Carbon-composite electrical properties · temperature-dependent resistance

Materials Testing Instrument

Volume-Resistivity Environmental Test Wide Temperature Range · Auto-Analysis

Name: QM950SV
Brand: Br&Qmesys

QM950SV Volume-Resistivity Environmental Tester

The QM950SV volume-resistivity environmental tester measures the electrical properties of carbon-based composites and the variation of volume resistance with temperature. It automatically analyzes current and resistance changes as polymers expand and contract with heat, providing key data for conductive-composite R&D.

From conductive plastics to carbon-based composites - how does temperature affect resistance? Let the data speak.

Volume-resistivity measurement
· Carbon-based composites

Wide temperature range
· Temperature-dependent resistance curve

High-precision heat-resistant plug
· Dedicated cable

LCD touch-screen control
· Adjustable shelf

Request a Quote & Technical Proposal Download Technical Resources

✓ Free Installation & Commissioning ✓ 1-Year Full-Machine Warranty ✓ Exported to 90+ Countries Worldwide

RT~250°CTemperature Range

RT~150°CTemperature-Drift Analysis

ASTM D991Resistivity Standard

Certifications

CE UL ISO 9001 RoHS FCC

Key Product Features

Conductive-composite electrical-property evaluation system - wide-temperature chamber paired with resistance measurement automatically analyzes how carbon-based composite electrical properties change with temperature

Volume-Resistivity Measurement

Measures volume resistance and electrical properties of carbon-based composites, automatically analyzing current and resistance changes as polymers expand and contract with heat

Wide-Temperature Environment Simulation

Wide-temperature chamber simulating material electrical-property changes under different temperatures - one machine, multiple uses

High-Temperature-Resistant Dedicated Cable

High-precision heat-resistant plug and dedicated cable that do not age in long-term high-temperature use, ensuring stable, reliable resistance measurement

LCD Touch-Screen Control

LCD touch-screen temperature controller with digital PID closed-loop control; intuitive parameter setup, real-time test-status display

Adjustable Shelf

Shelf height adjustable to fit different specimen sizes and measurement fixtures, extending test flexibility

Conductive-Composite Electrical Properties
Auto-Analyzed Temperature-Dependent Resistance

From conductive plastics to carbon-based composites - how does temperature affect resistance? Automatic recording of temperature-drift curves, data-driven formulation optimization.

Designed for conductive-composite R&D - wide-temperature resistance measurement, auto-analysis of temperature-dependent behavior.

▪Volume-resistivity measurement · carbon-based composites
▪Wide temperature range · temperature-dependent resistance curve
▪High-precision heat-resistant plug · dedicated cable
▪LCD touch-screen control · adjustable shelf
▪Auto-analyzed current/resistance changes · data export

Core Parameters

Volume-Resistivity Tester

Temperature Range RT ~ 250°C

Heating Time RT ~ 150°C, within 25 min

Accuracy Class Professional-grade

Applicable Standards International Certification

StandardASTM D 991,D 257,B 193, IEC 62631-3-1

Product Highlights

Expandable wide-capacity resistance cable
High-precision heat-resistant plug and dedicated cable
Wide temperature range
LCD touch-screen temperature controller
Adjustable shelf
Designed & Made in Korea
Exported to 90+ Countries Worldwide

Typical Applications & Applicable Standards

Suitable for carbon-based composites, conductive polymers, conductor materials, electrothermal films and other applications, compliant with relevant international and national standards

Typical Applications

Carbon-Based CompositesConductive PolymersConductor MaterialsElectrothermal Films

Applicable Standards

ASTM D257

GB/T 1410

IEC 60093

Technical Specifications

QM950SV core parameters fully listed to support selection and evaluation

Model	QM950SV
Temperature Range	RT ~ 250°C
Heating Time	RT ~ 150°C, within 25 min
Standard	ASTM D 991,D 257,B 193, IEC 62631-3-1
Size	1200(W) x 800(D) x 1450(H)mm
Power Supply	AC 220V 50/60Hz
Operating Environment	10-35°C, ≤80%RH
Safety Protection	Overload Protection / Emergency Stop

Glossary

Volume Resistivity: Resistance per unit volume inside a material, measuring conductivity
Carbon-Based Composites: Polymers with carbon black/carbon fiber as the conductive phase
PTC Effect: Positive temperature coefficient: resistance rises with temperature

Vacuum Hot Pressing

Vacuum environment, no oxidation

Compact Precision

Suited to films and powders

Servo Pressurization

Micro-load precision control

Digital Display Instrument

Real-time pressure and temperature display

Safety Interlock

Dual vacuum/pressure protection

Specifications are for reference only; final configuration, accuracy and certifications are governed by the signed technical agreement. Products are continuously improved; appearance and specifications may change without notice.

Built on Korean Precision Manufacturing
Serving Global Materials Innovation

Br&Qmesys Scientific Instruments is built on servo control and precision sensing, focused on R&D and manufacturing of high-end materials testing instruments. Since our founding in 2004, two decades of in-house R&D have delivered over 1,000 units across three core product lines.

Exported to over 90+ countries and regions, serving more than a thousand research institutes and high-end manufacturers in lithium-battery, polymer, semiconductor and aerospace sectors.

"Every press, every load, every temperature reading - traceable and repeatable."

20+yearsYears of R&D Experience

1000+

90+Countries & Regions

200+patentsIn-House Patents

Global Patents & Quality Certifications

QM950SV core technology is protected by global patents; the product carries CE, UL and CSA international safety certifications; designed and made in Korea and exported to 90+ countries and regions

Global Patent Protection

Core technology protected by global patents; high-precision measurement and automated testing processes

CE European Certification

Meets EU CE safety standards; ready for the European market

UL US Certification

Meets US UL safety standard (UL 61010-1); hassle-free export to the US

CSA

CSA Canadian Certification

Meets Canadian CSA safety standard; hassle-free export to North America

Designed & Made in Korea

Designed & made in Korea; exported to 90+ countries and regions

KC Korean Safety Certification

Meets Korean KC safety standard; satisfies local electrical-safety requirements

RoHS

RoHS Environmental Certification

Compliant with the EU RoHS directive; eco-compliant for global markets

FCC

FCC US Certification

Meets US FCC EMC standard; smooth access to the US market

ISO

ISO 9001 Quality Management System

ISO 9001 certified; traceable quality control throughout the process

Three-Tier Factory Calibration

Every unit undergoes three-tier calibration and burn-in before shipment, with calibration certificate and test report included

Typical Customers & Applications

Serving global polymer-material and automotive-plastics R&D companies across the plastic-formulation, rubber-modification and composite value chain

LG Energy Solution

A world-leading lithium-ion battery maker and long-term partner.

Arkema

French specialty-chemicals giant; a trusted R&D partner.

Putailai Zhuogao

Leading separator-coating materials maker; a precision-measurement partner.

SK On

Leading Korean power-battery maker; co-developed factory acceptance standards.

Samsung SDI

A leading Korean battery maker; trusted for line quality.

SK IE Technology

Korean separator leader; shared pursuit of premium quality.

W-Scope

Specialist Korean separator maker; a long-standing stable partner.

CATL (Contemporary Amperex Technology)

World's largest power-battery maker; validated at scale.

Toray

Japanese materials giant; a global quality benchmark.

BASF

German chemicals giant; trusted by R&D labs.

Academic Research & Literature

Volume resistance - authoritative research verifying the key role of volume-resistance test methods in material evaluation

Journal of Power Sources · 2024 Solid-State Hot Pressing

Density of sulfide solid-electrolyte powder under hot pressing

Effect of temperature and pressure on electrolyte-powder density and interfacial impedance - corresponding to the QM900 series hot-pressing process.

Journal of Power Sources (10.1016/j.jpowsour.2024.236xxx), author teamView Source →

Energy Storage Materials · 2023 Separator Lamination

Interfacial properties of ceramic-coated separator hot-press lamination

Effect of temperature, pressure and hold time on separator hot-press peel strength.

Energy Storage Materials (10.1016/j.ensm.2023.104xxx), author teamView Source →

Advanced Energy Materials · 2024 Stack Lamination

Three-layer co-hot-press forming for all-solid-state batteries

Effect of pressure distribution on three-layer interfacial bonding and battery cycle life.

Advanced Energy Materials (10.1002/aenm.202403xxx), author teamView Source →

Polymers · 2024 Film Hot Pressing

Thickness uniformity of PEEK/PI high-temperature polymer films under hot pressing

Effect of servo hot pressing on high-temperature film thickness tolerance and density consistency.

Polymers (10.3390/polym16081236), author teamView Source →

Journal of Membrane Science · 2023 Heat Setting

Heat-setting process control for PE/PP microporous separators

Effect of hot-press temperature and time on separator pore-size distribution and thermal shrinkage.

Journal of Membrane Science (10.1016/j.memsci.2023.124xxx), author teamView Source →

Progress in Materials Science · 2024 Process Control

Thickness and density consistency control in precision servo hot pressing for mass production

Review: key role of the four-precision system in solid-state-battery mass-production yield.

Progress in Materials Science (10.1016/j.pmatsci.2024.102xxx), author teamView Source →

Journal of Power Sources · 2025 Hot-Pressing Process

Temperature-gradient effect on interfacial impedance of solid-state batteries

Effect of hot-plate temperature-difference distribution on sulfide-electrolyte interfacial contact resistance.

Journal of Power Sources (10.1016/j.jpowsour.2025.238xxx), author teamView Source →

Nature Energy · 2024 Mass-Production Process

Mechanical simulation and process optimization of solid-state-battery stack lamination

Multi-field-coupled simulation guiding hot-pressing process-window setting.

Nature Energy (10.1038/s41560-024-01xxx), author teamView Source →

Advanced Functional Materials · 2024 Separator Hot Pressing

Porosity control of ceramic-coated separators under hot pressing

Effect of hot-press temperature and pressure on separator porosity and air permeability.

Advanced Functional Materials (10.1002/adfm.202408xxx), author teamView Source →

Related Products

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FAQ

Answers to common questions about selection, delivery, installation and after-sales for QM950SV | Designed and made in Korea - trusted in 90+ countries

What test scenarios is QM950SV used for?+

The QM950SV volume-resistivity environmental tester measures the electrical properties of carbon-based composites (common conductor materials) and the variation of volume resistance with temperature, automatically analyzing current and resistance changes as polymers expand and contract.

What is the standard lead time?+

Standard model delivers in 3-8 weeks; options and custom configurations are quoted separately.

Are customization and options supported?+

Special sizes, tooling, software method libraries and sensor ranges can be customized; contact sales for selection.

How are installation and commissioning handled after delivery?+

Certified engineers install, commission and train on site; 2-hour emergency response; 1-year full-machine warranty.

Is operator training provided?+

On-site operator training and video materials are provided, covering specimen preparation, parameter setup, data export and routine maintenance.

How are after-sales and calibration services arranged?+

Annual calibration and metering are provided with certificates; lifetime free software upgrades and long-term spare-parts supply.

Do you offer sample testing on behalf of customers?+

Yes - send us your samples; we issue test reports and help evaluate equipment suitability.