Water Quality Analysis
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| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W510 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Detection Principle | Photometric (Absorption Spectrophotometry) |
| Detectable Metals | Multi-parameter (e.g., Pb, Cd, Cr, Cu, Zn, Ni, As, Hg via compatible reagent kits) |
| Analysis Time | ≤10 minutes per sample |
| Accuracy | ≤±5% |
| Repeatability | ≤±2% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤±0.005 Abs / 20 min |
| Display | 8-inch HD color capacitive touchscreen |
| Language Support | English & Chinese |
| Sample Holders | Dual-position — 360° rotatable cuvette holder & standard 25 mm round cuvette slot |
| Light Source | Imported long-life cold LED (≥100,000 h) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Data Storage | Up to 1,000,000 measurement records |
| Connectivity | USB interface |
| Output Modes | Concentration (mg/L, µg/L) or Absorbance (Abs) |
| Printer | Built-in thermal printer |
| Housing Material | Corrosion- and heat-resistant ABS |
| Dimensions (W×D×H) | 392 × 315 × 170 mm |
| Brand | Doctor Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W880 |
| Instrument Type | Portable BOD Analyzer |
| Measurement Principle | Microbial Electrode Method |
| Measurement Range | 2–4000 mg/L |
| Detection Limit | 2 mg/L |
| Accuracy | ≤ ±5% |
| Single-Sample Measurement Time | 7.8 min |
| Incubation Temperature Range | 1.5–40 °C |
| Display | 8-inch capacitive touchscreen (1024 × 768 IPS) |
| Operating System | Android-based embedded OS |
| Data Storage Capacity | 80 million records |
| Power Supply | Built-in 30,000 mAh Li-ion battery + AC adapter |
| Connectivity | USB, Wi-Fi, Bluetooth, 4G LTE |
| Compliance | HJ/T 86–2002, Standard Methods for the Examination of Water and Wastewater (4th Ed.) |
| Brand | Dr-Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W100 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Parameters | Turbidity, Color, Free Chlorine, Chlorine Dioxide, Total Hardness, Permanganate Index (COD<sub>Mn</sub>), Ammonia Nitrogen, Ozone, Urea, Iron, Manganese |
| Turbidity Ranges | 0–20 NTU / 0–200 NTU / 0–1000 NTU |
| Repeatability | ≤ ±2% |
| Accuracy | ≤ ±5% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Optical Resolution | 0.001 Abs |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Light Source | Imported Cold LED (Lifespan >100,000 h) |
| Sample Cell | 16 mm & 25 mm Cuvettes |
| Display | 5-inch HD Color Touchscreen |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Data Storage | 1,000,000 Records |
| Connectivity | USB Type-C (Charging & Data Transfer) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Readout Units | Concentration or Absorbance |
| Housing Material | Corrosion-Resistant ABS |
| Brand | Dr-Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W130 |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Photometric Accuracy | ≤±5% |
| Repeatability | ≤±2% |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤±0.005 Abs/20 min |
| Light Source | Imported Cold LED (Lifespan >100,000 h) |
| Display | 5-inch HD Color TFT Touchscreen |
| Sample Format | 16 mm & 25 mm Cuvettes |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Data Storage | Up to 1,000,000 Records |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Interface | USB Type-C (Charging & Data Transfer) |
| Housing Material | Corrosion-Resistant ABS |
| Readout Modes | Concentration & Absorbance |
| Turbidity Measurement Modes | Standard, Low-Turbidity, Signal-Averaging, and Rapid-Settling |
| Brand | Dr-Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W200 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Principle | Colorimetric Method |
| Measured Parameters | Turbidity (0–20 NTU / 0–200 NTU / 0–1000 NTU), Color, Free Chlorine, Chlorine Dioxide, Permanganate Index (COD<sub>Mn</sub>), pH, Odor & Taste, Visible Particulates, Total Coliforms, Heterotrophic Plate Count (HPC) |
| Repeatability | ≤ ±2% |
| Accuracy | ≤ ±5% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Optical Resolution | 0.001 Abs |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Display | 7-inch HD color TFT capacitive touchscreen |
| Light Source | Imported long-life cold LED (≥100,000 h) |
| Detection Positions | Dual-path 16 mm & 25 mm cuvette slots + dedicated electrode port |
| Calibration Modes | Blank, Factor, and Multi-point Curve Calibration |
| Data Storage | 1,000,000 records with timestamp, sample ID, and operator tag |
| Power Supply | Rechargeable Li-ion battery (field operation) + AC adapter (lab continuity) |
| Battery Diagnostics | Real-time SOC monitoring with low-power alert |
| Connectivity | USB 2.0 interface |
| Printing | Integrated thermal printer |
| Operating Environment | 0–50 °C, RH 0–95% (non-condensing) |
| Housing Material | Flame-retardant ABS with chemical resistance |
| Rated Power | 1.2 W |
| Brand | Dr-Water |
|---|---|
| Origin | Hunan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Dr-W690 |
| Detection Principle | Chlorophyll Fluorescence Method |
| Chlorophyll a Range | 0.01–500 µg/L |
| Cyanobacteria Range | 0–50 × 10⁶ cells/L |
| Detection Limit | 0.01 µg/L (Chl-a) / 1 × 10⁴ cells/L (Cyanobacteria) |
| Accuracy | ±5% FS |
| Resolution | 0.01 µg/L (Chl-a), 1 × 10⁴ cells/L (Cyanobacteria) |
| Measurement Time | 20 s |
| Display | 8-inch HD color TFT capacitive touchscreen |
| Sample Cell | Dedicated 10-mm square quartz cuvette |
| Data Storage | 1,000,000 records with timestamp, ID, and operator tag |
| Connectivity | USB 2.0 interface |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Operating Environment | 5–40 °C, RH <85% non-condensing |
| Housing Material | Flame-retardant ABS with IP54-rated enclosure |
| Brand | Dr-Water |
|---|---|
| Origin | Hunan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Dr-W850 |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Microbial Electrode Method |
| Measurement Range | 2–4000 mg/L |
| Detection Limit | 2 mg/L |
| Accuracy | ≤ ±5% |
| Single-Sample Analysis Time | 8 min |
| Incubation Temperature Range | 5–40 °C (ambient) |
| Display | 8-inch HD color capacitive touchscreen |
| Sample Volume | 50 mL |
| Data Storage Capacity | 1,000,000 records |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Rated Power | 48 W |
| Operating Humidity | <85% RH (non-condensing) |
| Microbial Membrane | Dry-layer immobilized biocatalyst membrane, non-toxic and biocompatible |
| Membrane Shelf Life | ≥12 months (dry storage at room temperature) |
| Active Service Life | ≥30 days post-hydration |
| Auto-sampling | Integrated peristaltic pump with multi-channel valve switching |
| Cleaning Mode | Fully automated rinse cycle |
| Oxygen Supply | Membrane-integrated pulsed oxygenation system |
| Thermal Control | Digital pulse-width modulated (PWM) ambient-temperature stabilization |
| Data Export | USB 2.0 interface |
| Built-in Thermal Printer | Yes |
| Brand | Dr-Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W960 |
| Instrument Type | Portable |
| Biological Indicator | Bioluminescent Bacteria (Aliivibrio fischeri, Vibrio qinghaiensis, Photobacterium phosphoreum) |
| Operating Temperature | 10–40 °C (ambient) |
| Detection Time | ≤15 min post-sample preparation |
| Light Detection Range | 300–1100 nm |
| Photodetector | Silicon Photomultiplier (SiPM) |
| Display | 5″ IPS Capacitive Touchscreen (1024×768) |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Data Connectivity | USB-C, Wi-Fi, Bluetooth 5.0, 4G LTE |
| Data Storage | ≥10 million test records |
| Compliance | ISO 11348-3, GB/T 15441-1995 |
| Toxicity Quantification | Relative Luminescence Inhibition (%) → Converted to Equivalent Toxic Unit (TU) or Reference Toxicant (e.g., ZnSO₄·7H₂O mg/L) |
| Accuracy | ±1% RSD (n=3, vs. certified reference standard) |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-WCl |
| Instrument Type | Portable |
| Measurement Principle | DPD Colorimetric Spectrophotometry |
| Measuring Parameter | Free Chlorine (Residual Chlorine) |
| Range | 0.02–2.00 mg/L |
| Accuracy | ≤ ±5% |
| Repeatability | ≤ ±2% |
| Resolution | 0.001 mg/L |
| LOD | 0.02 mg/L |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Display | 5-inch HD color TFT touchscreen |
| Light Source | Imported long-life cold LED (≥100,000 h) |
| Sample Cell | 16 mm and 25 mm round cuvettes |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Data Storage | Up to 1,000,000 records |
| Power Supply | Rechargeable Li-ion battery + AC adapter |
| Interface | USB Type-C (charging & data transfer) |
| Print Output | Built-in thermal printer |
| Readout Modes | Concentration (mg/L) and Absorbance (Abs) |
| Housing Material | Corrosion- and heat-resistant ABS |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-YZ60 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Parameters | pH, Dissolved Oxygen (DO), Ammonia Nitrogen (NH₃-N), Nitrate Nitrogen (NO₃⁻-N), Nitrite Nitrogen (NO₂⁻-N), Water Temperature |
| pH Measurement Range | 6.5–8.5 pH |
| Repeatability | ≤ ±2% |
| Accuracy | ≤ ±5% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Optical Resolution | 0.001 Abs |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Light Source | Imported Cold Light LED (Lifespan > 100,000 h) |
| Sample Cell | 16 mm & 25 mm Cuvettes |
| Display | 5-inch HD Color Touchscreen |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Data Storage Capacity | 1,000,000 Records |
| Interface | USB Type-C (Charging & Data Transfer) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Readout Modes | Concentration & Absorbance |
| Housing Material | Corrosion-Resistant ABS |
| Printing | Built-in Thermal Printer |
| Language Support | English & Chinese |
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | BD6-100 |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Manometric (Pressure-Difference) Method |
| Measurement Range | 0–4000 mg/L |
| Detection Limit | 1 mg/L |
| Accuracy | ±8% |
| Incubation Temperature | 20 °C ±1 °C |
| Temperature Control Range | 0–65 °C |
| Temperature Uniformity | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Sample Capacity | 6 independent channels |
| BOD Vial Volume | 580 mL |
| Data Storage Duration | 10 years |
| Battery Life | ≥2 years |
| Power Supply | AC 220 V, 50 Hz |
| Dimensions (W×D×H) | 480 × 390 × 780 mm |
| Shelf Configuration | 3 adjustable stainless-steel shelves |
| Optional Accessories | RS485 interface, 25 mm test port, USB port |
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | BD6-150-XII |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Manometric (Pressure-Difference) Method |
| Measurement Range | 0–4000 mg/L |
| Detection Limit | 1 mg/L |
| Accuracy | ±8% |
| Incubation Temperature | 20 °C ±1 °C |
| Resolution | 0.01 mg/L |
| Temperature Control Range | 0–65 °C |
| Temperature Uniformity | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Incubation Chamber Dimensions (W×D×H) | 480 × 390 × 780 mm |
| Sample Capacity | Up to 6 independent BOD bottles (580 mL each) |
| Data Storage Duration | 10 years |
| Battery Life | ≥2 years |
| Power Supply | AC 220 V, 50 Hz |
| Optional Interfaces | RS485, USB, 25 mm test port |
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | BD6-70 |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Manometric (Pressure-Difference) Method |
| Measurement Range | 0–4000 mg/L |
| Accuracy | ±8% |
| Single-Sample Test Duration | 1–30 days |
| Incubation Temperature | 20 °C ±1 °C |
| Resolution | 0.01 mg/L |
| Data Storage Capacity | 10 years |
| Battery Life | ≥2 years |
| Temperature Control Range | 0–65 °C |
| Temperature Uniformity | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Chamber Dimensions (W×D×H) | 450×320×500 mm |
| BOD Vial Capacity | 580 mL |
| Number of Independent BOD Channels | 6 |
| Built-in Stirring Function | Yes |
| Direct Digital Readout | Yes |
| Optional Interfaces | RS485, USB, 25 mm Test Port |
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Model | BD6-70 |
| Instrument Type | Laboratory BOD Analyzer |
| Principle | Mercury-Free Pressure-Difference Method (Dissolved Oxygen Depletion) |
| Incubation Temperature Range | 0–65 °C |
| BOD Measurement Range | 0–4000 mg/L |
| Resolution | 0.01 mg/L |
| Accuracy | ±8% |
| Temperature Uniformity | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Max. Sample Channels | 6 |
| Incubation Chamber Dimensions (W×D×H) | 450 × 320 × 500 mm |
| Data Storage Duration | 10 years |
| Battery Life | ≥2 years |
| Power Supply | AC 220 V, 50 Hz |
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-made) |
| Model | BD6-70E |
| Price Range | USD 4,200 – 7,000 |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Range | 0–4000 mg/L |
| Detection Limit | 1 mg/L |
| Accuracy | ±8% |
| Single-Sample Incubation Duration | 1–30 days |
| Incubation Temperature | 20 °C ±1 °C |
| Resolution | 0.01 mg/L |
| Temperature Stability | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Sample Capacity | 6 independent channels |
| Cultivation Vessel Volume | 580 mL |
| Data Storage Duration | 10 years |
| Battery Life | ≥2 years |
| Power Supply | AC 220 V, 50 Hz |
| Dimensions (W×D×H) | 450×320×500 mm |
| Shelf Quantity | 2 adjustable stainless-steel shelves |
| Communication Interface | RS485 (optional), USB (optional), Bluetooth data upload & print (standard) |
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Model | BD6-70E |
| Instrument Type | Laboratory BOD Analyzer |
| Principle | Manometric (Pressure-Difference) Method |
| Temperature Range | 0–65 °C |
| BOD Measurement Range | 0–4000 mg/L |
| Accuracy | ±8% |
| Incubation Temperature Setting | 20 °C ±1 °C |
| Temperature Uniformity | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| BOD Resolution | 0.01 mg/L |
| Test Duration | 1–30 days |
| Sample Capacity | 6 independent channels |
| Data Storage Duration | 10 years |
| Battery Life | ≥2 years |
| Power Supply | AC 220 V, 50 Hz |
| Dimensions (W×D×H) | 450×320×500 mm (chamber), 275×185×75 mm (analyzer unit) |
| Internal Chamber Material | Mirror-finish stainless steel |
| Door Seal | Magnetic gasket |
| Control System | Microprocessor-based 30-segment programmable controller |
| Communication Options | RS485 (optional), USB (optional), Bluetooth data export (standard on BD6-70E) |
| Compliance | Designed for ASTM D5210, ISO 5815-1, and EPA Method 405.1 workflows |
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Model | BOD-100CP-VI |
| Instrument Type | Laboratory BOD Analyzer & Incubator |
| Principle | Manometric Pressure-Difference Method |
| Measurement Range | 0–4000 mg/L |
| Detection Limit | 1 mg/L |
| Accuracy | ±8% |
| Temperature Control Range | 0–65 °C |
| Temperature Uniformity | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Incubation Temperature Setpoint | 20 °C ±1 °C |
| Sample Capacity (Incubator) | 450 × 380 × 590 mm (W×D×H) |
| Independent Test Channels | Up to 6 |
| Data Storage Duration | 10 years |
| RS485 Interface | Yes |
| Built-in Power Outlet & 25 mm Test Port | Yes |
| Auto Temperature Compensation | Yes |
| Real-time Curve Logging & Export | Yes |
| Data Upload Capability | Yes |
| Battery Backup | Yes |
| Programmable Stages | 30-segment microprocessor controller |
| Origin | Italy |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | EasyChem 200 |
| Pricing | Upon Request |
| Instrument Type | Multi-Parameter Ion Analyzer |
| Brand | SYSTEA |
|---|---|
| Model | EasyColi |
| Measurement Principle | Standard Enzyme-Substrate Method (MPN, P/A, TTD) |
| Compliance | HJ 1001-2018, ISO 9308-1:2014 |
| Detection Limit | 1 MPN/100 mL |
| Upper Detection Range | >20,000 MPN/100 mL |
| Sample Throughput | 28 fully automated MPN tests per cycle |
| Sample Independence | Individual incubation chambers per sample |
| Integrated Cleaning Station | Yes |
| Regulatory Support | GLP-compliant data logging, audit trail enabled |
| Software Interface | Touchscreen GUI with real-time assay progress visualization |
| Application Scope | Surface water, drinking water, groundwater, recreational bathing waters, municipal wastewater, industrial effluents |
| Brand | SYSTEA |
|---|---|
| Origin | Zhejiang, China |
| Model | EasyTox Max |
| Detection Principle | Bioluminescent Bacterial Inhibition Assay (using *Aliivibrio fischeri*, *Photobacterium phosphoreum*, or *Vibrio qinghaiensis* Q67) |
| Toxicity Output | % Inhibition (qualitative) and EC50 (quantitative, 160× dilution capability) |
| Measurement Frequency | As fast as 2.5 min/cycle |
| Exposure Time | Programmable from 5 min to 24 h |
| Compliance | ISO 11348-3, GB/T 15441 |
| Reagent Storage | Integrated 4–8 °C refrigerated compartment |
| Cleaning | Automated washing station with dedicated rinse cycles |
| Control Interface | Industrial-grade capacitive touchscreen with full programmability |
| Bacterial Maintenance Interval | 8–16 weeks (with on-board reactivation of lyophilized cultures) |
| Brand | SYSTEA |
|---|---|
| Model | EasyTox |
| Measurement Principle | Bioluminescence Inhibition Assay using Marine Luminescent Bacteria (Aliivibrio fischeri, Vibrio qinghaiensis sp.-Q67, or Photobacterium phosphoreum) |
| Compliance | ISO 11348-3, GB/T 15441 |
| Detection Mode | Qualitative (Inhibition Rate %) and Quantitative (EC₅₀) |
| Dilution Range | Up to 160× automated dilution |
| Measurement Interval | 60 s per sample cycle |
| Bacterial Culture Maintenance Interval | 7–14 days |
| Reagent & Control Storage | Integrated 4–8 °C refrigerated compartment |
| Cross-Contamination Control | Dedicated cleaning station with multi-stage rinse protocol |
| User Interface | Programmable touchscreen HMI with full workflow automation |
| Sample Types | Surface water, drinking water, groundwater, municipal wastewater, industrial effluent, seawater |
| Brand | SYSTEA |
|---|---|
| Origin | Zhejiang, China |
| Model | EasyTox Pro |
| Measurement Principle | Bioluminescent Bacterial Assay (Aliivibrio fischeri) |
| Quantification Output | EC₅₀ (Half-Maximal Effective Concentration) |
| Analysis Platform | Automated Discrete Analyzer with Robotic Arm |
| Sample Throughput | Dual-channel simultaneous analysis |
| Reaction Vessel Capacity | 80-position rotating cuvette carousel |
| Signal Acquisition Interval | 60 s |
| Assay Duration | 2.5–30 min per sample |
| Bacterial Rehydration | Fully automated lyophilized culture reactivation |
| Operational Autonomy | Up to 90 days unattended (with refrigerated reagent/culture storage) |
| Regulatory Compliance | ISO 11348-3:2007 and GB/T 15441–1995 methods programmable |
| Data Integrity | Audit-trail-enabled software compliant with GLP/GMP documentation requirements |
| Refrigerated Storage Compartment | Dedicated 4 °C zone for lyophilized bacteria, controls, and reagents |
| Cross-Contamination Control | Integrated cleaning station with sequential rinse/flush protocols |
| QC Features | Real-time bioluminescence viability monitoring, dual parallel blank/sample measurement, automatic result validation logic |
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | EcaFlow |
| Instrument Type | Benchtop Laboratory Analyzer |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Analyte Scope | Multi-Parameter Heavy Metals & Inorganic Ions |
| Analysis Time | ≤3 min per sample |
| Detection Limit | 0.1 ppb (Cd, Pb, Hg) |
| Resolution | 0.1 ppb |
| Brand | ECH |
|---|---|
| Origin | Germany |
| Type | Laboratory Analyzer |
| Model | Sulfimax GX |
| Measurement Range | 0.01–10,000 ppm H₂S |
| Detection Limit | 0.01 ppm |
| Resolution | 0.1 µg absolute |
| Analysis Time | 2–10 min (typical: 5 min) |
| Sample Volume | 0.01–20 mL |
| Gas Flow Rate | up to 50 L/h |
| Power Supply | 230 V/50 Hz or 115 V/60 Hz |
| Power Consumption | 150 W |
| Dimensions (W×D×H) | 480 × 390 × 290 mm |
| Weight | 11 kg |
| Data Interface | RS-232 / USB (with converter) |
| Software Control | PC-based (PC not included) |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | eCHEM Free Chlorine |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Amperometric (3-Electrode, Membrane-Covered, Potentiostatic) |
| Measurement Parameter | Free Chlorine |
| Range | 0–2 mg/L and 0–20 mg/L |
| Accuracy | ±0.4 mg/L (≤2 mg/L range) |
| Temperature Compensation | Integrated Pt100 |
| Response Time (T90%) | ~2 min |
| Drift | ~1%/month |
| Membrane | Hydrophilic Microporous |
| Housing Material | PVC-U + Stainless Steel 1.4571 |
| Dimensions (L×Φ) | 205 mm × 25 mm |
| Weight | 0.1 kg |
| Interface | RS-485, Modbus RTU |
| Power Supply | 9–30 VDC (±10%) |
| Connector | 8-pin M12 |
| Power Consumption | 0.6 W |
| IP Rating | IP68 |
| Operating Temperature | 0–45 °C (liquid, ice-free) |
| Flow Rate Dependency | 15–30 L/h (in FLC-3 flow cell) |
| pH Range | 4–9 (low pH dependency: ~−10% signal change per pH unit) |
| Conductivity Range | 10–50 mS/cm |
| Cross-Sensitivity | Combined chlorine causes positive interference |
| Calibration Method | DPD-1 reference standard |
| Pressure Rating | 1 bar (static, no shock/vibration |
| Maintenance Interval | Weekly |
| Maintenance Time | ≤0.5 h/month |
| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 81180 |
| Price | Upon Request |
| Display | LCD |
| Operating Frequency | 200 kHz (Beam Width: 24°) |
| Depth Measurement Range | 0.6–80 m |
| Waterproof Rating | IP68 (50 m submersion rated) |
| Power Supply | 9 V alkaline battery (IEC 6F22 / ANSI 006P) |
| Brand | Eigenbrodt |
|---|---|
| Country of Origin | Germany |
| Model | NMO191 |
| Measurement Parameters | pH, Electrical Conductivity, Precipitation Intensity, Cumulative Precipitation Volume |
| Temperature-Controlled Measurement Chamber | 4–7 °C (active refrigeration with auto-defrost) |
| Collection Area | 500 cm² |
| Compliance | VDI 3870 (German Association of Engineers) |
| Enclosure | Double-walled insulated PVC housing |
| Sensor Interface | RS 85 precipitation sensor (standard), optional IRSS 88 or NRS 80 |
| Control System | SIEMENS® LOGO® programmable logic modules |
| Sample Handling Options | Single-bottle (5 L HD-PE), 8-day sequential (8 × 750 mL or 8 × 1000 mL HD-PE), with bottom-heated bottle tray |
| Materials | Chemically inert components throughout (HD-PE, borosilicate glass optional), corrosion-resistant fittings |
| Cooling System | FCKW-free plate-evaporator refrigeration unit with forced ventilation and particulate filter |
| Brand | Eigenbrodt |
|---|---|
| Country of Origin | Germany |
| Model | NSA 181 |
| Sampling Configurations | E-type (single 5–10 L HD-PE bottle), D-type (dual-week, two 5 L HD-PE bottles), S-type (8-day sequential, eight 1 L HD-PE bottles) |
| Heating | Bottom-heated sample bottles (D/S types) or heated collection chamber (E-type) |
| Control System | Siemens LOGO! programmable logic controller |
| Power Backup | Integrated rechargeable battery supporting ≥24 h operation during mains failure |
| Enclosure | Double-insulated PVC housing with automatic ventilation |
| Collection Area | 500 cm² polyethylene funnel compliant with VDI 3870 |
| Sensor Interface | RS 485-compatible precipitation sensor (e.g., RS 85, NRS 80, IRSS 88) |
| Materials | Chemically inert HD-PE, DURAN® borosilicate glass, or PTFE components |
| Data Logging | Integrated LCD timer + digital data recording system |
| Structural Base | Galvanized steel mounting frame |
| Compliance | Designed per VDI 3870 |
| Brand | Eigenbrodt |
|---|---|
| Country of Origin | Germany |
| Model | NSA181/K-TYPE |
| Sampling Configurations | E-type (single 5–10 L bottle), D-type (dual 5 L weekly bottles), S-type (eight 1 L daily bottles) |
| Collection Area | 500 cm² |
| Temperature Control Range | 3–10 °C (standard operating setpoint: 4–6 °C) |
| Cooling Medium | R134a (CFC-free) |
| Sensor Interface | RS 85 precipitation sensor (standard) |
| Enclosure | Double-walled insulated PVC cabinet |
| Materials | Chemically inert components (HD-PE, DURAN® borosilicate glass, quartz options available) |
| Compliance | VDI 3870-compliant funnel geometry and material specification |
| Control System | SIEMENS® LOGO! programmable logic controller |
| Brand | Eigenbrodt |
|---|---|
| Origin | Germany |
| Model | RS85 / RS85OP / NRS80 |
| Power Supply | 24 V DC/AC (RS85/RS85OP: max. 20 W |
| NRS80 | max. 700 mA, half-wave rectified) |
| Output | Dry-contact relay (NO/NC), 100 V DC / 250 V AC, 5 A, 1250 VA |
| Sensing Area | RS85/RS85OP ≈ 60 cm² |
| Activation | Instant on-rain detection |
| Deactivation Delay | 0–270 s adjustable in 30 s increments |
| Heating | Dual-stage proportional electronic heating (24 V DC) |
| Enclosure Rating | IP65 |
| Dimensions | RS85/RS85OP 83 × 83 × 85 mm, 700 g |
| Compliance | Designed for continuous outdoor deployment in meteorological and environmental monitoring networks |