Total Phosphorus and Total Nitrogen Analyzer
Filter
Showing 1–30 of 66 results
| Brand | AIGIS |
|---|---|
| Model | Multi-Channel Rotary Selector Valve for Online Water Quality Monitoring |
| Flow Path Options | 3/4/6/8/10, 12/16, 24/28/32 channels |
| Port Bore Diameter | 0.6 / 0.75 / 1.0 / 1.5 / 2.0 / 3.0 mm (standard) |
| Threaded Port Specifications | 1/4-28 UNF female, 10-32 UNF female, 6-40 UNF female |
| Rotor Groove Volume | 1.27–5.24 µL |
| Wetted Materials | Ceramic, PEEK, PPS, PCTFE, PVDF, PTFE, N60 (polyamide-imide), SUS316L |
| Max. Operating Pressure | 1.6 MPa (liquid), 0.5 MPa (gas) |
| Fluid Temperature Range | 0–85 °C |
| Rotor/Stator Cycle Life | ≥1,000,000 cycles |
| Actuation Time | ≤4 s per full rotation |
| Power Supply | 12–24 VDC |
| Peak Driving Torque | 2.5 N·m |
| Communication Interfaces | RS232, RS485 |
| Home Position Detection | Auto-initialization on power-up |
| Ambient Operating Temperature | 0–60 °C |
| Ambient Humidity | ≤95% RH, non-condensing |
| Brand | Ailun General / Qingdao Ailun |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | AL-AC140 |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Laboratory-Based Analyzer |
| Measurement Principle | Acid Digestion + Molybdenum Blue Colorimetry |
| Measurement Range | 0–10 mg/L (expandable and adjustable) |
| Detection Limit | 0.01 mg/L |
| Repeatability | ≤5% RSD |
| Zero Drift | ≤0.01 mg/L |
| Span Drift | ≤1.0% over 24 h |
| Measurement Cycle | 20–120 min (adjustable in 1-min increments) |
| Digestion Time | Configurable |
| Sampling Interval | 10–9999 min or on-the-hour mode |
| Calibration Interval | 1–99 days, user-definable start time |
| Maintenance Interval | Monthly (~30 min per session) |
| Output Interfaces | RS-232, RS-485, 4–20 mA (optional) |
| Environmental Requirements | Indoor controlled temperature (+5 to +28 °C), humidity ≤90% non-condensing |
| Power Supply | AC 230 ±10 V, 50 ±10 Hz, 5 A |
| Accuracy (Standard Solution) | ±8.0% at 2.0 mg/L, ±5.0% at 5.0 mg/L, ±3.0% at 8.0 mg/L |
| Memory Effect | ≤0.3 mg/L at 2.0 mg/L standard, ≤0.2 mg/L at 8.0 mg/L standard |
| Field Sample Comparison | ≤0.2 mg/L for samples <2.0 mg/L |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Model | WA653 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | UV-Vis Spectrophotometry (with Integrated Digestion) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.5 nm |
| Photometric Accuracy (Transmittance) | < ±0.5% T |
| Photometric Repeatability | < ±0.2% T |
| Stray Light | < 0.05% T |
| Optical Stability | ±0.002 A/h |
| Detection Limit | 0.01 mg/L (for TN, TP, NH₃-N, COD) |
| Resolution | 0.001 mg/L |
| Measurement Range | Total Nitrogen (TN): 2–15,000 mg/L |
| Total Phosphorus (TP) | 1–10 mg/L |
| Ammonia Nitrogen (NH₃-N) | 0.01–30 mg/L |
| Chemical Oxygen Demand (COD) | 0.02–100 mg/L |
| Measurement Error | TN < ±8%, TP < ±5%, NH₃-N < ±5%, COD < ±5% |
| Digestion Temperature Control | TN: 122 °C ±0.5 °C |
| TP | 120 °C ±0.5 °C |
| COD | 165 °C ±0.5 °C |
| Digestion Time | TN: 40 min |
| TP | 30 min |
| NH₃-N | 10 min |
| COD | 10 min |
| Sample Throughput | Up to 16 samples (TN/TP/COD), up to 20 samples (NH₃-N), with optional expansion |
| Display | 65K-color TFT LCD |
| Data Storage | 40,000 measurement records + 200 preloaded calibration curves |
| Interface | USB |
| Brand | BEIYU TECHNOLOGIES |
|---|---|
| Origin | Shanghai, China |
| Model | CTP-700 |
| Compliance | GB 11893–1989, HJ 636–2012 |
| Measurement Principle | Ammonium Molybdate Spectrophotometry after High-Temperature Acid Digestion |
| Automation Level | Fully Automated Sample Handling, Digestion, Dilution, Colorimetric Detection, and Data Reporting |
| Detection Wavelength | 700 nm (fixed) |
| Sample Throughput | Up to 48 samples per batch (with optional 48-position autosampler) |
| Digestion Temperature Range | Ambient to 180 °C (programmable, ±1 °C accuracy) |
| Pressure Rating | ≤ 1.5 MPa for digestion vessels |
| Reagent Monitoring | Real-time level sensing with threshold alerts |
| LIMS Interface | ASTM E1384-compliant bidirectional data exchange via TCP/IP and RS232 |
| Safety Certification | CE-marked per EN 61010-1:2010 for laboratory equipment |
| Brand | Brookfield |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | BPN-63A |
| Measurement Parameters | Total Phosphorus (TP) and Total Nitrogen (TN) |
| Instrument Type | Laboratory-Based Analyzer |
| Measurement Principle | Spectrophotometry (UV-Vis) |
| Compliance Standards | HJ 636–2012 (Alkaline Potassium Persulfate Digestion UV Spectrophotometric Method for TN), GB 11893–1989 (Ammonium Molybdate Spectrophotometric Method for TP) |
| Sample Throughput | Batch Processing with Independent Digestion Zones |
| Digestion System | Multi-position High-Pressure Sealed Micro-Digestion Vessels |
| Automation Level | Full Workflow Automation (Reagent Dispensing, Digestion, Cooling, Mixing, Detection, Data Acquisition, Reporting) |
| Reagent Management | Dual Independent Peristaltic Pumps with Real-Time Level Monitoring and Low-Level Alarm Shutdown |
| Robotic Handling | Fully Enclosed Corrosion-Resistant 3-Axis Electric Manipulator with Precision Gripper for Cap Opening/Closing |
| Integration Capability | Standalone Operation or Pre-treatment Module for Coupling with Flow Injection Analysis (FIA) Systems |
| Brand | EXPEC |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | SUPEC 5000 TPTN |
| Application | Total Phosphorus (TP) and Total Nitrogen (TN) |
| Instrument Type | Laboratory-Based Analyzer |
| Measurement Principle | Spectrophotometry (UV-Vis) with Potassium Persulfate Digestion |
| Compliance Standards | GB 11893, HJ 636, National Surface Water Monitoring Guidelines |
| Safety Features | 9-layer pressure vessel safety protection, automated lid actuation, 120 °C precision temperature control |
| Automation Level | Full walk-away operation from sample loading to report generation |
| Sample Throughput | Batch processing with customizable multi-tube sample trays |
| Reagent Delivery | Independent parallel multi-channel injection system |
| Detection System | Dual-wavelength UV-Vis spectrophotometric detection module |
| Robotic Platform | High-precision articulated robotic arm with cup-position recognition |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | IL500 |
| Application | Total Nitrogen (TN) |
| Instrument Type | Laboratory Analyzer |
| Measurement Principle | Spectrophotometry (UV absorbance at 210 nm and 228 nm) |
| Digestion Method | Alkaline Potassium Persulfate Oxidation (150 °C, 8 bar) |
| Measurement Range | Low Range: 0.5–30 mg/L TN |
| High Range | 30–150 mg/L TN |
| Accuracy | <2% at 15 mg/L TN |
| Detection Limit | 0.5 mg/L TN |
| Resolution | 0.1 mg/L |
| Sample pH Range | 2–11 |
| Particle Tolerance | Up to 100 µm |
| Calibration | Single- or Multi-point |
| Auto-sampler Options | 36-position (with stirring) or 53-position (without stirring) |
| Display | Color LCD |
| Weight | Digestion/Analysis Unit: 40 kg |
| Auto-sampler | 5 kg |
| Communication | RS232 & Wireless Infrared |
| Compliance | Designed for ASTM D1426, ISO 11905-1, EPA 351.2, and USP <643> alignment |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Application | Laboratory Use |
| Measured Parameter | Total Phosphorus |
| Measurement Principle | Acidic Persulfate Digestion + Ammonium Molybdate Colorimetry at 880 nm |
| Measurement Range | 0.01–3.8 mg/L as PO₄–P |
| Accuracy | <2% at 1 mg/L |
| Detection Limit | 0.01 mg/L |
| Resolution | 0.001 mg/L |
| Sample pH Range | 2–10 |
| Digestion Conditions | 150 °C, 6 bar |
| Particle Tolerance | Up to 100 µm |
| Calibration Method | Single- or Multi-point |
| Auto-sampler Options | 36-position (with stirring) or 53-position (without stirring) |
| Display | Color LCD |
| Weight | 40 kg (digestion/analysis unit), 5 kg (auto-sampler) |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | NPW-160 |
| Measurement Parameters | Total Phosphorus (TP), Total Nitrogen (TN), UV-based Chemical Oxygen Demand (UV-COD) |
| Instrument Type | Online Analyzer |
| Measurement Principle | Alkaline Persulfate Oxidation + Spectrophotometry (TP: Molybdenum Blue at 700 nm |
| TN | UV Absorbance at 220/275 nm with Turbidity Correction |
| UV-COD | Dual-wavelength UV-Vis at 254/546 nm) |
| Measurement Ranges | TN: 0–2 mg/L to 0–100 mg/L |
| TP | 0–0.5 mg/L to 0–20 mg/L |
| UV-COD | 0–20 mg/L to 0–500 mg/L |
| Accuracy | ≤ ±5% of reading |
| Detection Limits | TN: 0.2 mg N/L |
| TP | 0.06 mg P/L |
| Resolution | 0.001 mg/L |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | NPW160H Total Phosphorus and Total Nitrogen Analyzer |
| Measurement Parameters | Total Nitrogen (TN), Total Phosphorus (TP) |
| Instrument Type | Online Analyzer |
| Measurement Principle | High-Temperature Alkaline Persulfate Digestion Followed by Spectrophotometric Detection (UV at 220 nm for TN |
| Measurement Range | TP: 0–0.5 mg/L to 0–20 mg/L |
| TN | 0–2 mg/L to 0–100 mg/L |
| Accuracy | ≤3% of reading |
| Detection Limit | ≤3% of full scale |
| Resolution | As per configured range |
| Repeatability | ≤3% |
| Cycle Time | Configurable from 1 hour to 24 hours per measurement |
| Sample Flow Rate | 1–3 L/min (sample volume ~35 mL per analysis) |
| Sample Inlet Temperature | 2–40 °C |
| Operating Ambient Temperature | 5–40 °C |
| Relative Humidity | ≤85% RH, non-condensing |
| Data Storage | Internal memory retains 1 year of data and logs |
| Dimensions (H×W×D) | 450 × 380 × 1280 mm (excluding drip tray) |
| Weight | ~76 kg (excluding reagents) |
| Communication Interface | RS-485 (Modbus RTU protocol) |
| Digestion Conditions | 120 °C, 30 min alkaline persulfate oxidation |
| Compliance | ASTM D5176 (TP), ASTM D4519 (TN), ISO 15681-1, HJ 636–2012 (China), GB 11893–1989 (China) |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | NT6800 |
| Measurement Parameter | Total Nitrogen (TN) |
| Instrument Type | Online Analyzer |
| Measurement Principle | Alkaline Potassium Persulfate Digestion + UV-Visible Spectrophotometry |
| Measurement Range | 0–5 / 10 / 20 / 50 / 100 / 200 mg/L (field-configurable upper limit compliant with HJ 355–2019 |
| Detection Limit | 0.05 mg/L |
| Display Resolution | 0.1 / 0.01 / 0.001 / 0.0001 mg/L (selectable 3-, 4-, or 5-digit display) |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | Phosphax Sigma |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Online Analyzer |
| Measurement Principle | Spectrophotometric Method (Molybdenum Blue) |
| Measurement Range | Total Phosphorus: 0.01–5.0 mg/L as P |
| Accuracy | ±2% of reading |
| Detection Limit | 0.01 mg/L as P |
| Resolution | 0.01 mg/L as P |
| Orthophosphate Range | 0.01–5.0 mg/L as P |
| Cycle Time | ~10 minutes per analysis |
| Calibration | Automatic |
| Sample Flow Rate | 100 mL/h |
| Reagent Replacement Interval | Every 3 months |
| Output Signals | Two isolated 4–20 mA analog outputs (max. load 500 Ω) |
| Communication Protocols | Modbus RTU, Profibus DP |
| Operating Temperature | 5–40 °C |
| Power Supply | 220 VAC, 50 Hz |
| Compliance | DIN 38405-Part D11 (German Standard for Phosphorus Determination) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | TPNA-300 |
| Measurement Principle | Alkaline persulfate/UV oxidation followed by UV-Vis spectrophotometry (TN) |
| Detection Range (Standard) | TN: 0–2 mgN/L, TP: 0–0.5 mgP/L |
| Detection Range (1-Stage Dilution) | TN: 0–5/10/20/50 mgN/L, TP: 0–1/2/5/10 mgP/L |
| Detection Range (2-Stage Dilution) | TN: 0–100/200/500/1000 mgN/L, TP: 0–20/50/100/250 mgP/L |
| Repeatability | ±3% FS (standard & 1-stage), ±5% FS (2-stage) |
| Sample Temp. | 2–40 °C |
| Flow Rate | 0.5–5 L/min |
| Analysis Cycle Time | 60 min |
| Analog I/O | 4–20 mA / 0–16 mA configurable |
| Power Supply | AC 100 V ±10 V, 50/60 Hz, ≤400 VA |
| Dimensions | 460 W × 380 D × 1500 H mm |
| Weight | ~80 kg |
| Enclosure Color | Munsell 5PB8/1 |
| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | 3600 |
| Measurement Parameters | Total Phosphorus (TP) & Total Nitrogen (TN) |
| Instrument Type | Laboratory-Based |
| Measurement Principle | Spectrophotometry (UV-Vis) |
| Compliance | GB/T 11893–1989 (TP), GB/T 11894–1989 (TN), HJ 636–2012, HJ 637–2012 |
| Brand | JiDa-Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | GDYS-101SL |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Portable |
| Measurement Principle | Colorimetric Method (Standardized Molybdenum Blue Reaction per GB 11906–1989) |
| Measurement Range | 0.00–1.00 mg/L |
| Accuracy | ±5% of reading |
| Detection Limit | 0.02 mg/L |
| Brand | KC Starlight |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | XG310 |
| Price | USD 2,450 (FOB) |
| Measured Parameter | Total Phosphorus |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Spectrophotometry (Ammonium Molybdate Method) |
| Measurement Range | 0–20 mg/L |
| Accuracy | ≤ ±2% |
| Detection Limit | 0.02 mg/L |
| Resolution | 0.001 mg/L |
| Brand | KEM (Kyoto Electronics Manufacturing) |
|---|---|
| Origin | Japan |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | WPA-1000 |
| Measurement Parameters | Total Phosphorus (TP) and Total Nitrogen (TN) |
| Instrument Type | Online Continuous Analyzer |
| Measurement Principle | Spectrophotometry (Molybdate Blue for TP |
| Measurement Range | TP: 0–0.5 mg P/L or 0–1 mg P/L (standard) |
| TN | 0–2 mg N/L or 0–5 mg N/L (standard) |
| Accuracy | ±2% of full scale (FS) |
| Detection Limit | 0.01 mg/L |
| Resolution | 0.001 mg/L |
| Optional Dilution Ratio | 2× to 500× |
| Sample Inlet Capacity | Up to 3 independent sample streams via automated selector valve |
| Waste Separation | Integrated dual-waste channel system |
| Reagent Delivery | Positive-displacement peristaltic pumping with quick-change cartridge design |
| Onboard Calculation | Real-time pollutant load estimation (kg/day) based on flow rate integration |
| Brand | Kyoritsu |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | WAK Series (e.g., WAK-NH4, WAK-NO2, WAK-NO3, WAK-TN･i) |
| Price Range | USD 36–40 per reagent pack |
| Measured Parameter | Total Nitrogen (TN), Ammonia Nitrogen (NH₄⁺-N), Nitrite Nitrogen (NO₂⁻-N), Nitrate Nitrogen (NO₃⁻-N) |
| Instrument Type | Portable Colorimetric Field Test Kit |
| Measurement Principle | Standardized Colorimetric Methods (e.g., Indophenol Blue for NH₄⁺, Diazotization for NO₂⁻, Cadmium Reduction + Diazotization for NO₃⁻, Persulfate Digestion + UV Absorption or Hydrazine Reduction for TN) |
| Brand | Kyoritsu |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | WAK-PO4 Total Phosphorus Colorimetric Test Kit |
| Price Range | USD 34–39 |
| Measured Parameter | Total Phosphorus |
| Instrument Type | Laboratory |
| Measurement Principle | Ascorbic Acid-Molybdate Blue Colorimetry |
| Measurement Range | 0.2–10 mg/L as P |
| Brand | Kyoritsu |
|---|---|
| Origin | Japan |
| Product Type | Imported Reagent-Based Water Quality Test Kit |
| Model | WAK-PO4(D) |
| Measurement Parameter | Orthophosphate (as PO₄³⁻) and Phosphate Phosphorus (as P) |
| Detection Range | 0.05–2 mg/L (as PO₄³⁻) |
| Reaction Time | 5 minutes |
| Test Capacity | 50 determinations per kit |
| Instrument Category | Laboratory-Use Colorimetric Test Kit |
| Measurement Principle | Ascorbic Acid-Molybdate Blue Method (Standard Spectrophotometric Color Development) |
| Brand | Kyoritsu |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | WAK-TN-i-3 |
| Measuring Parameter | Total Inorganic Nitrogen (TIN) |
| Instrument Type | Laboratory-Use Colorimetric Test Kit |
| Measurement Principle | Cadmium Reduction + Diazotization-Coupling Spectrophotometry (Standardized Derivative of ISO 11908 & ASTM D1426) |
| Measurement Range | 0–100 mg/L as N |
| Reaction Time | 20 minutes |
| Test Capacity | 40 determinations per kit |
| pH Compatibility | 0–100 (non-applicable — corrected to assay buffer-controlled range: pH 6.5–7.5 during reaction) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DGB-428 |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Portable |
| Measurement Principle | Molybdate Spectrophotometry (650 nm LED) |
| Measurement Range | 0.000–1.000 mg/L |
| Accuracy | ≤ ±10% |
| Detection Limit | 0.05 mg/L |
| Resolution | 0.001 mg/L |
| Calibration | Up to 5-point user-defined calibration |
| Display | Backlit LCD with adjustable contrast and backlight duration |
| Protection Rating | IP65 |
| Power Supply | 4 × AA alkaline batteries or USB 5 V DC |
| Interface | USB for data transfer, printer connection, and firmware update |
| Operating Environment | 5–35 °C, 0–85% RH |
| Dimensions | 220 × 85 × 50 mm |
| Weight | ~0.4 kg |
| Cuvette | 16 mm OD × 100 mm, 10 mL capacity |
| Data Management | GLP-compliant storage, review, deletion, and print export |
| Brand | LeiCi |
|---|---|
| Model | TP-585 |
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Online Analyzer |
| Measured Parameter | Total Phosphorus (TP) |
| Measurement Range | 0–50 mg/L |
| Accuracy | ±10% of reading (as per actual water sample comparison) |
| Repeatability | ≤±10% |
| Minimum Measurement Cycle | 40 min (adjustable from 5–120 min) |
| Digestion Time | Configurable |
| Sampling Interval | 20–9999 min, with on-the-hour measurement option |
| Calibration Frequency | 1–99 days, user-definable start time |
| Maintenance Interval | ~30 min per month |
| Analog Output | 1 × 4–20 mA (optional 2-channel) |
| Communication Interface | RS232 or RS485 |
| Digital I/O | 1–6 relay outputs (220 VAC / 2 A) |
| Operating Environment | +5 to +28 °C, ≤99% RH (non-condensing) |
| MTBF | ≥720 h |
| Dimensions (W×D×H) | 1430 × 500 × 403 mm |
| Display & Control | Touchscreen interface with local command input |
| Data Retention | Non-volatile memory preserves configuration and logs during power loss |
| Auto-Recovery | Full system reset and residual reagent purge upon power restoration or fault recovery |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | TP-585 |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Online Analyzer |
| Measurement Range | 0–50 mg/L |
| Accuracy | ±10% of reading |
| Repeatability | ≤±10% |
| Minimum Measurement Cycle | 40 min (adjustable from 5–120 min) |
| Digestion Time | Configurable |
| Sampling Interval | 20–9999 min (programmable) or on-the-hour mode |
| Calibration Interval | 1–99 days (user-defined) |
| Maintenance Interval | ~30 min per month |
| Analog Output | 1 × 4–20 mA (optional 2 channels) |
| Communication Interface | RS232 or RS485 |
| Digital I/O | 1–6 relay outputs (220 VAC / 2 A) |
| Operating Environment | +5 to +28 °C, ≤99% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50 Hz ±1%, 5 A |
| Dimensions | 1430 × 500 × 403 mm |
| MTBF | ≥720 h |
| Data Retention | Non-volatile memory preserves settings and logs during power loss |
| Display & Control | Integrated touch screen interface |
| Self-Diagnostic Capability | Real-time fault detection with alarm prompts |
| Auto-Cleaning | Integrated sampling line cleaning function |
| Valve System | Multi-port corrosion-resistant valve assembly |
| Tubing | Imported modified PTFE transparent tubing (ID >1.5 mm) |
| Brand | Lianhua Tech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | 5B-6P(V10) |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Spectrophotometry (Molybdenum Blue Method) |
| Measurement Range | 0–100 mg/L as P |
| Accuracy | ≤ ±5% of reading |
| Display | 5.6-inch color touchscreen interface |
| Data Storage Capacity | 12,000 measurement records |
| Data Output | USB port, infrared wireless transfer, built-in thermal printer |
| Calibration | Automated standard curve generation and storage using user-provided reference standards |
| Curve Fitting | User-definable polynomial or linear calibration curve fitting |
| Sample Formats | Cuvette-based (10 mm pathlength) and tube-based (16 mm diameter) measurement modes |
| Reagent Compatibility | Pre-formulated high-range and low-range total phosphorus reagent kits (acid digestion + molybdate-ascorbic acid color development) |
| Brand | Lianhua Tech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-T3TP |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Spectrophotometry (Molybdenum Blue Method per GB 11893–1989) |
| Measurement Range | 0–12 mg/L (multi-segment calibration) |
| Accuracy | ±8% FS (Full Scale) |
| Display | 3.5-inch TFT color LCD with analog-style UI |
| Light Source | Cold LED with narrow-band interference filter (rated lifetime ≥100,000 hours) |
| Sample Holders | Compatible with φ16 mm round cuvettes and 30 mm square cuvettes |
| Calibration Options | 15 pre-programmed calibration curves across 3 operating modes |
| Data Storage | 5,000 measurement records with timestamp and result value |
| Included Accessory | LH-A109 9-position digital digestion block (pre-configured for phosphorus digestion per standard protocols) |
| Brand | Lianhua Technology |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-P3TP |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Portable |
| Measurement Principle | Spectrophotometry (Molybdenum Blue Method) |
| Measurement Range | 0–100 mg/L as P |
| Accuracy | ≤ ±8% |
| Display | 3.5-inch color TFT LCD with dial-style UI |
| Built-in Calibration Curves | 20 pre-programmed curves with user calibration capability |
| Optical Calibration Support | Yes, for LED intensity stabilization |
| Over-range Indication | Visual red alert on dial interface |
| Reagent Compatibility | Pre-formulated liquid reagent kits supplied by Lianhua Technology |
| Compliance | Designed to meet standard requirements of HJ 670–2013 (Chinese EPA method for total phosphorus in water), compatible with ISO 6878:2004 and ASTM D515-89 (revised) |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | LH-TN360 |
| Measurement Parameter | Total Nitrogen (TN) |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | UV Spectrophotometry after Alkaline Potassium Persulfate Digestion |
| Measurement Range | 0–100 mg/L as N |
| Accuracy | ≤ ±5% |
| Display | 7-inch Color TFT LCD with Optional Chinese/English UI |
| Data Storage | 5000 Sample Records with Power-Fail Protection |
| Calibration Curves | 25 Preloaded (20 Standard + 5 User-Fit) |
| Connectivity | USB 2.0, Infrared Interface, Optional Thermal Printer Support |
| Compliance | HJ 636–2012 |
| Brand | Online Instrument |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OL 5012 |
| Measurement Parameters | Total Phosphorus (TP) & Total Nitrogen (TN) |
| Instrument Type | Laboratory-Based Analyzer |
| Measurement Principle | Spectrophotometry (UV-Vis) |
| TP Range | 0.04–1.2 mg/L |
| TN Range | 0.2–7 mg/L |
| Accuracy | <2% for both TP and TN |
| Detection Limit | TP: 0.01 mg/L |
| TN | 0.05 mg/L |
| Resolution | 0.001 mg/L |
| Brand | Online Instrument |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OL3006 |
| Measurement Parameters | Total Phosphorus (TP) and Total Nitrogen (TN) |
| Instrument Type | Portable |
| Measurement Principle | Spectrophotometry |
| TP Range | 0.04–1.2 mg/L |
| TN Range | 0.2–7 mg/L |
| Accuracy | ±5% |
| Detection Limit | TP ≤ 0.01 mg/L |
| Resolution | 0.001 mg/L |