Sulfur Dioxide Detector
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| Brand | CSY |
|---|---|
| Origin | Guangdong, China |
| Model | CSY-10EYHL |
| Detection Principle | Visible Spectrophotometry (410 nm ± 2 nm) |
| Detection Range | Not Specified (Instrument-Specific Calibration Required) |
| Detection Limit | Not Specified (Instrument-Specific Calibration Required) |
| Accuracy Error | ±3% |
| Linearity Error | ±0.5‰ |
| Stability | ±0.001 A/hr |
| Wavelength Accuracy | <2.0 nm |
| Absorbance Range | 0.000–4.000 ABS |
| Transmittance Repeatability | ±1% |
| Data Storage Capacity | 8,000 entries |
| Sample Measurement Time | ≤3 min |
| Cuvette Size | 10 × 10 mm |
| Dimensions | 350 × 290 × 130 mm |
| Display | 7-inch color TFT LCD touchscreen |
| Optical Source | High-stability imported LED |
| Channel Configurations | 5–30 customizable photometric channels |
| Connectivity | RS-232, USB, Wi-Fi, Ethernet |
| Integrated Thermal Printer | Yes (ribbon-free, lifetime operation) |
| Software Compatibility | CSY Food Safety Monitoring Network Platform (customizable multi-tier deployment) |
| Brand | Heguan |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | HGK-81 |
| Pricing Range | USD 9,500 – 15,200 (FOB Shanghai) |
| Product Type | Intelligent Automated SO₂ Distillation Analyzer |
| Detection Limit | RSD ≤ 5% (repeatability), Parallel Difference ≤ 10% (with 5 mL standard alkali consumption) |
| Detection Range | 0–50 mg SO₂ per sample |
| Brand | Josvok |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | ZSO2-3000A |
| Detection Limit | 1 µg |
| Detection Range | 1–1000 µg |
| Instrument Type | Benchtop Dedicated Analyzer |
| Heating Method | Infrared Ceramic Heating (Flameless) |
| Display | LCD Touchscreen Interface |
| Cooling Option | External or Optional Built-in Recirculating Chiller |
| Nitrogen Flow Control | Precision Mass Flow Regulator |
| Power Control | Adjustable Independent Heating Zones with Countdown Timer and Audible Alert |
| Brand | JTONE |
|---|---|
| Origin | Beijing, China |
| Model | SO2-3000 |
| Detection Target | Sulfur Dioxide (SO₂) |
| Detection Range | Ammonia Nitrogen, Volatile Phenols |
| Detection Principle | Acid Distillation–Iodometric Titration (Standard Pharmacopoeia Method) |
| Distillation Units | 3 |
| Heating Temperature Control Range | Up to 200 °C |
| Heating Method | Sealed Infrared Ceramic Heater |
| Cooling System | External Recirculating Chiller (Optional Internal Chiller) |
| Nitrogen Flow Control | Individual Precision Mass Flow Meters per Channel |
| Power Rating | 1850 W |
| Voltage/Frequency | 220 V / 50 Hz |
| Dimensions (L×W×H) | 800 × 520 × 850 mm |
| Safety Features | Leakage Protection, Dry-Run Prevention |
| Standard Flask Configuration | 1000 mL Distillation Flasks × 3, 100 mL Conical Receivers × 3 |
| Display | LCD Touchscreen Interface |
| Compliance | Designed for Chinese Pharmacopoeia (ChP) 2020 Edition Method II (SO₂ Residue Determination), Compatible with USP <231>, EP 2.4.24, and ISO 5840:2016 (SO₂ in Herbal Materials) |
| Brand | Peiou |
|---|---|
| Origin | Shanghai, China |
| Model | SKD-380 |
| Detection Range | 0–50 mg SO₂ |
| Detection Limit | ≤100 g solid or ≤100 mL liquid (sample-dependent) |
| SO₂ Recovery Rate | >99.5% |
| Repeatability (RSD) | ≤0.5% |
| Distillation Time | Programmable, 0–99 min per sample |
| Distillation Speed | 3–8 min/sample |
| Heating Power | Adjustable, 750–1500 W |
| Sample Processing Mode | Automatic & Manual dual mode |
| Memory Capacity | 100 programmable methods (acid volume, absorbent volume, distillation time) |
| Safety Features | Real-time liquid-level monitoring (acid, absorbent, condensate), dry-run protection for digestion cup (Peiou patented), automatic alarm & state-resume function |
| Optional | N₂ purge interface (specify at order) |