Total Phosphorus and Total Nitrogen Analyzer
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Showing 31–60 of 66 results
| Brand | Online Instrument |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | OL5100 |
| Measurement Parameters | Total Phosphorus (TP) and Total Nitrogen (TN) |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Spectrophotometry (Molybdate Blue Method for TP |
| Sample Capacity | 64 positions |
| Digestion Capacity | 64 positions |
| Reagent Handling | Fully Automated Transfer |
| Digestion Method | Automated High-Pressure Digestion |
| Calibration | Auto-Curve Calibration |
| Cleaning | Programmable Self-Cleaning with Fresh-Water Rinse |
| Waste Management | Automated Waste Collection & Gas Adsorption |
| Operation Mode | One-Touch Start |
| Remote Access | Mobile/Tablet-Based Control via Secure Web Interface |
| Compatibility | Integrates with Unmanned Lab Platforms (e.g., LIMS, ELN, SCADA) or Operates Standalone |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | OEM Manufacturer |
| Product Origin | Domestic (China) |
| Model | SERES 2000 TP |
| Measurement Parameter | Total Phosphorus (TP) |
| Instrument Type | Online Analyzer |
| Measurement Principle | UV-Catalyzed Alkaline Persulfate Oxidation Coupled with Molybdenum Blue Spectrophotometry |
| Measurement Range | 0–0.5 / 0–5 / 0–10 / 0–50 mg/L P (selectable ranges) |
| Accuracy | ±3% of reading |
| Detection Limit | 0.005 mg/L |
| Resolution | ≤0.01 mg/L |
| Compliance Standard | HJ/T 103–2003 |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | XHTN-90 |
| Measurement Parameter | Total Nitrogen |
| Instrument Type | Online Analyzer |
| Measurement Principle | Spectrophotometry (Alkaline Potassium Persulfate Digestion + UV Absorption at 220 nm) |
| Measurement Range | 0–50 mg/L (expandable) |
| Accuracy | ±3.0% FS |
| Detection Limit | 0.1 mg/L |
| Brand | SENTE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic Instrument |
| Model | ST800L |
| Application | Laboratory-Based Water Quality Analysis |
| Measurement Principle | Spectrophotometry (UV-Vis) |
| Measuring Parameters | Total Phosphorus (TP) and Total Nitrogen (TN) |
| Measurement Range | TP: 0.01–0.6 mg/L |
| Detection Limit | 0.01 mg/L |
| Accuracy | ≤ ±5% |
| Instrument Class | Benchtop Automated Analyzer |
| Compliance Standards | GB 11893–1989 (TP), HJ 636–2012 (TN) |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | PWN-820F |
| Measurement Parameters | Total Phosphorus (TP) and Total Nitrogen (TN) |
| Instrument Type | Portable |
| Measurement Principle | High-Temperature Alkaline Persulfate Oxidation Coupled with Colorimetric Detection (UV-VIS Spectrophotometry) |
| Measurement Range | TP: 0.00–10.00 mg/L |
| TN | 0.05–100.00 mg/L |
| Accuracy | ≤ ±5% (TP & TN) and ±0.2 mg/L (TP offset) |
| Detection Limit | 0.01 mg/L (TP) |
| Resolution | 0.01 mg/L |
| Repeatability | ≤ 3% RSD |
| Optical Drift | < 0.002 A over 20 min |
| Chloride Interference Tolerance | ≤ 2000 mg/L (as Cl⁻, applicable to COD co-measurement context) |
| Dimensions | Analyzer: 80 × 230 × 55 mm |
| Digestion Unit | 105 × 160 × 90 mm |
| Enclosure Rating | IP65 |
| Data Storage | 30 calibration curves + 199 timestamped measurement records (including absorbance, transmittance, and full datetime metadata) |
| Interface | USB port for data export and PC connectivity |
| Power | DC 12 V (AC/DC adapter included) |
| Housing Material | Molded ABS polymer |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | TN-3A |
| Price | ¥12,400 |
| Measured Parameter | Total Nitrogen |
| Instrument Type | Laboratory |
| Measurement Principle | UV-Vis Spectrophotometry (Lambert-Beer Law) |
| Measurement Range | 0.05–100 mg/L (dual-range: 0.05–10 mg/L and 10–100 mg/L) |
| Accuracy | ±5% of reading (±0.5% F.S.) |
| Detection Limit | ≤±3% repeatability |
| Resolution | 0.01 mg/L |
| Digestion Time | 30 min |
| Digestion Temperature | 125 °C (adjustable from ambient to 200 °C) |
| Optical Stability | ≤0.002 A/20 min |
| Sample Throughput | 16 samples per batch (optional 20/25/36) |
| Display | LCD with Chinese/English interface |
| Data Interface | USB |
| Storage Capacity | 20 built-in calibration curves |
| Power Backup | Battery-supported data retention on power loss |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | TN-3C |
| Price | ¥12,800 |
| Measured Parameter | Total Nitrogen |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Sealed High-Temperature Catalytic Digestion + Colorimetric Detection (Alkaline Potassium Persulfate Oxidation) |
| Measurement Range | 0.05–100 mg/L as N |
| Accuracy | ±5% of full scale (F.S.) |
| Detection Limit | Not specified (method-dependent |
| Temperature Control Range | Ambient to 200 °C |
| Digestion Temperature | 125 °C (preset) |
| Digestion Time | 30 min (adjustable from 1–9999 min) |
| Temperature Control Precision | ≤±1.0 °C |
| Repeatability | ≤±3% RSD |
| Optical Stability | ≤0.002 A / 20 min |
| Display | 5-inch color TFT touch screen with bilingual (Chinese/English) UI |
| Data Storage | 100 calibration curves, 1000 measurement records |
| Connectivity | USB interface for data export |
| Dimensions (Analyzer) | 400 × 310 × 158 mm |
| Dimensions (Digestion Unit) | 260 × 355 × 135 mm (excl. shield) |
| Weight (Analyzer) | 5.0 kg |
| Weight (Digestion Unit) | 5.5 kg |
| Batch Capacity | 16 samples (optional 20/25/36-position blocks available) |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Product Type | Domestic |
| Model | TN-3C / TN-3D |
| Measurement Parameter | Total Nitrogen (TN) |
| Instrument Category | Laboratory Analyzer |
| Measurement Principle | Alkaline Potassium Persulfate Digestion + UV Spectrophotometry |
| Measurement Range | 0.05–100 mg/L |
| Accuracy | ±5% of reading |
| Repeatability | ≤3% RSD |
| Detection Limit | Not specified (method-dependent |
| Temperature Control Precision | ±0.5 °C |
| Temperature Range | Ambient to 200 °C (digestion setpoint: 125 °C) |
| Digestion Time | 30 min (programmable: 1–9999 min) |
| Optical Stability | Drift < 0.002 A in 20 min |
| Sample Throughput | 16 samples per batch |
| Display | 7-inch color TFT touchscreen with bilingual Chinese/English UI |
| Data Storage | TN-3C — 300 calibration curves + 1,000 measurement records |
| Connectivity | USB port for PC export and firmware update |
| Power Supply | AC 220 V ±10%, 50 Hz, <500 W |
| Dimensions (Analyzer) | 400 × 310 × 158 mm |
| (Digestor DIS-16B) | 355 × 260 × 135 mm |
| Weight (Analyzer) | 4 kg |
| (Digestor) | 5.5 kg |
| Operating Environment | 5–40 °C, RH ≤85%, non-condensing, low EMI/vibration |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | TN-3E |
| Price | ¥11,800 |
| Measured Parameter | Total Nitrogen |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Alkaline Potassium Persulfate UV Digestion & Spectrophotometric Detection (220 nm & 275 nm) |
| Measurement Range | 0.05–100 mg/L |
| Accuracy | ≤ ±5% of Full Scale |
| Detection Limit | 0.01 mg/L |
| Resolution | Color Touchscreen Display with English/Chinese Interface |
| Digestion Temperature | 125 °C |
| Digestion Time | 30 min |
| Temperature Control Range | Ambient to 200 °C (adjustable) |
| Optical Stability | ≤ 0.002 A / 20 min |
| Absorbance Error | ≤ ±5% F.S. |
| Repeatability | ≤ 3% RSD |
| Sample Throughput | 16 samples per batch (optional 20/25/36-position blocks) |
| Weight | Analyzer: 2.6 kg |
| Digestion Unit | 5.5 kg |
| Power Consumption | < 500 W |
| Dimensions (Analyzer) | 400 × 300 × 140 mm |
| (Digestor, w/o shield) | 260 × 355 × 135 mm |
| Operating Environment | 5–40 °C, RH ≤ 85%, AC (220 ± 22) V, (50 ± 0.5) Hz |
| Data Storage Capacity | 100,000 records (including parameter name, concentration, unit, timestamp, operator ID) |
| Calibration Curves | Up to 3,500 user-defined curves + 250 factory preloaded |
| Connectivity | USB port for PC data export |
| Output | Built-in thermal printer support |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | TP-1A |
| Price | ¥9,800 |
| Measured Parameter | Total Phosphorus |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Sealed High-Temperature Digestion Followed by Colorimetric Detection (Molybdenum Blue Method) |
| Measurement Range | 0.02–10 mg/L as P |
| Accuracy | ≤ ±5% of Full Scale or ±0.2 mg/L (whichever is greater) |
| Repeatability | ≤ 3% RSD |
| Detection Limit | 0.02 mg/L |
| Digestion Temperature | 120 °C ± 1.0 °C |
| Digestion Time | 30 min |
| Optical Stability | ≤ 0.002 A / 20 min |
| Resolution | 0.001 mg/L (display), 0.002 A (absorbance) |
| Batch Capacity | 16 samples (DIS-16B digester |
| Dimensions (Analyzer) | 266 × 200 × 130 mm |
| Dimensions (Digester) | 355 × 260 × 135 mm |
| Power Consumption | 400 W |
| Display | 3.5-inch color TFT touchscreen (320 × 240 pixels), bilingual Chinese/English UI |
| Housing Material | Molded ABS with corrosion-resistant finish |
| Microcontroller | 16-bit low-power MCU |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | TP-2C / TP-2D |
| Measurement Parameter | Total Phosphorus (TP) |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Sealed High-Temperature Digestion + Colorimetric Detection (Molybdenum Blue Method) |
| Measurement Range | TP-2C: 0.02–10 mg/L (dilutable beyond range) |
| Accuracy | ≤ ±5% of Full Scale |
| Repeatability | ≤ ±3% |
| Detection Limit | 0.02 mg/L |
| Resolution | 0.001 mg/L |
| Optical Stability | ≤ 0.002 A / 20 min |
| Digestion Temperature Control | PID-controlled, 25–200 °C (standard TP digestion at 120 °C) |
| Digestion Time | 30 min (user-adjustable) |
| Batch Capacity | 16 samples (optional 20/25/36-position blocks) |
| Display | 5-inch color TFT touchscreen with bilingual (Chinese/English) UI |
| Data Storage | TP-2C: 300 calibration curves + 1,000 measurement records |
| TP-2D | 3,500 curves + 100,000 records |
| Connectivity | USB port for data export and printer interface |
| Security | Password-protected system access and configuration |
| Calibration | Built-in auto-zero and reference calibration routines |
| Physical Dimensions (Analyzer) | 400 × 310 × 158 mm |
| (Digestor) | 355 × 260 × 135 mm (excl. shield) |
| Weight | Analyzer: 5.0 kg |
| Digestor | 5.5 kg |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | TP-2E |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | UV-Vis Spectrophotometry (Molybdenum Blue Method) |
| Measurement Range | 0.00–10.00 mg/L as P |
| Accuracy | ≤ ±5% of Full Scale |
| Detection Limit | 0.02 mg/L |
| Resolution | 0.01 mg/L |
| Repeatability | ≤ 3% RSD |
| Optical Stability | ≤ 0.002 A/20 min |
| Digestion Temperature | 120 °C |
| Digestion Time | 30 min |
| Batch Capacity | 16 samples (optional 20/25/36-position digestion blocks) |
| Power Consumption | < 500 W |
| Net Weight | Analyzer: 2.6 kg |
| Digestion Unit | 5.5 kg |
| Dimensions (Analyzer) | 400 × 300 × 140 mm |
| (Digestor) | 260 × 355 × 135 mm |
| Brand | Shengaohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic Instrument |
| Model | 6B-70 |
| Application | Laboratory-Based Water Quality Analysis |
| Measurement Principle | Spectrophotometry (Molybdenum Blue Method) |
| Measuring Range | 0.01–20 mg/L (selectable calibration curves) |
| Accuracy | ≤ ±5% |
| Detection Limit | 0.01 mg/L |
| Resolution | 0.001 mg/L |
| Photometric Stability | ≤ 0.001 A/10 min |
| Repeatability | ±3% |
| Temperature Control Accuracy | ±0.5 °C at 123 °C |
| Digestion Time Accuracy | ≤ ±2% |
| Operating Ambient | 5–40 °C, RH <85% (non-condensing) |
| Sample Capacity | Configurable options — 9 / 12 / 16 / 20 / 25 / 30 positions |
| Built-in Curves | 4 factory-calibrated standard curves + 96 user-definable curves |
| Display | Backlit Chinese LCD |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions | 330 × 260 × 120 mm |
| Brand | Shengaohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic Instrument |
| Model | 6B-70 |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Spectrophotometry (Molybdenum Blue Method) |
| Measurement Range | 0.01–20 mg/L |
| Accuracy | ≤5% |
| Detection Limit | 0.01 mg/L |
| Resolution | 0.001 mg/L |
| Photometric Stability | ≤0.001 A/10 min |
| Repeatability | ±3% |
| Temperature Control Accuracy | ±0.5 °C at 123 °C |
| Digestion Time Accuracy | ≤±2% |
| Sample Capacity Options | 9 / 12 / 16 / 20 / 25 / 30 positions |
| Preloaded Calibration Curves | 4 factory-standard curves |
| User-Definable Curves | up to 96 |
| Display | Chinese LCD interface |
| Digestion Temperature | 123 °C ±0.5 °C (PID-controlled) |
| Digestion Duration | 30 min (programmable) |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions | 330 × 260 × 120 mm |
| Operating Ambient | 5–40 °C, RH <85% (non-condensing) |
| Brand | Shengaohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | 6B-70B |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Spectrophotometry (Molybdenum Blue Method) |
| Measurement Range | 0.01–20 mg/L (selectable calibration curves) |
| Accuracy | ≤ ±5% |
| Detection Limit | 0.01 mg/L |
| Resolution | 0.01 mg/L |
| Photometric Stability | ≤ 0.001 A/10 min |
| Repeatability | ±3% |
| Digestion Temperature | 123 ± 0.5 °C |
| Digestion Time | 30 min |
| Sample Throughput | 6 samples per batch |
| Built-in Curves | 4 factory-standard + 96 user-editable curves |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions | 330 × 260 × 120 mm |
| Operating Environment | 5–40 °C, RH <85% (non-condensing) |
| Brand | Shengaohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SH-50TN(V10) |
| Measurement Principle | Spectrophotometry |
| Measurement Range | 0.2–20 mg/L (segmented) |
| Accuracy | ≤ ±5% |
| Detection Limit | 0.2 mg/L |
| Resolution | 0.01 mg/L |
| Digestion Temperature | 123 ± 0.5 °C |
| Digestion Time | 30 min |
| Photometric Stability | ≤ 0.001 A/10 min |
| Repeatability | ±3% |
| Measurement Error | ≤ ±10% |
| Temperature Display Error | ±5% |
| Temperature Uniformity | ±0.5 °C |
| Timer Accuracy | ≤ ±2% |
| Operating Ambient | 5–40 °C, RH <85% (non-condensing) |
| Sample Capacity | 6 samples per batch |
| Built-in Calibration Curves | 4 factory curves + 96 user-editable curves |
| Data Storage | High-capacity internal memory |
| Interface | USB for data export |
| Display | Chinese LCD |
| Power Supply | AC 220 V |
| Dimensions | 220 × 120 × 90 mm |
| Brand | Shimadzu |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | TNP-4200 |
| Measurement Parameters | Total Nitrogen (TN), Total Phosphorus (TP) |
| Instrument Type | Online Analyzer |
| Measurement Principle | Alkaline Potassium Persulfate UV Oxidation – UV Absorbance (TN) |
| Detection Range | TN: 0–2 / 5 / 10 / 20 / 50 / 100 / 200 mg N/L |
| TP | 0–0.5 / 1 / 2 / 5 / 10 / 20 / 50 / 100 mg P/L |
| Cycle Time | 60 min (simultaneous TN & TP) |
| Power Consumption | ≤300 VA (AC 100–240 V, 50/60 Hz) |
| Operating Environment | Indoor use only |
| Sample Pretreatment | High-speed rotary homogenizer with auto backwash filter |
| Auto-Cleaning | Scheduled distilled water flush of fluidic pathways |
| Auto-Calibration | Dual-point (zero & span) using standard solutions |
| Brand | Shimadzu |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Product Origin | Domestic |
| Model | TP-4110 |
| Measurement Parameter | Total Phosphorus (TP) |
| Instrument Type | Online Analyzer |
| Measurement Principle | Potassium Persulfate UV Oxidation–Molybdenum Blue Spectrophotometry |
| Detection Range | 0–0.5 / 1 / 2 / 5 / 10 / 20 / 50 / 100 mg P/L |
| Measurement Cycle | 60 min |
| Sample Pretreatment | High-speed rotary homogenizer + automatic backwash filtration using tap water |
| Automatic Cleaning | Distilled water flush at user-defined intervals |
| Power Supply | 220 V ±10 V, 50/60 Hz, ≤300 VA |
| Operating Temperature | 1–40 °C |
| Relative Humidity | ≤90 % RH (non-condensing) |
| Installation | Indoor only |
| Compliance | Designed for continuous compliance monitoring per China’s HJ 353–2019, HJ 354–2019, and HJ 355–2019 standards for online water quality analyzers |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Product Type | Portable Analyzer |
| Model | AQ3700 |
| Measurement Parameters | Total Phosphorus (TP), Total Nitrogen (TN), Chemical Oxygen Demand (COD) |
| Measurement Principle | Spectrophotometry |
| Measurement Range | 0.5–150 mg/L (TP/TN) |
| Accuracy | ≤ ±5% of reading |
| Detection Limit | 0.01 mg/L |
| Resolution | 0.001 mg/L |
| Brand | Thermo Fisher |
|---|---|
| Origin | Shanghai, China |
| Model | 3110TP |
| Application | Online Water Quality Monitoring |
| Measured Parameter | Total Phosphorus (TP) |
| Measurement Range | 0–1 / 0–2 / 0–10 / 0–50 mg/L |
| Accuracy | <5% for standard solutions |
| Detection Limit | 0.01 mg/L |
| Resolution | < ±5% of Full Scale |
| Instrument Type | Online Automated Analyzer |
| Compliance Context | Designed for continuous operation in compliance with ISO 15681-1 (Water quality — Determination of phosphorus — Part 1: Spectrophotometric determination after digestion) and supports GLP/GMP data integrity requirements via audit-trail-capable software |
| Brand | Thermo Fisher |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | 3110TP |
| Measurement Parameter | Total Phosphorus (TP) |
| Instrument Type | Online Analyzer |
| Measurement Principle | Acid Digestion + Molybdenum Blue Colorimetry |
| Measurement Ranges | 0–1 / 0–2 / 0–10 / 0–50 mg/L as P |
| Accuracy | <5% for standard solutions |
| Detection Limit | 0.01 mg/L |
| Resolution | < ±5% of Full Scale (F.S.) |
| Repeatability | <5% of reading |
| Data Storage Capacity | 20,000 records with auto-rollover |
| Power Supply | 100–240 V AC, 50/60 Hz |
| Operating Temperature | 5–45 °C |
| Relative Humidity | ≤95% RH (non-condensing) |
| Enclosure Rating | IP66 / NEMA 4X |
| Dimensions (W×H×D) | 510 × 775 × 330 mm |
| Weight | 40 kg (instrument only) |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Model | Orion 3150 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Spectrophotometry (UV-Vis) |
| Measuring Parameters | Total Phosphorus (TP) and Total Nitrogen (TN) |
| Range | 0–2 / 0–10 / 0–50 mg/L (user-selectable ranges per parameter) |
| Accuracy | ±5% of reading |
| Detection Limit | 0.005 mg/L |
| Resolution | 0.01 mg/L |
| Light Source (TN module) | Xenon flash lamp (rated for >10⁸ flashes) |
| Sample Handling | Integrated digestion-colorimetric cell with automated reagent dosing and thermal digestion |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Product Type | Imported |
| Model | Orion 3150 |
| Measurement Parameters | Total Phosphorus (TP) and Total Nitrogen (TN) |
| Instrument Type | Online Analyzer |
| Measurement Principle | Spectrophotometry (UV-Vis) |
| Measurement Ranges | 0–2 mg/L, 0–10 mg/L, 0–50 mg/L (auto-ranging) |
| Accuracy | ±5% of reading |
| Detection Limit | 0.005 mg/L |
| Resolution | 0.01 mg/L |
| Brand | Tianer |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | TE-5002 |
| Measurement Parameters | Total Phosphorus (TP) and Total Nitrogen (TN) |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Spectrophotometry (for TP/TN digestion–colorimetric method) |
| Measurement Range | 0–100 mg/L for both TP and TN |
| Accuracy | ≤ ±5% |
| Detection Limit | 0.01 mg/L |
| Resolution | 0.001 mg/L |
| Repeatability | ≤ ±2% |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Optical System | Fiber-optic Photometric Detection |
| Light Source | Imported Cold Light LED (Lifespan > 100,000 h) |
| Display | 8-inch HD Capacitive Touchscreen |
| Interface Language | Default Chinese |
| Detection Modes | Rotating Cuvette (360°), 10 mm & 30 mm Cuvette, Digital Electrode Ports (2 independent) |
| Readout Modes | Concentration (mg/L), Absorbance (Abs), Transmittance (%) |
| Calibration | Single-point and Multi-point Calibration |
| Pre-stored Curves | 180 Method-Specific Calibration Curves (incl. EPA, ISO, and HJ standards) |
| Data Storage | Up to 1,000,000 Records with Timestamp, Sample ID, Operator ID, and Method Tag |
| Data Export | USB Port + Built-in Thermal Printer |
| Housing Material | Flame-Retardant ABS with Corrosion-Resistant Surface Finish |
| Dimensions (W×D×H) | 392 × 315 × 170 mm |
| Weight | 4.4 kg |
| Brand | Tianhong |
|---|---|
| Origin | Hubei, China |
| Model | TH-ZX300 |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Online Analyzer |
| Measurement Range | 0–10 mg/L and 0–50 mg/L (dual-range) |
| Accuracy | ±3% of reading |
| Detection Limit | 0.005 mg/L |
| Resolution | 3% (relative) |
| Fluidic Components | Imported solenoid valves (USA/Japan/Germany) |
| Reagent Consumption | Low-volume precision metering via optical sensing |
| Data Storage | ≥10,000 records with USB export capability |
| Compliance | Designed for continuous unattended operation in municipal WWTPs and surface water monitoring stations |
| Software | Embedded Linux-based control system with auto-calibration, dual-mode operation (online/auto vs. offline/manual), and audit-ready data logging |
| Brand | Water Doctor |
|---|---|
| Origin | Hunan, China |
| Model | Dr-T9003 |
| Measurement Principle | Spectrophotometry (UV-Vis) |
| Detection Range | 0–100 mg/L (for both TP and TN) |
| Accuracy | ≤ ±5% |
| Detection Limit | Not specified (instrument-level LOD determined by method, not instrument spec) |
| Wavelength Range | 340–900 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | < 0.2 nm |
| Spectral Bandwidth | 4 nm |
| Transmittance Error | ±0.5% |
| Transmittance Repeatability | ≤ 0.2% T |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤ ±0.005 Abs / 20 min |
| Light Source | Imported cold-light LED (rated lifetime > 100,000 h) |
| Display | 8-inch HD capacitive touchscreen |
| Sample Holders | Rotatable tube holder (360°), dual cuvette positions (10 mm & 30 mm pathlength), four independent digital electrode ports |
| Calibration | Single- or multi-point calibration with up to 1000 pre-stored method curves |
| Data Storage | 1,000,000 measurement records |
| Interface | USB port for data export (U-disk compatible), built-in thermal printer |
| Housing Material | Corrosion- and heat-resistant ABS |
| Dimensions | 392 × 315 × 170 mm |
| Weight | 4.4 kg |
| Origin | Hebei, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | XHZ2004 |
| Price | Available Upon Request |
| Measurement Principle | Flow Injection Analysis (FIA) with High-Temperature Acid Digestion |
| Range | 0.05–50 mg/L TP |
| Detection Limit | 0.05 mg/L |
| Resolution | 0.01 mg/L |
| Accuracy & Precision | ±10% of Full Scale (FS) |
| Minimum Cycle Time | 12 min |
| Digestion Conditions | 130 °C, 0.7 MPa |
| Dimensions (W×H×D) | 620 × 1500 × 500 mm |
| Weight | 110 kg |
| Power Supply | 220 V AC, 50 Hz |
| Power Consumption | 250 W |
| Sample Handling | Direct injection—no pretreatment or post-run cleaning required |
| Maintenance Interval | >6 months under continuous operation |
| Brand | Yuntang |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | YT-TP |
| Detection Parameter | Total Phosphorus |
| Instrument Type | Portable |
| Measurement Principle | Spectrophotometry (Ammonium Molybdate Method per GB 11893-89) |
| Detection Range | 0–30 mg/L (segmented) |
| LOD | 0.02 mg/L |
| Accuracy | ±5% FS |
| Stability | <0.5% / 20 min |
| Repeatability | <0.5% RSD |
| Optical Drift | ≤0.002 A within 20 min |
| Light Source | High-brightness imported LED with auto-calibration |
| Display | 10.1″ color TFT touchscreen |
| OS | Android 7.1.1 |
| Data Storage | 8 million records with time-based indexing |
| Connectivity | Wi-Fi, RJ45, Bluetooth, mobile hotspot, USB 2.0 |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions | 444 × 303 × 173 mm |
| Weight | 5.2 kg (net, excluding battery/adapter) |
| Operating Environment | 5–40 °C, RH <85% (non-condensing) |
| Printer | Built-in thermal line printer with QR code support |
| Compliance | GB 11893-89 |
| Brand | Zming Environmental Technology Co., Ltd. |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HQ-3200 |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Online Analyzer |
| Measurement Principle | Ammonium Molybdate Spectrophotometry (GB/T 11893–1989) |
| Measurement Range | 0–0.5 / 0–2 / 0–10 mg/L (user-selectable |
| Resolution | 0.001 mg/L |
| Brand | Zming Environmental Technology Co., Ltd. |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HQ-3200(PO4) |
| Measurement Parameter | Total Phosphorus (as PO₄³⁻) |
| Instrument Type | Online Analyzer |
| Measurement Principle | Ammonium Molybdate Spectrophotometry (GB/T 11893–1989 compliant) |
| Measurement Range | 0–0.5 / 0–2 / 0–10 mg/L PO₄³⁻ (selectable) |
| Resolution | 0.001 mg/L |