Shengaohua SH-1000A Multi-Parameter Water Quality Analyzer
| Brand | Shengaohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Type | Laboratory Water Quality Analyzer |
| Model | SH-1000A |
| Detection Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Color, Turbidity, pH, Dissolved Oxygen, Optional Heavy Metals (e.g., Pb, Ni, Cu, Cr(VI), Fe, Zn, Ag) |
| Wavelength Range | 400–700 nm |
| COD Range | 5–50 mg/L and 30–6000 mg/L (dual-range) |
| NH₃-N Range | 0.01–100 mg/L |
| TP Range | 0.001–8 mg/L |
| TN Range | 0.01–40 mg/L |
| pH Range | 0–14 |
| DO Range | 0–20 mg/L |
| Heavy Metal Ranges | 0–1 to 0–5 mg/L (varies by element) |
| Measurement Accuracy | ≤ ±5% |
| Repeatability | ≤ ±5% |
| Chloride Interference Tolerance | Cl⁻ < 1200 mg/L (standard) |
| Digestion Temp | 123 °C or 165 °C ±0.5 °C |
| Digestion Time | 10 or 30 min |
| Temperature Control Range | Ambient to 200 °C |
| Sample Throughput | 6–56 samples/batch |
| Data Storage | 5 million records |
| Calibration Curves | 100 total (15 standard + 85 extended) |
| Display | 5-inch capacitive touchscreen (Chinese UI) |
| Connectivity | USB interface for PC data export and chart generation |
| Optical System | Post-mounted optical path with narrow-band interference filters and cold light source (100,000 h lifetime) |
| Dimensions | 360 × 280 × 110 mm |
| Weight | 3 kg |
| Power Supply | AC 220 V ±10%, 50 Hz |
Overview
The Shengaohua SH-1000A Multi-Parameter Water Quality Analyzer is a benchtop laboratory instrument engineered for precise, simultaneous quantification of up to seven core water quality parameters—chemical oxygen demand (COD), ammonia nitrogen (NH₃-N), total phosphorus (TP), turbidity, color, pH, and dissolved oxygen (DO)—with optional expansion to two heavy metal species per analysis cycle. It operates on the principle of spectrophotometric measurement using narrow-band interference filters (400–700 nm) and a stabilized cold-light source, ensuring long-term photometric stability and minimal drift. The analyzer integrates thermal digestion, optical detection, and intelligent data processing in a single compact unit. Its dual-range COD measurement capability (5–50 mg/L and 30–6000 mg/L) accommodates both low-concentration surface waters and high-strength industrial effluents. All digestion protocols comply with standard methods including ISO 6060 (COD), ISO 7150-1 (NH₃-N), and ISO 6878 (TP), supporting method validation under GLP and ISO/IEC 17025 frameworks.
Key Features
- Modular parameter selection: Users configure measurement sets from a validated library—including COD, NH₃-N, TP, TN, turbidity, color, pH, DO—and select any two heavy metals (e.g., Pb, Ni, Cu, Cr(VI), Zn, Fe, Ag) for concurrent analysis.
- Dual-mode sample handling: Supports both cuvette-based (10 mm pathlength) and test-tube-based (16 mm diameter) colorimetric formats, enhancing flexibility across sample matrices and regulatory requirements.
- Intelligent thermal digestion system: Features auto-adjusting heating power, PID-controlled temperature regulation (±0.5 °C accuracy), programmable digestion times (10 or 30 min), and overheat/over-time protection. Digestion temperatures are set at 123 °C or 165 °C per standard method compliance.
- Robust optical architecture: Post-mounted optical path design minimizes ambient light interference; cold LED source provides uniform illumination with >100,000-hour operational life and negligible spectral shift.
- Onboard data management: Stores up to 5 million measurement records with timestamp, operator ID, and method metadata. Includes 100 preloaded calibration curves (15 standard + 85 extended) adaptable to diverse wastewater compositions and regional matrix effects.
- Integrated reporting: Built-in thermal printer supports immediate hardcopy output of current results, historical queries, and calibration logs. USB interface enables secure data transfer to LIMS or QA/QC software with CSV/Excel export capability.
Sample Compatibility & Compliance
The SH-1000A is validated for use with raw water, drinking water, treated wastewater, industrial process streams, and aquaculture effluents. Its chloride tolerance (Cl⁻ < 1200 mg/L baseline; up to 4000 mg/L with correction algorithms) extends applicability to saline-influenced samples without pretreatment. All analytical procedures align with internationally referenced methodologies: ASTM D1252 (COD), EPA 351.2 (NH₃-N), APHA 4500-P E (TP), ISO 7027 (turbidity), and ISO 10523 (pH). Instrument firmware supports audit-trail logging per FDA 21 CFR Part 11 requirements when connected to compliant PC-based data acquisition systems. CE marking and RoHS compliance are documented for export-ready deployment.
Software & Data Management
The analyzer runs embedded firmware with a Chinese-language touchscreen interface (5-inch capacitive display), enabling intuitive menu navigation, real-time graphing, and method-specific workflow guidance. Calibration curve generation is performed via standard addition or multi-point regression using certified reference materials traceable to NIST or CNAS-accredited standards. Data export via USB includes full metadata (date/time, method ID, curve ID, operator code), facilitating traceability in ISO/IEC 17025-accredited laboratories. Optional PC software provides automated report generation, trend analysis, QC charting (X-bar/R), and integration with enterprise LIMS platforms through standardized API protocols.
Applications
The SH-1000A serves environmental monitoring labs, municipal water treatment plants, third-party testing facilities, and industrial QA/QC departments across sectors including pharmaceutical manufacturing (effluent release compliance), semiconductor fabrication (ultrapure water screening), electroplating (heavy metal discharge verification), food & beverage processing (COD/BOD surrogate monitoring), pulp & paper mills (color/turbidity control), and aquaculture operations (DO/pH stability tracking). Its modular configuration supports method-switching within a single run—e.g., measuring COD and NH₃-N in influent while concurrently analyzing Cr(VI) and Ni in plating rinse water—reducing turnaround time and cross-contamination risk.
FAQ
Does the SH-1000A support English-language firmware?
No—the current firmware version uses a fixed Chinese-language UI. English-language operation requires external PC-based software via USB connection.
Can calibration curves be imported from external sources?
Yes—users may upload custom calibration files (.csv) via USB, provided they conform to the instrument’s defined format and wavelength mapping.
Is the digestion block compatible with non-standard tube sizes?
The heater block is optimized for 16-mm-diameter digestion tubes; adaptation to other dimensions requires mechanical modification and voids warranty.
What maintenance is required for long-term photometric stability?
Annual verification of wavelength accuracy (using holmium oxide or didymium filters) and photometric linearity (neutral density filters) is recommended per ISO/IEC 17025 Clause 6.4.2.
How is data integrity ensured during power interruption?
All measurements in progress are buffered in non-volatile memory; incomplete digestions are flagged and require manual restart, preserving audit trail continuity.
