LDI
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| Brand | LDI |
|---|---|
| Origin | Imported (Non-Chinese) |
| Manufacturer Status | Authorized Distributor |
| Instrument Type | Steady-State & Time-Resolved Fluorescence Spectrometer |
| Excitation/Emission Dispersion | Grating + Filter-Based Monochromators |
| Light Source | 10 W Xenon Arc Lamp (≈100,000 SFS acquisitions lifetime) |
| Excitation Range | 220–660 nm |
| Emission Range | 200–750 nm |
| Detector | Photomultiplier Tube (PMT) with Reference & Signal Photodiodes |
| Sample Compartment | Standard 12.5 × 12.5 × 45 mm Quartz Cuvette |
| Data Interface | USB |
| Power Supply | 12 VDC (AC Adapter: 100–240 V, 50–60 Hz) |
| Power Consumption | 20 W |
| Dimensions | 15 × 24 × 40 cm |
| Weight | 11 kg |
| Operating Temperature | 10–40 °C |
| Measurement Cycle | 2 min per scan |
| Detection Limits | Crude Oil (Heavy/Medium: 0.5 mg/L |
| Light | 0.3 mg/L), Kerosene (0.1 mg/L), Diesel/Gasoline/Lubricants (0.2–0.5 mg/L), Phenol (0.01 mg/L), Naphthalene (5 µg/L), Anthracene/Benzo[a]pyrene (1 µg/L), Chlorophyll-a (1 µg/L) |
| Compliance | Designed for ASTM D5869, ISO 10603, USP <1058>, and GLP/GMP-aligned data integrity workflows (audit trail, electronic signatures, 21 CFR Part 11–compatible software architecture) |
| Brand | LDI |
|---|---|
| Origin | Imported |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Online |
| Measurement Principle | UV-Induced Fluorescence Detection |
| Detection Range | Up to 10 m above water surface |
| Detection Limit | 1 µm oil film thickness |
| Accuracy | < ±2% of reading |
| Resolution | 0.1 ppm (equivalent oil concentration) |
| Measurement Frequency | 1 measurement per 10 seconds |
| Enclosure Rating | IP68 |
| Operating Temperature | −30 °C to +60 °C |
| Power Supply | 12–24 VDC (10–30 V range), optional AC/DC adapter or solar-battery configuration |
| Power Consumption | < 2 W |
| UV Source | Pulsed 365 nm LED, 5-year rated lifetime |
| Output Interfaces | Relay contacts, RS-485, 4–20 mA (standard) |
| Compliance | CE (EN 61000-6-2, -6-3, 61326-1, 61000-4-2/4-5/4-6/4-8, 61010-1), US EPA EPA/530/UST-90/009, IP68 (EN 60529), ATEX/IECEx Zone 1 for explosion-proof variants |