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Helmut Fischer vs NDT-KITS: Comparison of Electrical Conductivity Meter

In this blog post, you’ll read:What do you need to consider when buying electrical conductivity meter? We compare 2 electrical conductivity gauges suppliers, Helmut Fischer and NDT-KITS, to help you get the best pick.

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What do you need to consider when going for best conductivity meters? Apart from the price of the instrument, are there any other factors that you should consider before buying?

These are some of the questions that need to be answered before you get into the crucial process of purchasing an electrical conductivity meter. Lucky for you, we have all the answers to the questions above plus some more valuable information that you require as you try to pick the best electrical conductivity meter for your business applications.

In this article, we will compare eddy current gauges models, features and applications from two different manufacturers and we will give you a final verdict on the instrument that is likely the best pick for you. Keep reading to learn some more.



I. Helmut Fischer Conductivity Meter


1. About Helmut Fischer

Helmut Fischer is a company that has specialized in surface testing, manufacturing, and supplying instruments that are not only reliable but also easy to use.  It was founded in 1953 and has since then been offering testing solutions for a wide range of industries and applications.  The company has offices and representatives in twenty-one different countries, meaning Helmut Fischer products can be found almost anywhere around the globe. 

Helmut Fischer manufactures both simple handheld gauges and complex high-end measuring systems that are suitable for both on-site and quick on-the-go measurements in the field.  Electrical conductivity meters by Helmut Fischer are used in a variety of applications such as aerospace and automotive industries for component quality measurements.


2. Popular Helmut Fischer






  • Description 


This is a quick, accurate and portable instrument that uses the eddy current principle for the measurement of electrical conductivity in non-ferrous metals such as aluminum and copper.  It is a highly compact instrument allowing you to check material quality and stability in various industrial operations.  Using the Sigmascope SMP350 enables you to do conductivity measurements efficiently in materials with a rough surface and also on surfaces with paint and plastic coatings.


  • Features


  • Has a large range of operational frequencies (15 KHz to 2MHz) enabling measurements for different depths.
  • Operates at a temperature of 0-40 degrees Celsius
  • Has temperature correction coefficient for different materials
  • Allows for periodic manual temperature input and monitoring
  • Has a large memory capacity for more than 1000 readings
  • Automatically compensates for curvature in materials of up to 6mm in diameter
  • Has an accuracy of +/- 0.5% at room temperature
  • Comes fitted with an internationally viable calibration standard
  • Has a high resolution display and user friendly touchscreen interface



  • Application


– Material sorting and quality assurance checks

– Used to assess material hardness after heat treatment in metals

– Inspection of authenticity of coins

– Inspection for flaws such as cracks and heat damage in materials.

– Precipitation monitoring in alloys such as copper and chromium 







  • Description 


No more playing of the guessing game when it comes to testing the validity of gold coins.  with the Sigmascope GoldC and Sigmascope GoldB, you can be sure of getting accurate test results for your gold items.  Sigmascope GoldB can be used for testing components of up to 17mm thick, while Sigmascope GoldC is used for accurately testing thinner gold components.  


  • Features


  • Fast method of nondestructive gold testing
  • Features a large color touchscreen display
  • It is an easy-to-use instrument that does not require trained persons to operate
  • Used to measure a large range of thickness due to their high penetration capabilities
  • Does not require direct contact with the test material for accurate results. Can test through covers of up to 0.5 mm in depth.
  • Uses a more accurate eddy current principle for measuring
  • Various probes and calibration standards are available for accurate measurements of coins and thicker gold bars
  • Can be used at a temperature range of 0 – 40 degrees Celsius


  • Application



– Easy testing of gold bullion from around 31.1g to 1kg

– Can be used to detect the inclusion of other types of metals in gold components



– Testing of gold coins and gold bars of up to 100 g

– Testing of gold-based alloys to ascertain their correct composition

– Conductivity values can be used to verify the presence of precious metals other than gold in coins.



II. NDT-KITS Conductivity Meter


1. About NDT-KITS

NDT-KITS is a company that has devoted itself to the production of high-quality, highly accurate non-destructive testing instruments that are affordable and focused on solving all your nondestructive testing requirements.  It is a company with over 40 years of experience in the industry, with a dedicated research and development and engineering team.

We have developed a range of electrical conductivity meters that utilize the eddy current working principle.  Our conductivity gauges are used on a daily basis in industries mostly dealing with metal and metal alloy production and treatments such as the automotive and aerospace industries.  NDT-KITS has suppliers all over the world, bringing us closer to you, no matter where you are.


2. Popular NDT-KITS Conductivity Meter


EE0011 Electrical Conductivity Meter


Electrical Conductivity Meter EE0011


  • Description 


The EE0011 conductivity tester for metals is a portable eddy current meter that is used for quick analysis of non-ferromagnetic materials.  Moreover, the measured electrical conductivity values are used for the separation of different materials and for quality control purposes in an industrial setup.


  • Features


  • Provides two different units for reading the electrical conductivity (% IACS and MS/m)
  • Has data-saving capabilities
  • The meter uses 60 kHz aviation industry standards for testing
  • Has a large interface with backlight illumination to enable comfortable use in both indoor and outdoor settings
  • Has a high-power battery that enables long periods of instrument usage
  • It is a compact gauge that is easy to carry and comfortable to hold in your hands
  • Enables fast and easy replacement of probes no matter where you may need to use it


  • Application


– Used in the processing industry to test the conductivity of non-ferrous metals like aluminum and copper.

– In the aerospace and automotive industries, the EE0011 is used to monitor heat treatment processes for strengthening aluminum alloy.

– For testing the conductivity of aluminum metal when it has not been oxidized.

– Testing of thermal Performance or heat damage analysis in materials.

– To test the purity and grade of materials.

– Test materials resistivity in industries dealing with electrical and electronics components.



EE0022 Electrical Conductivity Meter


Electrical Conductivity Meter EE0022


  • Description 

This is an eddy current conductivity meter that operates at a frequency of 60 and 120KHz for accurate materials quality testing.  It is a quick and convenient instrument that has been optimized for your easy and comfortable use in the testing of non-ferromagnetic materials.


  • Features


  • Has a large interface and a backlight illumination that makes it easy for you to use even in low light conditions
  • Has two types of operating languages
  • Has a high power battery to enable you to work with a longer instrument running time
  • The conductivity meter uses 60 kHz and 120 kHz frequencies for its operation
  • Testing data is relayed in two kinds of units, %IACS and MS/m, you can be able to choose the unit that you are more comfortable using in your applications
  • It is highly portable and allows you to cover more inspection areas within a short period of time
  • Allows for easy changing of conductivity meter probes while in use in different kinds of locations
  • The EE0022 can store up to 1000 measurement data


  • Application


– Used in the processing industry to test the conductivity of aluminum, copper, and other non-ferrous metals.

– Test purity of metal-based materials.

– Used to monitor heat treatment efficiency in the strengthening of aluminum alloys in the aerospace and automotive industries

– To test material resistivity and conductivity.

– Material thermal performance or thermal damage analysis.



III. Helmut Fischer vs NDT-KITS: Which is the Best for you?


Each conductivity gauge model by the different manufacturers has proven its worth according to the above information.  However, in order to pick an electrical conductivity meter that best suits your type of work, it is best to compare some specific features of the instruments by each manufacturer.


For the Helmut Fischer conductivity meters:


  1. Materials. The electrical conductivity meters are used for a variety of materials such as metal alloys, and non-ferromagnetic materials.  The most notable is the ability to scan for precious metals by the Sigmascope Gold series electrical conductivity meters.
  2. Application. Used in a variety of applications such as the automotive industry and in the precious metals industry for checking the purity of materials.
  3. Frequency. The Sigmascope SMP350 operates at a wide frequency range of 15 kHz to 2MHz.
  4. Temperature. The minimum operating temperature for Helmut Fischer EC meters is 0 degrees while the maximum temperature is 40 degrees Celsius.
  5. Measuring Accuracy. They operate at an accuracy of +/- 0.5% at room temperature.


For the electrical conductivity meters by NDT-KITS:


  1. Materials. electrical conductivity gauges by NDT-KITS are used in the measurement of quality in materials such as aluminum, copper, and other non-ferromagnetic components.
  2. Application. Used in a variety of applications such as the aeronautical, automotive, manufacturing, and electronics industries for checking the purity and resistivity of materials.
  3. Frequency. 60KHz for the EE0011 and 60 -120KHz for the EE0022 electrical conductivity meters.
  4. Temperature. The minimum operating temperature is 0 degrees while the maximum temperature is 50 degrees Celsius for both NDT-KITS electrical conductivity gauges.
  5. Measuring Accuracy. They operate at an accuracy of +/- 0.1%IACS and 0.3%IACS at temperatures of up to 45 degrees C.
  6. Delivery Date. 1 to 2 weeks period.


From the above comparison, it is clear that the EE0011 and the EE0022 have more features that are desirable for use in a wider range of applications.  They are also highly portable, easy to use, and comfortable in your hands.  In addition to this, they can be delivered to you in a short period of time.


III. Your Perfect Pick: NDT-KITS

The perfect pick according to us is the EE0011 and EE0022 electrical conductivity gauges by NDT-KITS. Some of the advantages of these meters are the high operating frequencies that allow them to be used in an array of applications. The second advantage is the higher operational temperatures (up to 50◦C) while the third advantage is the high measuring accuracy.

It is no surprise that the NDT-KITS models are the best choice because the company has been in the NDT instrument design and manufacture for more than 4 decades and works closely with our clients to ensure we create NDT solutions with each new innovation.  We are a company that promises to supply high-performing instruments at a cheaper price than our competition. What’s more, we deliver at a record time of just 7 to 14 days.


➤ Related Article: How to Import Electrical Conductivity Meter from China?




Electrical conductivity measurement has the advantage of being fast nondestructive testing that is used in different industries for process quality assurance and control.  It is for this reason that selecting a proper electrical conductivity meter for your business is important.

In the process of selecting the best conductivity meter, it is good to compare the features and specifications of various models and manufacturers, as we have done for you. We hope that this guide has been of help to you and will make the process of you choosing a conductivity meter a little easier on you.

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