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| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | DPD |
| Pricing | Available Upon Request |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Models | PFS-80 (Benchtop), PFP-208 (Portable) |
| Measurement Range | 0–6.00 pF |
| Accuracy | ±0.02 pF |
| Temperature Compensation Range | 0–60 °C |
| pH Measurement Range | 0.00–14.00 (±0.01) |
| mV Range | ±1999 mV (±0.1%) |
| Output Signal | –1999 to +1999 mV |
| Power Supply | AC 220 V ±10%, 50/60 Hz |
| Battery | 9 V (6F22) |
| Net Weight | 1.8 kg (PFS-80), 0.5 kg (PFP-208) |
| Stability | ±0.01 pF/30 min |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | BODTrak II |
| Measurement Principle | Manometric (pressure-difference) respirometry |
| Sample Capacity | 6 simultaneous samples |
| BOD Range | 0–700 mg/L (four auto-ranging scales: 0–35, 0–70, 0–350, 0–700 mg/L) |
| Resolution | 0.1 mg/L |
| Repeatability | CV ≤ 5% |
| Data Logging | 480 points (15-min interval) |
| Display | Backlit LCD with real-time BOD curve and numeric readout |
| Connectivity | USB interface for HachLink™ software |
| Power Supply | AC 220 V / 50 Hz |
| Compliance | ASTM D5210, ISO 5815-1, US EPA 405.1 (respirometric BOD), GLP-compliant data storage with timestamped audit trail |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (China) |
| Models | PnaS-50 (Benchtop), PnaP-205 (Portable) |
| Measurement Range | 0–6.00 pNa |
| Accuracy | ±0.02 pNa |
| Temperature Compensation Range | 0–60 °C |
| pH Range | 0.00–14.00 ±0.01 |
| mV Range | ±1999 mV ±0.1% |
| Output Signal | –1999 to +1999 mV |
| Power Supply | AC 220 V ±10%, 50/60 Hz (PnaS-50) |
| Net Weight | 1.8 kg (PnaS-50), 0.5 kg (PnaP-205) |
| Stability | ±0.01 pNa/24 h |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | DR/2800 + DRB200 |
| Detection Principle | Colorimetric Measurement after Micro- reflux Digestion (Cr⁶⁺ Reduction) |
| COD Range | 0–15,000 mg/L O₂ (via pre-filled vials) |
| Digestion Temperature | 150 °C ±2 °C |
| Digestion Time | 120 min |
| Vial Format | Sealed 3-mL预制试剂管 (0.2–2 mL sample volume) |
| Compliance | ASTM D1253, ISO 6060, EPA 410.4, USP <643>, GLP-ready data logging |
| Brand | Hach |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported |
| Model Range | COD21258-15, COD21258-25, COD21259-15, COD21259-25 |
| Measurement Ranges | 0–150 mg/L and 0–1500 mg/L |
| Package Sizes | 150-test and 25-test kits |
| Instrument Compatibility | Hach DR5000, DR2800, DR850, DR890 spectrophotometers and colorimeters |
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