Environmental Monitoring Instruments
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| Brand | Shenchanghong |
|---|---|
| Origin | Shenzhen, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | CHYN-231 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measured Parameter | Nitrate Nitrogen (NO₃⁻-N) in Water |
| Measurement Range | 0.02–10.00 mg/L |
| Detection Limit | 0.01 mg/L |
| Accuracy | ±5% of Full Scale |
| Operating Temperature | 5–35 °C |
| Dimensions | 266 mm × 200 mm × 130 mm |
| Weight | 1.0 kg |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Environmental Operating Conditions | Ambient temperature 5–40 °C |
| Brand | Shenchanghong |
|---|---|
| Model | CHYP-250 |
| Type | Benchtop Laboratory Analyzer |
| Measurement Range | 0.00–50.00 mg/L PO₄³⁻ (as P) |
| Resolution | 0.01 mg/L |
| Accuracy | ≤ ±5% FS |
| Repeatability | ≤ 3% RSD |
| Optical Stability | ≤ 0.002 A/20 min |
| Dimensions (H×W×D) | 130 × 266 × 200 mm |
| Power Consumption | 30 W |
| Weight | < 2 kg |
| Compliance | Designed for ASTM D515-89, ISO 6878:2004, and EPA Method 365.1 workflows |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | CHYS-240 |
| Pricing | Upon Request |
| Measurement Range | 5–200.00 mg/L SO₄²⁻ |
| Accuracy (Abs. Error) | ≤ ±5% |
| Repeatability | ≤ 3% |
| Optical Drift | < 0.002 A in 20 min |
| Dimensions (W×D×H) | 266 × 200 × 130 mm |
| Weight | < 1 kg |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤ 85% RH |
| Power Supply | AC 220 V ± 10%, 50 Hz ± 0.5 Hz |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | CHYS-241 |
| Instrument Type | Laboratory-Grade |
| Measurement Range | 0.005–1.00 mg/L |
| Accuracy | ≤ ±5% FS |
| Repeatability | ≤ 3% RSD |
| Optical Stability | Drift < 0.002 A within 20 min |
| Dimensions (H×W×D) | 130 × 266 × 200 mm |
| Weight | < 1.0 kg |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤ 85% RH |
| Power Supply | AC 220 V ± 10%, 50 Hz ± 0.5 Hz |
| Light Source | High-brightness, long-life (100,000 h) monochromatic cold LED |
| Filter System | Narrow-band optical interference filter |
| Display | Backlit LCD with Chinese interface |
| Data Storage | Onboard memory for measurement records and user-defined calibration curves |
| Housing Material | Corrosion-resistant molded ABS polymer |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | CHYS-241 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Range | 0.01–1.00 mg/L |
| Minimum Resolution | 0.01 mg/L |
| Accuracy (Maximum Permissible Error) | ≤ ±5% |
| Repeatability (RSD) | ≤ 3% |
| Optical Stability | ≤ 0.002 A/20 min |
| Dimensions (W×D×H) | 266 mm × 200 mm × 130 mm |
| Power Consumption | 30 W |
| Weight | < 1 kg |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | CHZN-180 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Detection Principle | Photometric Method (Visible Spectrophotometry) |
| Target Analyte | Zinc (Zn²⁺) in Aqueous Samples |
| Measurement Range | 0.2–5.00 mg/L |
| Accuracy | ≤ ±5% |
| Repeatability | ≤ 3% |
| Optical Stability | Absorbance Drift < 0.002 A within 20 min |
| Resolution | 0.01 mg/L |
| Dimensions (H×W×D) | 130 × 266 × 200 mm |
| Weight | < 1.0 kg |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤ 85% RH |
| Power Supply | AC 220 V ± 10%, 50 Hz ± 0.5 Hz |
| Electromagnetic & Vibration Requirements | Low-interference environment |
| Brand | Shenchanghong |
|---|---|
| Model | CN-201 |
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Colorimetric Method (Nesslerization for NH₃-N |
| COD Range | 5–2000 mg/L |
| NH₃-N Range | 0.02–25 mg/L |
| COD Accuracy | ≤ ±5% FS |
| NH₃-N Accuracy | ≤ ±3% FS |
| Repeatability | ≤ 3% |
| Chloride Interference Tolerance | ≤ 2000 mg/L Cl⁻ |
| Optical Wavelengths | 610 nm (COD), 420 nm (Low-range COD & NH₃-N) |
| Optical Drift | < 0.002 A in 20 min |
| Temperature Control Range | Ambient to 180 °C |
| COD Digestion Temp | 165 °C |
| Temperature Accuracy | ±0.5 °C |
| Digestion Time | 15 min (COD), Adjustable 1–9999 min |
| Batch Capacity | 16 samples |
| Dimensions (Analyzer) | 240 × 205 × 170 mm |
| Dimensions (Digestor DIS-16B) | 355 × 260 × 135 mm |
| Weight (Analyzer) | 3 kg |
| Weight (Digestor) | 5.5 kg |
| Power Consumption | < 500 W |
| Operating Environment | 5–40 °C, RH ≤ 85%, AC 220 V ±10%, 50 Hz |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Laboratory Analyzer |
| Model | CN-201A |
| Measurement Principle | Rapid Catalytic Digestion (COD) / Nesslerization (Ammonia-N) |
| Wavelength | 610 nm |
| COD Range | 5–2000 mg/L (extendable to 20,000 mg/L) |
| Ammonia-N Range | 0.02–25 mg/L |
| COD Accuracy | ≤ ±5% |
| Ammonia-N Accuracy | ≤ ±3% |
| Detection Limit (COD) | 0.1 mg/L |
| Detection Limit (NH₃-N) | 0.02 mg/L |
| Digestion Temperature | 165 °C (adjustable 0–200 °C) |
| Digestion Time | 15 min (programmable) |
| Batch Capacity | 16 samples (optional 20/25/36) |
| Repeatability | ≤ ±3% |
| Optical Stability | ≤ 0.002 A/20 min |
| Chloride Interference Tolerance (COD) | ≤ 2000 mg/L |
| Data Storage | 500 results with curve ID, date/time stamp |
| Interface | USB 2.0 |
| Display | LCD with Chinese/English menu |
| Dimensions (Analyzer) | 340 × 250 × 130 mm |
| Dimensions (Digestion Unit) | 260 × 355 × 135 mm (excl. shield) |
| Weight (Analyzer) | 4.0 kg |
| Weight (Digestor) | 5.5 kg |
| Brand | Shenchanghong |
|---|---|
| Origin | Shenzhen, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Rapid Digestion–Spectrophotometric Method (610 nm) |
| COD Range | 5–2000 mg/L |
| Ammonia-N Range | 0.02–25 mg/L |
| Accuracy | ≤ ±5% (COD), ≤ ±3% FS (NH₃-N) |
| Repeatability | ≤ ±3% |
| Detection Limit | 0.01 mg/L (COD), 0.02 mg/L (NH₃-N) |
| Digestion Time | 15 min (COD), Adjustable 1–9999 min |
| Total Analysis Time | ~20 min per batch |
| Batch Capacity | Up to 20 samples (with DIS-16B digester) |
| Optical Drift | < 0.002 A in 20 min |
| Chloride Interference Tolerance | ≤ 2000 mg/L (COD mode) |
| Power Consumption | <10 W (analyzer), <500 W (digester) |
| Dimensions (Analyzer) | 340 × 250 × 130 mm |
| Weight (Analyzer) | 4.0 kg |
| Digester Display | 3.5″ color TFT touchscreen (320 × 240), bilingual Chinese/English UI |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | CN-201C |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Colorimetry (COD: Rapid Digestion + Optical Absorption |
| Ammonia Nitrogen | Nesslerization) |
| COD Range | 5–2000 mg/L (extendable to 20,000 mg/L) |
| Ammonia Nitrogen Range | 0.02–25 mg/L |
| Detection Limit | 0.01 mg/L (ammonia nitrogen) |
| Accuracy | ≤ ±5% (COD), ≤ ±3% (NH₃-N) |
| Digestion Time | 15 min (COD) |
| Batch Capacity | 16 samples (compatible with DIS-16B, DIS-20B, DIS-25B or DIS-36B digestion units) |
| Display | 5-inch color TFT touchscreen (bilingual: English/Chinese) |
| Data Interface | USB port for data export and printer connectivity |
| Storage | 100 calibration curves, 1000 test records |
| Digestion Temp Control | PID-regulated, 0–200 °C adjustable, precision ≤ ±1.0 °C |
| Optical Stability | ≤ 0.002 A / 20 min |
| Repeatability | ≤ ±3% |
| Chloride Interference Tolerance | ≤ 2000 mg/L (COD) |
| Dimensions (Analyzer) | 400 × 310 × 158 mm |
| Weight (Analyzer) | 5.0 kg |
| Power Consumption | < 500 W |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | CN-201C/D |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measured Parameters | COD (Chemical Oxygen Demand), Ammonia-Nitrogen (NH₃-N) |
| COD Method | Rapid Digestion Optical Method (Dichromate Reflux + Photometric Detection) |
| NH₃-N Method | Nesslerization Spectrophotometry |
| Compatible Digesters | DIS-16B (standard), optional DIS-20B / DIS-25B / DIS-36B |
| Display | 5-inch Color TFT Touchscreen (800×480), Bilingual (Chinese/English) |
| Data Interface | USB 2.0 |
| Thermal Control Range (Digester) | Ambient to 200 °C |
| COD Digestion Temp | 165 °C ± 0.5 °C |
| Digestion Time | 15 min (COD), 1–9999 min (adjustable) |
| COD Range | 5–2000 mg/L (extendable to 20,000 mg/L) |
| NH₃-N Range | 0.02–25 mg/L |
| COD Accuracy | ≤ ±5% FS |
| NH₃-N Accuracy | ≤ ±3% FS |
| Repeatability | ≤ ±3% RSD |
| Chloride Interference Tolerance (COD) | ≤ 2000 mg/L Cl⁻ |
| Optical Stability | Absorbance drift < 0.002 A in 20 min |
| Host Dimensions | 400 × 310 × 158 mm |
| Host Weight | 5.0 kg |
| Digester Dimensions (DIS-16B) | 355 × 260 × 135 mm (excl. shield) |
| Digester Weight (DIS-16B) | 5.5 kg |
| Power Consumption | < 500 W |
| Storage Capacity | CN-201C — 300 calibration curves / 1000 test records |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | CN-201C/D |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Colorimetric Method (COD: Rapid Digestion + Optical Absorption |
| NH₃-N | Nesslerization) |
| COD Range | 5–2000 mg/L (extendable to 20,000 mg/L) |
| NH₃-N Range | 0.02–25 mg/L |
| Accuracy | COD ≤ ±5% FS |
| Repeatability | ≤ ±3% |
| Chloride Interference Tolerance (COD) | ≤ 2000 mg/L Cl⁻ |
| Temperature Control Precision | ≤ ±1.0 ℃ (Host), ±0.5 ℃ (Digestion Unit) |
| Digestion Temp Range | Ambient to 200 ℃ (default COD: 165 ℃) |
| Digestion Time | Programmable 1–9999 min (standard COD: 15 min) |
| Optical Stability | Absorbance drift < 0.002 A over 20 min |
| Sample Throughput | 16 samples per run (optional 20/25/36-position digestion blocks) |
| Display | 3.5-inch color TFT touchscreen (320×240), bilingual UI (English/Chinese) |
| Data Storage | CN-201C — 300 calibration curves + 1000 test records |
| Interface | USB port for data export to PC |
| Power Consumption | < 500 W |
| Dimensions (Host) | 400 × 310 × 158 mm |
| Weight (Host) | 5 kg |
| Dimensions (DIS-16B Digester) | 355 × 260 × 135 mm (excl. shield) |
| Weight | 5.5 kg |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | CNP-301C |
| Price Range | USD 1,400–4,200 |
| Instrument Type | Benchtop Laboratory Water Quality Analyzer |
| Measured Parameters | Chemical Oxygen Demand (COD), Ammonia Nitrogen (NH₃-N), Total Phosphorus (TP) |
| COD Range | 5–2,000 mg/L (extendable to 20,000 mg/L) |
| NH₃-N Range | 0.02–25 mg/L |
| TP Range | 0.00–10 mg/L |
| COD Accuracy | ≤±5% FS |
| NH₃-N Accuracy | ≤±3% FS |
| TP Accuracy | ≤±5% FS |
| Chloride Interference Tolerance (COD) | ≤2,000 mg/L |
| COD Digestion Temp | 165°C |
| NH₃-N Digestion Temp | Not required (Nesslerization) |
| TP Digestion Temp | 120°C |
| COD Digestion Time | 15 min |
| TP Digestion Time | 30 min |
| Temperature Control Range | Ambient to 200°C |
| Temp Control Precision | ≤±1.0°C |
| Optical Stability | ≤0.002 A/20 min |
| Repeatability | ≤±3% |
| Sample Throughput | 16 samples per batch (optional 20/25/36-position blocks) |
| Digestion Unit Display | Color touchscreen with bilingual (CN/EN) UI |
| Main Unit Dimensions | 340 × 250 × 130 mm |
| Digestion Unit Dimensions (w/o shield) | 260 × 355 × 135 mm |
| Main Unit Weight | 4 kg |
| Digestion Unit Weight | 5.5 kg |
| Data Interface | USB port |
| Output | Built-in thermal printer |
| Power Backup | Auto-save and power-fail recovery |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | CNP-301C/D |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measured Parameters | COD, Ammonia Nitrogen, Total Phosphorus |
| COD Range | 5–2000 mg/L (extendable to 20,000 mg/L) |
| Ammonia Nitrogen Range | 0.02–25 mg/L |
| Total Phosphorus Range | 0.00–10 mg/L |
| COD Accuracy | ≤±5% FS |
| Ammonia Nitrogen Accuracy | ≤±3% FS |
| Total Phosphorus Accuracy | ≤±5% FS |
| Chloride Interference Tolerance (COD) | ≤2000 mg/L |
| COD Digestion Temp | 165 °C |
| Ammonia Nitrogen Digestion Temp | Not required (Nessler method) |
| Total Phosphorus Digestion Temp | 120 °C |
| COD Digestion Time | 15 min |
| Total Phosphorus Digestion Time | 30 min |
| Temperature Control Range | Ambient to 200 °C |
| Temperature Control Accuracy | ≤±1.0 °C |
| Optical Stability | ≤0.002 A/20 min |
| Repeatability | ≤±3% |
| Sample Throughput | 16 samples/batch (optional 20/25/36) |
| Digestion Unit Display | Color touchscreen with bilingual (CN/EN) interface |
| Dimensions (Analyzer) | 400 × 310 × 158 mm |
| Dimensions (Digestion Unit, w/o shield) | 260 × 355 × 135 mm |
| Weight (Analyzer) | 4 kg |
| Weight (Digestion Unit) | 5.5 kg |
| Data Interface | USB port |
| Output | Built-in thermal printer |
| Standard Curves | 20 preloaded (user-configurable) |
| Data Storage | 200–1000 measurement records |
| Power Backup | Battery-backed memory retention |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | CNPN-401 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measured Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen (plus 56 additional optional parameters) |
| Measurement Principle | Spectrophotometric Analysis (Visible Light Absorption at Specific Wavelengths) |
| Optical System | High-Stability Narrow-Band Interference Filter + Imported Cold Light Source |
| COD Range | 5–2000 mg/L (dilution enabled) |
| NH₃-N Range | 0.02–25 mg/L |
| TP Range | 0.00–10 mg/L |
| TN Range | 0.05–150 mg/L |
| Accuracy | ≤±5% FS (COD, TP, TN) |
| Repeatability | ≤3% RSD |
| Optical Drift | <0.002 A in 20 min |
| Chloride Interference Tolerance (COD) | ≤2000 mg/L Cl⁻ |
| Dimensions (Analyzer) | 340 × 250 × 130 mm |
| Weight (Analyzer) | 4 kg |
| Power Consumption (Analyzer) | <10 W |
| Display | 3.5-inch Color Touchscreen (320×240), Bilingual (Chinese/English) |
| Data Storage | 400 measurement records + 20 calibration curves per parameter |
| Connectivity | USB interface for data export |
| Optional Digesters | DIS-16B / DIS-20B / DIS-25B / DIS-36B |
| Digestion Temp Control | PID-controlled, ±0.5 °C accuracy |
| Digestion Temp Ranges | 165 °C (COD), 125 °C (TP & TN), adjustable 0–200 °C |
| Digestion Time | 1–999 min programmable |
| Batch Capacity | 16–36 samples |
| Digester Power | <500 W |
| Digester Weight | 5.5–8.0 kg (model-dependent) |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Producer |
| Product Category | Domestic Lab-Based Water Quality Analyzer |
| Model | CNPN-401 |
| Detection Parameters | COD, Ammonia Nitrogen (NH₃-N), Total Phosphorus (TP), Total Nitrogen (TN) |
| Measurement Range (COD) | 5–2000 mg/L |
| (NH₃-N) | 0.02–25 mg/L |
| (TP) | 0.00–10 mg/L |
| (TN) | 0.05–100 mg/L |
| Accuracy | COD ≤ ±5% |
| Repeatability | ≤3% RSD |
| Optical Drift | <0.002 A in 20 min |
| Chloride Interference Tolerance (COD) | ≤2000 mg/L Cl⁻ |
| Dimensions (Analyzer) | 340 × 250 × 130 mm |
| Weight (Analyzer) | 4 kg |
| Power Consumption (Analyzer) | <10 W |
| Digestion Unit Options | DIS-16B / DIS-20B / DIS-25B / DIS-36B |
| Digestion Temp Range | Ambient to 200 °C |
| PID Temperature Control Accuracy | ±0.5 °C |
| Digestion Time Range | 1–999 min |
| Standard Digestion Protocols | COD @ 165 °C / 15 min |
| Batch Capacity | 16–36 samples |
| Display | 3.5″ color TFT touchscreen (320 × 240 px), bilingual (English & Chinese) UI |
| Data Output | Built-in thermal printer + USB 2.0 interface |
| Memory | 20 calibration curves per parameter + 400 measurement records (non-volatile storage) |
| Digestion/Colorimetric Tube | Reusable quartz-glass composite tube (high thermal & mechanical stability) |
| Brand | Shenchanghong |
|---|---|
| Origin | Shenzhen, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | CNPN-401C |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Parameters | COD, Ammonia-Nitrogen, Total Phosphorus, Total Nitrogen |
| Measurement Principle | COD – Rapid Digestion Optical Method |
| Optical System | High-brightness, long-life imported cold light source |
| Display | 5-inch color touchscreen with bilingual (Chinese/English) UI |
| Data Storage | 100 calibration curves, 1,000 test records |
| Connectivity | USB interface for PC data transfer and reporting |
| Digestion Capacity | 16 samples per batch (optional 20/25/36) |
| Digestion Temp. Range | Ambient to 200 °C (PID-controlled) |
| Temperature Accuracy | ≤±1.0 °C |
| Optical Stability | ≤0.002 A / 20 min |
| Repeatability | ≤±3% |
| Measurement Ranges | COD 5–2000 mg/L (extendable to 20,000 mg/L) |
| Accuracy | COD ≤±5% |
| Chloride Interference Tolerance (COD) | ≤2000 mg/L |
| Digestion Conditions | COD – 165 °C, 20 min |
| Dimensions (Analyzer) | 400 × 310 × 158 mm |
| (Digestor) | 260 × 355 × 135 mm |
| Weight (Analyzer) | 4 kg |
| (Digestor) | 5.5 kg |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | CNPN-401C |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measured Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen |
| COD Range | 5–2000 mg/L (extendable to 20,000 mg/L) |
| Ammonia Nitrogen Range | 0.02–25 mg/L |
| Total Phosphorus Range | 0.00–10 mg/L |
| Total Nitrogen Range | 0–100 mg/L |
| COD Accuracy | ≤±5% FS |
| Ammonia Nitrogen Accuracy | ≤±3% FS |
| Total Phosphorus Accuracy | ≤±5% FS |
| Total Nitrogen Accuracy | ≤±5% FS |
| Chloride Interference Tolerance (COD) | ≤2000 mg/L |
| COD Digestion Temp | 165 °C |
| Ammonia Nitrogen Digestion Temp | 120 °C |
| Total Phosphorus Digestion Temp | 125 °C |
| Total Nitrogen Digestion Temp | 125 °C |
| Digestion Time (COD) | 15–30 min |
| Digestion Time (TN/TP) | 30 min |
| Temperature Control Range | Ambient to 200 °C |
| Temp Control Accuracy | ≤±1.0 °C |
| Optical Stability | ≤0.002 A / 20 min |
| Repeatability | ≤±3% |
| Sample Throughput | 16 samples (optional 20/25/36) |
| Display | 5-inch color touchscreen with bilingual UI |
| Data Storage | 100 calibration curves, 1000 test records |
| Interface | USB port for data export |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic |
| Model | CY-2 Direct-Reading |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Manometric (Pressure Differential) Method using Dissolved Oxygen Depletion |
| Measurement Range | 0–1000 mg/L |
| Detection Limit | ≤1 mg/L |
| Accuracy | Compliant with GB 7488–1987 |
| Single Sample Measurement Time | 5 days (standard incubation) |
| Repeatability | ±1 mg/L or ±2% of reading (whichever is greater) |
| Batch Capacity | 8 samples |
| Incubation Temperature Control | 20 ± 1 °C |
| Display | Direct-reading digital display (mg/L BOD₅) |
| Dimensions (W×D×H) | 400 × 270 × 350 mm |
| Net Weight | 6 kg |
| Power Consumption | <15 W |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | CY-2 |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Manometric (Pressure-Difference) Method |
| Measurement Range | 0–1000 mg/L |
| Detection Limit | 1 mg/L |
| Accuracy | ≤5% |
| Single-Sample Incubation Duration | 5 days |
| Repeatability | ±3% |
| Display | Direct-Reading Digital Display |
| Batch Capacity | 8 samples per run |
| Incubation Temperature Control | 20 ± 1 °C |
| Dimensions (W × D × H) | 400 × 270 × 350 mm |
| Net Weight | 6 kg |
| Power Consumption | <15 W |
| Compliance | GB 7488–1987 |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | CY-2A Intelligent BOD Analyzer / Rapid BOD Analyzer |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Manometric (Pressure-Difference) Method |
| Measurement Range | 0–4000 mg/L |
| Detection Limit | 5 mg/L |
| Accuracy | As specified in technical documentation |
| Single-Sample Analysis Time | 1–30 days |
| Repeatability | ±3% RSD |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DIS-16B / DIS-20B / DIS-25B / DIS-36B |
| Digestion Method | Rapid Digestion |
| Heating Module | Single Aluminum Block Heater |
| Batch Capacity | 16 / 20 / 25 / 36 × φ16 mm Reaction Tubes |
| Temperature Range | Ambient to 200 °C |
| Temperature Accuracy | ±0.5 °C |
| Tube Diameter Compatibility | φ16 mm |
| Timing Accuracy | 0.1 s/hour |
| Display | 3.5″ Color Touchscreen (Chinese/English Switchable) |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Rated Power | 500 W |
| Dimensions (L×W×H) | 260 × 355 × 135 mm (without shield) |
| Weight | 5.5–8.0 kg (model-dependent) |
| Housing | Corrosion-Resistant Coated Metal Enclosure |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | DIS-16B |
| Digestion Method | Rapid Digestion |
| Heating Module | Integrated Aluminum Block with Precision PID Control |
| Batch Capacity | 16 × Ø16 mm digestion tubes |
| Temperature Range | Ambient to 200 °C |
| Temperature Accuracy | ±0.5 °C |
| Digestion Volume per Tube | 10–15 mL |
| Timer Resolution | 0.1 s |
| Power Supply | AC 220 V ±10%, 50 Hz, 500 W |
| Dimensions (L×W×H) | 355 × 260 × 135 mm (excl. safety shield) |
| Net Weight | 5.5 kg |
| Enclosure Material | Corrosion-Resistant Coated Metal |
| Display | 3.5″ TFT color touchscreen, 320 × 240 resolution, bilingual (English/Chinese) UI |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | DIS-16B / DIS-20B / DIS-25B / DIS-36B |
| Heating Block | Single aluminum alloy block |
| Batch Capacity | 16 / 20 / 25 / 36 × φ16 mm digestion tubes |
| Temperature Range | Ambient to 200 °C |
| Temperature Accuracy | ±0.5 °C |
| Timing Accuracy | 0.1 s/hour |
| Display | 3.5″ color touchscreen (Chinese/English switchable) |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Rated Power | 500 W |
| Housing | Corrosion-resistant coated metal enclosure |
| Safety Features | Dual-stage thermal cutoff (auto-shutdown at >200 °C), reinforced borosilicate glass tube compatibility |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Region | Domestic (China) |
| Model | DIS-1D |
| Digestion Method | Rapid Digestion |
| Heating Module | Single Aluminum Block Heater |
| Batch Capacity | 4 samples |
| Temperature Range | Ambient to 170 °C |
| Temperature Accuracy | ±1.0 °C at 170 °C |
| Digestion Vessel Volume | 60 mL |
| Timing Accuracy | ±0.1 s/hour |
| Heating Rate | Reaches setpoint in ≤15 min |
| Timer Range | 1–9999 min |
| Power Supply | AC 220 V ±10 %, 50 Hz / DC via cigarette lighter or battery (optional adapter) |
| Rated Power | 500 W |
| Dimensions | 105 × 160 × 90 mm |
| Weight | ~2.0 kg |
| Housing Material | Corrosion-Resistant Coated Aluminum Alloy |
| Safety Protection | Dual-stage thermal cutoff (auto-shutdown at ≥185 °C) |
| Vessel Compatibility | Four φ16 mm borosilicate glass tubes (imported, thermal shock-resistant) |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | DO-610 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Clark-type Polarographic Sensor |
| Measurement Range | DO: 0.0–20.0 mg/L (or 0–200% saturation) |
| Temperature | 0–100 °C |
| Accuracy | ±3% of reading (DO), ±1 °C (temperature) |
| Repeatability | ±5% |
| Detection Limit | 0.01 mg/L |
| Automatic Temperature Compensation Range | 0–40 °C |
| Calibration Points | 1-point or 2-point (air-saturated water or zero-oxygen solution) |
| Salinity Compensation Range | 0–35 g/L |
| Atmospheric Pressure Setting Range | 0.5–1.5 atm |
| Power Supply | One 9 V alkaline battery |
| Dimensions | 75 × 140 × 38 mm |
| Weight | <220 g |
| Data Storage Capacity | 99 measurement records with timestamp and metadata (DO, % sat, T, salinity, pressure) |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DO-810 |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence-based Optical Sensing |
| Range | 0.0–20.0 mg/L (DO) and 0–200 % saturation |
| Accuracy | ±0.2 mg/L (isothermal calibration condition) |
| Repeatability | ≤ ±3% |
| Detection Limit | 0.01 mg/L |
| Temperature Range | 0–50 °C |
| Temp. Accuracy | ±1 °C |
| Temp. Compensation Range | 0–50 °C |
| Calibration | 1- or 2-point |
| Salinity Compensation | Adjustable 0–35 g/L (ppt) |
| Atmospheric Pressure Adjustment | 0.5–1.5 atm |
| Sensor Cable Length | 2 m |
| Probe Storage Temp. | −40 to +85 °C |
| Sensor Drift | <1% per year |
| Fluorescent Cap Lifetime | 12 months (normal use) |
| Data Storage Capacity | 300 sets |
| Power | Rechargeable Li-ion battery (7.4 V, 1500 mAh) |
| Dimensions | 185 × 92 × 50 mm (L×W×H) |
| Weight | ~370 g |
| IP Rating | IP67-rated housing (dust-tight and immersion-resistant up to 1 m for 30 min) |
| Brand | Shenchanghong |
|---|---|
| Origin | Shenzhen, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | GW-2000E |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurable Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen, Copper, Iron, Nickel, Hexavalent Chromium, Phosphate, Nitrite, pH, Residual Chlorine, and >80 other water quality parameters |
| Wavelength Options | 340, 420, 440, 470, 520, 540, 560, 610, 630, 660, 680, 700 nm (customizable within range) |
| Absorbance Range | −2.000 to +2.000 A |
| Absorbance Accuracy | ±0.005 A |
| Repeatability | ≤3% |
| Optical Drift | <0.002 A over 20 min |
| Measurement Modes | Concentration, Absorbance, Transmittance |
| Cuvette Compatibility | Ø16 mm and Ø25 mm |
| Dimensions | 410 × 300 × 130 mm |
| Weight | 4 kg |
| Power Consumption | <10 W |
| Power Supply | Rechargeable Li-ion battery |
| Data Storage | 300 calibration curves + 1000 tagged measurement records (with timestamp & parameter ID) |
| Interface | USB port for PC data export |
| Compliance | Designed to support ASTM D1253, ISO 7027, ISO 6060, ISO 6223, EPA 4500-NO₂⁻ B, EPA 4500-NH₃ F, APHA 4500-P E, and GB/T 5750 series methods |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GW-2800 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Measurable Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen, Copper, Iron, Nickel, Hexavalent Chromium, Phosphate, Nitrite, pH, Residual Chlorine, and >60 customizable parameters |
| Wavelength Range | 340, 420, 440, 470, 520, 540, 560, 610, 630, 660, 680, 700 nm (user-selectable |
| pH/Conductivity/Dissolved Oxygen | Electrochemical sensor option available |
| Accuracy | ≤ ±5% FS |
| Repeatability | ≤ 2% |
| Optical Stability | Absorbance drift < 0.002 A within 20 min |
| Temperature Control Range | Ambient to 200 °C |
| Temp. Control Accuracy | ±0.5 °C |
| Digestion Time Setting | 1–9999 min |
| Digestion Capacity | 8 samples (4+4 dual-zone independent temperature control) |
| Display | Color capacitive touchscreen with bilingual UI (English/Chinese) |
| Dimensions | 453 × 333 × 139 mm |
| Weight | 9 kg |
| Power Supply | Integrated high-capacity lithium battery (63 W charging power) |
| AC input | 220 ± 22 V, 50 ± 0.5 Hz |
| Operating Environment | 5–40 °C, RH ≤ 85%, no strong vibration or EMI |
| Data Storage | 99,999 measurement records + 200 factory curves + 3,000 user-defined calibration curves |
| Light Intensity Adjustment | 16-level programmable LED intensity |
| Optical Calibration Support | Yes |
| Security | Password-protected system settings & startup |
| Connectivity | USB port for data export |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LO3-260 |
| Quotation | Upon Request |
| Measurement Range | 0.01–2.5 mg/L |
| Accuracy (Relative Error) | ≤ ±5% |
| Repeatability (RSD) | ≤ 3% |
| Optical Stability | Absorbance Drift < 0.002 A within 20 min |
| Dimensions (H×W×D) | 266 × 200 × 130 mm |
| Weight | 1 kg |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤ 85% |
| Power Supply | AC 220 V ± 10%, 50 Hz ± 0.5 Hz |
| Light Source | High-brightness, Long-life (100,000 h) Monochromatic Cold Light LED |
| Filter System | Narrow-band Interference Filter |
| Display | Backlit LCD with Chinese Menu Interface |
| Microcontroller | Low-power 16-bit MCU |
| Housing Material | Corrosion-resistant ABS Plastic |
| Data Storage | Internal Non-volatile Memory for Calibration Curves and Measurement History |