All Categories
History
This section provides an overview for electronic leak detectors as well as their applications and principles. Also, please take a look at the list of 8 electronic leak detector manufacturers and their company rankings. Here are the top-ranked electronic leak detector companies as of February, 2025: 1.Restek Corporation., 2.REFCO Manufacturing Ltd., 3.Micha Design Company Limited.
Table of Contents
An Electronic Leak Detector is a device that emits a sound or signal to alert the user in the event of an electrical leakage.
Electrical wiring may be subject to insulation deterioration due to the insulation coating peeling off as a result of disasters or age-related deterioration. When this occurs, sparking between the exposed core wire and the building frame generates heat, and wiring with an organic insulation coating can easily catch fire.
Electrical fires are often caused by the above causes. Electronic Leak Detectors are installed for the purpose of preventing such fires.
Electronic Leak Detector installation standards for buildings are generally using lath mortar.
Lath mortar is a structure in which mortar is spread around a metal mesh called metal lath. Thin metal mesh has a low allowable current and low grounding resistance, which increases the risk of fire.
Even when lath mortar is used, the installation may be exempted if the contract current is low or the total floor area is small.
Electronic Leak Detectors are designed to detect ground-fault currents and to alarm when a certain power system is not normally supplied with power.
When a power system is feeding power normally, the sum of the currents on the distribution lines is always zero. This is true for both three-phase and single-phase systems. In electrical engineering, this is called a balanced state. In a balanced state, the sum of the magnetic fields around the wiring feeding a single system is zero, and the change in the currents around the system due to the magnetic fields is 0A.
However, when a ground fault occurs and a ground fault current flows, the equilibrium state is disturbed and the sum of the magnetic fields of all phases is no longer 0. ZCT is a device that clamps all phases of wiring together and detects currents flowing out of equilibrium.
Electronic Leak Detectors receive the earth fault current value from the ZCT, and if the value exceeds a predetermined threshold value, the alarm is triggered. Since it only emits an alarm, it has no interrupting capability against leakage current. For leakage current fire protection, a separate switchgear or RCD must be installed.
*Including some distributors, etc.
Sort by Features
Sort by Area
Restek Corporation is a chromatography products manufacturer founded in 1985 and headquartered in Bellefonte, Pennsylvania. The company offers various products including sample preparation and collection products like solid phase extraction (SPE) cartridges, liquid chromatography (LC) and supercritical fluid chromatography (SFC) columns, and reference standards used for calibration and quality control purposes. Other products include accessories such as flow meters, regulators, and valves. These are used for monitoring the quality of soil, air, and water, as well as petrochemicals and pharmaceuticals. Restek Corporation provides clients with tech support, product education, and custom solution services.
Mastercool Inc. is a Randolph, New Jersey-based manufacturer, and supplier of air conditioning service tools and equipment used in the automotive and HVAC/R industries since 1982. The HVAC air conditioning tools and equipment portfolio includes blower fans, vacuum pumps, tubing tools, vacuum gauges, and measure & test instruments such as air probes, digital sound level meters, pen-type hygrometers, thermal imaging cameras, and digital & analog thermometers. It supplies the automotive industry with manifolds, blower fans, vacuum pumps, compressor service tools, and consumables such as flushes, nitrogen pressure regulators, leak testing adapters, and oils & accessories.
REFCO Manufacturing Ltd., in Hitzkirch, Lucerne in 1972 is a manufacturer of HVAC/R service products. Their product portfolio includes Vacuum pumps and recovery units, charging scales, hoses, manifolds, hand tools, and condensate pumps. the company serves markets including Automotive and Electric Vehicles, Renewable Energy and Energy Storage and Electronics and power generation. They also provide services including product selection, installation, preventative maintenance, global distribution, customer and technical support and repair.
Megacon is a manufacturer of electronic products and equipment founded in 1972 and headquartered in Bergen, Norway. The company primarily produces various power distribution and generation devices such as synchronizers, load sharers, current transformers and generator controllers. Other products include monitoring and alarm mechanisms to work in conjunction with supervisory control and data acquisition (SCADA) systems, as well as digital and analog signal processing devices for converting or uploading relayed information. Megacon products have applications in the marine and offshore, renewable energy, and industrial sectors — supplying clients via a network of partner distributors and sales agents in over 50 countries.
Ranking as of February 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Restek Corporation. |
29.4%
|
| 2 | REFCO Manufacturing Ltd. |
17.6%
|
| 3 | Micha Design Company Limited |
11.8%
|
| 4 | Allied Edison, LLC |
11.8%
|
| 5 | Mastercool Inc. |
11.8%
|
| 6 | MRD Rail Technologies |
5.9%
|
| 7 | Anu Vidyut |
5.9%
|
| 8 | Megacon |
5.9%
|
Derivation Method
The ranking is calculated based on the click share within the electronic leak detector page as of February 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
2 | 50.0% |
|
Switzerland
|
1 | 25.0% |
|
Norway
|
1 | 25.0% |
17 products found
17 products
Daiichi Electronics Co., Ltd.
130+ people viewing
Last viewed: 12 hours ago
Protection and monitoring of earth leakage current and overload are integrated into one unit. Realizes protection and monitoring of leakage current...
Kyushu Kiden Co., Ltd.
150+ people viewing
Last viewed: 3 hours ago
Standard Response
5.0 Company Review
■Summary A circuit breaker that combines the functions of a fuse-free circuit breaker and an earth leakage relay. ■Features In addition to overloa...
Nippon Sokki Co., Ltd.
90+ people viewing
5.0 Company Review
■Summary Honeywell fire detectors provide solutions to keep people safe and property safe. In addition to residential disaster prevention alarms (s...
Taiwa Electric Industry Co., Ltd.
70+ people viewing
Last viewed: 11 hours ago
Fast Response
■Summary Receiver embedded type Fire service law standard compliant product
Taiwa Electric Industry Co., Ltd.
40+ people viewing
Last viewed: 11 hours ago
Fast Response
■Summary Collective type earth leakage fire alarm, embedded type, 10 circuits, fire service law standard compliant product
Taiwa Electric Industry Co., Ltd.
50+ people viewing
Last viewed: 11 hours ago
Fast Response
■Summary Electrical leakage fire alarm tester, battery operated, current measurement, fire service law standard compliant product ■Features ・Smal...
Taiwa Electric Industry Co., Ltd.
60+ people viewing
Last viewed: 11 hours ago
Fast Response
■Summary Indoor penetration type Fire service law standard compliant product
Taiwa Electric Industry Co., Ltd.
50+ people viewing
Last viewed: 1 hour ago
Fast Response
■Summary 5 circuits, measured value/maximum value display, pre-alarm ■Features ・Compact size capable of monitoring earth leakage of up to 10 circ...
Taiwa Electric Industry Co., Ltd.
60+ people viewing
Last viewed: 2 hours ago
Fast Response
■Summary Light and heavy 2-tier recessed type JIS C 8374-1991 standard compliant product
