Silt Density Index Tester
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| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | GE Auto SDI |
| Price Range | USD 2,800 – 7,000 |
| SDI(15 min) Range | 0–6.7 SDI units |
| Fouling Factor Range | 1–100% |
| Power Supply | 110–120 VAC, 60 Hz or 220–230 VAC, 50 Hz |
| Inlet Connection | 1/4" OD quick-connect fitting |
| Flow Rate | 0.8 gpm (3.0 L/min) |
| Inlet Pressure | 65–100 psi (4.5–6.9 bar) |
| Dimensions (H×L×W) | 6×14×10 in (15×36×26 cm) |
| Weight | 8.0 lb (3.6 kg) |
| Display | LCD with button interface |
| Membrane Replacement | On-site, tool-free |
| Flow Calibration | Built-in flow standard |
| Data Retention | Persistent display until manual reset |
| Repeatability | ±0.2 SDI units |
| Acoustic Alert | Audible alarm with silent mode option |
| Enclosure | Rugged portable case |
| Compliance | ASTM D4189-07 |
| Brand | Starwood |
|---|---|
| Model | ZLFI00001 |
| Membrane Diameter | 47 mm |
| Membrane Pore Size | 0.45 µm |
| Test Pressure | 2.0–2.2 bar (29–32 psi) |
| SDI Calculation Interval | 0–5–15 min |
| Compliance | ASTM D4189-95 |
| Includes | Pressure Regulator, 47 mm Filter Holder, ASTM-Compliant Mixed Cellulose Ester (MCE) Membranes |
| Accessories Required | 500 mL Graduated Cylinder (±5 mL graduation), Stopwatch (±0.2 s resolution) |
| Brand | Starwood |
|---|---|
| Model | EZ-SDI-1-C |
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Price Range | USD 14,000 – 42,000 |
| Output Signal | 4–20 mA analog |
| Compliance Standard | ASTM D4189-95 |
| Display | 4×20 backlit LCD |
| Enclosure Rating | NEMA 4X |
| Filter Diameter | 25 mm |
| Test Durations | SDI₅, SDI₁₀, SDI₁₅ |
| Flow Rate | 1000 mL/min |
| Operating Pressure | 70–1500 psi |
| Power Supply | 240 VAC, 60 Hz |
| Communication Interface | RS-232 |
| Dimensions (H×W×D) | 279 × 381 × 229 mm |
| Weight | Not specified |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Model | RizonSDI |
| Operating Temperature | 0–65 °C |
| Operating Humidity | ≤90% RH |
| Sample Flow Rate | >2 L/min |
| Test Pressure Range | 0.3–0.5 MPa |
| Dimensions | 365 mm × 270 mm × 150 mm |
| Weight | 4.5 kg |
| Housing Material | Reinforced Engineering Plastic |
| Inlet Connection | 5/16″ Quick-Connect Fitting |
| Inlet Tubing OD | 5/16″ |
| Inlet Temperature Range | −5–40 °C (non-freezing) |
| Battery Capacity | 4400 mAh |
| Operating Voltage | DC 12 V |
| Continuous Operation Time | Up to 25 h |
| Charging Time | 6 h |
| Data Storage | 100 test records with timestamp (real-time clock) |
| SDI Calculation | SDI₅, SDI₁₀, SDI₁₅ per ASTM D4189-07 |
| Optional Accessories | Diaphragm Booster Pump (DC 24 V, 5 A, max. 0.7 MPa, 4 L/min), 47 mm MCE Membranes (0.45 µm) |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | FI-47 |
| Membrane Diameter | 47 mm |
| Membrane Pore Size | 0.45 µm (Mixed Cellulose Ester) |
| Operating Pressure | 207 ± 7 kPa |
| Sample Volume | 500 mL per measurement |
| Temperature Stability Requirement | ±1 °C during test duration |
| Inlet Connection | DN15 |
| Included Consumables | 25 pcs of 47 mm × 0.45 µm MCE membranes |