---Volume resistance/surface resistance tester

Product Specification

Volume resistance/surface resistance tester

Ultra wide resistance range: covering a measurement range of 106 Ω to 1018 Ω, accurately adapting to the resistivity detection needs of various insulation materials
Multi level high voltage output: supports
10V/50V/100V/250V/500V/1000V optional voltage meets the withstand voltage testing standards of different materials
Dual mode high precision: Integrated volume resistance and surface resistance dual testing modes, high-precision measurement circuit ensures stable and reliable data
Widely used in the field of electrical performance analysis and quality inspection of electronic insulation materials, plastics, rubber and other materials

Open Mixing Mill 
Dual‑roll precision structure Adopts high‑strength alloy steel rolls with precision grinding and quenching treatment for high hardness and excellent wear resistance. The roll gap can be finely adjusted to ensure uniform material dispersion during mixing. It is the core component for plasticizing and mixing polymer materials such as rubber and plastics.
Precise temperature‑control technology Built‑in heating & cooling system inside rolls. Temperature can be accurately adjusted from ambient temperature up to 200℃ with ±1℃ control accuracy. It meets processing‑temperature requirements of various polymer materials and guarantees stable product quality.
Variable‑frequency speed‑regulation system Roll speed features stepless adjustment according to process requirements. It adapts to different working procedures including mixing, sheeting and hot milling. Low‑noise and stable operation matches processing rhythm of diverse formulations to improve production efficiency.
Comprehensive safety protection Equipped with emergency stop button, safety guard rail and photoelectric induction protection device to prevent safety risks caused by mis‑operation. Complies with industrial safety standards and provides reliable protection for operators.

Key Technical Parameters & Applications ‑ Roll diameter optional: 160mm / 200mm / 250mm for different production capacity ‑ Temperature range: ambient‑200℃, dual‑mode for heating and cooling ‑ Drive system: hard‑tooth‑surface reducer with large torque and stable performance ‑ Application fields: rubber products, plastic modification, cable compound production and other rubber‑plastic industries as essential basic processing equipment

Vulcanizing Press
Hydraulic Drive System: Adopts high‑power hydraulic drive for stable and reliable pressure output, delivering strong and constant power for rubber vulcanization & molding.
Precise Temperature Control & Intelligent Timing: Vulcanization temperature adjustable from ambient temperature to 200℃ with high control accuracy. Free setting of vulcanizing time, automatic process execution to guarantee consistent vulcanization quality.
Multi‑mold Compatibility & Wide Application: Compatible with various mold sizes, suitable for vulcanizing and molding rubber products such as sealing rings, tires and rubber hoses.
Clamping Force Option: 50T / 100T / 200T, available for production of different‑size products.

Water Diffusion Tester
Core Features
Precise Temperature & Humidity Regulation Accurately controls test temperature from ambient to 80 ℃ with stepless adjustment. Relative humidity can be flexibly tuned to simulate real‑world service conditions under various climates, providing stable and controllable environment for water‑diffusion measurement.
High‑precision Weighing Monitoring Equipped with analytical weighing module of 0.1 mg resolution. It captures tiny weight variations of specimens in real‑time and reflects mass increment caused by water penetration, delivering key data for water‑diffusion‑coefficient calculation.
Intelligent Data Acquisition The system synchronously collects temperature, humidity and sample weight data. It supports real‑time data display, storage and historical traceback, and can automatically generate standardized test reports to improve test efficiency and data reliability.
Wide Application Scope Suitable for water‑diffusion performance test of plastics, rubber, composites, building materials, electronic packaging materials and other solids. It evaluates water absorption, water permeability and water‑aging performance for R&D and quality inspection.
Technical Advantages Excellent temperature‑control accuracy and humidity stability with minor temperature fluctuation to guarantee consistent test environment. 0.1 mg ultra‑high weighing resolution detects subtle mass change from moisture penetration. Customizable test procedures are available. Compliant with national and industrial standards, it serves as vital testing equipment for material research and quality control.

Composite insulator hydrophobicity test device

Spray simulation: 0.1~0.3MPa adjustable pressure, producing uniform water mist to accurately simulate natural rainfall, meeting the rating requirements of IEC62073 standard
High definition observation: equipped with high-definition cameras and professional lighting systems, with a 360 ° adjustable viewing angle in all directions, to clearly capture the details of the hydrophobic state of the insulator surface
Intelligent operation: touch screen automated control, easy and efficient operation, specially designed for the detection and evaluation of surface hydrophobicity quality of composite insulators
Widely used in the quality inspection and performance evaluation of insulators in the power industry