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| Brand | LoHAN Tech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | 5B-6C(V12) |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurable Parameters | COD, Ammonia Nitrogen (NH₃-N), Total Phosphorus (TP), Total Nitrogen (TN), Turbidity, Color, Suspended Solids (SS) |
| Optical System | Dual-path interference-free photometric system supporting both cuvette and tube colorimetry |
| Integrated Digestion Unit | Yes, with intelligent temperature ramping, programmable timing, and thermal overprotection |
| Display | 5.6-inch full-color capacitive touchscreen |
| Data Storage Capacity | 16,000 measurement records |
| Connectivity | USB port + infrared data transmission |
| Built-in Thermal Printer | Yes |
| Calibration | Automated standard curve generation and storage using certified reference standards |
| Compliance | HJ/T 399–2007 (Rapid Digestion Spectrophotometric Method for COD), JJG 975–2002 (Verification Regulation for COD Analyzers) |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-A116 |
| Pricing | Upon Request |
| Digestion Method | Rapid Digestion |
| Heating Module | Single Aluminum Block Heater |
| Batch Capacity | 16 Samples |
| Temperature Range | 40–190 °C (User-Adjustable) |
| Temperature Accuracy | ±0.5 °C |
| Sample Volume Capacity | 0–10 mL |
| Timer Drift | ≤0.2 s/hour |
| Brand | LoHua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | LH-P305 |
| Product Type | Portable |
| Measurement Range | 0–2000 NTU |
| Resolution | 0.01 NTU (for values <10 NTU) |
| Operating Temperature | 5–40 °C |
| Accuracy | ±10% |
| Light Source | Dual-beam LED (White + Infrared) |
| Detection Principle | 90° Scattering + Transmission Ratio Method |
| Calibration | Multi-point calibration with automatic storage of latest calibration record |
| Display | 3.5-inch high-resolution color LCD with dial-style UI |
| Power | Rechargeable lithium battery (8 h typical operation), auto-off after 10 min idle, USB Type-C charging |
| Accessories Included | Formazin standard solution, sealed reaction tubes, light-shielding cap, adapter, silicone oil |
| Brand | LoHua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | LH-S760 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Methods | Photometry (Visible & UV), Electrochemical Analysis |
| Wavelength Range | 190–1100 nm |
| Electrode Support | 14 parameters |
| Photometric Parameters | >60 |
| Display | 10-inch HD capacitive touchscreen |
| Data Storage | ≥100,000 records (16 GB internal memory) |
| Input/Output | HDMI output, Wi-Fi, USB, optional printer support |
| Operating System | LHOS (Android-based) |
| Compliance | Designed for ISO 7027, ISO 8466-1, ASTM D1253, EPA 365.3, USP <643>, and GLP/GMP-aligned data integrity workflows |
| Brand | Lianhua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-A109 |
| Pricing | Upon Request |
| Digestion Method | Rapid Digestion |
| Heating Module | Single Aluminum Heating Block |
| Batch Capacity | 9 samples |
| Temperature Range | Ambient to 190 °C |
| Temperature Accuracy | ≤ ±2 °C |
| Sample Vial Capacity | 0–10 mL |
| Timer Drift | ≤ ±0.2 s per 60 min |
| Brand | Lianhua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory BOD Analyzer |
| Model | LH-BOD1201 |
| Measurement Principle | Differential Pressure Method |
| Measurement Range | 0–4000 mg/L |
| Detection Limit | 5 mg/L |
| Accuracy | ±10% |
| Incubation Duration | 5 days |
| Repeatability | ±3% |
| Sample Capacity | 12 independent channels |
| Display | Individual color LCD per test cap |
| Power Supply | Integrated rechargeable battery per sensor cap |
| Data Logging | Automatic time-stamped BOD₅ records with on-device history retrieval |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-E4ISE |
| Pricing | Available Upon Request |
| Instrument Type | Laboratory-Based Water Quality Analyzer |
| Detection Principle | Electrochemical Method |
| Brand | LoHua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LH-6F |
| Pricing | Upon Request |
| Digestion Method | Reflux Digestion |
| Heating Module | Black Crystal Heated Panel (Independent Zone Control) |
| Batch Capacity | 6 Samples |
| Temperature Range | Ambient to 400 °C |
| Temperature Accuracy | ±2 °C |
| Sample Vial Capacity | 0–10 mL |
| Timer Drift | ≤0.2 s/hour |
| Brand | LoHua Tech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | 5B-3B(V11) |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Absorption Photometry (Multi-Wavelength Optical Detection) |
| Wavelength Range | Programmable Multi-Wavelength (e.g., 420 nm, 470 nm, 620 nm, 700 nm) |
| Measurement Range | 0–15,000 mg/L (COD equivalent) |
| Accuracy | ≤ ±5–10% of reading |
| Repeatability | ≤ ±5–10% RSD |
| Detection Limit | 2–15,000 mg/L (method-dependent) |
| Analysis Time | COD < 20 min |
| Batch Capacity | 16 / 25 / 30 samples (user-selectable cuvette rack configuration) |
| Brand | Lianhua Technology |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LH-COD-K23 |
| Pricing | Available Upon Request |
| Brand | Lianhua Technology |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LH-COD-K21 |
| Pricing | Available Upon Request |
| Brand | Lianhua Technology |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-PO4-P11 |
| Pricing | Available Upon Request |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Regional Classification | Domestic (China) |
| Model | LH-S700 |
| Detector Type | Silicon Photocell |
| Wavelength Range | 190–1100 nm |
| Automation Level | Automatic Wavelength Scanning |
| Spectral Bandwidth | 2.0 nm |
| Wavelength Accuracy | ±0.5 nm (190–340 nm) |
| Wavelength Repeatability | ≤±0.2 nm (190–340 nm) |
| Stray Light | ≤0.2% at 220 nm and 360 nm |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-T3NHN |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Colorimetric Method (Nesslerization or Salicylate, per HJ 535–2009) |
| Measurement Range | 0–160 mg/L NH₃–N (multi-range segmented calibration) |
| Accuracy | ≤ ±8% of reading (at mid-range, per HJ 535–2009 validation protocol) |
| Display | 3.5-inch high-resolution color TFT LCD with analog-style UI |
| Light Source | Long-life cold LED source with narrow-band interference optical filtering (rated lifetime ≥100,000 hours) |
| Data Storage | Internal non-volatile memory for up to 5,000 measurement records (timestamp + numeric result) |
| Sample Vessels | Compatible with both 16-mm round glass cuvettes and 10-mm square quartz or optical-grade plastic cuvettes |
| Calibration Options | 15 pre-programmed calibration curves |
| Compliance | Designed and validated in accordance with HJ 535–2009 “Determination of Ammonia Nitrogen in Water—Nessler Reagent Spectrophotometric Method” |
| Brand | LoHua Tech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Rapid Digestion Spectrophotometry |
| Wavelength Configuration | Multi-Wavelength (610 nm for COD, 420 nm for Ammonia-N) |
| Measurement Range | COD: 0–15,000 mg/L (multi-range auto-segmentation) |
| Ammonia-N | 0–160 mg/L (multi-range auto-segmentation) |
| Accuracy | ≤ ±5% of reading |
| Repeatability | ≤ ±3% RSD |
| Detection Limit | 0.006 mg/L (Ammonia-N) |
| Analysis Time | <20 min (COD), <15 min (Ammonia-N) |
| Batch Capacity | 16 samples per run |
| Data Storage | 12,000 measurement records with timestamp, instrument parameters, and result metadata |
| Calibration | Onboard curve generation via standard solution input and linear/nonlinear regression |
| Connectivity | USB interface + optional infrared wireless module |
| Thermal Control | Adaptive power modulation for 16-position digestion block with over-temperature and time-delay safety cutoff |
| Built-in Thermal Printer | Supports on-demand printout of current/historical results |
| Brand | Lohan Tech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | LH-BOD301 |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Manometric Pressure-Difference Method |
| Measurement Range | 0–4000 mg/L |
| Detection Limit | 0.1 mg/L |
| Accuracy | ±0.1 mg/L (for BOD < 10 mg/L) |
| Incubation Duration | 1–30 days |
| Repeatability | ±10% |
| Compliance | HJ 505–2009 (China), ISO 9408:1999 |
| Power Supply | Integrated CR-P2 Lithium Battery (Test Cap Unit) |
| Display | 1.5-inch OLED |
| Data Storage | 100 test records (auto-overwrite) |
| Connectivity | Bluetooth-enabled mobile app integration |
| Brand | Lianhua Technology |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | LH-TN-K11 |
| Pricing | Available Upon Request |
| Brand | Lohan Technology |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-TA-K11 |
| Pricing | Upon Request |
| Brand | Lianhua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | LH-E300 |
| Instrument Type | Benchtop & Portable Laboratory Water Quality Analyzer |
| Measured Parameters | pH, Dissolved Oxygen (DO), Electrical Conductivity (EC), Salinity, Total Dissolved Solids (TDS), Oxidation-Reduction Potential (ORP), Temperature, and Ion Concentrations (F⁻, Cl⁻, Br⁻, I⁻, Ca²⁺, K⁺, Na⁺, NO₃⁻, NH₄⁺) |
| Brand | LoHua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | LH-3BA(V12) |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurable Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen, Turbidity, Colority, Suspended Solids (SS), Heavy Metals, Organic Pollutants, Inorganic Pollutants |
| Calibration Compliance | JJG-178 Class II Requirements for UV-Vis-NIR Spectrophotometers |
| Optical System | Imported Holographic Grating, Low Stray Light Design |
| Cuvette Compatibility | 10 mm, 20 mm, 30 mm Rectangular Cuvettes & φ16 mm Round Tubes |
| Light Sources | Plug-in Tungsten & Deuterium Lamps (Optical Alignment-Free Replacement) |
| Wavelength Switching | Dual-Wavelength UV Auto-Switching (for Total Nitrogen) |
| Preloaded Methods | 74 Measurement Modes, 360 Calibration Curves (277 Standard + 83 Fitted) |
| Data Storage | 12,000 Sample Records with Timestamp, Review, Thermal Printing & USB Export |
| Display | 7-inch Full-Color Touchscreen, Chinese UI |
| Optional Accessory | 30-Position Dual-Zone Multi-Parameter Digestion Unit (Independent Temperature Control per Zone) |
| Brand | LoHua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-C600 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen, Turbidity, Color, Suspended Solids, Heavy Metals, Organic & Inorganic Contaminants |
| Compliance Standards | HJ/T 399–2007 (COD), HJ 535–2009 (Ammonia Nitrogen), GB 11893–1989 (Total Phosphorus) |
| Operating System | LHOS (Android-based) |
| Light Sources | 8 LED sources (visible spectrum, fixed wavelengths) |
| Digestion Unit | Integrated dual-zone 12-position heater (6+6), supporting 16 mm / 25 mm tubes and 10 mm / 30 mm cuvettes |
| Power Supply | Rechargeable lithium battery (≥8 h continuous operation off-grid) |
| Connectivity | 4G, Wi-Fi, GNSS (BeiDou, GPS, GLONASS, Galileo) |
| Calibration | User-definable multi-point/single-point curve calibration with auto-log and recall |
| Customization | 20 user-defined test methods |
| Brand | Lianhua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | LH-OM20 |
| Instrument Category | Vortex Mixer |
| Control Modes | Continuous & Pulse (Touch-Activated) |
| Drive System | Imported Brushless DC Motor |
| Design | Compact, Portable, Low-Profile Benchtop Form Factor |
| Application Focus | Microvolume Liquid Homogenization (0.2–15 mL Tubes) |
| Brand | LoHua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-C700 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen, Heavy Metals, Organic Matter, Inorganic Ions, pH, Dissolved Oxygen (DO), Electrical Conductivity (EC), Oxidation-Reduction Potential (ORP), Turbidity |
| Regulatory Compliance | HJ/T 399–2007 (COD), HJ 535–2009 (Ammonia Nitrogen), GB 11893–1989 (Total Phosphorus), HJ 506–2009 (Dissolved Oxygen) |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | LH-P3SI |
| Instrument Type | Portable |
| Compliance Standard | GB/T 12149–2017 Industrial Circulating Cooling Water and Boiler Water — Determination of Silicon |
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