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SUNDOO Spring Tester SD-50~500B

SUNDOO Spring Tester SD-50~500B

The SD-50~500B Digital Spring Tester Series provides accurate spring push/pull, extension, and compression testing with peak value capture, GO/NG tolerance comparison, memory averaging, RS-232C output, and adjustable auto power-off. Suitable for QC labs and production testing.

  • Wide Capacity Range: Models from 50 N to 500 N, suitable for varied testing requirements.
  • High Accuracy: Within ±1% FS, with 0.01 mm displacement resolution.
  • Peak Holding & Auto-Release: Captures the peak value for 1–10 seconds before automatically resetting for the next test.
  • GO/NG Tolerance Comparison: Green/red indicator lights provide instant pass/fail judgment.

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Description

The SD-50~500B Digital Spring Tester Series is a precise and reliable solution for push/pull testing, spring extension, and compression measurements across laboratories, production lines, and quality control applications. Designed for accuracy and ease of use, this tester series captures peak force values with auto-release, provides GO/NG tolerance comparison via indicator lights, and allows memory averaging of up to 10 test results.

Equipped with RS-232C output, data can be easily exported for analysis, while the adjustable auto power-off feature (1–60 minutes) conserves energy during idle periods. With a displacement resolution of 0.01 mm and interchangeable platens (φ30 / φ49 mm), the SD-50~500B series is adaptable to different spring sizes and types. It ensures repeatable, accurate, and efficient testing, making it an ideal choice for QC labs, incoming inspection, and production environments.

Features

  • Wide Capacity Range: Models from 50 N to 500 N, suitable for varied testing requirements.

  • High Accuracy: Within ±1% FS, with 0.01 mm displacement resolution.

  • Peak Holding & Auto-Release: Captures the peak value for 1–10 seconds before automatically resetting for the next test.

  • GO/NG Tolerance Comparison: Green/red indicator lights provide instant pass/fail judgment.

  • Memory Averaging: Calculates the average from 10 stored test results for consistent analysis.

  • RS-232C Communication: Easy data transfer for logging and reporting.

  • Interchangeable Platens: φ30 / φ49 mm platen diameters for different spring sizes.

  • Adjustable Auto Power-Off: Set from 1–60 minutes for energy efficiency.

  • Compact Bench-Top Design: Dimensions approximately 300 × 235 × 620 mm, lightweight and easy to operate.

  • Low Power Consumption: AC 220 ±10%, 20 W, ideal for continuous use.

  • Maximum Testable Spring Length: Up to 95 mm, depending on the model.

Specifications

Model SD-10B SD-20B SD-30B SD-50B SD-100B SD-200B SD-300B SD-500B
Capacity 10 N 20 N 30 N 50 N 100 N 200 N 300 N 500 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
Test Travel 65 mm — 95 mm
Displacement Resolution 0.01 mm — 0.01 mm
Platen Diameter φ30 mm — φ49 mm
Max Free Testable Spring Length 65 mm — 95 mm
Measuring Range 5% ~ 100% FS
Accuracy Within ±1%
Power Supply 220 ± 10% V, 20 W
Dimensions (L × W × H) 300 × 235 × 600 mm — 300 × 235 × 620 mm
Weight Approx. 13.2 kg Approx. 17.3 kg — — Approx. 19.1 kg — Approx. 20.8 kg —

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