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| Brand | DERUI TESTING |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | DR-ZB206A |
| Power Supply | AC 220 V ±5%, 50 Hz |
| Accuracy | ±0.1 s |
| Measurement Range | 0–9999 s (three ranges: 1–15 s, 15–300 s, 300–9999 s) |
| Test Area | 10.00 ±0.05 cm² |
| Timing Accuracy | ≤±1 s over 1000 s |
| Vacuum Chamber Volume | Large chamber: 380 ±1 mL |
| Small chamber | 38 ±1 mL |
| Vacuum Setpoint Range | Range I & II: 50.66–48.00 kPa |
| Range III | 50.66–29.33 kPa |
| Air Ingress Volume | 10.00 ±0.20 mL (large chamber), 1.00 ±0.05 mL (small chamber) for pressure drop from 50.66 kPa to 48.00 kPa |
| Applied Pressure | 100 kPa ±2 kPa |
| Display | 7-inch color TFT touch screen with bilingual (Chinese/English) menu interface |
| Operating Environment | 5–35 °C, RH ≤85% |
| Dimensions | 318 × 362 × 518 mm |
| Weight | 47 kg |
| Compliance | GB/T 456, ISO 8791-2, TAPPI T479, ASTM D5263 |
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