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| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | PTB2013 |
| Price | Upon Request |
| Display | Large LCD with Full Chinese Menu |
| Printer Interface | RS232 |
| Sampling Modes | Time-Proportional & Flow-Proportional |
| Sampling Interval | 3 min – 6 days |
| Sample Volume per Event | 50–1000 mL (1 mL increment) |
| Maximum Composite Samples | 200 |
| Storage Capacity | 256 sets of flow data (date/time, instantaneous & cumulative flow) |
| Pump Type | Peristaltic |
| Tubing ID | 10 mm |
| Suction Lift | 7.2 m |
| Flow Rate | 2.4 L/min @ 3 m suction head |
| Sampling Depth | 2–18 m |
| Sampling Accuracy | ±8 mL (inter-sample repeatability) |
| Sample Container | Single 5 L or 10 L PE drum or glass bottle |
| Enclosure Rating | IP65 |
| Housing Material | Acid- and alkali-resistant polymer |
| Operating Temperature | −5 °C to +50 °C |
| Power Supply | AC 220 V or optional battery |
| Power Consumption | 45 W |
| Auto-Rinse Cycles | 0–2 per sampling event |
| Programmable Protocols | 10 user-storable methods |
| Flow Input Compatibility | Pulse (5–15 V positive), 4–20 mA analog, ultrasonic/pressure level sensors |
| Weir/Flume Support | Parshall, Palmer-Bowlus, Palmer-type, triangular, rectangular, trapezoidal weirs |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | PTB-2012 |
| Price Range | USD 1,400 – 2,800 |
| Instrument Type | Automatic Water Sampler |
| Sampling Mode | Time-Programmed and Volume-Quantified Sampling |
| Form Factor | Portable Water Sampler |
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