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PN-ST500F is a kind of muti-function stiffness tester, suitable for measuring the bending stiffness of paper, cardboard and other non-metallic materials with a thickness of less than 2mm.Stiffness is the force or moment required to bend a specimen of a specified size to a certain angle, and it is an indicator of the strength performance of paper and cardboard bending.
In packaging, the proper higher bending stiffness makes the paperboard have a certain stiffness and strength, and the procductw will be with high stiffness, beautiful appearance and flatness; but if the stiffness is too large, it will be difficult to form and increase cost. Stiffness is related to the thickness and quantity of cardboard. All stiffness can be controlled within a certain range, which can meet customer requirements and save costs.
The test angle of the instrument can be arbitrarily set between (1 ～ 90) °, and the test time can be arbitrarily set within the specified range (3s ～ 30s). Equipped with automatic zero test function, it is the first full-automatic stiffness tester in China that uses a color touch screen as a display. It displays stiffness and time curve in real time. This instrument has the functions of parameter testing, display, memory, statistics, and printing included in the standard, and provides scientific data analysis for cardboard stiffness detection.
In packaging, the proper higher bending stiffness makes the paperboard have a certain stiffness and strength, and the procductw will be with high stiffness, beautiful appearance and flatness; but if the stiffness is too large, it will be difficult to form and increase cost. Stiffness is related to the thickness and quantity of cardboard. All stiffness can be controlled within a certain range, which can meet customer requirements and save costs.
The test angle of the instrument can be arbitrarily set between (1 ～ 90) °, and the test time can be arbitrarily set within the specified range (3s ～ 30s). Equipped with automatic zero test function, it is the first full-automatic stiffness tester in China that uses a color touch screen as a display. It displays stiffness and time curve in real time. This instrument has the functions of parameter testing, display, memory, statistics, and printing included in the standard, and provides scientific data analysis for cardboard stiffness detection.
Technical parameter
Power Supply: AC（100～240）V 2A 50/60Hz
Indication Error: ±1%
Indication Offset: ≤1%
Measure Range: (20 ～ 10000)mN Eqv (1 ～ 500) mN.m
Resolution: 0.1mN
Bend Length: (50±0.5)mm/(25±0.5)mm/(10±0.5)mm
Bend angle:（1～90）°
Display: 5〃 Color touch screen
Printer: Thermal Printer
Output: RS232(Standard) / USB(optional)
Temperature:(20±10)℃ Humidity: ＜85％
Dimension: (320 × 300 × 300)mm(L×W×H)
Net Weight: About 16kg.
Indication Error: ±1%
Indication Offset: ≤1%
Measure Range: (20 ～ 10000)mN Eqv (1 ～ 500) mN.m
Resolution: 0.1mN
Bend Length: (50±0.5)mm/(25±0.5)mm/(10±0.5)mm
Bend angle:（1～90）°
Display: 5〃 Color touch screen
Printer: Thermal Printer
Output: RS232(Standard) / USB(optional)
Temperature:(20±10)℃ Humidity: ＜85％
Dimension: (320 × 300 × 300)mm(L×W×H)
Net Weight: About 16kg.
Product features
Adopt new module circuit design with WIFI function. After networking test results can be saved to a cloud server and query and generate reports through a dedicated QMS quality management system;
7.5 ° and 15 ° stiffness test (arbitrarily set between (1 ～ 90) °);
Test time can be set in any number between (3 ～ 30) s;
The test angle change is fully controlled by the motor which improves the measurement efficiency and reduces the human influence;
Can perform 3 kinds of bending length test: 50mm 25mm 10mm;
With the function of automatic zero adjustment there is no need to manually lean against the sample before testing;
With measurement statistics printing and other functions measurement time can be set;
After the test is completed return to the starting position at high speed and the return speed can be set arbitrarily between (1 ~ 12) °/s .
7.5 ° and 15 ° stiffness test (arbitrarily set between (1 ～ 90) °);
Test time can be set in any number between (3 ～ 30) s;
The test angle change is fully controlled by the motor which improves the measurement efficiency and reduces the human influence;
Can perform 3 kinds of bending length test: 50mm 25mm 10mm;
With the function of automatic zero adjustment there is no need to manually lean against the sample before testing;
With measurement statistics printing and other functions measurement time can be set;
After the test is completed return to the starting position at high speed and the return speed can be set arbitrarily between (1 ~ 12) °/s .
National standard
GB/T 22364 、GB/T 2679·3 、ISO 2493、ISO 5628
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