Description
A constant load is applied at the center of specimens with defined shape and dimensions, while the sample is heated at a rate of 2 °C/min. The heat deflection temperature (HDT) is recorded when a deformation of 0.254 mm is reached.
The QC-657B features a user-friendly touch-screen interface with guided operation, allowing for rapid setup. Built-in calculation functions enable quick conversion of specimen dimensions to the required test load, standardizing the HDT testing procedure and minimizing measurement errors.
Specimen holders and weight racks are manually adjustable. The system supports three independent test stations, each with dedicated monitoring of temperature and deflection. Upon test completion, the system automatically records the temperature, stops heating, and initiates water cooling.
Conform to Standards
- ASTM D648
- ASTM D1525
- ISO 75-1
- ISO 306
- JIS K7191-1
- JIS K7206
Industry
Plastic
Catalog Download
QC-657B H.D.T. Heat Deflection Tester
Testing Video
Specifications
Model
QC-657B
Operating Temperature
Room temperature - 300℃
Temperature Control
2℃ increase per minute (adjustable)
Weights (Loads)
Loads provided per test station as follows:
0.1N×1, 0.2N×2, 0.5N×1, 1N×1, 2N×2, 5N×1, 10N×1
Deflection Measurement Range
0.001 - 3.000 mm
Support Span
100 mm, 64mm (101.6mm for options)
Support Form
R=3.0 mm (able to add the Vicat heat deflection test head)
Specimen Dimensions
ASTM L=5”(127 mm), d=1/2 ”(12.7 mm), b=1/4”( 6.35 mm)
ISO edge wise L=120mm, d=10mm, b=4mm
ISO flat wise L=80mm, d=10mm, b=4mm
※Specimen dimensions must be maintained within ±0.1 mm tolerance.
Number of Test Stations
Test stations：1,2,3 stations
Temperature Equalization Method
Circulating flow
Cooling Method
Water cooling
Power
Single phase, 220 VAC, 15A
Dimensions (WxDxH)
95 x 46 x 60 cm
Machine Weight
58 kg
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