Water Quality Analysis
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Showing 2431–2460 of 3714 results
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | SERES 2000 Pb |
| Instrument Type | Online Analyzer |
| Detection Principle | Spectrophotometry (High-Temperature Oxidation + Porphyrin-Based Colorimetry) |
| Target Analyte | Lead (Pb) |
| Analysis Time | ≤30 min per cycle |
| Accuracy/Precision | ±10% of full scale |
| Resolution | 0.01 mg/L |
| Detection Range | 0.05–5.00 mg/L (typical, configurable per regulatory requirements) |
| Sample Inlet | Non-contact peristaltic pumping with modified PTFE tubing |
| Digestion System | High-temperature, high-pressure oxidation module (up to 120 °C, 0.3 MPa) |
| Photometric Unit | High-stability dual-beam spectrophotometer with 520 nm LED source and thermoelectrically stabilized detector |
| Reagent Delivery | Infrared optical reagent metering system with <±0.5% volumetric repeatability |
| Valve System | Imported multi-position selection valve (ceramic rotor, chemically inert) |
| Temperature Control | PID-regulated thermal management (±0.3 °C stability over operating range) |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | OEM Manufacturer |
| Product Origin | Domestic (China) |
| Model | SERES 2000 TP |
| Measurement Parameter | Total Phosphorus (TP) |
| Instrument Type | Online Analyzer |
| Measurement Principle | UV-Catalyzed Alkaline Persulfate Oxidation Coupled with Molybdenum Blue Spectrophotometry |
| Measurement Range | 0–0.5 / 0–5 / 0–10 / 0–50 mg/L P (selectable ranges) |
| Accuracy | ±3% of reading |
| Detection Limit | 0.005 mg/L |
| Resolution | ≤0.01 mg/L |
| Compliance Standard | HJ/T 103–2003 |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | SERES 2000 Zn |
| Instrument Type | Online Analyzer |
| Detection Principle | Photometric Method (Porphyrin-based Colorimetry) |
| Target Analyte | Zinc (Zn) |
| Analysis Time | ≤40 min |
| Accuracy/Precision | ±10% |
| Resolution | 0.01 mg/L |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SERES2000 |
| Instrument Type | Online Water Quality Analyzer |
| Analyte | Hexavalent Chromium (Cr(VI)) |
| Measurement Principle | 1,5-Diphenylcarbazide (DPC) Spectrophotometric Method |
| Wavelength | 540 nm |
| Compliance | HJ 609–2011 |
| Valve System | Imported Multi-Position Rotary Valve |
| Detection System | High-Precision Infrared Photometric Reagent Metering |
| Optical Unit | High-Accuracy Spectrophotometer |
| Sample Introduction | Non-Contact Peristaltic Sampling |
| Tubing Material | Modified PTFE |
| Temperature Control | Precision Thermostatic Regulation |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SSGeosub2 |
| Instrument Type | Manual Water Sampler |
| Max Submersion Depth | 60 m (with optional drop-pipe extension) |
| Flow Rate Range | 100–2500 mL/min (adjustable via controller) |
| Pump Head Diameter | 4.5 cm |
| Pump Head Weight | 2 kg |
| Power Supply | AC or DC input |
| Display | Digital LCD |
| Control | Push-button interface with onboard microprocessor |
| Protection | Short-circuit protection |
| Application | Groundwater sampling and well purging |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | Xact 920 |
| Price Range | USD 70,000 – 125,000 (FOB) |
| Instrument Type | Online Analyzer |
| Detection Principle | X-ray Fluorescence (XRF) with Real-Time Regeneration (RTR) |
| Target Elements | Up to 24 heavy metals simultaneously |
| Measurement Interval | Configurable at 15, 30, 60, 120, 180, or 240 minutes per cycle |
| Detection Range | Sub-ppb to low-ppt levels |
| Sample Matrix | Aqueous solutions with variable total dissolved solids (TDS) |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Online Analyzer |
| Measurement Principle | Potassium Dichromate Oxidation–Spectrophotometric Method |
| Measurement Range | 0–3500 mg/L COD<sub>Cr</sub> (expandable) |
| Repeatability | ±3% RSD |
| Limit of Detection | 5 mg/L COD<sub>Cr</sub> |
| Analysis Cycle Time | 60–360 min per measurement |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | XH-WQST |
| Instrument Type | Online Water Quality Analyzer |
| Measured Parameters | COD, BOD, TOC, UV₂₅₄, Color, Turbidity, Nitrate-N, Nitrite-N |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | XHAN-90B |
| Instrument Type | Online Analyzer |
| Measurement Principle | Ammonia Gas-Sensing Electrode Method |
| Measurement Range | 0–1000 mg/L NH₃–N (adjustable in multiple sub-ranges) |
| Detection Limit | 0.05 mg/L NH₃–N |
| Response Time | < 3 minutes (t₉₀) |
| Sample Requirements | Particulate concentration ≤ 10 mg/L, particle size < 0.1 mm (filtration not required) |
| Calibration | Automated two-point calibration (zero/span) |
| Data Storage | ≥ 90 days of high-resolution time-stamped records (1-min to 1-h intervals configurable) |
| Communication Interfaces | 4–20 mA analog output, RS485 serial interface, MODBUS RTU protocol support |
| Remote Access | TCP/IP-enabled for web-based monitoring and configuration |
| Maintenance Features | Automatic electrode cleaning cycle, reagent level monitoring, fault diagnostics with event logging |
| Compliance | Designed to meet ISO 15681-2:2022 (Water quality — Determination of phosphorus and nitrogen compounds — Part 2: Ammonium — Electrode method), supports GLP/GMP data integrity requirements including audit trail and user access control |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | XHAN-91 |
| Price Range | USD 21,000 – 28,000 (FOB) |
| Instrument Type | Online Analyzer |
| Measurement Principle | Colorimetric Method (Nesslerization or Salicylate, compliant with ISO 7150-1 & HJ 1002-2018) |
| Measurement Range | 0.1–80 mg/L NH₃–N (extendable via dilution module) |
| Detection Limit | 0.005 mg/L NH₃–N |
| Cycle Time | 40–60 minutes per analysis |
| Temperature Control Accuracy | ±0.1 °C |
| Reagent Consumption | <100 µL per measurement |
| Flow System | Zero-dead-volume sequential injection manifold |
| Calibration | Auto-range switching without standard solution replacement |
| Data Integrity | Built-in audit trail, event logging, and power-loss recovery |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | XHCODMn-90 |
| Measuring Principle | Acidic Potassium Permanganate Oxidation with Photometric Endpoint Detection |
| Range | 0–20 mg/L (expandable) |
| Repeatability | ±4% |
| Accuracy | ±4% |
| LOD | 0.1 mg/L |
| Resolution | 0.01 mg/L |
| Analysis Time per Cycle | 40–60 min |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | XHTN-90 |
| Measurement Parameter | Total Nitrogen |
| Instrument Type | Online Analyzer |
| Measurement Principle | Spectrophotometry (Alkaline Potassium Persulfate Digestion + UV Absorption at 220 nm) |
| Measurement Range | 0–50 mg/L (expandable) |
| Accuracy | ±3.0% FS |
| Detection Limit | 0.1 mg/L |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer | Yes |
| Country of Origin | China |
| Model | XHUV-90A |
| Measurement Wavelength | 254 nm (UV) + Visible Reference |
| Compensation | Temperature & Visible-Light Baseline Correction |
| Measurement Ranges | 0–200 m⁻¹ |
| Repeatability | ±1.5% FS |
| Zero Drift | ±1.5% FS |
| Span Drift | ±1.5% FS |
| Linearity | ±4% FS |
| Power Supply | AC 220 V, 50 Hz |
| Output Interfaces | RS232/RS485 digital communication |
| Display | Touchscreen LCD with Chinese UI |
| Brand | Sanxin |
|---|---|
| Model | MP516 |
| Measurement Principle | Polarographic (Clark-type) Electrochemical Detection |
| DO Range | 0–40.00 mg/L (ppm) / 0–200.0 % saturation |
| Accuracy | ±0.10 mg/L |
| Temp. Compensation | 0–45 °C (auto) |
| Salinity Compensation | 0–45 ppt (auto) |
| Barometric Compensation | 80–105 kPa (integrated sensor) |
| Calibration Modes | Water-saturated air & air-saturated water |
| Temp. Range (sensor) | 0–45 °C |
| Temp. Accuracy | ±0.4 °C |
| Data Storage | 600 sets |
| Interface | RS232 |
| Power | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| IP Rating | IP54 |
| Electrode Type | Replaceable DO500 polarographic sensor with DO503 membrane cap and DO502 electrolyte solution |
| Includes | 901 Smart Stirrer, 602 Universal Electrode Holder, Cathode Polishing Paper |
| Brand | Sanxin Peirui |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Sodium Ion Analyzer |
| Measurement Range (Meter) | 0.00–9.00 pNa |
| (with配套 electrode system) | 1.00–7.00 pNa |
| Accuracy (Meter) | ±0.01 pX |
| (System) | ±0.02 pX |
| Temperature Range | −10 °C to 110 °C |
| Detection Limit (Static) | ≥2 ppb Na⁺ |
| (Dynamic) | ≥0.2 ppb Na⁺ |
| Units | pNa, mol/L, mg/L, ppm |
| Temperature Compensation | 0–50 °C |
| mV Range | ±1999.9 mV |
| Resolution | 0.1 mV |
| Accuracy | ±0.1% FS |
| Temp Accuracy | ±0.5 °C (5–60 °C), ±1.0 °C (elsewhere) |
| Data Storage | 600 entries |
| Interface | RS232 |
| Power | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| IP Rating | IP54 |
| Compliance | GLP-compliant architecture, supports audit-ready data logging |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Ion Measured | Fluoride (F⁻) |
| Measurement Range (Meter) | 0.00–9.00 pF |
| Measurement Range (with Electrode Pair) | 1.00–7.00 pF |
| Accuracy (Meter) | ±0.01 pF |
| Accuracy (Electrode System) | ±0.02 pF |
| Temperature Range | −10 °C to 110 °C |
| Temperature Compensation Range | 0 °C to 50 °C |
| mV Range | ±1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.1% FS |
| Temperature Accuracy | ±0.5 °C (5–60 °C), ±1.0 °C (other ranges) |
| Data Storage | 600 sets |
| Interface | RS232 |
| Power Supply | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| IP Rating | IP54 |
| Compliance | GLP-compliant design, dust- and splash-resistant enclosure |
| Brand | Sanxin |
|---|---|
| Model | MP521 |
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Water Quality Analyzer |
| Measuring Parameters | pH, mV, Conductivity (0.00 μS/cm – 200.0 mS/cm), Resistivity, TDS, Salinity |
| pH Range | −1.99 to 19.99 pH |
| pH Accuracy | ±0.01 pH |
| Temperature Compensation (pH) | 0–100 °C |
| mV Range | ±1999 mV |
| mV Accuracy | ±0.1% FS |
| Conductivity Range | 0–200.0 mS/cm (5-range auto-scaling) |
| Conductivity Accuracy | ±1.0% FS |
| Temp. Range | −10 to 110 °C |
| Temp. Accuracy | ±0.5 °C |
| Data Storage | 900 sets |
| Interface | RS232 |
| Power | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| IP Rating | IP54 |
| Compliance | GLP-compliant design, supports audit-ready data logging |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Model | MP522 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measured Parameters | pH, mV, ORP, Conductivity, Resistivity, TDS, Salinity |
| pH Range | −2.000 to 19.999 |
| pH Accuracy | ±0.002 |
| Temperature Compensation (pH) | 0–100 °C |
| mV Range | ±1999.9 mV |
| mV Accuracy | ±0.03% FS |
| Conductivity Range | 0–2000 mS/cm (6 ranges, K=1 and K=10 electrodes supported) |
| Conductivity Accuracy | ±0.5% FS |
| Temperature Range | −10 to 110 °C |
| Temp. Accuracy | ±0.4 °C |
| Resistivity | 0–100 MΩ·cm |
| TDS | 0–100 g/L |
| Salinity | 0–100 ppt |
| Data Storage | 900 sets |
| Interface | RS232 |
| Power | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| IP Rating | IP54 |
| GLP Compliance | Yes |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | MP523-01 |
| Instrument Type | Benchtop |
| Measurement Range | pH: −2.000–19.999 |
| Ion Concentration | 0.00–14.00 pX (equivalent to 0.01 mg/L–1000 mg/L depending on ion valence and selectivity) |
| Temperature | −10–110 °C |
| Detection Limit | 0.01 mg/L (typical for monovalent ions) |
| Response Time | ≤60 s (for ion concentration stabilization) |
| Accuracy | pH: ±0.002 pH |
| Ion | ±0.5% of reading (monovalent), ±1.0% of reading (divalent) |
| Temperature | ±0.4 °C |
| Temperature Compensation | Automatic, 0–100 °C (pH), 0–60 °C (ion) |
| Data Storage | 900 sets |
| Interface | RS232 |
| Power Supply | DC 9 V / 300 mA |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| IP Rating | IP54 |
| Compliance | GLP-compliant architecture with audit-trail-capable data logging |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Principle | Electrochemical Potentiometry |
| Measurable Parameters | pH and Ion Activity/Concentration |
| pH Range | −2.000 to 19.999 pH |
| pH Accuracy | ±0.002 pH |
| Temperature Compensation (pH) | 0–100 °C |
| mV Range | ±1999.9 mV |
| mV Accuracy | ±0.03 % FS |
| Ion Range | 0.00–14.00 pX (with unit options: pX, mol/L, mg/L, ppm) |
| Ion Accuracy | ±0.5 % reading (monovalent), ±1.0 % reading (divalent) |
| Temp. Compensation (Ion) | 0–60 °C |
| Temperature Range | −10 to 110 °C |
| Temp. Accuracy | ±0.4 °C |
| Data Storage | 900 sets |
| Interface | RS232 |
| Power Supply | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| IP Rating | IP54 |
| GLP Compliance | Yes |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Model | MP523-02 |
| Ion Type | Sodium |
| Measurement Range (pNa) | 0.00–9.00 pNa (electrometer) |
| Detection Limit | ≥0.2 ppb (dynamic mode), ≥2 ppb (static mode) |
| Accuracy | ±0.01 pNa |
| Temperature Compensation | 0–50 °C |
| Data Storage | 600 sets |
| Interface | RS232 |
| Power Supply | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| IP Rating | IP54 |
| Compliance | GLP-compliant architecture, supports audit-ready data logging |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic Lab-Based Water Quality Analyzer |
| Model | MP523-05 |
| Detection Principle | Electrochemical Potentiometry |
| Measured Parameters | pH and Chloride Ion (Cl⁻) Activity/Concentration |
| pH Range | −1.999 to 19.999 |
| pCl Range (Meter) | 0.00 to 14.00 pX (pCl scale) |
| Electrode-Specific Range | 1.0 to 4.3 pCl |
| Display Units for Cl⁻ | pCl, mol/L, mg/L, ppm |
| pH Accuracy | ±0.002 pH |
| pCl Accuracy | ±0.04 pCl |
| Temperature Compensation | pH: 0–100 °C |
| Cl⁻ | 0–50 °C |
| mV Range | ±1999.9 mV |
| Resolution | 0.1 mV |
| Accuracy | ±0.1% FS |
| Temperature Measurement | −10 to 110 °C |
| Resolution | 0.1 °C |
| Accuracy | ±0.5 °C (5–60 °C), ±1.0 °C (elsewhere) |
| Data Storage | 600 sets |
| Interface | RS232 |
| Power Supply | DC 9 V / 300 mA |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| Brand | Sanxin |
|---|---|
| Model | MP525 |
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Category | Laboratory Water Quality Analyzer |
| pH Range | −2.000 to 19.999 |
| pH Accuracy | ±0.002 pH |
| mV Range | ±1999.9 mV |
| mV Accuracy | ±0.03% FS |
| DO Range | 0–40.00 mg/L (ppm) / 0–200.0% saturation |
| DO Accuracy | ±0.10 mg/L |
| Temperature Range | −10 to 110 °C |
| Temp Accuracy | ±0.4 °C |
| Auto Compensation | Temperature (0–100 °C for pH |
| Calibration Modes | Air-saturated water, Water-saturated air |
| Data Storage | 900 sets |
| Interface | RS232 |
| Power | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| IP Rating | IP54 |
| GLP Compliance | Yes |
| Brand | SANXIN |
|---|---|
| Model | MP526 |
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Measurement Range (Conductivity) | 0–2000 mS/cm (6-range auto-scaling) |
| Measurement Range (DO) | 0–40.00 mg/L and 0–200.0 % saturation |
| Accuracy (Conductivity) | ±0.5% FS |
| Accuracy (DO) | ±0.10 mg/L |
| Temperature Range | −10 to 110 °C |
| Temp. Compensation (Conductivity) | 0–50 °C |
| Temp. Compensation (DO) | 0–45 °C |
| Salinity Compensation (DO) | 0–45 ppt |
| Barometric Compensation (DO) | 80–105 kPa |
| Data Storage | 900 sets |
| Interface | RS232 |
| Power Supply | DC 9 V / 300 mA |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| IP Rating | IP54 |
| GLP Compliance | Yes |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic |
| Model | PC9500 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Principle | Electrochemical Method |
| Measured Parameters | pH, mV, Conductivity, TDS, Salinity, Resistivity, Temperature |
| Measurement Ranges | pH: −2.000–20.000 |
| mV | ±2000.0 |
| Conductivity | 0.00 μS/cm–2000 mS/cm |
| TDS | 0.00 mg/L–1000 g/L |
| Salinity | 0.00–100 ppt |
| Resistivity | 0.00 Ω·cm–100 MΩ·cm |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Model | PHB-4 |
| pH Range | 0.00–14.00 pH |
| mV Range | ±1999 mV |
| pH Resolution | 0.01 pH |
| mV Resolution | 1 mV |
| Operating Temperature | 5–35 °C |
| Relative Humidity | ≤85% RH |
| Electrode | 201B-S pH/ATC Tri-combination Electrode |
| Calibration | Dual-slope 3-point auto-calibration with built-in standard buffer points (5 configurable) |
| Display | Dual-parameter LCD showing pH and temperature simultaneously |
| Temperature Compensation | Automatic (ATC) |
| Electrode Slope Monitoring | Real-time % slope display post-calibration |
| Brand | Sanxin Peirui |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | WS200 |
| Instrument Type | Portable |
| Fluoride Ion Measurement Range | 1.00–6.00 pF |
| Detection Limit | 1.00–6.00 pF |
| Response Time | 5 s |
| Fluoride Accuracy | ±0.01 pF |
| Temperature Range | 0–80 °C |
| pH Range | 0.00–14.00 |
| pH Accuracy | ±0.01 pH |
| ORP Range | ±1999 mV |
| ORP Accuracy | ±0.1% FS |
| Conductivity Range | 0–199.9 mS/cm |
| TDS Range | 0–100 g/L |
| Salinity Range | 0–100 ppt |
| Resistivity Range | 0–100 MΩ·cm |
| Conductivity Accuracy | ±1.0% of reading |
| Temperature Compensation | Automatic (0–80 °C for F⁻ |
| Electrode Constants | 0.1 / 1.0 / 10 cm⁻¹ |
| Reference Temperatures | 18 °C, 20 °C, 25 °C |
| Data Storage | 200 sets (ID, value, unit, temperature) |
| Power | 2 × AA batteries (1.5 V each) |
| Dimensions (meter) | 65 × 120 × 31 mm |
| Weight (meter) | 186 g |
| Carrying Case | 255 × 210 × 50 mm / 1.7 kg |
| Ingress Protection | IP57 |
| Brand | Sanxin Peirui |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SX716 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Clark-type Polarographic Probe |
| Measurement Range | (0–20.00) mg/L (ppm), (0–200.0)% |
| Accuracy | Meter: ±0.10 mg/L |
| System (with probe) | ±0.40 mg/L |
| Repeatability | 0.1% |
| Detection Limit | 0.1 / 0.01 mg/L (ppm), 1 / 0.1 % |
| Response Time | ≤30 s (90% response at 25 °C) |
| Temperature Compensation Range | (0–45) °C (automatic) |
| Salinity Compensation Range | (0–45) ppt (automatic) |
| Barometric Pressure Compensation Range | (66–200) kPa (manual) |
| Data Storage | 100 sets (ID, DO value, unit, temperature) |
| Power Supply | 2 × AA batteries (1.5 V each) |
| Dimensions & Weight | Meter: 65 × 120 × 31 mm / 180 g |
| Carrying Case | 255 × 210 × 50 mm / 790 g |
| Environmental Operating Conditions | 5–35 °C, ≤85% RH |
| Ingress Protection Rating | IP57 |
| Certifications | ISO 9001:2000, CE, CMC |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | SX721 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP |
| pH Range | −2.00 to 19.99 pH |
| ORP Range | ±1999 mV |
| pH Accuracy | ±0.01 pH |
| ORP Accuracy | ±0.1% FS (full scale, auto-ranging) |
| Temperature Compensation Range | 0–100 °C |
| Data Storage Capacity | 200 sets |
| Power Supply | Two AA batteries (1.5 V × 2) |
| Dimensions (L×W×H) | 65 × 120 × 31 mm |
| Weight | 180 g |
| Ingress Protection Rating | IP57 |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-made) |
| Model | SX723 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP (mV), Conductivity, TDS, Salinity, Resistivity, Temperature |
| Measurement Ranges | pH (-2.00–19.99), ±0.01 pH accuracy |
| Temp. compensation | 0–100 °C (pH), 0–50 °C (conductivity) |
| Data Storage | 300 sets |
| Power | 2 × AA batteries (1.5 V) |
| Dimensions & Weight | Meter: 65 × 120 × 31 mm / 180 g |
| Carrying Case | 360 × 270 × 76 mm / 1.5 kg |
| Ingress Protection | IP57 |
| Electrode Interface | 8-pin waterproof connector with automatic electrode recognition |