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| Brand | -- |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | Domestic (PRC) |
| Model | LQ-5Z |
| Pricing | Upon Request |
| Brand | -- |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | RC-V2 |
| Pricing | Upon Request |
| Brand | -- |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | LQ-5Z-Multi |
| Pricing | Available Upon Request |
| Measurement Principle | Electrode-Based (Grab Sampling) |
| Measurement Range | TMAH: 0.00–5.0% / 0.0–50.0 g/L |
| NaOH | 0.00–3.00% / 0.0–30.0 g/L |
| Na₂CO₃ | 0.0–10.0% / 0–100 g/L |
| NH₃ | 0.0–2.00% / 0.0–20.0 g/L |
| H₂SO₄ | 0.0–2.00% / 0.0–20.0 g/L |
| HNO₃ | 0.0–2.00% / 0.0–20.0 g/L |
| Sample Temperature | 0.0–40.0 °C |
| Accuracy | ±5% FS |
| Calibration | Zero and Span Calibration |
| Temperature Compensation | Automatic |
| Enclosure Rating | IP66 |
| Power Supply | 3×AAA batteries with auto power-off |
| Electrode Type | 4C-type, 1 m standard cable |
| Dimensions (Instrument) | 75(W)×180(D)×38(H) mm |
| Electrode Dimensions | φ17×180(L) mm |
| Weight (Instrument) | ~300 g |
| Weight (Electrode) | ~50 g |
| Standard Kit | Analyzer with batteries, 4C electrode, user manual, certificate of conformity |
| Brand | -- |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | CU-5Z |
| Price | Upon Request |
| Measurement Principle | Absorption Photometry |
| Measurement Ranges | 0.000–1.200 mol/L (Cu²⁺ molar concentration) |
| Accuracy | ±2% FS (under specified calibration and environmental conditions) |
| Resolution | 0.001 mol/L |
| Calibration | Two-point calibration using certified Cu²⁺ standard solutions |
| Temperature Compensation | Automatic (NTC sensor integrated in CUD-61 electrode) |
| Display | 3½-digit LCD |
| Operating Environment | −5°C to +45°C, ≤85% RH (non-condensing) |
| Power Supply | DC 4.5 V (3 × AA alkaline batteries), auto-power-off after 30 min idle |
| Dimensions (main unit) | 75(W) × 180(D) × 38(H) mm |
| Weight | ~300 g (main unit), ~550 g (CUD-61 electrode with 2 m cable) |
| Standard Configuration | Main unit, CUD-61 copper-selective electrode (2 m coaxial cable), instruction manual, certificate of conformity |
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