SANXIN
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| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Pen-Style pH Meter |
| Model | PHB-3 |
| Measurement Parameter | Single (pH only) |
| pH Range | 0.0–14.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.1 pH ±1 digit |
| Calibration | Single-point auto-calibration at pH 7.00 |
| Calibration Solution Type | USA-standard buffer |
| Temperature Compensation | None |
| Power Supply | Two AAA batteries (1.5 V × 2) |
| Dimensions | 176 × 25 × 39 mm |
| Weight | 95 g |
| IP Rating | IP57 |
| Auto Power-Off | After 10 minutes of inactivity |
| Low-Battery Indicator | Yes |
| Electrode | Replaceable 201-G plastic-body composite pH electrode (proprietary connector) |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | PHB-3 |
| Instrument Type | Pen-style pH Meter |
| Measurement Range | 0.0–14.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.01 pH |
| Calibration | Single-point (pH 7.00) |
| Temperature Compensation | None |
| Power Supply | Two AAA batteries (1.5 V × 2) |
| Dimensions | 176 × 25 × 39 mm |
| Weight | 95 g |
| IP Rating | IP57 |
| Calibration Solution Compatibility | USA-standard pH buffers (e.g., pH 4.01, 7.00, 10.01) |
| 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 |
|---|---|
| Model | PHS-2C |
| Type | Benchtop Electrochemical pH Meter |
| Origin | Shanghai, China |
| Manufacturer | Sanxin Peray Instrument Co., Ltd. |
| Measurement Range (pH) | 0.00–14.00 pH |
| Resolution | 0.1 / 0.01 pH |
| Accuracy (meter) | ±0.01 pH ±1 digit |
| Accuracy (with electrode) | ±0.02 pH ±1 digit |
| mV Range | ±1500 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.15% FS ±1 digit |
| Input Impedance | ≥1 × 10¹² Ω |
| Stability | ≤±0.01 pH ±1 digit / 3 h |
| Temperature Compensation | Manual (0–100 °C) |
| Display | Backlit LCD (blue), simultaneous pH and temperature readout |
| Calibration | Dual-slope, 3-point automatic calibration |
| Electrode Slope Display | Yes, post-calibration % slope shown |
| Buffer Sets | Built-in NIST and DIN pH buffer tables (pH 4.00, 6.86, 9.18) |
| Temperature Unit | Selectable °C / °F |
| Power Supply | DC 9 V adapter |
| Dimensions (W × D × H) | 160 × 190 × 70 mm |
| Weight | 750 g |
| Operating Environment | 5–35 °C, ≤85% RH |
| Included Electrode | 201-C plastic-body composite pH electrode |
| Optional Accessory | PHT temperature compensation electrode |
| Standard Buffers Supplied | 50 mL each of pH 4.00, 6.86, and 9.18 |
| Brand | Sanxin |
|---|---|
| Model | PHS-3C |
| Type | Benchtop Electrochemical pH Meter |
| Measurement Principle | Potentiometric pH Determination via Glass Electrode |
| pH Range | 0.00–14.00 pH |
| Resolution | 0.01 pH (selectable 0.1/0.01) |
| Accuracy | ±0.01 pH |
| mV Range | ±1999 mV |
| mV Accuracy | ±0.1% FS ±1 digit |
| Temperature Compensation | Manual or Automatic (0–100 °C) |
| Calibration Points | Up to 3-point with built-in buffer standards (pH 4.00, 6.86, 9.18) |
| Electrode Slope Display | % theoretical (Nernstian) slope shown post-calibration |
| Data Storage | 25 measurement records |
| Display | Backlit LCD showing dual parameters (e.g., pH + °C or mV + °C) |
| Power Supply | DC 9 V adapter |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 750 g |
| Compliance | Designed for GLP-compliant laboratory environments |
| Brand | Sanxin |
|---|---|
| Model | SX5150 |
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Measurement Principle | Potentiometric Electrode Method (ND800-S Dual-Function Electrode) |
| Measurands | HCl, H₂SO₄, HNO₃, NaOH, Na₂CO₃, NaCl, KOH |
| Concentration Range | 0–15.00% w/w |
| Resolution | 0.01% |
| Accuracy | ±5% of reading or ±0.5%, whichever is greater |
| Temperature Compensation | Automatic (integrated Pt1000 sensor) |
| Data Storage | 1000 records (ID, solution type, value, unit, date/time) |
| Output Interface | RS232 serial port |
| Display | Backlit blue LCD |
| Enclosure Rating | IP54 |
| Power Supply | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Compliance | GLP-compliant operation log, audit-ready timestamping, auto-calibration traceability |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China) |
| Model | SX620 |
| Instrument Type | Pocket-Style pH Meter |
| Parameter Type | Single-Parameter (pH only) |
| Measurement Range | -1.00 to 15.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Temperature Compensation Range | 0.0 to 60.0 °C (Automatic) |
| Calibration Points | 1–3 point (pH 4.00 / 7.00 / 10.01) |
| Power Supply | Two CR2032 lithium coin cells (≥100 h continuous operation) |
| Dimensions | 148 × 29 × 14 mm |
| Weight | 43 g |
| IP Rating | IP57 |
| Electrode Diameter | 10 mm |
| Calibration Solution Included | China-standard buffer set (pH 4.00, 7.00, 10.01) |
| Brand | SANXIN |
|---|---|
| Model | SX620 |
| Measurement Range | –1.00 to 15.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Temperature Compensation | 0–60 °C (Automatic) |
| Calibration | 1–3 point (pH 4.00 / 7.00 / 10.01) |
| Power Supply | Two CR2032 lithium batteries (≥100 h continuous operation) |
| Dimensions | 148 × 29 × 14 mm |
| Weight | 43 g |
| IP Rating | IP57 |
| Origin | Shanghai, China |
| Manufacturer | SANXIN (Shanghai Sanxin Peirui Instrument Co., Ltd.) |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SX630 |
| Instrument Type | Laboratory-Grade Portable ORP Meter |
| Measurement Range | −1999 to +1999 mV |
| Resolution | ±1 mV |
| Accuracy | ±0.2% FS |
| Temperature Compensation | Automatic, 0–60 °C |
| Power Supply | Two CR2032 Lithium Batteries (≥100 h continuous operation) |
| Dimensions | 148 × 29 × 14 mm |
| Weight | 43 g |
| IP Rating | IP57 |
| Electrode | Replaceable Platinum ORP Sensor (Ø10 mm) |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Product Category | Domestic (China-Made) |
| Model | SX650 |
| Price | USD 85 (FOB Shanghai) |
| Dimensions | 148 × 29 × 14 mm |
| Weight | 38 g |
| IP Rating | IP57 |
| Measurement Range | Conductivity: 0–50.0 mS/cm |
| Resistivity | 0–20.0 MΩ·cm (at low conductivity) & 50–500 μS/cm (mid-range) |
| TDS | 0–35.0 g/L (with 0.50–5.00 mS/cm conversion range) |
| Salinity | 0–25.0 ppt (calibrated to NaCl standard, 5.0–50.0 mS/cm equivalent) |
| Temperature | 0–50.0 °C |
| Accuracy | ±1.0% FS (conductivity), ±0.5 °C (temperature) |
| Temp. Compensation | Automatic, 0–50 °C, β = 2.0 %/°C |
| Calibration | Single-point, using 1413 μS/cm KCl standard |
| Power | Two CR2032 lithium coin cells (≥100 h continuous operation) |
| Compliance | ISO 9001:2000 certified quality management system, CE marked per EU Directive 2014/30/EU (EMC) and 2011/65/EU (RoHS) |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | SX650 |
| Portability | Pen-type |
| Application | Laboratory & Field Use |
| Conductivity Range | 0–50.0 mS/cm |
| TDS Range | 0–35.0 g/L |
| Resistivity Range | 0–20.0 MΩ·cm |
| Salinity Range | 0–25.0 ppt |
| Temperature Range | 0–50.0 °C |
| Accuracy | ±1.0% FS (Conductivity), ±0.5 °C (Temperature) |
| Resolution | 0.1 µS/cm |
| Auto-Temperature Compensation | 0–50 °C (2.0%/°C) |
| Calibration | Single-point (1413 µS/cm) |
| Power | Two CR2032 batteries (≥100 h operation) |
| Dimensions | 148 × 29 × 14 mm |
| Weight | 38 g |
| IP Rating | IP57 |
| Certifications | ISO 9001:2000, CE |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SX650 |
| Detection Parameters | Single-Parameter |
| Portability | Pen-Style |
| Conductivity Range | 0–50.00 mS/cm |
| TDS Range | 0–35.0 g/L |
| Resistivity Range | 0–20.0 MΩ·cm |
| Salinity Range | 0–25.0 ppt |
| Temperature Range | 0–50 °C |
| Accuracy | ±1% FS (Conductivity), ±0.5 °C (Temperature) |
| Minimum Resolution | 0.001 µS/cm |
| Temperature Compensation | Automatic (0–50 °C), Coefficient: 2.0%/°C |
| Calibration | Single-point auto-calibration (1413 µS/cm standard) |
| Power Supply | Two CR2032 lithium batteries (≥100 hours continuous operation) |
| Dimensions & Weight | 148 × 29 × 14 mm / 38 g |
| IP Rating | IP57 |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Portable |
| Parameter Types | pH, ORP, Conductivity, TDS, Salinity, Resistivity, Dissolved Oxygen, Temperature |
| pH Range | −2.00 to 19.999 |
| pH Resolution | 0.1 / 0.01 |
| pH Accuracy | ±0.01 |
| Conductivity Range | 0–200 mS/cm (5 segments) |
| Conductivity Accuracy | ±1.0% FS |
| DO Range | 0–40.00 mg/L, 0–199.9% saturation |
| DO Accuracy | ±0.10% FS |
| Temperature Compensation | Automatic (0–100 °C for pH |
| Calibration | Auto-recognition of 13 pH buffers (US, NIST, Chinese series) |
| Data Storage | 100–400 sets |
| Power | 2 × AA batteries (1.5 V), >100 h life |
| Dimensions (meter) | 65 × 120 × 31 mm |
| Weight (meter) | 180 g |
| Ingress Protection | IP57 |
| Certifications | ISO 9001:2000, CE, CMC |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Parameter Capability | Multi-Parameter |
| pH Measurement Range | −2.00 to 19.99 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| ORP Range | ±1999 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ±0.1% FS |
| Conductivity Range | 0–200 mS/cm (5 segments) |
| TDS Range | 0–100 g/L |
| Salinity Range | 0–100 ppt |
| Resistivity Range | 0–100 MΩ·cm |
| Dissolved Oxygen Range | 0–40.00 mg/L (ppm), 0–199.9% saturation |
| DO Accuracy | ±0.10% FS |
| Temperature Compensation | Automatic (0–100 °C for pH |
| Salt Compensation | Automatic (0–45 ppt) |
| Pressure Compensation | Manual (66–200 kPa) |
| Calibration | Auto-recognition of 13 pH buffers (US/EU, NIST, and Chinese series) |
| Data Storage | 100–400 sets |
| Power | Two AA batteries (1.5 V × 2) |
| Dimensions (Meter) | 65 × 120 × 31 mm |
| Weight (Meter) | 180 g |
| Enclosure Rating | IP57 |
| Certifications | ISO 9001:2000, CE, CMC |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Region of Origin | Domestic (China) |
| Model | SX711 |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH/mV/Temperature) |
| pH Accuracy | ±0.01 pH |
| pH Range | −2.00 to 19.99 pH |
| Resolution | 0.1 / 0.01 pH |
| mV Range | ±1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Temperature Range | −10 to 110 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤2 × 10⁻¹² A |
| Stability | ±0.01 pH / 3 h |
| ATC Range | 0 to 100 °C |
| Data Storage | 200 sets (ID, pH/mV value, unit, temperature) |
| Power Supply | 2 × AA batteries (1.5 V each) |
| Dimensions (Meter) | 65 × 120 × 31 mm |
| Weight (Meter) | 180 g |
| IP Rating | IP57 |
| Certifications | ISO 9001:2000, CE, CMC |
| Operating Environment | 5–35 °C, ≤85% RH |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | SX711 |
| Instrument Type | Portable (not benchtop — corrected per product reality) |
| Parameter Type | Single-parameter (pH/mV) |
| pH Range | –2.00 to 19.99 pH |
| pH Resolution | 0.1 / 0.01 pH |
| pH Accuracy | ±0.01 pH |
| mV Range | ±1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Temperature Range | –10 to 110 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤2 × 10⁻¹² A |
| Stability | ±0.01 pH / 3 h |
| Auto-Temperature Compensation (ATC) | 0 to 100 °C |
| Calibration Buffers | Auto-recognized (13 standard buffers across Chinese, NIST, and European series) |
| Memory Capacity | 200 data sets (ID, pH/mV value, unit, temperature) |
| Power | Two AA batteries (1.5 V × 2) |
| Dimensions (meter) | 65 × 120 × 31 mm |
| Weight (meter) | 180 g |
| IP Rating | IP57 |
| Certifications | ISO 9001:2000, CE, CMC |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-Made) |
| Model | SX712 |
| Instrument Type | Laboratory-Grade Portable ORP Meter |
| ORP Measurement Range | −1999 to +1999 mV |
| Resolution | 1 mV |
| Accuracy (Meter) | ±0.1% FS |
| Accuracy (System with Electrode) | ±15 mV |
| Data Storage Capacity | 100 Sets (ID, Value, Unit) |
| Power Supply | 2 × AA batteries (1.5 V each) |
| Dimensions (Instrument) | 65 × 120 × 31 mm |
| Weight (Instrument) | 180 g |
| Carry Case Dimensions | 255 × 210 × 50 mm |
| Carry Case Weight | 790 g |
| Operating Temperature | 5–35 °C |
| Relative Humidity Limit | ≤85% RH |
| Ingress Protection Rating | IP57 |
| Electrode | 301Pt-S Plastic-Body ORP Composite Electrode |
| Calibration | No calibration required (pre-calibrated Pt electrode) |
| Display | High-contrast blue-backlit LCD with stability indicator (smiley icon) |
| Brand | SANXIN |
|---|---|
| Model | SX713 |
| Type | Portable Conductivity/TDS/Salinity/Resistivity/Temp Meter |
| Origin | Shanghai, China |
| Manufacturer | SANXIN Peirui Instrument Co., Ltd. |
| Measurement Parameters | Conductivity (0.00–199.9 mS/cm), TDS (0–100 g/L), Salinity (0–100 ppt), Resistivity (0–100 MΩ·cm), Temperature (0–100 °C) |
| Accuracy | ±1.0% FS |
| Resolution | 0.01 (unit-dependent) |
| Temp Compensation | Automatic, 0–50 °C |
| Data Storage | 100 sets |
| Power | 2 × AA batteries (1.5 V) |
| Dimensions | 65 × 120 × 31 mm |
| Weight | 180 g |
| IP Rating | IP57 |
| Electrode | SANXIN 2301-S, K = 1.0 cm⁻¹ |
| 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 |
| Brand | Sanxin |
|---|---|
| Model | SX725 |
| Type | Portable Water Quality Analyzer |
| Origin | Shanghai, China |
| Manufacturer | Sanxin Peirui (Shanghai) Co., Ltd. |
| Detection Parameters | pH, ORP (mV), Dissolved Oxygen (DO), Temperature |
| DO Range | 0–20.00 mg/L (ppm) and 0–200.0 % saturation |
| pH Range | −2.00–19.99 pH |
| mV Range | ±1999 mV |
| Temperature Compensation | 0–100 °C (pH), 0–45 °C (DO) |
| DO Accuracy | ±0.10 mg/L |
| pH Accuracy | ±0.01 pH |
| mV Accuracy | ±0.1% FS |
| Salt Compensation | 0–45 ppt (auto) |
| Barometric Pressure Compensation | 66–200 kPa (manual) |
| Data Storage | 300 sets |
| Power | 2 × AA batteries (1.5 V) |
| Dimensions (instrument) | 65 × 120 × 31 mm |
| Weight (instrument) | 180 g |
| IP Rating | IP57 |
| Electrode Interface | 8-pin waterproof connector |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer | SANXIN Precision Instruments Co., Ltd. |
| Model | SX726 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | Conductivity, Dissolved Oxygen (DO), Temperature, TDS, Salinity, Resistivity |
| Measurement Principle | Four-electrode conductivity cell (for conductivity/resistivity/TDS/salinity) |
| Accuracy | ±1.0% FS (conductivity) |
| Temperature Compensation | Automatic (0–50 °C for conductivity |
| Salinity Compensation | Automatic (0–45 ppt) |
| Barometric Pressure Compensation | Manual (66–200 kPa) |
| Data Storage | 200 sets |
| Power Supply | 2 × AA batteries (1.5 V each) |
| Dimensions (meter) | 65 × 120 × 31 mm |
| Weight (meter) | 180 g |
| Enclosure Rating | IP57 |
| Electrode Interface | 8-pin waterproof connector with automatic electrode recognition |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Type | Portable Water Quality Analyzer |
| Measurement Principle | Electrochemical Potentiometry & Conductometry |
| Measured Parameters | pH, ORP (Redox Potential), Electrical Conductivity, TDS, Salinity, Resistivity, Temperature |
| pH Range | −2.00 to 19.99 pH |
| ORP Range | −1999 to +1999 mV |
| Conductivity Ranges | 0.00–19.99 μS/cm, 20.0–199.9 μS/cm, 200–1999 μS/cm, 2.00–19.99 mS/cm, 20.0–199.9 mS/cm |
| TDS Range | 0–100 g/L |
| Salinity Range | 0–100 ppt |
| Resistivity Range | 0–100 MΩ·cm |
| pH Accuracy (Meter) | ±0.01 pH |
| (System w/ Electrode) | ±0.02 pH |
| ORP Accuracy | ±0.1% FS |
| Conductivity Accuracy (Meter) | ±1.0% FS |
| (System w/ Electrode) | ±1.5% FS |
| Temperature Compensation | Automatic (0–100 °C for pH |
| Electrode Constants | 0.1 / 1 / 10 cm⁻¹ |
| Reference Temperatures | 18 °C, 20 °C, 25 °C |
| Data Storage | 400 sets (ID, value, unit, temperature) |
| Power | 2 × AA batteries (1.5 V) |
| Dimensions (Instrument) | 65 × 120 × 31 mm |
| Weight (Instrument) | 180 g |
| IP Rating | IP57 |
| Operating Environment | 5–35 °C, ≤85% RH |
| Certifications | ISO 9001:2015, CE, RoHS, CMC |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Principle | Electrochemical Method |
| Measured Parameters | pH, ORP (mV), Conductivity, TDS, Salinity, Resistivity, Dissolved Oxygen (DO), Temperature |
| Measurement Ranges | pH: (−2.00 to 19.99) pH |
| Conductivity | (0.00–19.99) µS/cm, (20.0–199.9) µS/cm, (200–1999) µS/cm, (2.00–19.99) mS/cm, (20.0–199.9) mS/cm |
| TDS | (0–100) g/L |
| Salinity | (0–100) ppt |
| Resistivity | (0–100) MΩ·cm |
| DO | (0–20.00) mg/L (ppm), (0–200.0)% saturation |
| Accuracy (pH) | ±0.01 pH (meter), ±0.02 pH (system) |
| (Conductivity) | ±1.0% FS (meter), ±1.5% FS (system) |
| (DO) | ±0.10 mg/L (meter), ±0.40 mg/L (system) |
| Temp Compensation | Automatic (0–100 °C for pH |
| DO Electrode Type | Polarographic |
| Data Storage | 400 sets with ID, value, unit, and temperature |
| Power | 2 × AA batteries (1.5 V) |
| Dimensions & Weight | Meter: 65 × 120 × 31 mm / 180 g |
| Carrying Case | 360 × 270 × 76 mm / 1.6 kg |
| IP Rating | IP57 |
| Certifications | ISO 9001:2015, CE, RoHS, CMC |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH/mV) |
| pH Measurement Range | -2.00 to 19.99 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Temperature Compensation Range | 0–100 °C (Automatic or Manual) |
| mV Range | -1999 to +1999 mV |
| mV Resolution | 0.1 mV (±200 mV), 1 mV (outside) |
| mV Accuracy | ±0.1% FS ±1 digit |
| Temperature Measurement | 0–100 °C, ±0.5 °C ±1 digit |
| Data Storage | 500 sets with timestamp, unit, temperature, and ID |
| Calibration | 1–3 point auto-calibration |
| Special Modes | Pure water pH mode, ammonia-added pure water pH mode, non-linear temperature compensation |
| Power Supply | 3 × AA batteries (1.5 V) or USB 5 V DC |
| IP Rating | IP57 |
| Dimensions (Instrument) | 88 × 170 × 33 mm |
| Weight (Instrument) | 313 g |
| Included Electrode | SANXIN 201T-Q combination pH electrode |
| Buffer Kits | pH 4.00, 7.00, 10.01 (50 mL each) |
| Software & Connectivity | PC-Link data management software, USB cable, USB power adapter |
| Enclosure | Dual-layer carrying case (compact + rugged transit case) |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer | SANXIN Precision Instruments Co., Ltd. |
| Model | SX813 |
| Detection Parameter | Single-parameter (Conductivity/TDS/Salinity/Resistivity) |
| Portability | Portable |
| Intended Use | Laboratory & Field Applications |
| Conductivity Range | 0–200 mS/cm (5 auto-ranging segments) |
| TDS Range | 0–100 g/L |
| Resistivity Range | 0–100 MΩ·cm |
| Salinity Range | 0–100 ppt |
| Temperature Range | 0–80 °C (automatic compensation) |
| Accuracy | ±1.0% FS ±1 digit |
| Minimum Resolution | 0.01 µS/cm |
| Temperature Accuracy | ±0.5 °C ±1 digit |
| Data Storage | 500 sets with timestamp, unit, temperature, and measurement value |
| IP Rating | IP57 |
| Power Supply | 3×AA batteries (1.5 V) or DC 5 V via USB |
| Dimensions (instrument) | 88 × 170 × 33 mm |
| Weight (instrument) | 313 g |
| Weight (carrying case) | 1.6 kg |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Probe — Clark-type Polarographic |
| Measurement Range | 0–20.00 mg/L (ppm) |
| Accuracy | ±0.30 mg/L |
| Repeatability | 0.1 mg/L |
| Detection Limit | ±0.30 mg/L |
| Resolution | 0.01/0.1 mg/L (ppm), 0.1/1 % |
| Response Time | ≤30 s (at 25 °C, 90% response) |
| Zero Drift | ≤0.10 mg/L |
| Temperature Compensation Range | 0–45 °C (automatic) |
| Salinity Compensation Range | 0–45 ppt (automatic) |
| Barometric Pressure Compensation | 60.0–199.9 kPa (manual) |
| Temperature Measurement Range | 0–100 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.5 °C ±1 digit |
| Data Storage | 500 sets (ID, date, time, DO value, unit, temperature) |
| Power Supply | 3 × AA batteries (1.5 V) or DC 5 V via USB |
| Dimensions (instrument) | 88 × 170 × 33 mm |
| Weight (instrument) | 313 g |
| IP Rating | IP57 |
| Included Accessories | DO500 polarographic DO probe, DO502 electrolyte solution (30 mL), DO503 membrane caps (×3), cathode polishing paper (×2), PC-Link software CD, USB cable, heavy-duty carrying case, user manual |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | SX823 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurement Principle | Electrochemical Method |
| Measured Parameters | pH, Conductivity, TDS, Salinity, Resistivity |
| pH Range | (−2.00 to 19.99) pH |
| Conductivity Range | 0 to 200 mS/cm (5-range auto-scaling) |
| Temperature Compensation | Automatic or Manual (0–100 °C for pH |
| Electrode Constants | 0.1 / 1.0 / 10 cm⁻¹ |
| Data Storage | 1000 GLP-compliant records |
| IP Rating | IP57 |
| Power | 3 × AA batteries (1.5 V) or DC 5 V via USB |
| Dimensions (Instrument) | 88 × 170 × 33 mm |
| Weight (Instrument) | 313 g |
| Standard Electrodes | 201T-Q Tri-combination pH electrode (Li-glass membrane, integrated temperature sensor) |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-Made) |
| Model | SX825 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurement Principle | Electrochemical Method |
| Measured Parameters | pH, Dissolved Oxygen (DO) |
| pH Range | (−2.00 to 19.99) pH |
| DO Range | 0–20.00 mg/L (ppm), 0–200.0 % saturation |
| pH Resolution | 0.01/0.1 pH |
| pH Accuracy | ±0.01 pH ±1 digit |
| DO Resolution | 0.01/0.1 mg/L |
| DO Accuracy | ±0.30 mg/L |
| DO Response Time | ≤30 s (at 25 °C, 90% response) |
| Temperature Compensation | Automatic (0–100 °C for pH |
| Salinity Compensation | Automatic (0–45 ppt) |
| Barometric Pressure Compensation | Manual (60.0–199.9 kPa) |
| Data Storage | 1000 GLP-compliant records with timestamp, unit, temperature, and measurement value |
| IP Rating | IP57 |
| Power Supply | 3 × AA batteries (1.5 V) or DC 5 V via USB |
| Dimensions (instrument) | 88 × 170 × 33 mm |
| Weight (instrument) | 313 g |
| Weight (carrying case) | 3.2 kg |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Product Category | Domestic |
| Model | TN100 |
| Price | USD 420 (FOB Shanghai) |
| Type | Portable |
| Measurement Range | 0–1000 NTU (FNU), auto-ranging |
| Resolution | 0.01 NTU (0–19.99 NTU), 0.1 NTU (20.0–99.9 NTU), 1 NTU (100–1000 NTU) |
| Operating Temperature | 0–50 °C |
| Accuracy | ≤ ±8% FS |
| Repeatability | ≤ ±1.0% |
| Zero Drift | ≤ ±0.5% FS / 30 min |
| Stability | ≤ ±1.0% FS / 30 min |
| Detection Principle | 90° Nephelometric Scattering |
| Light Source | Infrared LED (860 ± 30 nm) |
| Detector | Silicon Photodiode |
| Calibration Standards | Polymer-based certified standards (0, 20, 100, 400, 800 NTU/FNU), EPA & ASTM compliant |
| Display | 3.5″ TFT color LCD with multilingual GUI (English, Chinese, Spanish) |
| Sample Cell | Borosilicate glass vial (Φ25 × 60 mm, 18 mL capacity) |
| Enclosure Rating | IP67 |
| Power | 4 × AA alkaline batteries |
| Dimensions (Instrument) | 90 × 203 × 80 mm |
| Weight (Instrument) | 385 g |
| Warranty | 2 years (instrument), 1 year (calibration standards) |
| Certifications | ISO 9001:2015, CE, compliant with HJ 1075–2019, ISO 7027:2016, DIN 27027 |