QIUSUO Sulfide Ion Meter with Calibration Fluid Range 0.003 to 32000 ppm Automatic Accuracy ±1% F.S. 2 to 5 Points Calibration

QIUSUO Thermo Microplate Shaker with Capacity 2 Microtiter Plates or Deep Well Plates Speed Range 100 to 1600rpm

QIUSUO Transformer Turns Ratio Tester with Variable Ratio Range 0.9-10000 Z-Type Transformer Ratio and Group Test

QIUSUO Ultrasonic Flaw Detector with Range 1000-15000m/s Velocity 1000 to 20000m/s Frequency 20-2000Hz

QIUSUO Ultrasonic Hardness Tester with 10kgf Probe Maximum Roughness Test Surface Ra<15um Accuracy ±2 ASTM-A1038 Standard

QIUSUO Water Hardness Meter with Standard Calibration Solutions Range 0.05 to 200 mmol/L Resolution 0.001, 0.01,0.1,1