Spring Pressure and Tension Tester
1000N Digital Automatic Spring Tension & Compression Testing Machine

1000N Digital Automatic Spring Tension & Compression Testing Machine

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  • 1000N Digital Automatic Spring Tension & Compression Testing Machine
  • 1000N Digital Automatic Spring Tension & Compression Testing Machine
  • 1000N Digital Automatic Spring Tension & Compression Testing Machine
  • 1000N Digital Automatic Spring Tension & Compression Testing Machine

1000N Digital Automatic Spring Tension & Compression Testing Machine


Software functions

The self-developed program software provides four test methods. It can automatically combine the pressure plate to zero and set the deviation range in

advance to judge automatically whether the spring is qualified or not. With mechanical, program overload protection. Test data can be queried, saved and printed.

 Main Functions:

1. The professionals with the calibration certificate will strict calibrating and testing each machine to ensure that the factory machines are 100% qualified and can issue a verification report.

2. Repeated batch testing can be set for a single type of spring and the entire test process can be completed with a single button operation.

3. Real-time display of two kinds of curve of spring force value and height, force value and deformation, easy to clearly analyze the linear change of the spring.

4. With four test methods, and can achieve high-speed auto-combined plate, improve the efficiency and accuracy of the test.

5. Triple protection: sensor overload protection, photoelectric limit protection, mechanical limit protection.

Technical specifications:

Model number ZCTL-MD1000N
Working type Ball screw drive, stepper motor loading
Display type Large LCD, English display
Data processing Auto-acquisition and processing, can save, query and print
Stroke 1-100%
Resolution of test force 0.1N
Relative error of test force zero point ±0.1%
Relative error of test force indicating value ±1.0%
Relative error of indicating value repeatability of test force 1.0%
Resolution of displacement 0.01mm
Error of displacement indicating value ≤±(50+0.15l)μm
Test space 300mm
Diameter of pressure plate 160mm
Parallelism error of up and down pressure plate ≤0.05mm
Speed range 1-500mm/min

Size of testing machine 550*300*1000mm
Net weight of testing machine 120kg
Power supply AC 380V±10% 50Hz
  1. 50dB(A)
Protective function Program, machinery double protection
Grade of testing machine Grade 1
 Working Environment Requirements of Testing Machine

At the room temperature range of 10℃-35℃; The relative humidity should be not more than 80%.

No vibration around, no corrosive medium and without strong electromagnetic interference environment.

The fluctuation range of power supply voltage should not exceed the10% of the rated voltage.

Should be installed correctly on the stable base.

How often does the spring testing need to be calibrated and how to calibrate?

Standard dynamometer calibration 


1. Tool: A set of standard dynamometers, select the sensor range of the dynamometer according to the range of the sensor to be calibrated,

and try to make the two sensors close to each other to improve the calibration accuracy.

2. Step: You must follow this step to calibrate. If the order of the steps is reversed, the calibration will fail.

(1) After power on, the system automatically enters the main menu, press “1” to enter the “test interface”, adjust the distance between the upper

and lower pressure plates, and put the dynamometer sensor between the two pressure plates. Adjust the platen with the electronic handwheel so

that the upper platen is close to the dynamometer sensor, but do not touch. Change the speed to 5mm/min, the speed should not be too large,

and the larger speed may cause the sensor to be overloaded.
(2) Press “4” to enter “factory setting” and the password is “007”. Use the navigation keys to point the arrow to “2. Calibration force value” and press

the “Modify” button. When the white input box appears on the line, the motor is controlled by the electronic handwheel to apply pressure to the

dynamometer sensor, which is generally pressed to the sensor range to be calibrated. About half of it, stop lifting. Enter the force value displayed by

the dynamometer (for example: 10N for the machine, 5N for the intermediate value, 5N for the dynamometer after pressure is applied, 5000 if the “3. Decimal

Places” is set to 3), press “OK” key". After this step is completed, the calibration factor is automatically calculated and displayed in “3. Calibration Factor”.
(3) Press “Set” to return to the main menu, press “1” to enter “1. Test interface”. Press the upper pressure plate to release the pressure. Press the “clear

force” button to lower the pressure plate and observe whether the displayed force value is consistent with the force value displayed by the force gauge.

If it is inconsistent, the accurate calibration coefficient can be obtained according to the formula. The calculation formula of the calibration coefficient is:

calibration coefficient=current calibration coefficient*dynamometer display force value÷measuring force value. Then enter the "factory settings" and change

the "3. Calibration factor" to the calculated value. Repeat this step until the displayed force value matches the force displayed by the dynamometer.
(4) The indication error, repeatability, and linearity of the different pressure detecting sensors are applied.

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  • TDS Fluid lndustries LLC. in TX,USA
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