GD-0719A Automatic Wheel-Track Tester

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Product Details

Brand Name	GOLD		Place of Origin	China
Model Number	GD-0719A

Product Description

Introduction:

1. This instrument is designed and made as per industrial standard T0719-2011 Wheel Track Test for Bituminous Materials in JTG E20-2011 Standard Test Methods of Bitumen and Bituminous Mixtures for Highway Engineering.

2.It is used to determine the wheel track resistance property of bituminous mixtures under high temperature condition(Immersed in water or not immersed in water).

I. Main technical features:

1. PWM temperature control. It can control: (1) Water temperature in chamber during water immersed wheel track test
(2)Ambient temperature of constant temperature chamber at a time.

2. The constant temperature chamber adopts outside circulatory heating mode. The uniformity and stability is good. No overshoots.

3. It shows time- displacement curves and time- temperature curves during a test.

4.It equips an absolute temperature sensor. No temperature drift in a long time test.

5. The mechanical structure adopts wheel movement mode.

6. One wheel tester. It can determine both water immersion test or no water immersion test.

II. Main technical specifications:

Sample size	300mm×300mm×(30～200）mm (Grinding wheel molding) 300mm×15mm×50mm（Cutting on site）
Working mode	Rod drive
Rubber hardness	78±2 at 60℃,international standard.
Test wheel movement	230mm±10mm
Grinding rate	(42±1)times/min (21 times of returns/min)
Loading device	（0.7MPa～1.3 MPa）±0.05Mpa when CPRESS is at 60℃
Displacement measuring range	0mm～30mm
Displacement measuring accuracy	＜0.01mm
Wheel track test time	60 minutes～240 minutes. 60 minutes is standard
Temperature controle for constant temperature chamber	Ambient temp.～80℃，precision ±0.3℃
Deformation measurement	Precision 0.3%，minimum division 0.005mm.
Test temperature	45℃～85℃, precision 0.5℃
Working environment	Temperature 0℃～50℃，RH ≤90%
Drive motor power	0.75kW，1450r/min
Power supply	3 phases and four lines. Power 3.5KW，The yellow line is working zero line
Dimension	1510mm×740mm×146mm
Net weight	About 0.5 T

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GD-0719A Automatic Wheel-Track Tester

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