• Compact
  • Ergonomic design
  • Compliant with IEC 61851-1, IEC 60364-7-722
  • Indoor and outdoor use
  • Immediate diagnosis of the behaviour of the EVSE AC charging point
  • Safety test of the charging point, thanks to the e-mobility solutions of the associated EVSE packs
Datasheet
User Manual

One instrument for all electrical safety tests and Power Quality analysis GSC60 was designed with the aim of making safety of electrical installations visible and valuable, easily and quickly. Thanks to the new HTOS™ system the unit displays a message OK - NOT OK after completing the test. The user interface, totally updated under HTOS™, permits to set and carry out measurements in few steps. You can store all recorded data and create folders and subfolders for each kind of test adding comments and notes by means of virtual keyboard. GSC60 is also a three-phase power and energy consumption analyzer boasting, as unique feature, its FREE APP HTAnalysis compatible with iOS and Android. Test results can be transferred through Wi-Fi onto smartphone or tablet enclosing a picture, a video or a voice note to each measurement. You can transfer everything onto HT Cloud and make data available in real time for your colleagues all over the world. GSC60 makes the job of installer, electrician or consultant easy, rapid and cost-effective.

Datasheet

  • 5 voltage inputs & 4 current inputs
  • All-terrain shockproof casing resistant to UV light and high temperatures
  • Ideal for mounting on electricity poles
  • Self-powered by its voltage inputs up to 1, V
  • Continuous recording at 2 ms intervals
  • Measurements in compliance with IEEE 1459
Datasheet

The CA 6116N is an ALL-IN-ONE instrument for testing electrical installations in compliance with the national and international standards (IEC 60364-6, NF C 15-100, VDE 100, FD C 16-600, etc). It combines design, ergonomics, simplicity, performance, rapidity and accuracy. Suitable for all neutral systems (TT, TN, IT), it is ideal for all sectors: industry, tertiary and residential.

Datasheet

The CA 6117 is an ALL-IN-ONE instrument for testing electrical installations in compliance with the national and international standards (IEC 60364-6, NF C 15-100, VDE 100, FD C 16-600, etc). It combines design, ergonomics, simplicity, performance, rapidity and accuracy. Suitable for all neutral systems (TT, TN, IT), it is ideal for all sectors: industry, tertiary and residential.

Datasheet

AUTO test (Non-trip ground resistance, RCD, Insulation) in sequence
Insulation with test voltages 100, 250, 500, 1000VDC
Measurement of dielectric absorption ratio D.A.R.
Measurement of polarization index P.I.
Continuity of protective conductors with 200mA
Tripping time of type A, AC General and Selective RCDs
Non-trip earth resistance
Loop/Line impedance, Phase-Phase, Phase-Neutral, Phase-PE
Loop/Line impedance Phase-Phase, Phase-Neutral, Phase-PE with high resolution (0.1mΩ) With optional accessory IMP57
Contact voltage
Phase sequence
Help on line on the display
Internal memory for measured data saving
Optical/USB serial port for PC connection
Protection rating
Power supply
Protection category CAT IV 300V
Weight in grams (batteries included) 1200
Size (LxWxH) (mm) 222x162x57
Datasheet
User Manual

AUTO test (Non-trip ground resistance, RCD, Insulation) in sequence
Insulation with voltage 50, 100, 250, 500, 1000VDC
Measurement of polarization index P.I.
Tripping time and current of F-type RCDs
Measurement of dielectric absorption ratio D.A.R.
Continuity of protective circuit with 200mA
Tripping time and current of RCDs type A, AC Standard, Selective B type up to 300mA
Non-trip earth resistance
Loop/Line impedance Phase-Phase, Phase-Neutral, Phase-PE with high resolution (0.1mΩ) With optional accessory IMP57
Loop/Line impedance, Phase-Phase, Phase-Neutral, Phase-PE
Percentage voltage drop on the line
Contact voltage
Phase sequence
Help on line on the display
Internal memory for measured data saving
Optical/USB serial port for PC connection
Protection rating
Power supply
Protection category CAT IV 300V
Weight in grams (batteries included) 1200
Size (LxWx H) (mm) 222x162x57
Datasheet
User Manual

  • All electrical safety measurements as required by the international safety standards
  • AUTOMATIC test (no-trip ground resistance, RCD tripping time, insulation resistance) in a sequence
  • Continuity of protective conductors with 200mA
  • Insulation resistance up to 1000V, with dielectric absorption ratio D.A.R. and polarization index P.I.
  • Polarity test
  • Type A, AC, B General and Selective RCD tripping time and current
  • Line/Fault impedance, Phase-Phase, Phase-Neutral, Phase-PE (also at high resolution with optional accessory IMP57)
  • Coordination of MCBs and fuses
  • Global earth resistance
  • Phase sequence and conformity measurement
  • Measurement of leakage current
  • Measurement of electrical parameters in single-phase installations (V, A, W, VAR, VA, PF)
  • Measurement of environmental parameters through external probes (HT52/05 and HT53/05)
  • Internal memory and PC connection
  • Wi-Fi connection to Android and iOS smartphones and tablets
Datasheet
User Manual

Combined device for measuring insulation and continuity of protective and equipotential conductors with 200mA
M70 is a mobile device dedicated to measuring Insulation resistance with test voltage up to 1000VDC and Continuity of protective and equipotential conductors with current of 200mA in private and industrial electric installations.
Thanks to the LOCK function, insulation measurement can be carried out in a continuous manner over time, thus testing the insulation of the target with a duration test. It carries out measurement with a timer, programmable from 2 to 60s.

Datasheet

Combined device for insulation measurement, continuity of protective conductors and multimeter function TRMS

M72 is mainly dedicated to measuring Insulation resistance and Continuity of protective and equipotential conductors with 200mA in electric installations, typically private.

Further to these measurements, M72 has many additional functions such as measurement of phase sequence with 1 terminal, measurement of leakage currents with optional clamp transducer and a powerful multimeter function for measuring voltage and current in true root mean square value (TRMS).

Datasheet

M73 has been developed for operators who mainly work on private installations. M73 is very easy to use, it is very small in size and it carries out all necessary tests to establish COMPLIANCE (and hence ensure SAFETY) of an electric system.
By always using it before starting working on an already existing system (which the operator therefore does not know well) and at the end of the job, this device will guarantee the necessary safety to both operators and users of the electric systems! Thanks to its small size, this device offers many operating opportunities. M73 is also used to test the safety of electric system; it s therefore capable of measuring non-trip earth resistance, carrying out tests on RCDs type A and AC and measuring Insulation and Continuity. At the end of the test, the device shows all results with the indication of compliance or non-compliance with the standards with simple symbols di OK or NOT OK.

Datasheet

Device for safety tests according to IEC/EN61557-1 with TRMS multimeter functions
M74 measures Overall earth resistance, tripping time of RCDs type AC, Insulation and Continuity of earth and equipotential conductors according to the laws in force in private electric installations.
In order to make it versatile and fully functional for any kind of end user, the device has been provided with the innovative AUTO: function: by selecting this function and only setting the value of RCD current, M74, connected to a power outlet, carries out tests of overall earth resistance, RCD tests and insulation tests in a sequence. At the end of the test, the device shows all results with the indication of compliance or non-compliance with the standards with simple symbols OK or NOT OK.
M74 has many additional functions such as measurement of phase sequence with 1 terminal, measurement of leakage currents with optional clamp transducer and a powerful multimeter function for measuring voltage and current’s true root mean square value TRMS.

Datasheet

Device for safety tests according to IEC/EN61557-1 with TRMS multimeter functions and test of cable mapping on lan RJ-45 networks.
M75 is the mobile device par excellence! HT suggests operators who mainly work on private installations to ALWAYS have M75 at hand. Here’s the reason why: it is very easy to use, very small in size and it fully automatically carries out all necessary tests to establish COMPLIANCE (and hence ensure SAFETY) of a private electric system.
ALWAYS using it before starting working on an already existing system the operator does not know well and ALWAYS using it at the end of the job will guarantee the necessary safety to both operators and users of the electric systems! Thanks to its small size, this device offers many operating opportunities. M75 is used for testing the safety of electric systems, so for measuring overall earth resistance, testing RCDs type A and AC, insulation and continuity. In order to make it versatile and fully functional for any kind of end user, the device has been provided with the innovative AUTO: function: by selecting this function and only setting the value of RCD current, M75, connected to a power outlet, carries out tests of overall earth resistance, RCD tests and insulation tests in a sequence. At the end of the test, the device shows all results with the indication of compliance or non-compliance with the standards with simple symbols OK or NOT OK. This innovative product also offers the following functions: TRMS multimeter for AC/DC voltage, AC/DC current (with external clamp), Resistance measurement, Test on LAN network cables, Test of phase sequence with a single lead.

Datasheet

  • Earth measurement by loop methods
  • Continuity measurement at 0.2A
  • Insulation testing
  • RCD testing: current and trip time
Datasheet
User Manual

The rugged and portable C.A 6121 is comprehensive tester for the EN 60204 machine directive; it covers all the measurements specified by this directive.

  • dielectric test: at 1,000, 1,250 and 1,500 V AC with: - adjustment of max. current threshold - display of real voltages and currents - test with or without timer - floating HV outputs for greater safety
  • insulation test: 0 to 500MΩ at 500 or 1,000V DC with: - programming of the min resistance threshold - testing with or without timer function
  • continuity test: 0 to 2Ω at 12V / >10A AC with: - 4-wire measurement - voltage drop display (∆U: 0 to 10V - programming of the max. voltage drop and resistance threshold - testing with or without timer function
  • discharge time test: 0 to 10s at 600V AC/DC - measurement at 2 points (power supply terminals) or 4 points (internal components)
  • backlit LCD matrix screen
  • storage of 1,000 measurements
  • RS232 output
  • remote control signals
  • software / remote control pedal / indicator lamps and printer available as options
  • IP54 site-proof casing
  • measurements according to EN 60204-1, VDE 104 and EN 61180-1 et -2
  • electrical safety: IEC 1010 Cat.III 600V
  • dimensions: 250 x 260 x 400 mm; weight: 11 kg
Datasheet

  • Tests according to the regulatory reference bases
  • Customizable automatic scripts
  • Colour touch screen usable with gloves
  • Multilingual interface
  • Customizable visual inspections
  • 3 kV dielectric tests, insulation 1 GΩ, continuity 10 A
  • RCD tests from 6 mA to 1000 mA
  • Direct and differential leakage current
  • Discharge time
  • Automatic printing of Pass/Fail sticker
  • Interfaces for barcode, RFID, remote control and lamps
  • Storage of up to 100,000 tests
  • 1 USB-B port and 2 USB-A ports
  • Wifi communication
  • Analysis and report generation software for PC
  • Firmware updates via USB drive
Datasheet
User Manual

  • Tests according to the regulatory reference bases
  • Customizable automatic scripts
  • Colour touch screen usable with gloves
  • Multilingual interface
  • Customizable visual inspections
  • 5 kV dielectric test, insulation 50 GΩ, continuity 25 A
  • Direct, differential, substitution and touch leakage voltage
  • Unweighted / weighted measurement networks, reversal of L-N polarity, welding machine
  • Discharge time
  • Automatic printing of Pass/Fail sticker
  • Interfaces for barcode, RFID, remote control and lamps
  • Storage of up to 100,000 tests
  • 1 USB-B port and 2 USB-A ports
  • Wifi communication
  • Analysis and report generation software for PC
  • Firmware updates via USB drive
Datasheet
User Manual

  • Capacitive colour touch screen
  • Automatic test sequences
  • Storage of the tests on memory card up to 32 GB
  • 5 kVAC/ 6 kVDC HV dielectric test, 25 A continuity, 1,000 V isolation
  • Substitute direct leakage current, PE, differential leakage current
  • and touch leakage current
  • External and internal discharge time up to 10 s / 550 V peak
  • P, Q, S, Pf, Cos φ, THDU, THDI, U and I functional test
  • Inputs/outputs to pedal, indicator lamps, PC
  • Compatible with TT, TN and IT networks, 230 V / 115 V
Datasheet

COMBI419 carries out tests of electric systems in compliance with 17th edition and therefore measurements of overall earth resistance, tests on RCDs type A and AC up to a rated current of 1A, Insulation, Continuity and short-circuit currents, it also allows measuring and saving leakage current and offers the possibility of checking phase sequence only using one lead. The internal memory allows saving the measurements carried out in order to subsequently transfer them onto the PC through the serial connection. In order to make it versatile and fully functional for any kind of end user, the device has been provided with the innovative AUTO function: by selecting this function and only setting the value of RCD current, COMBI 419, connected to a power outlet, carries out tests of overall earth resistance, on RCDs and insulation tests in a sequence. At the end of the test, the device shows all results with the indication of compliance or non-compliance with the standards with simple symbols OK or NOT OK.

Datasheet

17th Edition Multifunction Installation with single-phase power quality measurement COMBI420 tests to all local regulations (17th edition) and provides test results for complete documentation. It measures overall earth resistance, tests on RCDs type A and AC up to a rated current of 1A, Insulation up to 1000V, Continuity with 200mA and short-circuit currents, it also allows measuring and saving environmental parameters (illuminance, temperature), leakage current and the electric quantities active power, harmonics, power factor on single-phase systems and, last but not least, it offers the possibility of checking phase sequence only using one lead. The internal memory allows saving the measurements carried out in order to subsequently transfer them onto the PC through the serial connection. The instrument has been provided with the innovative AUTO function: by selecting this function and only setting the value of RCD current, COMBI420, connected to a power outlet, carries out tests of overall earth resistance, on RCDs and insulation tests in a sequence. At the end of the test, the device shows all results with the indication of compliance or non-compliance with the standards with simple symbols OK or NOT OK.

Datasheet

EV-TEST100 in combination with appropriate HT multifunction instrument simulates an electric vehicle connected to the charging station, allowing you to verify the EVSE full functionality and electrical safety. ​EV-TEST100 is able to test charging stations with charging modes 2 and 3 and Type 2 connector (European standard).

Datasheet

Multifunction Tester for safety of machinery IEC/EN60204-1 and low voltage switchgears and controlgears IEC/EN61439-1-2

IEC/EN60204-1 Measuments:

Power Frequency Dielectric withstand voltage with test voltage of 1000VAC

Testing protection against indirect contact:

  • Continuity of protective conductors with test current 200mA
  • Automatic disconnection of the supply (RCD, MCB, Fuse)​
  • RCD tripping (RCD AC, A, B) up to 1A on TT Systems
  • Magneto-thermal protections (MCB curve verificaiton on B, C, D, K) and fuses (gG, aM) on TN Systems

​Insulation resistance measurement with test voltage of 500VDC

Discharging of residual voltage V<60V in 5sec/1sec

 

IEC/EN61439-1-2 Measurements:

Clearances and Creepage distances:

  • Dielectric withstand voltage with test voltage of up to 3400/5100VAC

Continuity of earth system and protective conductors ≥10A

Power Frequency Dielectric withstand voltage with test voltage of 1800VAC

Alternative power-frequency voltage test up to 5100VAC

Test on enclosures of insulating material:

  • Dielectric Withstand voltage with test voltage up to 2835V

Discharging of residual voltage V<60V in 5sec/1sec

Datasheet


Installation Testing (VDE 0100)

Test instruments for installation testing according to VDE 0100 are designed to inspect, test and verify complete electrical installations. They are used for inspection, functional testing and electrical measurements before commissioning, after modifications or periodically. The goal is to ensure compliance with standards, operational safety and proper functioning of the installation.

FAQ

What does “installation testing according to VDE 0100” mean?

It refers to the systematic inspection and testing of an electrical installation according to the requirements of the VDE 0100 standard series. The objective is to verify that planning, installation and protective measures have been correctly implemented and the system is safe for operation.

When is such a test required?

Before first commissioning of a new installation, after modifications or expansions, as well as periodically in regular intervals, especially for commercial or public installations.

Which test steps are typically included?

The test comprises visual inspection, functional and protective testing as well as electrical measurements such as continuity checks, insulation resistance, protective earth bonding, protective conductor resistance and, if applicable, safety function tests.

What is an initial (first) inspection?

An initial inspection is performed after completion of the installation but before first operation. It includes inspection, testing and measurement to ensure compliance with applicable safety standards.

What is a recurrent inspection and when is it carried out?

A recurrent inspection is carried out at defined intervals to ensure ongoing safety and reliability of the installation, taking into account wear, aging and changes in the environment or usage.

Which measurements are typically performed?

Possible tests include protective earth/ground resistance, insulation resistance, continuity, protective function checks, verification of protective measures, voltage absence, and inspection of wiring and protective devices.

Who is authorized to perform an installation test?

Only a qualified electrician or specialist with appropriate training and experience is permitted to carry out installation tests according to VDE 0100.

What happens if defects are detected?

Any deficiencies must be documented, corrected properly, and the test must be repeated prior to commissioning or continued operation of the installation.

What safety precautions must be observed during testing?

The installation must be de-energized when required, correct personal protective equipment must be worn, and test devices must be operated properly. Test voltages and protective equipment must suit the installation environment.

How must results be documented?

Measurements, date, tester, installation condition, detected faults and corrective measures must be recorded in a test report. Documentation is essential for compliance and future reference.

What is the role of the standard DIN VDE 0100-600?

This standard defines the requirements for the initial inspection of low-voltage electrical installations, specifying procedures for inspection, testing and measurement before commissioning. It also applies for modifications or extensions of existing installations.

Are complete installations or only individual devices tested?

The inspection covers the entire electrical installation — including wiring, protective measures, grounding, distribution boards and safety systems — not just single devices or outlets.

In which contexts is VDE installation testing relevant?

During building construction, renovation, commercial or industrial installations, public buildings, residential properties, and whenever electrical installations are newly created, modified or expanded.

What are the consequences of missing or insufficient testing?

Insufficient testing can lead to liability issues, loss of insurance coverage, legal consequences and increased risk of electric shock, fire or malfunction.

How often should a recurrent inspection be performed?

Intervals depend on usage, load, and local regulations. In many cases, inspections are required every few years, especially in commercial or public installations.

How does installation testing differ from individual device testing?

Installation testing evaluates the entire electrical system — wiring, protective measures, grounding and load-bearing parts — rather than single appliances or devices.

What documentation is required after testing?

A test report with measurement results, date, tester credentials, installation ID, condition of components and any corrective actions taken. This constitutes the official record for compliance and future inspections.

Which instruments are typically used for installation testing?

Insulation testers, multimeters, earth-/continuity testers, voltage testers, continuity and RCD testers, clamp meters or current transformers — depending on the scope of the installation and test requirements.

When may an installation be put back into service after testing?

Only after all values are within acceptable limits, corrections have been carried out and the test report is complete. The installation must meet all safety and normative requirements before re-energization.

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