Sweating Guarded Hotplate - Test Equipment

• 

TheThermal and Water-vapour Resistance Testeris a special measurement device used for measurement of thermal and water-vapour resistance under steady-state conditions („sweating guarded-hotplate test“) of textiles according to ISO 11092. is a special measurement device used for measurement of thermal and water-vapour resistance under steady-state conditions („sweating guarded-hotplate test“) oftextiles according to ISO 11092.

Working principle

The test method, as described in ISO 11092. is based on measurement of the heat losses through the sample in stable temperature (thermal resistance). Sample is placed on thehot plate; the hot plate is surrounded with active heat shields on all sides except for the side with the sample. Electrical power required to hold the hot plate temperature stable ismeasured and converted to temperature resistance of the sample: the better temperature resistance (better insulation), the lower power is needed.

The sample can be precisely moisturized in order to simulate human perspiration (and measure water-vapour resistance). To achieve this, the hot plate is porous and water can bepumped into the assembly. A digital regulator holds constant level of water/vapour mix in the hot plate assembly. The sample does not soak up with water as the sintered material of the hot plate is permeable only to water vapour.

The sample gets wet with the water vapour and is chilled with a wind, simulated with tangential fans: just like when wearing sweaty clothes. The air speed and turbulent flow areelectronically regulated. The water-vapour resistance is then measured from the hot plate heating power requirements.

Structure

The device consists of two parts: the hot plate device unit (HPD) and a trolley. The HPD is inserted into a customer-supplied climatic chamber. The trolley is then connected with the HPD by means of a water hose and an electrical connector.

Features

WATER CIRCUIT wets the sample. As the sample dries, the device adds water under the porous hot plate. An insertion of a cold water can cause inaccurate results, so we heat the water in a two-stage pre-heater.

UNIFORM HEATING of the hot plate is important for accurate results: we use copper layer to achieve high uniformity. In addition, our temperature regulators measure temperature with 0.018 °C resolution.

EQUIPMENT DRAWER

The trolley includes an equipment drawer and a shelf to store all documents and small parts.

USE YOUR OWN CLIMATE CHAMBER

The device fits in all climate chambers that can accommodate 550x430x600 mm (customizable).

RUNS WINDOWS

No special computer needed. We use a Windows 10 based touch notebook computer with Ethernetand Wi-Fi: it would be easy to store the reports on your network.

The measurement application isfree, in English or Czech. We caneven do remote support!

Другие товары поставщика

	Liquid Sliding Penetration Comprehensive Performance Tester	The G373 Liquid Sliding Penetration Comprehensive Performance Tester is a precision instrument designed to evaluate the liquid penetration properti...
	Carbon Arc Weathering Test Chamber	Carbon Arc Weathering Test Chamber is a globally recognized instrument for accelerated sunlight colorfastness testing. It evaluates the light-induc...
	Smoke Density Test Apparatus - Test Equipment	The touch screen computer dual control smoke density tester for building materials is developed according to the technical conditions specified in ...
	perspiration fastness tester - lab instrument	We are a professional testing instrument manufacturer offering complete laboratory testing solutions. If you need more information or wish to explo...
	Drying Rate Tester - lab instrument	The drying rate tester is a professional device used to measure the drying rate of a substance. Application fields Textile industry: used to eva...

Похожие товары

	Air Intake Filter Test System	Продавец: Standard Groups	The Air Intake Filter Test System is designed for testing industrial air filters and engine air f...
	Mattress Spring Fatigue Tester，ASTM D3574 ，how to test mattress for sagging	Продавец: Standard International Group (HK) Limited	The King Size Foam Fatigue Tester is a single-station pneumatic fatigue testing system designed f...
	Mattress Rollator，ASTM F1566 ，Mattress Durability Tester，Mattress Fatigue Tester	Продавец: Standard International Group (HK) Limited	The Mattress Rollator is a laboratory durability testing system designed to evaluate the long-ter...
	HD2 Pneumatic Foam Fatigue Tester，ISO 3385，Foam Fatigue Testing Machine	Продавец: Standard International Group (HK) Limited	The HD2 Pneumatic Foam Fatigue Tester is a heavy-duty, single-station laboratory testing machine ...
	VW Heel Abrasion Tester，ISO 4649 ，Heel Performance Testing Machine	Продавец: Standard International Group (HK) Limited	The VW Heel Abrasion Tester is designed to evaluate the wear resistance of floor covering materia...