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| Key | Brand: Yuelian |
|---|---|
| Origin | Guangdong, China |
| Model | YL-WD100 |
| Contact Angle Range | 0–180° |
| Measurement Accuracy | ±0.1° |
| Measurement Methods | Sessile Drop, Insertion, Captive Bubble |
| Analysis Algorithms | Automatic Circle Fitting, Ellipse Fitting, Curved Surface Fitting, Height-Width Method, Tangent Method, Dynamic Sequence Analysis |
| Surface Energy Models | Fowkes, OWRK, Zisman, EOS |
| Stage Travel (X/Y/Z) | 100/100/50 mm (sample stage), 150 mm (fixed plate), 80 mm (microscope, ±3 mm fine adjustment) |
| Sample Max Size | 100 mm (W) × 80 mm (D) |
| Microscope | 2× Fixed-Magnification Optical System |
| Imaging | High-Resolution CMOS Camera with Video Capture, Frame-by-Frame Export, Real-Time Playback |
| Lighting | Adjustable Cold LED Backlight |
| Compliance Standards | GB/T 24368–2009, SY/T 5153–2007, ASTM D724–99(2003), ASTM D5946–2004, ISO 15989 |
| Measurement Range | ±2 kV |
|---|---|
| Test Distance | 5 mm – 25 m |
| Sensing Area Diameter | 25–175 mm |
| Accuracy | ±5% of full scale |
| Resolution | 1 V |
| Operating Temp. | 15–35 °C, RH ≤85% non-condensing |
| Drift | <600 ppm/hour (time), <600 ppm/°C (temp.) |
| Response Time | <25 ms |
| Display | 3.5-digit LCD |
| Dimensions | 31 × 59 × 173 mm |
| Weight | 200 g |
| Power | 9 V battery (8 h continuous operation) |
| Analog Output | Yes |
| Hold Function | Yes |
| Sensor Thickness | Ultra-thin probe design |
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