Powder measuring system PD-600 for resistance measurement

Precise determination of the specific resistance of powders

The Powder measuring system PD-600 from Nittoseiko Analytech enables a precise and reproducible determination of the specific electrical Resistance of powders under defined pressure conditionsThe measuring range extends from very low pressing forces starting at 0,01 kN up to 20 kN, thus covering a wide range of applications in research, development and quality assurance.

The system consists of a closed pressure chamber, specially developed measuring electrodes, and an automatic hydraulic unit for precise pressure control. integrated vacuum pump It supports both the uniform filling of the sample cylinder and the efficient cleaning of the measuring components. This ensures stable measuring conditions and high reproducibility of the results.

PD-600 powder measurement system for determining the specific resistance of powders under pressure in the laboratory

General information about powder measurement

The measurement of powders is of great importance in many industrial and scientific areas. It enables the precise determination of physical properties such as specific resistance, density and particle size distribution. This information is crucial for the development and optimization of materials and processes in various industries. Through precise measurement methods, the properties of powders can be analyzed and improved, resulting in higher efficiency and quality of the end products.

Measuring ranges of the powder measuring system

The PD-600 powder measuring system enables the devices to determine the specific resistance in both the low-resistance and high-resistance ranges HIRESTA UX or LORESTA GX according to proven procedures.

Hiresta measuring device: high-resistance measuring range 10³-10¹⁴Ω, ring electrode measuring method with up to 1000 V
Loresta measuring device: low-resistance measuring range 10^-4-10⁷Ω, 4-point measurement method

These devices enable a comprehensive analysis of powdery measurement objects, ensuring the precise determination of specific resistance and the optimization of material properties. The PD-600 powder measuring system can make a decisive contribution to increasing quality and efficiency in various areas of application.

Specialized measuring head for precise resistance measurements in the low current range of powder samples

Robust measuring head for resistance measurements in highly conductive powder materials

The functions are as follows

Filling in the sample

The powdery sample is filled into the cylindrical shape of the measuring head unit with the support of an integrated vacuum pump. This pump also ensures good repeatability of the bulk density.

Connection of the measuring electrode and the cylinder Filling in the measuring powder

Inserting the volumetric flask

Inserting the measuring unit

A high-precision pressure sensor in conjunction with the innovative measuring probes (4-pin / ring electrode) enables extremely precise measurement results and ensures very good repeatability.

Inserting the measuring unit

Define pressing pressure

The pressing pressure exerted on the measurement object by the automatic hydraulic pump can be set in advance. Measuring steps are possible in the range from 0,01 to 20 kN.

Structure of the measuring head system Measuring chamber of the PD-600 powder measuring system

Data collection

The pressing pressure exerted on the measurement object by the automatic hydraulic pump can be set in advance. Measuring steps are possible in the range from 0,01 to 20 kN.

Measurement in conjunction with the Loresta GX

diagram

After the measurement, the data can also be transferred to a diagram that shows the electrical resistivity of the measurement sample depending on the pressing pressure.

Automatic transfer of measured values Graphical representation of the measured values

Example of the accuracy of repeated measurements

Diagram showing the repeatability of resistance measurements in powders as a function of pressure. — Measurement diagram for representing the specific resistance of powders as a function of pressure

Powder measurement with the PD-600

Sample preparation for powder measurements

Filling the measuring cylinder with a defined amount of powder

Positioning of the piston for subsequent pressurization

Integration of the sample into the PD-600 measuring system

Performing resistance measurement under controlled pressure load

Setup of the measuring system for determining the specific resistance

Complete solution for electrical material testing

Digital measurement data analysis

Visualization of measurement results

Application areas of the PD-600 powder measuring system

The PD-600 powder measuring system is widely used in the Battery research , where high-quality conductive additives and carbons play a crucial role in the development of high-performance batteries. In order to improve the range, charging time and service life of lithium-ion batteries while ensuring resource-efficient use of production materials, new formulations are constantly required.

Articles: Powder measuring system PD-600 – with precision to better batteries >>

Other important areas of application are Research and Development of functional and effect pigments as well as thermoplastic powders. In addition, the powder measuring system is in the Production technology and quality control used, especially in the pharmaceutical industry.

Analysis of soot and conductive carbons

Analysis of conductive granules

Determination of electrical properties

Analysis of additives for functional materials

Electrical properties of color pigments

Characterization of industrial carbon materials

Analysis of bulk materials

Resistance measurement in fine powder structures

Analysis of conductive fiber structures

Investigation of electrical properties of pharmaceutical powders for process control

Powdery substances of carbon products:

Materials for electrodes in rechargeable batteries and for capacitors
Carbon-based materials for resistors and insulation applications in electronics
Technical carbon materials such as graphite, coke, carbon fibers and carbon nanofibers
Types of carbon black (e.g., conductive carbon black, industrial carbon black, resistivity carbon black) for adjusting electrical properties
Carbon-based conductive additives for modifying polymers and coatings
Powder materials such as graphite, carbon and charcoal for the analysis of specific resistance
Lithium metal oxides as functional materials in energy storage applications

Metallic powders:

Metal powders for battery electrodes and thin-film applications (e.g. copper powder, ITO powder)
Metallic materials and powder alloys such as copper, zinc, bronze and aluminum oxide for technical applications
Precious metal powders (e.g., silver, gold, platinum) for sensor technology, medical technology and printed electronics
Metal powders for implants and functional surfaces with defined electrical properties
Conductive pastes and electrically conductive metal-based paints for coatings and electronic components
Powder-based materials for the analysis of electrical resistance and resistivity in development and quality assurance

Materials for lithium-ion batteries:

Active materials for positive and negative electrodes to adjust electrochemical and electrical properties
Cathode materials such as LCO (lithium cobalt oxide), NCM (lithium nickel cobalt manganese oxide) and LFP (lithium iron phosphate)
Powder-based electrode materials for the analysis of resistivity, compaction behavior and process stability
Combinations of active materials and conductive additives to optimize electrical performance
Materials for energy storage applications with high requirements for reproducibility and quality assurance

Medical technology / pharmaceutical industry:

Conductive additives in polymers for medical device housings and ESD applications
Pharmaceutical active ingredients and excipients (API, excipient) for the analysis of compaction behavior and process stability
Ceramic powders for sensors, actuators and implantable components

Other areas:

Thermoplastic powders for evaluating material properties and processability
Fine dusts and technical dusts for the analysis of electrical behavior and compaction
Pigments (e.g., effect pigments, metallic pigments, color pigments) for characterizing functional coatings
Printer toner and magnetic materials (e.g., ferrites) for electrostatic and electronic applications
Coating materials for films (e.g. polyester, PET and label films) with defined electrical properties
Food powders for investigating process behavior and material homogeneity

Technical specifications of the powder measuring system

The following specifications provide a detailed overview of the system's technical characteristics and operating parameters. They form the basis for precise, reproducible, and standards-compliant measurement of the electrical properties of powders under defined conditions.

Measurement method	Constant current/voltage method
Measuring devices	Low-impedance range – Loresta-GX ( 10^-4-10⁷ Ω) High impedance range – Hiresta-UX ( 10³-10¹⁴ Ω)
Power supply	AC 90 – 240V / 50 – 60Hz
Pressure area	0.01kN – 20kN (approx. 60MPa)
Hydraulic unit	automatically
Measuring head unit	20mm (Ø) x 40mm (L)
Types of measuring heads	4-pin electrode (electrode distance: 3mm) Ring electrodes (Ø 20mm)
Main unit	450mm x 340mm x 580mm (W x D x H) / 42kg
Hydraulic unit	570mm x 370mm x 320mm (W x D x H) / 29kg
Required accessories	Window PC with Excel
EC Declaration	Devices including EC Declaration of Conformity (CE Marking) / UK Declaration of Conformity (DoC): All our devices meet the applicable European and British standards for safety and quality.
conformity standards	EN 61000-6-3:2007, EN 61000-6-1:2019, EN 61010-1:2010/A1:2019, EN IEC 63000:2018
warranty	Our devices are covered by a 12-month warranty.

Powder measuring system PD-600 for determining electrical resistance and resistivity under pressure — Measurement of specific resistance and resistivity of powders under defined pressure

soot

Measurement with Loresta-GX

Thermoplastic compound

Measurement with Loresta-GX

Dust

Measurement with Hiresta-GX II

graphite

Measurement with Loresta-GX

Foam sample, electrical resistance measurement, porous material, material testing

Insulating foam

Measurement with Loresta-GX

titanium oxide

Measurement with Loresta-GX

silicon carbide

Measurement with Loresta-GX

We measure your powder materials

We know that the quality and accuracy of the measurement results are of utmost importance to you. Therefore, we offer you the option of... Measurement of your material samples also available as a service to take advantage of our services. Our experienced team ensures that every sample is handled with the utmost care and precision.

Especially for Research institutes and universities This offer has proven its worth, as it provides a fast, reliable and low-investment way to obtain meaningful measurement results for studies, material developments and scientific evaluations.

For each measurement carried out, you will receive a detailed test report that provides you with detailed information and analyzes of your material samples. This report includes all relevant data, including pressing pressure, bulk density and resistivity, and can, if desired, be presented in clear graphs showing electrical resistivity as a function of pressing pressure.

A particular advantage: Before the Investment in your own powder measurement system We analyze up to three of your material samples free of chargei. Alternatively, these measurements will be fully credited towards a later device purchase. This provides you with a reliable basis for decision-making and allows you to practically assess the system's performance.

Pricing for further measurements is transparent and based on the number of samples. This ensures that the service remains flexible and economical – both for individual analyses and for more extensive test series.

Contact:
By phone: +49- (0)2154 – 81250
Email: info@nh-instruments.de