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SUNDOO SD-10~30B Spring Tester

SUNDOO SD-10~30B Spring Tester

The SD-10~30B Series digital spring tester is a unique tool utilized in a variety of industries for testing push and pull, spring extension and compression, and other domains where it is permitted.

  • Peak holding and auto-release function: Capturing the peak value in the test, displaying it on the display for 1 to 10 seconds, then releasing the value and getting ready for the next peak;
  • Comparing function: The gadget can judge the measured result as Go (Green pilot lamp)/NG (Red pilot lamp) based on the initial input of the tolerance limit (Max/Min);
  • Automatic power-off function: You can choose the power-off time (1–60 minutes);
  • Memory performance: Calculate the average from 10 testing data;

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Description

The SD-10~30B Series Spring Tester is a digital testing system used across various industries for measuring spring extension, compression, push, and pull forces with stable accuracy. Available in multiple models from 10 N up to 5000 N capacity, the system offers selectable test travel, platen sizes, and load resolution depending on the model configuration. Its bench-top structure and simple control interface make it suitable for laboratory verification, incoming inspection, and production quality checks.

The tester integrates practical digital functions to improve repeatability and operator efficiency. It supports peak value capture with timed auto-release, tolerance comparison with GO/NG indicators, and memory averaging of multiple test results. With RS-232C communication support and adjustable auto power-off settings, the SD-10~30B Series provides convenient data handling and reliable daily operation for spring and force testing applications.

Features

  • Displacement resolution: 0.01 mm

  • Interchangeable platen diameters: φ30 / φ49 / φ108 mm

  • Peak hold function with 1–10 s display time

  • Automatic peak value release for next test

  • GO/NG tolerance comparison with indicator lights

  • Upper and lower limit setting

  • Average calculation from 10 stored test values

  • RS-232C communication output

  • Adjustable auto power-off (1–60 minutes)

  • AC 220 V power input, low power consumption

  • Compact bench-top mechanical structure

  • Suitable for QC labs and production testing environments

  • RS-232C output: The connector for communication is provided by the output

Specifications

Parameter SD-10 SD-20 SD-30 SD-50 SD-100 SD-200 SD-300 SD-500 SD-1000 SD-2000 SD-5000
Model SD-10 SD-20 SD-30 SD-50 SD-100 SD-200 SD-300 SD-500 SD-1000 SD-2000 SD-5000
Capacity 10 N 20 N 30 N 50 N 100 N 200 N 300 N 500 N 1000 N 2000 N 5000 N
Load Resolution 0.001 N 0.002 N 0.01 N 0.01 N 0.02 N 0.05 N 0.1 N 0.1 N 0.2 N 0.5 N 1 N
Test Travel 65 mm 95 mm 150 mm
Displacement Resolution 0.01 mm
Platen Diameter φ30 mm φ49 mm φ108 mm
Max Free Length Testable 65 mm 95 mm 150 mm
Measuring Range 5% – 100% FS
Accuracy ±1% (within ±1%)
Power Supply 220 V ±10%, 20 W
Dimension (W × D × H) 300 × 235 × 600 mm 300 × 235 × 620 mm 490 × 300 × 920 mm
Weight (approx.) 13.2 kg 17.3 kg 19.1 kg 19.1 kg 20.8 kg 47.5 kg

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