Heavy Metals Detector for Water Quality
Filter
Showing 31–39 of 39 results
| 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 |
| 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 | Lianhua Technology |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Laboratory Analyzer |
| Accuracy/Precision | ±10% |
| Optical Resolution | 0.001 Absorbance Unit (Abs) |
| Compliance | Designed for ASTM D3559, ISO 8466-1, and EPA Method 200.7–compatible workflows |
| Brand | Metrohm |
|---|---|
| Origin | Switzerland |
| Manufacturer | Metrohm AG |
| Instrument Type | Portable |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Detectable Metals | As, Hg, Cu, Pb, Cd, Zn, Fe, Ni, Co, Mn, Bi, Sb, Tl, Cr, Se, Te |
| Analysis Time | <5 minutes per sample |
| Current Range Accuracy | ±0.025% |
| Potential Resolution | ±0.2 mV |
| Electrode Options | scTRACE Gold electrode or disposable screen-printed electrodes (SPE) |
| Power Supply | Rechargeable Li-ion battery |
| Compliance | Designed to meet WHO drinking water guideline requirements for heavy metals |
| Software | Integrated VA software with pre-validated ASTM/ISO-aligned methods |
| Brand | — |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | Domestic (China) |
| Model | Ni-502 |
| Pricing | Available Upon Request |
| Measurement Principle | Absorption Photometry (UV-Vis, 540–560 nm) |
| Detection Range | High Range: 0.0–199.9 g/L Ni |
| Low Range | 0.00–19.99 g/L Ni |
| Resolution | 0.1 g/L (high), 0.01 g/L (low) |
| Accuracy | ±2% FS |
| Operating Temp. | 0–40 °C, ≤85% RH |
| Output | Isolated 4–20 mA DC (3-range switchable: 0–50/100/200 g/L or 0–5/10/20 g/L) |
| Relay Outputs | Two SPDT dry contacts (AC 200 V, 1 A resistive load) |
| Power Supply | AC 85–240 V, 50/60 Hz |
| Enclosure | IP65-rated panel-mount housing (96 × 96 × 163 mm, ~1.3 kg) |
| Brand | EXPEC |
|---|---|
| Origin | Zhejiang, China |
| Model | SUPEC 5100 ICP-OES |
| Detection Principle | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) |
| Instrument Type | Online Analyzer |
| Target Elements | Thallium (Tl), Antimony (Sb), and other regulated heavy metals in water |
| Compliance Basis | Aligns with laboratory-standard methods per ISO 17294-2, EPA Method 200.7, and GB/T 3049–2022 |
| Automation Level | Fully automated sample introduction, digestion (if integrated), nebulization, plasma excitation, spectral acquisition, background correction, QC calibration, data validation, and remote telemetry |
| Brand | Zhiyunda |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | ZYD-HF |
| Instrument Type | Portable |
| Detection Principle | Photometric Method (Colorimetric Absorption) |
| Detectable Metals/Analytes | Dual- and Multi-parameter (Fe, As, Mn, Cd, Cr(VI), Pb, etc.) |
| Detection Time | ≤15 min per parameter |
| Accuracy | Relative Error ≤ ±10% |
| Precision | Relative Standard Deviation (RSD) ≤ 5% |
| Resolution | 0.01 mg/L |
| Power Supply | AAA Batteries |
| Interface | USB |