrated support for the Fluke 1730, 1740, and 1770 Series of Energy Loggers and Power Quality Analyzers.



“In-workshop” and “in-the-field” setup and download via PC application software

- Simple data download using a USB memory stick, WiFi, LTE, Ethernet cable or USB cable

- Analyze every detail of energy consumption and power quality health status with automatic reports

- One-touch reporting creates standardized reports that comply with standards such as EN 50160, IEEE 519, GOST 33073 IEC 61000-2-2, or export data in PQDIF or NeQual or CSV compatible formats for use with third-party software

- Advanced analysis allows users to select recorded parameters and create highly customized measurement views for advanced data correlation

Power Quality





High speed voltage transient recording



Transients negatively affect a healthy system every day and their potential to damage your equipment should not be underestimated. Whether your system experiences impulsive or oscillating transients, the results can be catastrophic and result in problems ranging from insulation failure to total equipment failure. The Fluke 1775 and Fluke 1777 feature advanced transient recording technology to help you clearly identify high-voltage transient conditions, so you have the data you need to stop them. The Fluke 1775 Power Quality Analyzer has 1 MHz sampling capability to record fast transients, while the Fluke 1777 Power Quality Analyzer has 20 MHz sampling capability to record the fastest transients in high detail.



From conventional industrial systems to renewable energy systems to electric vehicles, we have the tools



The Fluke 1770 Series is designed to be safe and easy to use in any measurement environment. The 1770 Series lets you record a variable range of full power quality as well as high speed waveforms, high speed transients and higher frequency harmonics. Everything can be seen directly on the large high-resolution screen. With best-in-class CAT IV 600 V / CAT III 1000 V overvoltage ratings, this analyzer can be used in mains or downstream input receivers, measuring AC and DC inputs, as well as measuring harmonics up to 30 kHz. With the 1770 Series, you can rest assured that you will capture the data you need to make better maintenance decisions, whatever the task.



In accordance with international standards



The Fluke 1770 Series offers the best-in-class accuracy you expect from a Fluke Power Quality Analyzer in a package that meets IEC 61000-4-30 Class A next edition 3. In addition, the 1770 Series has been designed to meet the requirements of the upcoming Class A edition, to comply with EN 50160 and IEEE 519, so you are well prepared to address your future measurement needs.



Work where, when, and how you want



The situation on the ground is different every day. You need a power quality analyzer that you can always carry with you and work the way you need it. With a wide range of accessories and built-in features, the Fluke 1770 Series makes it easy to get the job done. The slim ergonomic design and integrated wrist strap make it easy to hold and the included hanging kit makes it easy to store your analyzer in the cabinet. The integrated internal power supply allows the unit to be powered directly from a rated circuit, while a 90-minute battery helps ensure you can still access and review data even when not connected to a live system.



Transfer data quickly and easily to your PC using USB C, USB A, Ethernet, Wi-Fi, or mobile network support options, depending on your needs. With the built-in GPS module and optional dual isolation antenna extension cable to amplify indoor GPS signals, you can easily synchronize your data with the time for more accurate troubleshooting and analysis.



Calculate current harmonic limits



When downloading data from the Fluke 1770 Series Power Quality Analyzer, the included Energy Analyze Plus software package can compare rated voltage and current harmonics statistical data against various standards, such as EN 50160 or IEEE 519. This is to determine if the data exceeds compliance limits. . With this advanced predictive maintenance feature, current harmonics can be spotted before distortions in voltage appear, so you can prevent unexpected failures or inappropriate situations and increase system uptime. With inverter-based loads and power generation increasing, keeping current harmonics in line is becoming increasingly important to ensure reliable power quality and avoid system downtime.

Metric & Inch Reading - Graduation: 0.02mm/0.001"

Incorporating Quadri feature - gives outside, inside, depth and step readings.

Fine adjustment feature allows improved sensitivity of slider movement.

14° vernier face angle reduces parallax.



Satin chrome finish with clear easy read graduations.