Online Automatic Water Quality Monitoring System
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| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | HE-480R |
| Sensor Input | Single-channel (electrode constant: 0.01 cm⁻¹) |
| Resistivity Range | 0–0.200 / 0–2.00 / 0–20.0 / 0–100.0 MΩ·cm |
| Alternate Range | 0–2.00 / 0–20.0 / 0–200.0 / 0–1000 kΩ·cm |
| Temperature Range | 0–100 °C (configurable 1- or 2-digit display) |
| Repeatability | ±0.5% (max, equivalent input) |
| Linearity | ±0.5% (max, equivalent input) |
| Output | 1 × isolated 4–20 mA DC (max load 900 Ω) |
| Relay Outputs | 2 × SPDT (240 V AC / 30 V DC, 3 A resistive) |
| Digital Interface | RS-485 (2-wire, input/output isolated) |
| Temp. Compensation | Pt1000 sensor |
| Enclosure Rating | IP65 (outdoor-rated) |
| Compliance | CE, FCC, RoHS, WEEE |
| Compatible Sensors | HORIBA ERF-series resistivity sensors (0.01 cm⁻¹) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | HO-200 |
| ORP Range | −2000 to +2000 mV |
| ORP Resolution | 1 mV |
| Temperature Range | 0–100 °C |
| Temperature Resolution | 0.1 °C |
| ORP Repeatability | ±5 mV (max) |
| ORP Linearity | ±5 mV (max) |
| Temperature Accuracy | ±0.3 °C (equivalent input) |
| Output | Two isolated 4–20 mA DC outputs (max load: 900 Ω) |
| Relay Outputs | 3 SPDT (1c) contact points |
| Digital Interface | RS-485 (2-wire, input/output isolated) |
| Enclosure Rating | IP65 |
| Power Supply | 90–264 V AC, 50/60 Hz |
| Power Consumption | ≤15 VA |
| Operating Ambient Temperature | −20 to +55 °C |
| Housing Material | Aluminum alloy |
| Mounting | Wall or 50A pipe column |
| Weight | ~4.5 kg |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | HO-300 |
| ORP Range | −2000 to +2000 mV |
| ORP Resolution | 1 mV |
| ORP Repeatability | ±5 mV (max) |
| ORP Linearity | ±5 mV (max) |
| Temperature Range | 0–100 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C (equivalent input) |
| Output | 4–20 mA DC, isolated, max load resistance 600 Ω |
| Digital Interface | RS-485 (2-wire, isolated I/O) |
| Power Supply | 24 V DC (21–32 V DC), max 0.6 W |
| Enclosure Rating | IP65 |
| Ambient Operating Temperature | −20 to +60 °C |
| Housing Material | Aluminum alloy |
| Mounting | 50A pipe or wall-mount |
| Weight | ~4 kg |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | HO-480 |
| ORP Measurement Range | −2000 to +2000 mV |
| Resolution | 1 mV |
| Repeatability | ±5 mV (max, at equivalent input) |
| Linearity | ±5 mV (max, at equivalent input) |
| Output Signal | 4–20 mA DC (galvanically isolated, max. load resistance: 900 Ω) |
| Relay Outputs | 2 SPDT relays (240 V AC / 30 V DC, 3 A resistive) |
| Calibration | Sensitivity adjustment (−200 to +200 mV), span range adjustable from 50.0% to 150.0% |
| Operating Temperature | −5 to +45 °C |
| Power Supply | 90–264 V AC, 50/60 Hz, ≤10 VA |
| Compliance | CE-marked, FCC-compliant, RoHS-conformant |
| Electrode Type | Lead-free metal reference electrode and ToupH combination electrode |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | HP-100 |
| Measurement Principle | Glass Electrode Method |
| pH Range | 0–14 |
| pH Repeatability | ±0.05 pH (max) |
| Output Signal | 4–20 mA DC (max load resistance: 500 Ω) |
| Power Supply | 22.5–30 V DC (nominal 24 V DC) |
| Power Consumption | ~0.48 W |
| Temperature Compensation Range | 0–100 °C |
| Ambient Operating Temperature | −10 to +50 °C |
| Temperature Sensor | Pt1000 (at 0 °C) |
| Enclosure Rating | IP65 |
| Compliance | CE, FCC, RoHS, WEEE |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | HP-200 |
| IP Rating | IP65 |
| Measurement Principle | Glass Electrode Method |
| pH Range | 0–14 |
| pH Resolution | 0.01 |
| pH Repeatability | ±0.03 |
| Temperature Range | 0–100 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C (equivalent input) |
| Output | Two isolated 4–20 mA DC outputs (max load: 900 Ω) |
| Relay Outputs | 5 SPDT (1c) contacts, configurable for alarm/control |
| Input | Dry-contact hold input for electrode cleaning/operation status |
| Communication | RS-485 (2-wire, input/output isolated) |
| Power Supply | 90–264 V AC, 50/60 Hz, ≤15 W |
| Enclosure Material | Aluminum alloy |
| Mounting | Pole (Ø50 mm) or wall-mount |
| Ambient Operating Temperature | −20 to +55 °C |
| Weight | ~4.5 kg |
| Compliance | CE, FCC, RoHS, WEEE |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | HP-300 |
| pH Range | 0–14 |
| pH Resolution | 0.01 |
| pH Repeatability | ±0.03 |
| pH Linearity | ±0.03 |
| Temperature Range | 0–100 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C (equivalent input) |
| Output | 4–20 mA DC, isolated, max. load resistance 600 Ω |
| Power Supply | 24 V DC (21–32 V DC), max. 0.6 W |
| Enclosure Rating | IP65 |
| Ambient Operating Temperature | −20 to +60 °C |
| Housing Material | Aluminum alloy |
| Mounting | Pipe (50A) or wall-mounted |
| Weight | ~4 kg |
| Compliance | CE, FCC, RoHS, WEEE |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | HP-480 |
| Measuring Range (pH) | 0–14 |
| Resolution (pH) | 0.01 pH |
| Temperature Range | 0–100 °C |
| Resolution (Temperature) | 1 °C (selectable display) |
| Repeatability (pH) | ±0.05 pH (at equivalent input) |
| Output | 4–20 mA DC, isolated, max. load resistance 900 Ω |
| Relay Outputs | 2 points (SPDT, 240 V AC / 30 V DC, 3 A) |
| Calibration | 2-point auto-calibration (using standard buffers pH 2, 4, 7, 9, 10) and manual calibration |
| Temperature Compensation | Automatic, selectable sensor types (500 Ω, 6.8 kΩ, 350 Ω, 1 kΩ, 10 kΩ) or none |
| Enclosure Rating | IP65 (panel mount) |
| Power Supply | 90–264 V AC, 50/60 Hz, ≤10 VA |
| Environmental Operating Range | −5 to +45 °C |
| Compliance | CE, FCC, RoHS |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | HR-200 |
| Measurement Principle | Amperometric (Polarographic) |
| Range | 0–3 mg/L Cl₂ |
| Resolution | 0.01 mg/L |
| Repeatability | ±0.05 mg/L (max) |
| Linearity | ±0.05 mg/L (max) |
| Temperature Range | 0–50 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.5 °C |
| Output | Two isolated 4–20 mA DC (max load 900 Ω) |
| Relay Outputs | 3 SPDT (1c), configurable for alarm/control/clean activation |
| Digital Interface | RS-485 (2-wire, input/output isolated) |
| Enclosure Rating | IP65 |
| Power Supply | 90–264 V AC, 50/60 Hz, ≤35 VA |
| Operating Ambient | 0–55 °C |
| Weight | ~4.5 kg |
| Compliance | CE, FCC, RoHS, WEEE |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | HR-480 |
| Measurement Principle | Galvanic Cell (Electrochemical) |
| Measurand | Free Residual Chlorine |
| Range | 0–2 mg/L |
| Resolution | 0.01 mg/L |
| Repeatability | ±0.05 mg/L (max) |
| Linearity | ±0.05 mg/L (max) |
| Output | Isolated 4–20 mA DC (max load: 900 Ω) |
| Relay Outputs | 2 × SPDT (240 V AC / 30 V DC, 3 A) |
| Enclosure Rating | IP65 |
| Certifications | CE, FCC, RoHS, WEEE |
| Operating Temperature | −5 to +45 °C |
| Power Supply | 90–264 V AC, 50/60 Hz, ≤10 W |
| Compatible Sensor | HORIBA RS-1 Free Chlorine Electrode |
| Calibration | Zero calibration (using zero solution), Span calibration (against DPD colorimetric reference) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | HU-200SS |
| Measurement Principle | Optical Transmission (Infrared LED Light Path) |
| Measuring Range (MLSS) | 0–20,000 mg/L |
| Resolution | 1 mg/L (0–10,000 mg/L), 10 mg/L (10,000–22,000 mg/L) |
| Accuracy | ±3% of reading or ±10 mg/L (whichever is greater) |
| Output | Isolated 4–20 mA DC (max. load 900 Ω) |
| Relay Outputs | 3 SPDT dry contacts (configurable for alarm, cleaning, fault) |
| Digital Interface | RS-485 (2-wire, input/output isolated) |
| Enclosure Rating | IP65 |
| Ambient Operating Temperature | −20 °C to +55 °C |
| Power Supply | 90–264 V AC, 50/60 Hz, ≤35 VA |
| Weight | Approx. 4.5 kg |
| Compliance | CE, FCC, RoHS, WEEE |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | HU-200TB |
| Measurement Principle | Dual-source 90° light scattering |
| Turbidity Range (Formazin) | 0–1000 NTU |
| Resolution | 0.1 NTU (10–100 NTU range) |
| Repeatability | ±2% or ±0.04 NTU (whichever is greater) |
| Linearity Deviation | ±2% or ±0.04 NTU at mid-range calibration point |
| Output | Isolated 4–20 mA DC (max load 900 Ω) |
| Relay Outputs | 3 SPDT dry contacts (configurable for alarm, cleaning activation, or fault indication) |
| Digital Interface | RS-485 (2-wire, input/output isolated) |
| Enclosure Rating | IP65 |
| Compliance | CE, FCC, RoHS, WEEE |
| Operating Temperature | 0–55 °C |
| Power Supply | 90–264 V AC, 50/60 Hz, ≤35 VA |
| Weight | ~4.5 kg |
| Housing Material | Aluminum alloy |
| Mounting | Pole-mounted (50A pipe) or wall-mount |
| Cleaning System | Motor-driven wiper (integrated, converter-triggered) |
| Origin | Tianjin, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HS-W-B (400–1000) |
| Price Range | USD 42,000 – 70,000 |
| Spectral Range | 400–1000 nm |
| Spectral Resolution | ≤5 nm |
| Sampling Interval | <3 nm |
| Number of Spectral Channels | 300 |
| Light Source | Integrated Halogen Lamp |
| Measurement Frequency | Configurable, up to 1 measurement per 5 seconds |
| Detection Accuracy | >85% (vs. Standard Laboratory Methods) |
| Power Supply | Rechargeable Lithium Battery / Solar Panel / AC Mains |
| Operational Duration | ≥6 months (at 30-min sampling interval) |
| Dimensions | 70 cm × 20 cm × 32 cm |
| Weight | <20 kg (including buoy assembly) |
| Communication Interface | 4G/5G Cellular Module |
| Ingress Protection Rating | IP67 |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HK-378 |
| Price Range | USD 14,000 – 42,000 |
| Measurement Range | 0–10 µg/L and 0–100 µg/L |
| Resolution | 0.01 µg/L |
| Accuracy | ±3% FS or ±0.5 µg/L (whichever is greater) |
| Response Time (T90) | ≤5 s |
| Temperature Compensation Range | 5.0–45.0 °C (auto/manual) |
| Sample Flow Rate | 50–350 mL/h |
| Sample Temperature Range | 5.0–45.0 °C |
| Max. Suspended Particle Size | ≤5 µm (no colloids or oils) |
| Output | Dual isolated 4–20 mA (configurable as 0–10/0–20 mA) |
| Communication | RS485 Modbus RTU, USB data export |
| Power Supply | AC 100–240 V, 50–60 Hz, ≤8 W |
| Dimensions (W×H×D) | 690 × 450 × 215 mm |
| Weight | 22 kg |
| Brand | TimePower |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | TP-108 |
| Pricing | Upon Request |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | Hydro-Watch |
| Pricing | Available Upon Request |
| Origin | Canada |
|---|---|
| Supplier Type | Authorized Distributor |
| Import Status | Imported |
| Model | 3001 |
| Pricing | Available Upon Request |
| Water Level Sensor | Piezoresistive Silicon Sensor in 316L Stainless Steel Housing |
| Water Level Accuracy | ±0.05% FS |
| Water Level Resolution | 0.0006–0.028% FS |
| Temperature Sensor | Pt100 Platinum Resistance Thermometer |
| Temperature Accuracy | ±0.05°C |
| Temperature Resolution | 0.003°C |
| Conductivity Range | 0–8000 mS/cm |
| Conductivity Accuracy | ±1% of reading or ±15 mS/cm (whichever is greater) |
| Conductivity Resolution | 1 µS/cm |
| Sampling Interval | Programmable from 0.5 s to 99 h |
| Pressure Compensation | Integrated Barologger Atmospheric Pressure Sensor |
| Housing Materials | 316L Stainless Steel, Ceramic, Akulon®, Viton® |
| Operating Temperature | −20°C to +80°C |
| Data Storage | Internal High-Capacity Non-Volatile Memory |
| Battery Life | 5–10 years (typical deployment) |
| Brand | In-situ Marine |
|---|---|
| Origin | Australia |
| Model | CTD-Optics Series |
| Measurement Principle | High-stability quartz crystal conductivity cell, PT1000 RTD temperature sensor, piezoresistive pressure transducer |
| Data Logging | 16 GB microSD (timestamped binary + ASCII log files) |
| Power Management | Integrated 11.1 V / 7.8 Ah Li-ion battery with programmable sleep mode (65 µA) |
| Communication | Triple RS-232 channels (configurable baud rate 9600–115200 bps), optional Wi-Fi download & 4G telemetry via C-TEL interface |
| Compliance | IP68 rated housing |
| Environmental Rating | Long-term submersible deployment up to 100 m depth |
| Operating Temperature | 0–40 °C (ambient) |
| sensor range | −55 to +125 °C (temperature), 0–100 m (depth), 0–100,000 µS/cm (conductivity) |
| Brand | In-situ Marine |
|---|---|
| Origin | Australia |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | pHiDO |
| Pricing | Upon Request |
| Brand | INFICON |
|---|---|
| Origin | USA |
| Model | CMS5000 |
| Detection Principle | Purge-and-Trap GC with Micro-Ar Ionization Detector (MAID) |
| Regulatory Compliance | Designed per US EPA Method 502.2 |
| Sample Matrix | Raw water, finished drinking water, and treated water streams |
| Detection Limit | Sub-ppt (parts-per-quadrillion) for halogenated VOCs |
| Calibration Standard | Integrated long-life permeation tube (≥8 years) |
| Communication | Ethernet/Wi-Fi, FTP auto-reporting, remote method selection & data access |
| Enclosure Rating | NEMA 4X wall-mountable housing |
| Software | CMS IQ (programmable sequence control, default EPA methods, audit-trail enabled) |
| Maintenance Interval | <1 service/year (excluding purge water flush) |
| Carrier Gas | Ultra-high-purity argon (1.6 m³ cylinder lasts >12 months) |
| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | KHK 650W |
| Pricing | Available Upon Request |
| Detection Principle | Membrane Extraction / Purge-and-Trap Coupled with Capillary Gas Chromatography |
| Detection Targets | Hydrocarbons, Halogenated Hydrocarbons |
| Detection Limit | Sub-ppt (parts-per-quadrillion) range |
| Cooling Method | Peltier Thermoelectric Cooling |
| Interface | Modular Analytical Unit Expansion Port |
| Automation Level | Fully Unattended Operation |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | KSZD-20 |
| Price | Upon Request |
| Measurement Principle | Dual-Detector Transmitted & 90° Scattered Light (ISO 7027 Compliant) |
| Range Options | A-Type: 0–200 NTU / 0–4000 NTU |
| B-Type | 0–10 NTU / 0–200 NTU |
| Accuracy | ±5% (A-Type), ±3% (B-Type) |
| Repeatability | ±5% |
| Process Temp. | 0–40 °C |
| Ambient Op. Temp. | 0–50 °C |
| Humidity | 65 ± 20% RH |
| Output | Isolated 4–20 mA (scalable), RS232 Serial Interface |
| Power Supply | 220 V AC, 50 Hz |
| Installation | In-line Pipe Mount or Submersible Probe Mount |
| Configuration | Integrated or Remote Sensor + Controller |
| Brand | Lanjing |
|---|---|
| Model | LJ-201 |
| Measurement Principle | Salicylate Spectrophotometry |
| Measurement Ranges | (0–5), (0–10), (0–25), (0–50), (0–125), (0–250) mg/L NH₃–N |
| Zero Drift | ±0.02 mg/L |
| Span Drift | ±1.0% F.S. |
| Accuracy | ±8.0% at 20% F.S., ±5.0% at 50% F.S., ±3.0% at 80% F.S. |
| Limit of Quantitation | 0.15 mg/L |
| Repeatability | ≤2.0% |
| Cycle Time | ≤60 min |
| MTBF | ≥720 h |
| Insulation Resistance | >20 MΩ |
| Output Interfaces | RS232 / RS485, 4–20 mA analog |
| Dimensions | 500 × 440 × 1440 mm (L×W×H) |
| Weight | 55 kg |
| Display | 7-inch color touch screen |
| Control System | Industrial PLC |
| Operating Temperature | 5–35 °C |
| Operating Humidity | 20–85% RH |
| Power Supply | AC 220 V ±25 V, 50 Hz ±0.5 Hz |
| Rated Power | 100 W |
| Brand | LAR |
|---|---|
| Origin | Germany |
| Model | Biomonitor |
| BOD Range | 1–50 mg/L and 1–200,000 mg/L (user-selectable) |
| Measurement Interval | Every 3–4 minutes |
| Sample Preparation | Maintenance-free particle separator |
| Display | High-resolution backlit LCD |
| Data Storage | Secure SD card logging |
| Output Signals | Dual 4–20 mA (BOD and activated sludge activity) |
| Communication Interfaces | RS-232/RS-485 serial, TCP/IP Ethernet for remote monitoring and control |
| Inlet Connection | 30 mm ID tubing or M32 threaded pipe (custom options available) |
| Power Supply | 230/115 V AC, 50/60 Hz, 150 VA |
| Enclosure Rating | IP54 |
| Dimensions (W×H×D) | 600 × 862 × 540 mm (23.6 × 33.9 × 21.3 in) |
| Weight | 70 kg |
| Origin | Fujian, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | LawLink |
| Pricing | Available Upon Request |
| Origin | Fujian, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | Lawlink System |
| Price Range | USD 70,000 – 140,000 |
| Origin | Fujian, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | LawLink |
| Pricing | Available Upon Request |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | SJG-205 |
| Price | USD 139,800 (FOB Shanghai) |
| Power Options | Shore-based AC, Rechargeable Battery Bank, or Solar Photovoltaic System |
| Communication | LTE-M / NB-IoT / 4G Cellular + Optional LoRaWAN Gateway Integration |
| Weight | ≤ 45 kg (fully configured) |
| Buoy Hull Material | UV-stabilized HDPE with Marine-grade Stainless Steel Mounting Frame |
| Sensor Interface | RS-485 Modbus RTU / SDI-12 / Analog 4–20 mA (configurable per probe) |
| Data Transmission Interval | Adjustable from 1 min to 24 h |
| GPS Accuracy | < 5 m CEP (with GLONASS/Galileo support) |
| Self-Cleaning Mechanism | Brush-based or Ultrasonic (sensor-specific) |
| Remote Calibration Support | Two-point (zero/span) via encrypted OTA command |
| Battery Runtime | Up to 180 days (typical, solar-assisted mode) |
| Compliance | IP68 Submersion Rating, CE EMC Directive 2014/30/EU, RoHS 2011/65/EU, ISO 17025 Traceability (calibration certificate optional) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | SJG-702 |
| Price | USD 14,000 (FOB Shanghai) |
| Measurement Principles | pH & Conductivity & TDS — Electrode-based |
| Calibration | Built-in Standard Curves + Manual Calibration Support |
| Compliance | CE, RoHS |
| Sensor Types | PH-2-173 (pH), DJS-2-141 (Conductivity), TGF-2-005 (Turbidity), DCS4.2MA2/DCS4MA5 (Free Chlorine), DCP4.0MA2/DCP4.0MA5 (Total Chlorine), DCD4.2MA2/DCD4.2MA5 (Chlorine Dioxide) |
| Display | Color TFT Touchscreen |
| Power Supply | AC 220 V ±10%, 50 Hz (Optional Solar DC Input) |
| Communication | RS-232 / RS-485 Serial Interface, Optional Wireless GPRS/4G Module |
| Operating Environment | 0–40 °C, ≤90% RH |
| Dimensions (W×D×H) | 730 × 520 × 330 mm |
| Weight | 20 kg |
| Auto-cleaning | Integrated Brush + Bubble-removal Cell + Drain Control for Turbidity Sensor |
| Measurement Modes | Continuous, Intermittent Cycle, Timed, and Manual |
| Alarm | Programmable Upper/Lower Limits with Relay Output |
| Data Logging | Internal Storage + Remote Upload to Central SCADA or Cloud Platform |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | SJG-702 |
| Measurement Principles | pH & conductivity & TDS (electrode method), turbidity (90° light scattering), free/total chlorine & chlorine dioxide (amperometric membrane electrode) |
| Measurement Ranges | pH 0.00–14.00 (±0.05 pH) |
| Compliance | CE, RoHS |
| Power Supply | AC 220 V ±10%, 50 Hz (solar option available) |
| Dimensions | 730 × 520 × 330 mm |
| Weight | 20 kg |
| Communication | RS-232 / RS-485 |