Water Quality Analysis
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| Brand | Timepower |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | TP350 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Clark-type Polarographic Sensor |
| Measurement Range | 0.0–100 µg/L |
| Accuracy | ±1.0% FS |
| Repeatability | ≤1% |
| Detection Limit | ±1.0% FS |
| Resolution | 0.1 µg/L (0–100 µg/L), 1.0 µg/L (100–1000 µg/L), 0.01 mg/L (1.00–20.00 mg/L) |
| Response Time (T90) | <5 min at 25 °C |
| Temperature Compensation Range | 0–60.0 °C |
| Sample Temperature Range | 5–45 °C |
| Operating Ambient | 5–45 °C, ≤90% RH (non-condensing) |
| Enclosure Rating | IP65 |
| Temperature Sensor | Pt1000 |
| Power Supply | AC 85–265 V, 45–65 Hz |
| Power Consumption | ≤1 W |
| Dimensions | 285 × 60 × 255 mm |
| Weight | 2.28 kg |
| Display | 128 × 64 LCD, Chinese interface |
| Data Storage | Cyclic memory with >10-year data retention after power loss |
| Battery Life | Up to 8 hours continuous operation (fully charged) |
| Brand | Timepower |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | TP350 |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching Method |
| Measurement Range | 0.0–100 µg/L (trace mode), auto-ranging up to 20.00 mg/L |
| Accuracy | ±1.5% FS |
| Repeatability | ≤1% |
| Detection Limit | 2 ppt (0 ± 2 ppt) |
| Response Time (T90) | <5 min at 25 °C |
| Temperature Compensation Range | 0–60.0 °C |
| Sample Temperature Range | 5–45 °C |
| Environmental Operating Range | 5–45 °C, ≤90% RH (non-condensing) |
| Display | 128 × 64 LCD, Chinese interface |
| Power Supply | AC 85–265 V, 45–65 Hz |
| Power Consumption | ≤1 W |
| Dimensions | 285 × 60 × 255 mm |
| Weight | 2.28 kg |
| IP Rating | IP65 |
| Temperature Sensor | Pt1000 |
| Data Storage | Cyclic memory with >10-year retention after power loss |
| Battery Life | Up to 8 hours continuous operation |
| Resolution | 0.1 µg/L (0.0–100 µg/L), 1.0 µg/L (100–1000 µg/L), 0.01 mg/L (1.00–20.00 mg/L) |
| Brand | TimePower |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Type | Portable |
| Measurement Principle | Polarographic Electrochemical Sensor (Clark-type with PTFE/PE Membrane) |
| Measurement Range | 0.0–100 µg/L, 100–1000 µg/L, 1.00–20.00 mg/L (Auto-ranging) |
| Accuracy | ±1.0% FS |
| Repeatability | ≤1% |
| Detection Limit | ±2 ppb (0 µg/L baseline) |
| Response Time (T90) | <5 min at 25 °C |
| Temperature Compensation | Pt1000 sensor, 0–60.0 °C |
| Sample Temp. Range | 5–45 °C |
| Operating Environment | 5–45 °C, ≤90% RH (non-condensing) |
| IP Rating | IP65 |
| Power Supply | AC 85–265 V, 45–65 Hz |
| Power Consumption | ≤1 W |
| Dimensions | 285 × 60 × 255 mm |
| Weight | 2.28 kg |
| Display | 128 × 64 dot-matrix LCD, Chinese interface |
| Data Storage | Cyclic memory with >10-year non-volatile retention |
| Battery Life | Up to 8 hours continuous operation (internal rechargeable battery) |
| Resolution | 0.1 µg/L (0–100 µg/L), 1.0 µg/L (100–1000 µg/L), 0.01 mg/L (1.00–20.00 mg/L) |
| Brand | TimePower |
|---|---|
| Model | TP351 |
| Origin | Beijing, China |
| Manufacturer | TimePower Measurement & Control Co., Ltd. |
| Type | Polarographic Dissolved Oxygen Meter (Clark-type electrode) |
| Display | 128×64 dot-matrix LCD, Chinese interface |
| Measurement Range | 0.00–20.00 mg/L |
| Accuracy | ±1.5% F.S. |
| Resolution | 0.01 mg/L |
| Repeatability | ≤1% |
| Stability | ±1% F.S./4 h |
| Response Time (T90) | <5 min at 25 °C |
| Temperature Sensor | Pt100 |
| Temp. Measurement Range | 0.0–99.9 °C |
| Automatic Temperature Compensation Range | 0.1–60.0 °C |
| Sample Temperature Range | 5–60 °C |
| Operating Ambient | 5–45 °C, ≤90% RH (non-condensing) |
| Storage Temperature | −25–55 °C (electrode must be stored above 0 °C) |
| Power Supply | AC 220 V ±10%, 50 Hz ±1 Hz |
| Power Consumption | <5 W |
| Dimensions (L×W×H) | 225 mm × 210 mm × 260 mm |
| Weight | 1.5 kg |
| Standard Accessories | DO meter host, AC adapter, ppm-range polarographic DO electrode with YXI membrane cap, electrolyte refill solution (KCl-based), electrode stand |
| Brand | TimePower |
|---|---|
| Origin | Beijing, China |
| Manufacturer | TimePower Co., Ltd. |
| Type | Benchtop Laboratory DO Meter |
| Measurement Principle | Polarographic Electrochemical Sensor (Clark-type) |
| Range | 0.00–20.00 mg/L |
| Accuracy | ±0.2 mg/L (±1.5% F.S.) |
| Resolution | 0.01 mg/L |
| Repeatability | ≤1% RSD |
| Detection Limit | 2 ppb (O₂) |
| Response Time (T₉₀) | <5 min at 25°C |
| Temperature Compensation Range | 0.1–60.0°C |
| Sample Temp. Range | 5–60°C |
| Display | 128×64 dot-matrix LCD, Chinese interface |
| Power Supply | AC 220 V ±10%, 50 Hz, <5 W |
| Dimensions | 225 × 210 × 260 mm (L×W×H) |
| Weight | 1.5 kg |
| Brand | TimePower |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | TP539 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Compliance Standard | GB/T 511–2010 Petroleum Products and Additives — Determination of Mechanical Impurities (Gravimetric Method) |
| Temperature Control Range (Water Bath & Funnel) | Room Temperature to 90 °C |
| Temperature Control Accuracy | ±1 °C |
| Funnel Temperature Display | LED Digital |
| Ambient Operating Conditions | 5–40 °C, ≤85% RH |
| Power Supply | AC 220 V ±10%, 50 Hz ±10% |
| Max. Power Consumption | ≤1200 W |
| Dimensions (Control Box) | 390 × 260 × 130 mm |
| Dimensions (Water Bath) | 90 × 290 × 370 mm |
| Net Weight | 4.8 kg |
| Brand | Titan Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | ACOD-30 |
| Pricing | Upon Request |
| Instrument Type | Laboratory Benchtop |
| Measurement Principle | Dichromate Oxidation with Automated Potentiometric/Colorimetric Endpoint Detection (Compliant with HJ 828–2017) |
| Brand | Titan Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-made) |
| Model | APIA-100 |
| Pricing | Available Upon Request |
| Measurement Principle | Potassium Permanganate Oxidation with ORP Endpoint Detection |
| Instrument Type | Laboratory Benchtop Analyzer |
| Repeatability | RSD ≤ 3.0% |
| Limit of Detection | ≤ 0.05 mg/L |
| Brand | Tongtai Lian (TTL) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | TTL-6HS |
| Instrument Type | Laboratory Benchtop System |
| Compliance | Designed per HJ 1226–2021 (PRC National Ecological and Environmental Standard) |
| Construction Materials | 316 Stainless Steel Frame + PTFE-Coated Components |
| Heating Method | Integrated Constant-Temperature Water Bath |
| Sample Capacity | 6 Independent Reaction Vessels |
| Gas Control | Individual Mass Flow Regulation per Channel (N₂) |
| Vertical Travel Range | 100 ± 2 mm |
| Sample Rack | Rotatable Circular Platform with Radial Mounting |
| Drainage | Stainless Steel Ball Valve |
| Electrical Isolation | Separated Water Bath and Control Unit Architecture |
| Corrosion Resistance | Certified for HCl, H₂SO₄, and NaOH Exposure (pH 1–14, ≤80 °C) |
| Brand | Tongtai Union (TTL) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TTL-4SH |
| Instrument Category | Laboratory Water Quality Analyzer |
| Analyte | Hydrogen Sulfide (H₂S) |
| Detection Method | Methylene Blue Spectrophotometry (per HJ 1226–2021 & GB 17378.4–2007) |
| Heating Range | Ambient to 90 °C |
| Temperature Accuracy | ±1 °C |
| Power Supply | AC 220 V, 50/60 Hz, 2000 W |
| Total Heating Power | 1800 W |
| Water Bath Capacity | 2000 mL × 4 positions |
| Nitrogen Flow Control | 0–10 L/min per channel |
| Stirring Speed Range | 0–3000 rpm |
| Stirring Control | Stepless (independent per sample) |
| Sample Rack Travel | 100 ±2 mm vertical lift |
| Construction Materials | Stainless steel frame with PTFE-coated internal components |
| Drain Valve | Stainless steel manual valve |
| Dimensions (W×D×H) | 540 × 520 × 835 mm |
| Brand | Tongtailian (TTL) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TTL-6SS |
| Instrument Type | Laboratory Benchtop System |
| Price Range | USD 2,800 – 7,000 (FOB China) |
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | TPSZ-20D |
| Instrument Type | Portable Spectrophotometric Water Quality Analyzer |
| Detection Parameters | Ammonia-N, Total Cyanide, COD, Fluoride, Chlorine Dioxide, Sulfide, Cyanide, Cadmium, Mercury, Aluminum, Lead, Nitrate-N, Residual Chlorine, Total Nitrogen, Total Phosphorus, Total Chlorine, Turbidity, Color, Nitrite, pH |
| Display | 4.3-inch Color TFT Touchscreen |
| Absorbance Range | 0.000–4.000 |
| Transmittance Range | 0.00–100.00% |
| Transmittance Resolution | 0.01% |
| Absorbance Resolution | 0.001 |
| Photometric Accuracy | ±2.0% T |
| Photometric Repeatability | ≤0.2% T |
| Baseline Stability | ≤0.3% T (3 min) |
| Interface | USB |
| Power Supply | AC 220 V |
| Brand | Top Cloud-agri |
|---|---|
| Model | TPSZ-III Series |
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Pricing | Available Upon Request |
| Brand | BBE / bbe Moldaenke |
|---|---|
| Origin | Germany |
| Manufacturer Type | Direct Manufacturer |
| Import Status | Imported |
| Model | Tox protectII |
| Instrument Type | Online Monitoring System |
| Test Organism | Live Fish (e.g., Danio rerio or Oncorhynchus mykiss) |
| Operating Temperature Range | 5–28 °C |
| Measurement Chamber Volume | 9 L (customizable) |
| Detection Principle | Real-time optical grating-based behavioral activity monitoring |
| Communication Interfaces | RS-485, Ethernet, Modbus TCP, optional GSM/SMS and analog alarm outputs |
| Alarm Modes | Local visual (tricolor LED), audible, remote SMS/fax/email via integrated gateway |
| Compliance | Designed for GLP-aligned operation |
| Brand | Trace Elemental Instruments |
|---|---|
| Origin | Netherlands |
| Model | XPERT-TOC/TNb |
| Instrument Type | Laboratory TOC/TNb Analyzer |
| Detection Principle | Non-Dispersive Infrared (NDIR) Absorption for TOC |
| Oxidation Method | High-Temperature Catalytic Combustion (up to 1000 °C) |
| Measurement Range | 0–35,000 µg/L (ppb–ppm) |
| Accuracy | RSD < 1% |
| Resolution | 0.0001 µg/L |
| Detection Limit | 3 ppb (TOC) |
| Repeatability | RSD < 1% |
| Sample Introduction | Valve-Free Funnel-Tec™ Technology |
| Combustion Tube | ProCat™ High-Efficiency Catalytic Oxidation Tube |
| Autosampler | Integrated 65-Position Liquid Autosampler with On-Deck Stirring & Removable Tray |
| Software | TEIS v5.x (Compliant with FDA 21 CFR Part 11, GLP/GMP Audit Trail) |
| Brand | TE/Trace Elemental Instruments |
|---|---|
| Origin | Netherlands |
| Model | XPLORER AOX |
| Measurement Principle | High-Temperature Combustion–Coulometric Titration |
| Measurement Range | 0.0025–1000 µg Cl/L |
| Accuracy | <3% @ 200 ppb Cl |
| Repeatability | <2.5% RSD |
| LOD | 0.0025 µg Cl |
| Resolution | 0.0025 µg Cl |
| Combustion Temperature | Up to 1150 °C |
| Sample Introduction | 5–1000 mg (solid) or 0.1–10 mL (liquid) |
| Analysis Time (per sample) | 3–10 min (excluding pre-treatment) |
| Carrier Gases | O₂ (99.6%), Ar (99.998%) |
| Autosampler | Standard 20-position, expandable to 60-position |
| Software | TEIS 2 Online Control & Data Processing Platform |
| Compliance | ISO 9562:2004, EN ISO 9562, DIN 38409-H17, EPA Method 1650, HJ 1214–2021, GB/T 34845–2017, GB/T 35613–2017, GB/T 41533–2022, GB/T 22904–2008, GB/T 15959 |
| Origin | USA |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | Tracer |
| Pricing | Upon Request |
| Brand | ETI |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | TrasION 1080 ICP-MS |
| Quotation | Upon Request |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | BD-T30 |
| Price | Upon Request |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | eCHEM ClO₂ |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Amperometric (3-Electrode Potentiostatic) |
| Measurand | Chlorine Dioxide (ClO₂) |
| Range | 0–2 mg/L (ppm), optionally 0–20 mg/L |
| Accuracy | ±0.4 mg/L (0–2 mg/L range) |
| Temp. Compensation | Integrated Pt100 |
| Response Time (T90) | ~60 s |
| Housing Material | PVC-U & Stainless Steel 1.4571 |
| Dimensions | 205 mm × 25 mm |
| Weight | 0.12 kg |
| Output Interface | RS-485, Modbus RTU |
| Power Supply | 9–30 VDC, max. 56 mA |
| Connector | 8-pin M12 |
| IP Rating | IP68 |
| Operating Temp. | 0–50 °C (liquid, ice-free) |
| Pressure Rating | 1 bar (static, no shock/vibration) |
| pH Range | 1–12 |
| Conductivity Range | 10 µS/cm – 50 mS/cm |
| Cross-Sensitivity | Cl₂ — negligible interference |
| Membrane Lifetime & Maintenance | Weekly verification recommended |
| Flow Dependency | Yes (optimal flow in FLC-3 flow cell: 15–30 L/h) |
| Calibration Method | DPD-1 spectrophotometric reference for chlorine-equivalent validation |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | TpH |
| Measurement Principle | Potentiometric Analysis |
| Measured Parameters | pH (0–14), Temperature (0–65 °C) |
| Accuracy | ±0.01 pH, ±0.1 °C |
| Resolution | ±0.06 pH, ±0.5 °C |
| Intrinsic Error (pH 1/7/13) | ±0.05 / ±0.05 / ±0.35 pH |
| Linearity Error | ±0.1 pH |
| Repeatability (pH 1/7/13) | ±0.1 / ±0.05 / ±0.1 pH |
| Signal Stability (pH 4/7) | ±0.05 / ±0.025 pH |
| Warm-up Time | < 5 min |
| Short-term Drift (24 h) | < 0.03 pH |
| Long-term Drift (1 week) | < 0.05 pH |
| Response Times (T10/T90/T100) | ≤2 s / ≤5 s / ~10 s |
| Temperature Compensation | Pt1000 |
| Output Interface | RS-485, Modbus RTU |
| Supply Voltage | 12–24 VDC (±10 %) |
| Power Consumption | 0.2 W |
| Housing Material | PPS / PET / NBR |
| Dimensions (L × Ø) | 180 × 27 mm |
| Weight | 110 g |
| Cable Options | 2 m, 10 m (standard) |
| IP Rating | IP68 |
| Max. Operating Pressure (free-flow) | 3 bar |
| Max. Flow Rate | 3 m/s |
| Sample Temp. Range | +2 to +40 °C |
| Ambient Temp. Range | −5 to +55 °C |
| Storage Temp. | 0 to +80 °C |
| Maintenance Interval | ≤0.5 h/month |
| Calibration Interval | 4 weeks |
| Flow Cell Compatibility | Yes (1 bar, 2–4 L/min) |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | eCHEM DO |
| Type | Portable Optical Dissolved Oxygen Sensor |
| Measurement Principle | Luminescence-based (Optical Quenching) |
| Range | 0–20 mg/L (0–20 ppm, 0–200% saturation) |
| Accuracy | ±0.1 mg/L (±0.1 ppm, ±1% saturation) |
| Response Time (T90) | <60 s |
| Resolution | 0.01 mg/L |
| Temperature Compensation | NTC thermistor (0.01 °C resolution, ±0.5 °C accuracy) |
| Output Interface | RS-485 (Modbus RTU) |
| Power Supply | 12 V ±10%, 1 W |
| Cable Options | 2 m or 10 m polyurethane-sheathed |
| Pressure Rating | 5 bar |
| IP Rating | IP68 |
| Operating Temp | 0–50 °C |
| Storage Temp | −10–60 °C |
| Housing Material | Passivated Stainless Steel 316L (standard) / Titanium Alloy (marine version) |
| Membrane | Optically isolated silicone |
| Dimensions | 146 mm × 25 mm |
| Weight | 450 g (SS), 300 g (Ti) |
| Maintenance Interval | ≤0.5 h/month |
| Calibration Interval | Up to 2 years |
| Cross-Sensitivity | None for pH (1–14), CO₂, H₂S, SO₂ |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | eCHEM Total Chlorine |
| Instrument Type | Online Analyzer |
| Measurement Principle | Electrochemical Amperometric (3-Electrode, Constant-Potential) |
| Measured Parameter | Total Chlorine (Free + Combined Chlorine) |
| Range Options | 0–2 mg/L and 0–20 mg/L |
| Accuracy | >97% (as validated against DPD-4 reference method) |
| Repeatability | ±0.1 mg/L |
| Resolution | 0.001 mg/L (0–2 mg/L range), 0.01 mg/L (0–20 mg/L range) |
| LOD | 0.001 mg/L |
| pH Range | 4–12 |
| Conductivity Range | 10 µS/cm – 200 mS/cm |
| Response Time (T90) | ~3 min (freshwater), ~5 min (seawater/brine) |
| Operating Temperature | 0–46 °C (sample), 0–55 °C (ambient) |
| Pressure Rating | 0.5 bar (unclamped), 3 bar (with clamp) |
| Output Interface | RS-485, Modbus RTU |
| Power Supply | 9–30 VDC |
| Housing Materials | PEEK, PVC-U, 1.4571 stainless steel, hydrophilic microporous membrane |
| Weight | 1.1 kg |
| Dimensions (L × Ø) | 205 mm × 25 mm |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Manufacturer Status | Authorized Distributor |
| Origin Category | Imported |
| Model | EGC-enviroFlu-HC |
| Pricing | Upon Request |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | EGCWA |
| Pricing | Upon Request |
| Instrument Type | Online Water Quality Analyzer |
| Measured Parameters | PAH, Turbidity, pH |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | enviroFlu-BT |
| Instrument Type | Online |
| Measurement Principle | UV-Induced Fluorescence |
| Measurement Range | 0–1000 ppb and 0–10,000 ppb (switchable) |
| Detection Limit | 20 ppb |
| Accuracy | ±3% of reading |
| Resolution | 0.3 ppb |
| Measurement Frequency | Up to 1 Hz (1 measurement per second) |
| Response Time (T₁₀₀) | ≤10 s |
| Measurement Interval | ≤5 s |
| Excitation Wavelength | 254 nm (Xenon lamp + optical filter) |
| Emission Wavelength | 289 nm (Photodiode + optical filter) |
| Housing Material | Stainless Steel 1.4571 / 1.4404 or Titanium Grade 3.7035 |
| Dimensions (L × Ø) | 311 mm × 68 mm |
| Weight | ~2.7 kg (stainless steel), ~1.9 kg (titanium) |
| Digital Interface | RS-232 (TriOS protocol) |
| Analog Outputs | 4–20 mA and 0–5 V |
| Power Supply | 12–24 VDC (±10%) |
| Power Consumption | ≤3.5 W |
| Operating Pressure | SubConn connector: up to 30 bar |
| Fixed cable version | 3 bar |
| Flow cell variant | 1 bar |
| Flow Rate Compatibility | 0.1–10 m/s |
| Ingress Protection | IP68 |
| Operating Temperature (Sample) | +2 °C to +40 °C |
| Ambient Temperature Range | –5 °C to +55 °C (±3% accuracy maintained between 0–40 °C) |
| Storage Temperature | –20 °C to +80 °C |
| Optical Window | Nano-coated quartz for fouling resistance |
| Turbidity Compensation | Not implemented |
| Data Logging | Internal storage not included |
| Calibration Interval | 24 months under standard operating conditions |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | EnviroFlu-HC |
| Instrument Type | Online |
| Measurement Principle | UV-Induced Fluorescence |
| Measurement Range | 0–5000 ppb (PAH) |
| Detection Limit | 0.3 ppb |
| Accuracy | ±1% of reading |
| Resolution | 0.1 ppb |
| Measurement Frequency | 1 Hz |
| Excitation Wavelength | 254 nm |
| Emission Wavelength | 360 nm |
| Housing Material | Stainless Steel 1.4571/1.4404 or Titanium Grade 3.7035 |
| Dimensions | 311 mm × 68 mm |
| Weight | 2.7 kg (stainless), 1.9 kg (titanium) |
| Pressure Rating | 30 bar (SubConn), 3 bar (fixed cable), 1 bar (flow cell) |
| Ingress Protection | IP68 |
| Operating Temperature | +2 °C to +40 °C (sample), –5 °C to +55 °C (ambient) |
| extended accuracy range | 0–40 °C |
| Flow Velocity | 0.1–10 m/s |
| Power Supply | 12–24 VDC (±10%) |
| Power Consumption | ≤3.5 W |
| Output Interfaces | RS-232 (TriOS protocol), 4–20 mA, 0–5 V |
| Response Time (T₁₀₀) | ≤10 s |
| Calibration Interval | 24 months |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | LISA 254 BOD |
| Instrument Type | Online BOD Analyzer |
| Measurement Principle | Dissolved Oxygen (DO)-Based Optical Correlation |
| Measurement Range | 0–700 mg/L BODeq |
| Detection Limit | 0.1 mg/L BODeq |
| Accuracy | ±5% of reading |
| Single Measurement Time | 1 min |
| Repeatability | ±2% RSD |
| Light Path Options | 1, 2, 5, 10, or 50 mm |
| Dual-Channel Turbidity Compensation | Yes (530 nm reference channel) |
| Output Interfaces | Ethernet (TCP/IP), RS-232/RS-485 (Modbus RTU), 4–20 mA analog |
| Power Supply | 12–24 VDC (±10%), ≤1 W |
| Operating Temperature | 2–40 °C (sample & ambient) |
| Pressure Rating | Up to 30 bar (SubConn), 3 bar (fixed cable), 1 bar (flow cell) |
| Enclosure Material | Stainless Steel 1.4571 / 1.4404 or Titanium Grade 3.7035 |
| IP Rating | IP68 |
| Dimensions (10 mm path) | 300 mm × 48 mm |
| Weight (10 mm, stainless) | 1.6 kg |
| Data Storage | 2 MB internal |
| Response Time | 4 s |
| Measurement Interval | 2 s |
| UV Source | Dual LED (254 nm + 530 nm) |
| Detector | Filtered Photodiode |
| SAC254 Calibration | Traceable to NIST-traceable standards |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | LISA 254 |
| Instrument Type | Online Analyzer |
| Measurement Principle | UV Absorption Spectrophotometry at 254 nm |
| Wavelength | 254 nm |
| Measurement Range | 10–5000 mg/L COD<sub>eq</sub> |
| Accuracy | ±5% of reading |
| Repeatability | ±5% RSD |
| LOD | 0.01 mg/L COD<sub>eq</sub> |
| Measurement Interval | 1 s |
| Batch Capacity | 15 samples |
| Optical Path Length Options | 1, 2, 5, 10, or 50 mm |
| Turbidity Compensation | Dual-channel (254 nm + 530 nm) |
| Output Interfaces | 4–20 mA analog, Ethernet (TCP/IP), RS-232/RS-485 (Modbus RTU, TriOS protocol) |
| Power Supply | 12–24 VDC (±10%), ≤1 W |
| Operating Temperature | 2–40 °C (sample & ambient) |
| Pressure Rating | Up to 30 bar (SubConn), 3 bar (fixed cable), 1 bar (flow cell) |
| Enclosure Material | Stainless Steel (1.4571 / 1.4404) or Titanium (3.7035) |
| IP Rating | IP68 |
| Dimensions (10 mm path) | 300 mm × 48 mm |
| Weight (10 mm path, stainless steel) | 1.6 kg |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | LISA color |
| Optical Path Lengths | 50 mm, 100 mm, 150 mm, 250 mm |
| Measurement Principles | Absorption-based attenuation at dual-wavelength LED pairs (e.g., 436 nm & 740 nm) |
| Compliance Standards | DIN EN ISO 7887:2012-04 (Methods B & C), DIN EN ISO 6271-2:2005-03, GOST 3351-74 |
| Measured Parameters | SAC (436/525/620 nm), True Color (410 nm), Hazen/APHA (390/455 nm), Cr-Co (380/413 nm) |
| Turbidity Compensation | Yes, via 740 nm reference channel |
| Accuracy | ±0.5 % of reading |
| Response Time | 4 s |
| Minimum Measurement Interval | 2 s |
| Housing Materials | Stainless Steel 1.4571 / 1.4404 or Titanium Grade 2 (3.7035) |
| Dimensions (L × Ø) | 340 mm × 48 mm (for 50 mm path) |
| Weight | ~2.4 kg (stainless), ~1.3 kg (titanium) |
| Digital Interfaces | Ethernet (TCP/IP), RS-232/RS-485 (Modbus RTU) |
| Analog Output | 4–20 mA |
| Power Supply | 12–24 VDC (±10 %), ≤1 W |
| Max. Pressure Rating | 30 bar (SubConn), 3 bar (fixed cable), 1 bar (flow cell) |
| IP Rating | IP68 |
| Operating Temperature | +2 °C to +40 °C |
| Storage Temperature | −20 °C to +80 °C |
| Flow Velocity Range | 0.1–10 m/s |
| Data Memory | ~2 MB |
| Calibration Interval | 24 months |
| Optical Window | Nano-coated sapphire |
| Cleaning Option | Optional pneumatic cleaning system |