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ISO 20877 Shoe Thermal Insulation Testing Machine Shoe Cold Resistance Tester

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ISO 20877 Shoe Thermal Insulation Testing Machine Shoe Cold Resistance Tester

Name: ISO 20877 Shoe Thermal Insulation Testing Machine Shoe Cold Resistance Tester
Brand: Lonroy
Price: 1 USD

Brand Name : Lonroy

Model Number : LR-A206

Certification : ISO ASTM CE

Place of Origin : China

MOQ : 1

Price : Negotaible

Payment Terms : L/C,D/A,D/P,T/T,Western Union

Supply Ability : 200

Delivery Time : 5-8 work days

Packaging Details : wooden package

Product name : Shoe Thermal Insulation Testing Machine

Customization : Available

Warranty : 1 Year

Weight : Approximately 290 kilograms

Power Supply : 1 phase, AC 220V, 28A

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ISO 20877 Shoe Thermal Insulation Testing Machine Shoe Cold Resistance Tester

Introduction

It is mainly used to test the cold resistance of finished shoes. By observing the temperature changes of the inner lining and inner sole of the shoe upper during a certain period of time in a specific environment, it can determine the quality of the cold resistance of the shoes. It is applicable for cold resistance performance tests of all types of shoes or boots. All accessories are made of stainless steel.

Experimental Principle

The shoe cold resistance testing machine is mainly used to test the cold resistance of finished shoes. The testing method is as follows: First, a temperature testing system is installed inside the inner sole pad, and another one is installed on the inner side of the upper surface. Steel balls are filled into the shoes. If the height of the upper surface is insufficient, a ring can be installed at the shoe opening to increase the height. Adjust the temperature in the cold resistance box to maintain it at -20℃ ± 2℃. This is the initial temperature for measuring the sample. Place the sample on the telescopic frame in the freezer box, adjust the telescopic height so that the top line of the shoes is level with the opening of the instrument. Seal the opening with a thermal insulator to prevent cold air from entering the shoes through the top opening. Use a temperature measuring instrument to record the temperature change of the thermocouple within 30 minutes when the shoes are placed in the cold resistance test box, and calculate the temperature drop within 30 minutes (the temperature measuring instrument can also be connected to a computer, and the computer will automatically measure and calculate the temperature changes inside the shoes to determine the quality of the shoes' cold resistance performance).

Compliant with standards

Part 5.13 of GB/T20991, as required by ISO20877-2001, GB/T21284, and HG/T2182

Technical specifications

Copper plate, heat insulation cover, temperature testing system and thermal element	Copper plate: 150mm wide × 350mm long × 5mm thick; thermal element (commonly called sensor in China)
Copper/Copper-Nickel Thermal Element	The front end is welded with a copper disc: 2mm thick ± 0.1mm, 15mm in diameter ± 1mm
Heat conductor	A steel ball with a diameter of 5mm and a total mass of 4 kilograms
Temperature recorder	Equipped with a compensator and compatible with the temperature testing system
Box temperature (with adjustable height support mechanism)	Normal temperature to -20℃ ± 2℃
Temperature range	Normal temperature to -30℃
Inner box dimensions	40 × 50 × 50 cm (Width × Depth × Height)
Temperature control accuracy	±0.5℃
Temperature distribution uniformity	±0.1℃
Cooling speed	Approximately 60 minutes (cooling duration)
Freezing system	Fully enclosed compressor, single-stage design
Refrigerant	Environmentally friendly refrigerant
Outer/inner boxes and fixtures (material)	Stainless steel
Insulation material	Rigid foam
Temperature control operation method	Key operation input, numerical display output
Counter	LCD display, counting range: 0 - 99999
Temperature control system	BTC balanced temperature control system, P.I.D. mode control
Weight	Approximately 290 kilograms
Power supply	1 phase, AC 220V, 28A

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ISO 20877 Shoe Thermal Insulation Testing Machine Shoe Cold Resistance Tester

ISO 20877 Shoe Thermal Insulation Testing Machine Shoe Cold Resistance Tester

ISO 20877 shoe thermal insulation tester

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ISO 20877 Shoe Thermal Insulation Testing Machine Shoe Cold Resistance Tester Images