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

The Fluke 3130-G2M Portable Pressure Calibrator is designed for professionals who demand speed, accuracy, and convenience in pressure calibration. Combining robust pressure generation, high-precision measurement, electrical testing, and exceptional portability, the 3130-G2M delivers a complete solution for field and lab calibration tasks.

Key Features and Benefits

• Integrated Motorized Pump – Say goodbye to manual hand pumps. The powerful, internal motorized pump delivers fast, effortless pressure generation and control, saving time and eliminating operator fatigue.
• Supports Large Volume Applications – Easily connect to an external gas supply, such as plant air, for quick pressurization of large systems. Fine-tune pressure precisely with the built-in variable volume.
• High-Accuracy Pressure Measurement – The onboard sensor provides reliable measurements up to 2 MPa (300 psi, 20 bar) with outstanding accuracy of ±0.025% of reading + 0.01% FS—including all major sources of error.
• Flexible Measurement Range – Expand your capability by connecting Fluke 700P pressure modules, ensuring precision across a wider range of pressures for any application.
• Comprehensive Electrical Measurement – Calibrate pressure transducers and transmitters with built-in support for 4–20 mA and 0–30 V DC measurements. The 3130-G2M can also supply 24 V DC power and source 4–20 mA current, streamlining transmitter testing.
• Rugged, Portable Design – Built tough for the field, the 3130-G2M features a ruggedized case with internal storage for leads, fittings, and power supply. A rechargeable NiMH battery delivers up to 50 hours of operation, or 100 calibrations to 300 psi per charge.
• Simple Battery Recharge – Just plug in with the included universal mains adapter—no special chargers required.
• Seamless Automation and Data Logging – Easily connect to your PC using the Fluke Calibration 700SC Serial Interface Cable and control your calibrator or log data using Fluke Calibration COMPASS for Pressure software.
Designed for True Portability and Productivity
• Lightweight and Compact – Carry the 3130-G2M anywhere; internal storage keeps everything organized and ready for action.
• Field-Ready Power – Up to 50 hours of battery life means you can work longer between charges, with enough power for a full day’s work in demanding environments.
• Easy to Use – Intuitive controls, clear displays, and straightforward operation reduce training time and make every calibration easier.
Automate, Document, and Improve Accuracy
Connect the Fluke 3130-G2M Portable Pressure Calibrator to your PC to automate calibration routines, log results, and enhance traceability. With Fluke COMPASS for Pressure software, you can streamline workflows, improve data integrity, and deliver professional calibration documentation—right from the field.

Experience the convenience, accuracy, and rugged reliability of the Fluke 3130-G2M Portable Pressure Calibrator—your all-in-one solution for pressure calibration, wherever the job takes you.

Key Features
• Measure/generate pressures from vacuum to 2 MPa (300 psi, 20 bar).
• Measure/generate 4 to 20 mA, measures 0 to 30 V DC
• Generate vacuum to -80 kPa (-12 psi, -0.8 bar) or pressure to 2 MPa (300 psi, 20 bar).
• External gas supply up to 2 MPa (300 psi, 20 bar).
• Fine pressure adjustment.
• Measurement accuracy of ± (0.025 % reading + 0.01 % FS).

The Fluke 50 Series II contact thermometer offers fast response and laboratory accuracy (0.05% + 0.3°C) in a rugged hand test kit.

The Fluke 1535 and 1537 2,500 V Insulation Resistance Testers are engineered to simplify frontline troubleshooting whether you’re on the factory floor or working in the field at a solar installation. With user selectable test voltages from 250 V to 2,500 V and resistance measurements up to 500 GΩ these testers allow you to cover more workload with a single tool. Equipped with an intuitive user interface, a short circuit current of up to 5 mA and a CAT IV 600 V rating these portable high-voltage insulation testers can deliver rapid and stable resistance measurements no matter where you take them. The 1537 Insulation Resistance Tester also allows you to store measurements for later review or PC transfer, using the provided software.
• Selectable Voltage Tests: Tailor your tests with user-selectable voltages of 250 V, 500 V, 1000 V, and 2500 V to cover both industrial and solar applications.
• Extended Insulation Resistance Measurement: Reach up to 500 GΩ in insulation resistance measurement for a thorough analysis.
• Intelligent Calculations: Automatically calculate Polarization Index (PI) and Dielectric Absorption Ratio (DAR), minimizing the influence of environmental factors.
• High Measurement Capacity: Execute up to 1,300 measurements at 2,500 V or 6,500 measurements at 250 V on a single charge, enhancing productivity.
• Enhanced Safety Features: Benefit from a CAT IV 600V rating and a built-in voltage alarm function for heightened safety during operations.
The Fluke 1537 has these additional features:
• Extended Measurements: The Fluke 1537 enhances your testing capabilities with AC/DC voltage and resistance measurements.
• Stable Resistance Measurements: Achieve faster, more stable insulation resistance measurements with a short circuit current up to 5mA.
• Fine-tunable Test Voltage: Adjust the test voltage from 250 V to 2500 V in 100 V increments to meet specific testing requirements.
• Dielectric Discharge Rate Calculation: Automatically calculate the dielectric discharge rate (DD) to aid in identifying elusive insulation issues.
• Ramp Test Mode: Linearly increase the applied test voltage 100 V/s to help identify potentially hard to identify fault conditions.
• Visual and Audio Continuity Indicator: Verify continuity visually on the screen display or with the audible indicator so you can focus on your testing procedure without looking at the display.
• Customizable Testing Parameters: Set user-defined labels, adjust test duration, and store measurement results for a tailored testing experience.
• Effortless Data Management: Download and manage data effortlessly with the provided PC software.
• Extended Warranty: Enjoy peace of mind with an extended 3-year warranty.

Key Features
• User-selectable voltages of 250 V-2500 V
• Up to 500 GΩ insulation resistance measurement
• Short circuit current up to 5mA for fast, stable measurements
• Automatically calculate PI and DAR
• Perform 1,300+ insulation tests on a single charge