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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | SJB-802 |
| Price Range | USD 14,000–28,000 |
| Instrument Type | Portable |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Detectable Metals | Dual- and Multi-parameter (Pb, Cd, Cu, As, Hg, Zn, Se, Mn, Ni, Cr) |
| Accuracy/Precision | ≤ ±5% or ±3.0 µg/L (for Hg) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | SJG-781 |
| Instrument Type | Online Analytical System |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Target Metals | Pb, Cd, Cu (dual- or multi-parameter configuration) |
| Accuracy | ±10% or ±5 µg/L (at concentrations ≤50 µg/L) |
| Resolution | 0.01 µg/L |
| Detection Limit | 1 µg/L |
| Measurement Range | 0–100 µg/L and 100–1000 µg/L per metal (extendable to 10 mg/L) |
| Repeatability | ≤5% RSD |
| Zero Drift | ±5 µg/L/24 h |
| Span Drift | ±5%/24 h |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions | 400 × 550 × 168 mm |
| Weight | 50 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | SJG-782 |
| Instrument Type | Online Analyzer |
| Detection Principle | Spectrophotometry (DPC Method) |
| Target Analyte | Hexavalent Chromium (Cr(VI)) |
| Accuracy | ±10% |
| Resolution | 0.001 mg/L |
| Measurement Range | 0.00–5.00 mg/L |
| Repeatability | ≤5% |
| Stability | ≤10% / 4 h |
| Zero Drift | ±5% FS / 24 h |
| Span Drift | ±5% FS |
| LOD | 0.01 mg/L |
| MTBF | ≥720 h |
| Power Supply | AC (220 ± 22) V, (50 ± 1) Hz |
| Dimensions (W×D×H) | 400 × 550 × 1680 mm |
| Weight | 50 kg |
| Display | 7-inch color TFT touchscreen (Chinese UI) |
| Calibration Modes | Manual / Cyclic / Timed / Continuous |
| Measurement Modes | Manual / Cyclic / Timed / Continuous |
| Communication Interface | RS-232 or RS-485 (user-selectable) |
| Data Storage | Internal non-volatile memory with timestamped logging |
| Alarm Output | Configurable high/low concentration thresholds |
| Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Detectable Metals | Pb, Cd, Cu, As, Hg, Zn, Se, Mn, Ni, Cr (10 ions) |
| Measurement Time | ≤3 min per ion |
| Accuracy | ±5% or ±5.0 µg/L (for Pb, Cd, Cu, As, Zn, Se, Mn, Ni ≤100 µg/L) |
| Resolution | 0.1 µg/L |
| Detection Limits | Pb, Cd, Cu, As ≤0.5 µg/L |
| Repeatability | RSD ≤3% |
| IP Rating | IP65 |
| Power Options | 4×AA Ni-MH rechargeable batteries, USB power supply, external mobile power bank, or automotive USB adapter |
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