
Gossen GOSS M537L PROFiTEST MF XTRA Master Set
CAT III 600V, CAT IV 300V, Handheld multimeter
This page always stays fresh and updates automatically.
The Gossen M537L PROFiTEST MF XTRA Master Set is a comprehensive testing device specifically designed to verify the effectiveness of protective measures in stationary electrical installations. It meets the requirements of DGUV Regulation 3 and is ideal for use after the completion, repair, or expansion of electrical installations. The set includes the PROFiTEST MF XTRA as well as a circuit breaker finder and other defined accessories that enable precise testing according to international standards IEC 60364-6 and EN 50110-1. Equipped with a context-sensitive color graphic display, the device offers a user-friendly interface for easy creation of test reports and documentation of results. The ability to store up to 50,000 data records makes it a powerful tool for professionals in the field of electrical engineering.
- Testing of all current all-current sensitive RCDs, RDC-DD, and RCMB
- Future-oriented connectivity via USB interface
- Preconfigured and self-programmable test sequences
- Professional recording and documentation of test objects
- Operator protection through PE detection upon finger contact.

Gossen GOSS M537L PROFiTEST MF XTRA Master Set
CAT III 600V, CAT IV 300V, Handheld multimeter
Applications
The autoranging multimeter is suitable for use in all areas of electrical engineering, such as in electrical installation, in studies, or in training.
Your advantages
Universally applicable in all areas of electrical engineering.
6600 Digits digital display and analog scale.
Measurement of voltage and current, AC and DC, resistance, temperature (thermocouple type K), continuity, and diodes.
Automatic range selection and measurement value storage.
Safety for the user and the device in measurement categories CAT III up to 600 V and CAT IV up to 300 V.
Extremely robust due to the rubber protective cover that guards against shock and impact.
Automatic socket lock
The automatic socket lock mechanically prevents the selection of an incorrect measurement function when test leads are plugged in. It also effectively prevents the insertion of test leads into the wrong measurement socket. This eliminates the risk of creating an incorrect and therefore dangerous measurement lead arrangement.

The GOSS testing device set from Gossen is a comprehensive multimeter specifically designed for testing the electrical safety of devices. It meets the requirements of the DGUV Regulation 3 and the MPBetreibV, providing a professional solution for capturing and documenting test objects. The set includes the SECUTEST ST BASE10 with DB+ and the data processing software IZYTRONIQ, which allows for user-friendly handling and efficient data management. With integrated test sequences and the ability to create custom test procedures, this testing device is ideal for use by trained personnel. Calibration is performed in a DAkkS-accredited laboratory, ensuring the accuracy and reliability of measurements. The device is equipped with a color touchscreen and offers a variety of functions for quick and compliant testing of electrical and medical devices.
- Integrated test sequences for quick and compliant testing
- Convenient database functions for managing test objects
- Creation of up to 24 custom test sequences
- Data export and import via USB stick
- Calibration according to DAkkS-accredited laboratory standards.

Measuring device that tests the characteristics of an RCD (Residual Current Device). Specifically, it measures the touch voltage, disconnection time, and disconnection current for RCDs of types A, AC, S, and more recently, the mixed frequency type F.

The Metrahit CAL calibrator serves as an accurate calibration and simulation device for electrical quantities. It is suitable as a handheld device for precise calibration and maintenance tasks both on-site and in testing fields and laboratories. Due to its diverse functions, this highly flexible instrument can be used in process engineering, maintenance, apparatus construction, general measurement technology, and many other areas.

Gossen Metrawatt METRAHIT CAL Calibrator,DAkkS
CAT III 1000V, CAT IV 600V, Handheld multimeter
The AC measuring clamp allows for non-intrusive measurement of alternating currents by encircling the current conductor or busbar. It is particularly suitable for use with the METRALINE DM61 multimeter.

TRMS Multimeter, motor development and insulation tester with 30,000 digits. The METRAHIT COIL is a digital multimeter with insulation measurement and winding short-circuit detection. It is robust and reliable for professional use and features an attractive design with impact-resistant plastic housing and state-of-the-art technology. The METRAHIT COIL is a portable and sturdy measuring device, especially for servicing electric machines and vehicles, such as generators, industrial trucks, or forklifts. It is field-ready and has an internal battery-independent power supply. TRMS multimeter with ± 30,000 digits resolution for voltage, current, temperature, etc. Insulation resistance measurement with test voltages from 50 to 1000 V and foreign voltage detection. Winding short-circuit detection with a test voltage of 1,000 V (surge test). Compact tester for electric machines, drives, and generators. Detection of insulation faults and winding short-circuits, including those that only occur under load, with a test voltage greater than the operating voltage. Extensive multimeter functions for service and diagnostics, e.g., with ratio measurement for adjusting parallel-running motors. The METRAHIT COIL enables easy and efficient diagnosis of winding short-circuits in electric machines, both in the lab and on-site. The device is particularly used in the service of machines and vehicles with electric drives. It is field-ready and has an internal battery-independent power supply. DAkkS calibration certificate included. 36 months warranty against material and manufacturing defects. COIL test adapter for motors with other inductances available upon request. Delivery includes: 1 x METRAHIT COIL multimeter, 1 x COIL test adapter 10 mH to 50 mH, 1 pair of safety test leads (1.5 m) with 4-mm test probes, 1000 V CAT III, 600 V CAT IV, 2 x 1.5 V batteries, type AA, 1 x quick start guide in German/English, 1 x DAkkS calibration certificate, 1 x rubber protective cover.

Gossen Hand multimeter digital Metraw
CAT III 1000V, CAT IV 600V, Handheld multimeter
The Metraline PV 1500 is the optimal solution for effective AC/DC current measurement on busbars up to 1000 A. This large, teardrop-shaped current clamp is specifically designed for measurements on busbars. Equipped with a backlit LCD display, automatic shut-off, and LPF, this innovative device offers a wide range of measurement functions, from resistance measurement to non-contact voltage detection. Certified to CAT IV 1000V – CAT III 1500V, the Metraline PV 1500 ensures maximum safety and is an essential tool for every electrical engineer.

The CP330 clamp current sensor has been designed for accurate, non-contact measurement of AC and DC currents. Utilizing Hall effect technology, it is suitable for precise current measurement.

The GOSS M535K PROFiTEST MF TECH is a highly advanced measuring and testing device specifically designed for assessing the effectiveness of protective measures in fixed electrical installations. It meets the requirements of DGUV Regulation 3 and offers comprehensive measuring and testing functions, including both predefined and programmable test sequences. This device is ideal for electrical professionals who need to conduct regular tests, whether after commissioning, repair, or expansion of electrical installations. With a user-friendly design and a context-sensitive color graphic display, the PROFITEST MF TECH allows for easy creation of test reports, saving valuable time. The ability to use once-created system structures across all PROFITEST devices ensures consistent testing quality. Additionally, the manufacturer guarantees that the device will remain up-to-date even after many years.
- Predefined and programmable test sequences for flexible application
- Easy creation of test reports through an optimized storage concept
- Context-sensitive color graphic display for intuitive operation
- Measurement category CAT IV 300V / CAT III 600V for high safety
- Calibration by a DAkkS-accredited laboratory for precise measurements.
