The LWL-7 is based on a particle counter and pump collection.

- Light source: semiconductor laser

- Flow rate range: 10-500mL/min

- Sample viscosity: ≤ 350cSt

- On-line pressure: 0.1 -5 Mpa (optional pressure reducer up to 40 Mpa)

- Particle size range: 1-500 μ m (choose different types of sensors)

- Interfaces: USB interface, RS232 interface, RS485 interface.

- Data storage: 1000 sets of data storage space, and support the storage of USB memory stick.

- Sensitivity: 1 μ m or 4 μ m (c)

- Sensitivity: 1 μ m or 4 μ m (c) Limit of coincidence error: 40000 grains /ml

- Counting volume: 1-999ml

- Counting accuracy: ± 0.5 contamination levels

- Protection class: IP56

- Temperature acquisition T (optional): 1. Acquisition range: 1-100 degree Celsius; 2. Measurement accuracy: 1 degree Celsius; 3. Response time: 30s.

- Water activity acquisition aw (optional): 1. Acquisition range: 1-100% RH 2. Measurement accuracy: 1% RH 3. Response time: 30s

- Absolute water content AH (optional): 1. collection range: 1-350 ppm 2. measurement accuracy: 1ppm 3. response time: 30s

- Measurement interval: 1 second-24 hours

- Temperature of test sample: 0-80°C

- Working Temperature: -20-60°C

- Power supply: AC 220V±10%, 50/60Hz or DC12-40V