| Usage: | Deformation Testing Machine |
|---|---|
| Power: | Hydraulic |
| Model Number: | RELAK500 |
| Brand Name: | UNIVER |
| Place of Origin: | China (Mainland) |
| RELAK500: | 200-500kN |
Quick Details
Specifications
RELAK500 Series Tensile Stress Relaxation Testing Machine is used to determine stress-relaxation of metal, such as Pre-stressed concrete strand, Pre-stressed concrete bar, steel rope and so on., the specimen is deformed a given amount and decrease in stress is recorded over prolonged period of exposure at constant elevated temperature. the product accords with the relevant requirements of ISO 15630-3 Steel for the reinforcement and pre-stressing of concrete. Test methods-Pre-stressing steel, ASTM E328 Standard Test Methods for Stress Relaxation Tests for Materials and Structures, BS 5896 Specification for High tensile steel wire and strand for the pre-stressing of concrete.
Model |
|
RELAK500 | ||||
Load Capacity |
kN |
200 |
300 |
400 |
500 | |
Measuring Range |
kN |
8-200 |
12-300 |
16-400 |
20-500 | |
Load Resolution |
N |
7 |
10 |
12 |
15 | |
Load Accuracy |
% |
±1% | ||||
Creep of load cell |
% |
30 minutes<=0.02% | ||||
Position Accuracy |
% |
±0.5% | ||||
Horizontal Span |
mm |
1850 | ||||
Ball Screw Stroke |
mm |
100 | ||||
Loading Speed |
N/S |
100-5000 | ||||
Temperature Accuracy |
℃ |
Temperature sensor resolution:0.1℃ Temperature sensor accuracy:±0.3℃ | ||||
| ||||||
Specimen Dimensions |
| |||||
|
PC Strand |
mm |
Φ12.7～Φ15.24 |
Φ12.7～Φ15.24 |
Φ12.7～Φ15.24 |
Φ15.2～Φ21.8 |
|
PC wire |
mm |
Φ3～Φ9 |
Φ3～Φ9 |
Φ3～Φ9 |
Φ3～Φ9 |
|
PC Bar |
mm |
Φ7～Φ18 |
Φ7～Φ18 |
Φ7～Φ18 |
Φ7～Φ18 |
| ||||||
Machine Dimensions |
mm |
1950*540*1015 | ||||
Weight |
kg |
1400 | ||||
General Specifications Load Measurement Accuracy: ±1% of reading to 1/100 of load weighing system capacity meets or exceeds the requirements of the following standards: ISO 7500-1, EN 10002-2, ASTM E4, JIS B7721. Speed Accuracy: Set speed＜0.05% Max. Speed: ±1% Set speed ≥0.05% Max. Speed:±0.5% Position measurement accuracy: ±0.01% of reading or 0.0001 mm, whichever is greater Power supply: Standard optional voltages 220/240VAC, 50-60 Hz, Power must be free of spikes and surges exceeding 10% of the nominal voltage. Operating Temperature: 0 to +38°C (+32 to +100°F) Humidity Range: 10% to 90% non-condensing, Storage Temperature: -40 to +66°C (-40 to +150°F)
Note: 1. Extra length frames is available 2. Power supply system is completely customizable. 3. Specifications are subject to change without notice. | ||||||
