company news about How to Judge Dynamometer Accuracy: 8 Core Methods to Get Reliable Data in 30 Seconds

How to Judge Dynamometer Accuracy: 8 Core Methods to Get Reliable Data in 30 Seconds

Dynamometer accuracy directly determines R&D direction, compliance risks, and market competitiveness — distorted data is equivalent to detours in development! Here are 8 practical methods, categorized into "Basic Verification - Practical Testing - Long-Term Performance - Authoritative Certification":

Basic Verification (Source Control)

• Calibration & Traceability: Check for CNAS/ISO-certified calibration certificates, which must specify error values, validity periods, and traceability to national measurement standards;
• Parameter Comparison: Focus on measurement error (≤±0.1% FS is preferred) and repeatability (CV≤0.2%), avoiding false claims.

Practical Testing (Data Validation)

• Repeatability Test: Conduct 10-15 consecutive measurements under the same conditions—fluctuation ≤0.3% is qualified;
• Standard Comparison: Perform simultaneous tests with high-precision standard instruments—difference ≤1.5 times the basic error;
• Multi-Load Testing: Ensure stability across no-load, rated load, and 110% overload conditions.

Long-Term Performance (Durability Test)

• Stability: Monthly drift ≤0.2%, suitable for long-term production line use;
• Environmental Adaptability: No significant accuracy fluctuation under -10℃~45℃ and ≤85% RH conditions.

Authoritative Certification

• Third-Party Evaluation: Entrust institutions like SGS for testing—reports serve as valid compliance evidence.

Summary

For procurement: Prioritize calibration and parameters; For usage: Conduct repeatability and multi-load tests; For long-term use: Rely on environmental adaptability and regular reviews. Comprehensive verification ensures reliability!

Pub Time : 2026-01-22 16:42:25 >> News list