The HZY-6S is a high-accuracy, fully digital industrial instrument engineered for the precise determination of acid values in transformer and turbine oils. Based on the neutralization principle, it delivers a streamlined, microcomputer-controlled workflow that reduces operator effort while maintaining laboratory-grade reliability.
• Resist High Heat, Humidity & Salt Spray for Tropical Island Use
• Runs Stably at -40℃, Cold-Proof and Anti-Condensation
• IEC Compliant, Complete Calibration Certificates Provided
• Local Support: Spares, On-Site Training & Instrument Calibration


| Parameter | Value |
|---|---|
| Linear range | 0.001–0.400 mgKOH/g |
| Correlation coefficient | 0.999–0.9998 |
| Recovery rate | 98% – 103% |
| Minimum resolution | 0.001 mgKOH/g |
| Reproducibility | 2–5% (RSD) |
| Measurement accuracy | ± 0.003 mgKOH/g (0.001–0.100); 2–5% (0.100–0.400) |
| Display mode | Large touch color LCD screen |
| Dimensions | 430 mm × 370 mm × 190 mm |
| Net weight | ~ 9 kg |