Manual Silt Density Index Tester LSDI-A20 operates with a 0.45 µm, 47 mm membrane filter and 0.24–0.5 MPa feed pressure range for accurate SDI measurement. Constructed with a durable 304 stainless steel filtration assembly that withstands continuous testing conditions. Integrated pressure gauge and regulating valve provide stable control during filtration procedures. Compact manual testing structure allows convenient membrane replacement and straightforward operation. Engineered to deliver reliable SDI monitoring performance through precise filtration control.
| Sample volume | 500 ml |
| Temperature | 0 to 35 ℃ |
| Feed water pressure | 0.24 to 0.5 Mpa (35 to 70 psi) |
| Filter material | 304 stainless steel |
| Filter membrane | 0.45 µm pore size, φ47 mm, mixed cellulose ester (MCE) |
| Pressure gauge | Accuracy Class 2.5 |
| Inlet connection | ½” G male thread |
| Application | Common water |
| Dimension (L×B×H) | 110×90×250 mm |
| Net weight | 1.25 kg |
| Gross weight | 2.5 kg |
Pressure reducing valve
Safety locking clamp
Membrane holder design
Portable test structure
Multi-configuration setup
Manual Silt Density Index Tester LSDI-A20 is used to evaluate the silt density index of feed water in reverse osmosis and nanofiltration systems, supporting water pretreatment monitoring, membrane fouling analysis, commissioning verification of filtration systems, and laboratory water quality testing.
1 x SDI meter
1 x Set of tubing and fittings
1 x Box, 47mm, 0.45µm MCE Membrane Filters (100 pieces)
1 x tweezers
Labtron Equipment Ltd., Quatro House, Lyon Way, Camberley, Surrey GU16 7ER United Kingdom
Email: info@labtron.com Whatsapp: +44 73 4441 2688 Phone: +44 2080 043608