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| Brand | Spectra Invent |
|---|---|
| Origin | Zhejiang, China |
| Model | HXGW-1640 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Detection Principle | Optical (LED-based narrow-band interference photometry) + Electrochemical (pH, conductivity, dissolved oxygen) |
| Optical Channels | 4 / 8 / 12 / 16 (customizable from 1 to 16) |
| Wavelength Options | 340 nm, 420 nm |
| Data Storage | Timestamped & parameter-tagged records with power-loss protection |
| Calibration | Factory pre-loaded curves + user-definable calibration curves (stored onboard) |
| Connectivity | USB interface for PC data export |
| Power Supply | Rechargeable lithium-ion battery |
| Optional Accessories | Integrated portable digestion unit |
| Brand | Spectra Invent |
|---|---|
| Model | HXEMP-4B |
| Origin | Zhejiang, China |
| Instrument Type | Benchtop Laboratory Water Quality Analyzer |
| Primary Measurement Principle | Colorimetric Spectrophotometry (Visible Range, 420–650 nm) |
| Key Parameters | COD (Cr method, low/high range), Ammonia-N (dual-range), CODMn, Free/Total Chlorine, Chlorine Dioxide, Sulfate, Nitrate-N, Phosphate, Nitrite-N, Sulfide, Fluoride, Cyanide, Bromide, Formaldehyde, Volatile Phenols, Hydrazine, Aniline Derivatives — all via pre-calibrated, EPA- and ISO-compliant colorimetric methods |
| Accuracy | ±5% of reading or ±0.05–0.2 mg/L (depending on parameter and range) |
| Compliance | Designed to support ASTM D1253, ISO 8467, ISO 7890, ISO 6777, USP <643>, and Chinese HJ Standards (e.g., HJ/T 399–2007, HJ 535–2009, HJ 536–2009) |
| Brand | SpectraInvent |
|---|---|
| Model | HXPMP-4C / HXPMP-8C |
| Type | Handheld, Field-Deployable Water Quality Analyzer |
| Origin | Zhejiang, China |
| Measurement Principle | Colorimetric + Electrochemical + Optical (Turbidity/Color) |
| Parameters | 43–72 analytes including ClO₂⁻, cyanuric acid, urea, Cu²⁺ (LR/HR), Zn²⁺, Ni²⁺ (trace & total), Fe²⁺/Fe³⁺, Cr⁶⁺, Cd²⁺, Mn²⁺ (trace & total), Al³⁺ (LR/HR), Ag⁺, Mo⁶⁺, As³⁺/As⁵⁺ (LR/HR), Be²⁺, B³⁺, Hg²⁺, Pb²⁺, Sb³⁺, color (PCU), turbidity (NTU), TSS, pH (colorimetric & electrode), DO (colorimetric & electrochemical), EC, TDS |
| Accuracy | ±3–5% F.S. (colorimetric) |
| Compliance | Designed for field use in accordance with ASTM D1293 (pH), ASTM D3370 (DO), ISO 7027 (turbidity), EPA Method 365.3 (phosphate), and compatible with GLP data logging workflows |
| Brand | SPECTRA INVENT |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | TETHYS-UV500 |
| Instrument Type | Online Water Quality Analyzer |
| Measurable Parameters | Oil-in-Water (via UV-induced fluorescence), Ammonia-Nitrogen (as NH₃), Hydrogen Sulfide (as H₂S), COD/BOD/TOC (indirect correlation), Nitrate, Phosphate, Color, Turbidity |
| Brand | Spectra Invent |
|---|---|
| Model | HX-3612 |
| Detection Principle | Potassium Dichromate Reflux Titration (Compliant with HJ 828–2017) |
| Application | Surface Water, Domestic Wastewater, Industrial Effluent |
| Instrument Type | Benchtop Laboratory COD Analyzer |
| Sample Throughput | Batch-mode automated analysis |
| Reagent Handling | Nine independent peristaltic pumps with feedback-controlled volumetric dispensing |
| Endpoint Detection | Optical colorimetric titration (simulated human visual discrimination) |
| Data Output | Local database storage + LIMS integration |
| Safety Compliance | Mercury-free handling protocol support, enclosed digestion/delivery path, fume-resistant reagent manifold |
| Origin | Zhejiang, China |
| Regulatory Alignment | Designed for GLP/GMP-aligned laboratories |
| Brand | Spectra Invent |
|---|---|
| Origin | Zhejiang, China |
| Model | HXHMP-1600 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Optical Channels | 4 / 8 / 12 / 16 (customizable from 1–16) |
| Wavelength Options | 340, 420, 470, 520, 540, 560, 610, 660, 680, 700 nm |
| Wavelength Accuracy | ±1 nm |
| Photometric Linearity | ±0.002 A (0–1 A) |
| Absorbance Range | –2.000 to +2.000 A |
| Photometric Accuracy | ±0.005 A per 1 A |
| Light Source | Imported High-Performance LED |
| Detector | Silicon Photodiode Sensor |
| Display | 5-inch Color Touchscreen (Bilingual: English/Chinese) |
| Power Supply | AC 220 V (165–240 V), 30 W |
| Dimensions | 400 × 310 × 158 mm |
| Weight | 5 kg |
| Operating Environment | 5–40 °C, ≤85% RH |
| Storage Environment | –40–60 °C, ≤85% RH |
| Calibration | Built-in Auto-Calibration Function |
| Curve Storage Capacity | 3,500 curves |
| Data Log Capacity | 100,000 records |
| Light Intensity Adjustment | 16-level programmable |
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