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This section provides an overview for electrometers as well as their applications and principles. Also, please take a look at the list of 11 electrometer manufacturers and their company rankings. Here are the top-ranked electrometer companies as of December, 2024: 1.Standard Imaging, Inc., 2.Keysight Technologies, 3.CNMC Company Inc..
Table of Contents
An electrometer is an instrument that can accurately measure electric potential or voltage by the potential difference between two points in a circuit.
By utilizing the electrostatic attraction and electrostatic repulsion between charged conductors, measurements can be made without current flowing from the circuit. Quadrant potentiometers and oscillating capacitance potentiometers are the two most common types of electrometers.
Quadrant potentiometers use a movable piece of metal (four separate disks suspended by a wire) to measure, in addition to potential, low currents, low power factor (an indicator of low effective utilization of power consumption in the power supply), and other parameters.
Oscillating capacitance electrometers convert a DC input into AC by changing the capacitance in parallel with the input, and then amplify it further to read the output. However, since it requires skill to handle, digital multimeters have been widely used in recent years.
Potentiometers are often used when evaluation with ordinary voltmeters is difficult. Specific applications include the following:
Compared to ordinary voltmeters, electrometers have a very high input resistance on the order of KΩ. Therefore, they are used to measure electric potential, insulation resistance, electric charge, and small currents in fields such as radiation, static electricity, and insulating materials.
In the case of surface potential meters, which measure static electricity, electrometers use the phenomenon of electrostatic induction to convert the induced charge from a charged object into a current and measure the charged potential from the AC voltage value.
The surface potential sensor, which is the measuring part of the surface potential measuring instrument, uses the electrostatic induction phenomenon. The electrostatic induction phenomenon refers to the phenomenon that when a charged object is brought close to a conductor, charges of the opposite polarity of the charged object are attracted to the side closer to the charged object.
In electrometers, when the sensing electrode receives the electrostatic field strength (a value indicating the strength of the electric field, which is proportional to the charged potential of the charged object), an induced charge is generated. When the electrostatic field strength is varied periodically at the vibrating electrode, the induced charge also changes periodically in tune, and a displacement current flows from the sensing electrode to ground (earth pole). By converting the current that flows in this case into an AC voltage signal with a resistor, it is possible to measure the charged potential of a charged object.
The measured value is affected by distance, object size, and environmental conditions (temperature, humidity, etc.), so comparisons must be made with these factors constant.
Among electrometers, a human body potentiometer is an instrument used to accurately measure the potential of the human body. Using a human body potential meter, it is possible to determine, based on the measured potential values, whether or not electronic devices carried by the worker will be destroyed due to electrical charging or discharge current from tools.
The human body potential meter can also be used to evaluate the extent to which anti-static measures such as wristbands, electrostatic mats, and electrostatic shoes can reduce the potential of the human body.
In the case of redox electrometers, care must be taken not to dry out the tip of the electrode because the potassium chloride in the electrode will precipitate and block the hole at the tip. To average the water, stir the water with the electrode while measuring.
If the oxidation-reduction electrometer readings show an abnormality, it is most likely due to water stains or oxide film adhesion. When water stain adheres to the sensor, lightly scrub the tip with a soft brush-like object and rinse it with tap water.
If the oxidation-reduction potential value still shows an abnormality, wash it with a soft brush or something similar with diluted neutral detergent. When oxide film adheres to the sensor, it is necessary to use a detection pole polisher.
Oxide film may form even if the sensor has just been purchased because of the generation of oxygen due to shaking during transportation. Also, when measuring clean water, care should be taken to avoid oxide film formation due to the high oxygen content.
*Including some distributors, etc.
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Brooks Instrument, established in 1946 and currently a subsidiary of Illinois Tool Works Inc. (ITW), is an American manufacturer with its global headquarters in Hatfield, Pennsylvania, specializing in flow and pressure measurement and control technology. The company’s offerings encompass various mass flow controllers and meters, tailored for heat treating, cutting, and other thermal processes for mass flow sensors. Additionally, the company delivers pressure and vacuum controller technology for original equipment manufacturers (OEMs). It develops vaporization technology, utilized in industrial and semiconductor processes, for water vaporization or humidification, along with variable area (VA) flow meters (rotameters) for liquid or gas flow measurement.
Standard Imaging is a manufacturer of Radiation Calibration and Quality Assurance instruments since 1989 and is based in Wisconsin. The company provides software along with Beam QA instruments, Phantoms, Electrometers, and Well Chambers for individually verifying brachytherapy source strength and they also provide various components related to Exradin Detectors. These products offer uses in healthcare for various purposes, such as radiation calibration, quality assurance, patient dosimetry, and diagnostic imaging. These products are designed to help healthcare professionals deliver accurate and safe radiation therapy for cancer treatment and other medical applications.
TSI, headquartered in the United States, is a supplier of instruments and measurements solutions since 1961. The company provides measurement, application guidance, and data analytics solutions that enables customers to make informed decisions in pharmaceutical manufacturing, semiconductor and electronics manufacturing, or cleanroom certification. Their instruments have helped organizations and individuals measure materials, analyze data, and comply with requirements of every kind.They also have product development, manufacturing and customer support facilities on three continents with distributors and manufacturers’ representatives providing local support worldwide.
Sydor Technologies, established in 2004 and headquartered in Rochester, New York, USA, is a manufacturer and supplier of complex measurement solutions. The company's product range includes photon, and X-Ray detectors and counters, ballistic test range equipment, and imaging and measurement solutions. These products cater to industries such as defense, energy, research, and scientific fields. Besides, the company is a global dealer with customers in over 33 countries. It offers training and support services to ensure customers maximize the benefits of their products.
CNMC Company Inc., established in 1978 and headquartered in Nashville, Tennessee, is a manufacturer, distributor, and supplier of calibration and QA/QC products. The company's product range includes anthropomorphic phantoms, area monitors, barometers, beam alignment, and beam constancy, catering to the medical radiation community. Its services include repair and modification services for dosimeters and ion chambers. The company also provides unparalleled customer service and offers custom product development. With decades of experience, it consistently exceeds expectations in quality and service.
Keysight Technologies, Inc. was founded in 1939 and headquartered in Santa Rosa, California. Keysight is a global developer and manufacturer of electronic design and test solutions to communications, networking, aerospace, defense, and government, automotive, energy, semiconductor, electronic, and education industries. Keysight’s communications solutions group solutions include electronic design automation software; radio frequency and microwave test solutions, hardware and virtual network test platforms and software applications, as well as optical laser source solutions. Keysight’s electronic industrial solutions group offers various design tools and verification tools. Keysight offers product support, technical support, and training and consulting services. It sells its products through direct sales force, distributors, resellers, and manufacturer's representatives.
TEKTRONIX, INC., founded in 1946, is a manufacturer of measurement solutions used in 3D sensing, EMI/ EMC testing, high-speed serial communication, material science engineering, and Wireless & RF testing. The products include oscilloscopes & probes, signal generators, margin testers, multimeters, and analyzers. The company's products are used in advanced research, aerospace & defense, automotive, power semiconductor, and medical industries. The Bracknell Berkshire company offers calibration, repair, asset management, package assembling, and testing services following NEMA, HAlT & HASS, environmental, and shock-vibration testing.
Ramem S.A., established in 2005 and headquartered in Barcelona, Spain, is a manufacturer and supplier of industrial automation equipment. The company's product range includes robotics, machine vision, and motion control systems. These products are used in a wide variety of industries, including automotive, aerospace, and manufacturing. Ramem S.A. is devoted to providing quality products and services to its customers. The company is ISO 9001:2015 certified and has a long history of customer satisfaction.
SMT - Setzer Messtechnik., established in 1998 and located in Vienna, Austria, is a manufacturer and supplier of electrical metrology products. The company's product range includes digital multimeters, power supplies and loads, source measure units, semiconductor analyzers, and signal generators. These products cater to diverse industries such as electronics, semiconductors, and research. Additionally, the company is devoted to offering complete solutions and personalized support for its customers. With over 3 decades of experience, the company consistently exceeds expectations in quality and service.
ADC Corporation, founded as a subsidiary of Takeda Riken Industry Co., Ltd in 1971 and based in Saitama, Japan, is a producer of analog measurement devices like optical power meters, source monitor units, and digital multimeters. Separating from Takeda Riken Industry Co., Ltd (Present Adventest Corporation) in 2003, the company began being a developer, manufacturer, and distributor of optical and electronic measuring instruments, digital multimeters, monitors for DC voltage/current sources and digital electrometers which they specialize in.
Hioki E.E. Corporation was founded in 1935 and headquartered in Ueda, Nagano. Hioki provides testing & analysis, manufacturing & inspection, and equipment maintenance to industries including mobility, battery, motor, energy, electronic components, and infrastructure. Hioki’s has 10 primary product categories which are: recorders and data loggers including oscilloscopes, LCR/Resistance Meters, safety testing including signal generators and calibrators, power meters including power quality analyzers, probes & sensors, optical & PV maintenance & telecommunication, environmental measuring, DMM & testers & field measuring, IoT & new solutions & meter relay, and bare board & package testing.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Sydor Technologies. |
13.5%
|
| 2 | Standard Imaging, Inc. |
13.5%
|
| 3 | CNMC Company Inc. |
11.7%
|
| 4 | Keysight Technologies |
11.7%
|
| 5 | TSI |
9.9%
|
| 6 | SMT - Setzer Messtechnik. |
9.0%
|
| 7 | HIOKI E.E. CORPORATION |
9.0%
|
| 8 | RAMEM S.A. |
8.1%
|
| 9 | ADC Corporation |
8.1%
|
| 10 | Atlantic Nuclear |
4.5%
|
Derivation Method
The ranking is calculated based on the click share within the electrometer page as of December 2024. 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
|
6 | 60.0% |
|
Japan
|
2 | 20.0% |
|
Spain
|
1 | 10.0% |
|
Austria
|
1 | 10.0% |
33 products found - Page 1
33 products - Page 1
ACHILLES CORPORATION
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A handheld digital display electrostatic potential measuring device that measures the potential of charged objects without contact. Simple operatio...
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Kasuga Electric Co., Ltd.
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Yagyu Shokai Co., Ltd.
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■Features - The color of the backlight changes depending on the operating status (during measurement: blue, during calibration: green, during alarm...
Kyowa Interface Science Co., Ltd.
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Kyowa Interface Science Co., Ltd.
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Kyowa Interface Science Co., Ltd.
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Kyowa Interface Science Co., Ltd.
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Custom Co., Ltd.
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4.0 Company Review
■ ORP (redox potential) value and temperature are displayed simultaneously. ・ IP67 dustproof, waterproof resistance. ・ The “auto lock function” t...
Custom Co., Ltd.
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■ Waterproof ORP meter that can be replaced by sensor ・ Used to measure the oxidation potential. ・ IP57 compliant waterproof.
Youpi Co., Ltd.
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■Product specifications: High resistance meter/fA meter/potential meter, 6½ digits, current: 0.1fA-20mA, resistance: 1PΩ, voltage: 1μV-20V, charge:...
T&M Corporation Co., Ltd.
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■Product specifications: High resistance meter/pA meter/electrometer, 6½ digits, current: 0.01pA-20mA, Resistance: 1TΩ, voltage: 1μV-20V, voltage s...
Simco Japan Co., Ltd.
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Chiyoda Technol Co., Ltd.
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SUPERMAX is an electrometer with a 2-channel amplifier, touch screen interface, chamber library function, and 1fA high resolution. A high-performan...
Chiyoda Technol Co., Ltd.
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Employs vibration capacitive micro-charge meter technology that is at the national standard level. This is a domestically produced electrometer usi...
Hanna Instruments JAPAN
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Hanna Instruments JAPAN
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Anton Paar GmbH
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■ Unlimited accuracy, speed, convenience ・ The Surpass 3 series is characterized by fully automatically performing zeta potential analysis on the ...
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