Water Quality Analysis
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Showing 3511–3540 of 3680 results
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | YSI 9100 |
| Pricing | Available Upon Request |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | YSI CastAway™ CTD |
| Sampling Rate | 5 Hz |
| Power | Standard AA batteries (≥40 h operation) |
| GPS | Integrated, with timestamped georeferenced data |
| Waterproof Interface | IP68-rated, operational above and below water surface |
| Wireless Communication | Bluetooth 4.0 |
| Calibration | Factory-calibrated, no user calibration required |
| Conductivity Range | 0–100,000 µS/cm |
| Conductivity Accuracy | ±0.25% of reading ±51 µS/cm |
| Conductivity Resolution | 0.01 µS/cm |
| Temperature Range | −5 to +45 °C |
| Temperature Accuracy | ±0.05 °C |
| Temperature Resolution | 0.01 °C |
| Pressure Range | 0–100 dBar (equivalent to ~100 m depth) |
| Pressure Accuracy | ±0.25% FS |
| Pressure Resolution | 0.01 dBar |
| Salinity Range | 0–42 PSU (PSS-78) |
| Salinity Accuracy | ±0.1 PSU (PSS-78) |
| Salinity Resolution | 0.01 PSU |
| Sound Velocity Range | 1400–1730 m/s |
| Sound Velocity Accuracy | ±0.15 m/s |
| Sound Velocity Resolution | 0.01 m/s |
| GPS Horizontal Accuracy | <10 m (typical, uncorrected) |
| Brand | Xylem |
|---|---|
| Origin | USA |
| Model | YSI Data Buoy |
| Certification | Imported |
| Distribution Type | Authorized Distributor |
| Pricing | Available Upon Request |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | YSI DO200 |
| Pricing | Available Upon Request |
| Temperature Measurement Principle | Thermistor (10 kΩ @ 25 °C) |
| Temperature Range | −6 °C to +46 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C ±1 LSD |
| DO Measurement Principle | Steady-State Polarographic (PE Membrane) |
| DO Range (Air Saturation) | 0–200 % AS |
| DO Resolution (Air Saturation) | 0.1 % AS |
| DO Accuracy (Air Saturation) | ±2 % of reading or ±2 % AS, whichever is greater |
| DO Range (mg/L) | 0–20 ppm |
| DO Resolution (mg/L) | 0.01 ppm |
| DO Accuracy (mg/L) | ±2 % of reading or ±0.2 mg/L, whichever is greater |
| Compensation | Automatic temperature compensation |
| IP Rating | IP67 |
| Probe Cable Options | 4 m or 10 m |
| Membrane Type | Low-stirring-dependency PE membrane |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | DO200 |
| IP Rating | IP65 |
| Probe Material | Stainless Steel with Protective Plastic Sheath |
| Cable Options | 4 m or 10 m |
| Sensor Type | Polarographic (Clark-type) with Fast-Response PE Membrane |
| Compensation | Automatic Temperature, Manual Salinity & Barometric Pressure |
| Power | Battery-operated with Low-Battery Indicator |
| Display | Backlit LCD, Single-Hand Operable Interface |
| Compliance | Designed for Field-Deployable Water Quality Monitoring per ASTM D888, ISO 5814, and US EPA Method 360.1 |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | DO200 |
| Instrument Type | Portable |
| Temperature Measurement Principle | Thermistor (10 kΩ @ 25 °C) |
| Temperature Range | –6 to +46 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C ±1 LSD |
| DO (% Air Saturation) Principle | Steady-State Polarographic (PE Membrane) |
| DO (% AS) Range | 0–200 % |
| DO (% AS) Resolution | 0.1 % |
| DO (% AS) Accuracy | ±2 % of reading or ±2 % air saturation, whichever is greater |
| DO (mg/L) Principle | Steady-State Polarographic (PE Membrane) |
| DO (mg/L) Range | 0–20 mg/L |
| DO (mg/L) Resolution | 0.01 mg/L |
| DO (mg/L) Accuracy | ±2 % of reading or ±0.2 mg/L, whichever is greater |
| Enclosure Rating | IP65 |
| Compensation | Automatic temperature compensation |
| Membrane Type | Next-generation fast-response, low-stirring-dependency PE membrane |
| Cable Options | 4 m or 10 m |
| Probe Construction | Stainless steel sensor with protective polymer sheath |
| Connector | Strain-relieved cable interface |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | YSI EC300 |
| Price | Upon Request |
| Temperature Range | −10 °C to +90 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.2 °C or ±0.4% of full scale, whichever is greater |
| Conductivity Ranges | 0–499.9 μS/cm (0.1 μS/cm res.), 500–4999 μS/cm (1 μS/cm res.), 5.00–49.99 mS/cm (0.01 mS/cm res.), 50.0–200.0 mS/cm (0.1 mS/cm res.) |
| Cond. Accuracy | ±1% reading + 2 μS/cm / ±1% + 5 μS/cm / ±1% + 0.05 mS/cm / ±2.5% + 0.5 mS/cm (by range) |
| Salinity Range | 0.0–70.0 ppt |
| Salinity Resolution | 0.1 ppt |
| Salinity Accuracy | ±0.2% of full scale |
| TDS Calculation | User-configurable conversion factor (0.30–1.00), default 0.65 |
| Operating Temp. | 0–50 °C |
| RH Limit | ≤95% non-condensing |
| Reference Temp. | 15.0–25.0 °C (default 25 °C) |
| Temp. Coefficient | 0.0–4.0% (default 1.91%) |
| Cell Constant | 4.50–5.50 cm⁻¹ (default 5.00 cm⁻¹) |
| Calibration Storage | Automatic |
| Audio Feedback | Keypress tones enabled |
| IP Rating | IP65 (main unit) |
| Power | 1 × 9 V alkaline battery (≈150 h typical life) |
| Dimensions | 18.6 × 7.0 × 3.7 cm |
| Weight | 430 g (with battery) |
| Warranty | 1 year (instrument, probe, cable) |
| Brand | Xylem |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | EMM550 |
| Instrument Type | Online Water Quality Analyzer |
| Buoy Construction Material | Surlyn®-based Ionomeric Foam |
| Structural Design | Modular, Symmetric Circular Hull with Integrated Ballast Chamber |
| Certified Compliance | NOAA NDBC & USCG Approved Buoy Platform |
| Deployment Class | Coastal, Estuarine, and Inland Open-Water Long-Term Monitoring |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | EMM700 |
| Construction Material | Surlyn®-based ionomer foam |
| Buoy Diameter | 122 cm |
| Dry Weight | ~318 kg (buoyancy capacity) |
| Structural Frame | Galvanized steel support structure |
| Enclosure | Sealed, watertight stainless-steel electronics chamber with direct seawater thermal coupling |
| Compliance | NOAA NDBC & USCG certified buoy platform |
| Mounting | Integrated mooring and recovery system |
| UV/Stabilizer Integration | Fully compounded into polymer matrix |
| Surface Finish | High-pressure, high-temperature densified skin (analogous to golf ball cover stock) |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | EXO NitraLED |
| Instrument Type | Submersible Optical Nitrate Analyzer for Freshwater |
| Dimensions | 21.3 cm (L) × 1.5 cm (D) |
| Weight | 0.07 kg |
| Measurement Unit | NO₃–N (mg/L) |
| Light Source | Dual UV LED (235 nm & 275 nm) |
| Optical Path Length | 10 mm |
| Range | 0–10 mg/L-N |
| LOD | 0.005 mg/L-N |
| Accuracy | ±0.1 mg/L-N or ±5% of reading (whichever is greater) within ±2 °C |
| T95 Response Time | <30 s |
| Drift (30-day deployment, 15-min logging) | ≤0.2 mg/L-N |
| Repeatability | ≤2% CV |
| Operating Temp | 5–35 °C |
| Storage Temp | −20–80 °C |
| Depth Rating | 250 m |
| Warranty | 2 years |
| Compatibility | EXO2 and EXO3 multiparameter sondes |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | EXO Vertical Profiling System |
| Depth Range | 1–100 m |
| Measurable Parameters | Temperature, Conductivity, Salinity, pH, ORP, Dissolved Oxygen, Turbidity, Chlorophyll-a, Phycocyanin, PAR |
| Integrated Sensors | Wind Speed/Direction, Air Temperature, Barometric Pressure, Relative Humidity, Rainfall, Solar Radiation, Sonar Depth |
| Deployment Configurations | Fixed-Mount, Barge-Mounted, Buoy-Mounted |
| Data Transmission | Cellular (3G/4G/LTE), Satellite (Iridium), Radio, Ethernet, or Local SD Card Storage |
| Power Supply | Lead-Acid Battery with Solar Charge Controller |
| Compliance | Designed for long-term unattended operation in compliance with US EPA Method 160.1 (water quality monitoring), ASTM D511/D512/D513/D514/D515/D516/D517/D518/D519/D520/D521/D522/D523/D524/D525/D526/D527/D528/D529/D530/D531/D532/D533/D534/D535/D536/D537/D538/D539/D540/D541/D542/D543/D544/D545/D546/D547/D548/D549/D550/D551/D552/D553/D554/D555/D556/D557/D558/D559/D560/D561/D562/D563/D564/D565/D566/D567/D568/D569/D570/D571/D572/D573/D574/D575/D576/D577/D578/D579/D580/D581/D582/D583/D584/D585/D586/D587/D588/D589/D590/D591/D592/D593/D594/D595/D596/D597/D598/D599/D600/D601/D602/D603/D604/D605/D606/D607/D608/D609/D610/D611/D612/D613/D614/D615/D616/D617/D618/D619/D620/D621/D622/D623/D624/D625/D626/D627/D628/D629/D630/D631/D632/D633/D634/D635/D636/D637/D638/D639/D640/D641/D642/D643/D644/D645/D646/D647/D648/D649/D650/D651/D652/D653/D654/D655/D656/D657/D658/D659/D660/D661/D662/D663/D664/D665/D666/D667/D668/D669/D670/D671/D672/D673/D674/D675/D676/D677/D678/D679/D680/D681/D682/D683/D684/D685/D686/D687/D688/D689/D690/D691/D692/D693/D694/D695/D696/D697/D698/D699/D700/D701/D702/D703/D704/D705/D706/D707/D708/D709/D710/D711/D712/D713/D714/D715/D716/D717/D718/D719/D720/D721/D722/D723/D724/D725/D726/D727/D728/D729/D730/D731/D732/D733/D734/D735/D736/D737/D738/D739/D740/D741/D742/D743/D744/D745/D746/D747/D748/D749/D750/D751/D752/D753/D754/D755/D756/D757/D758/D759/D760/D761/D762/D763/D764/D765/D766/D767/D768/D769/D770/D771/D772/D773/D774/D775/D776/D777/D778/D779/D780/D781/D782/D783/D784/D785/D786/D787/D788/D789/D790/D791/D792/D793/D794/D795/D796/D797/D798/D799/D800/D801/D802/D803/D804/D805/D806/D807/D808/D809/D810/D811/D812/D813/D814/D815/D816/D817/D818/D819/D820/D821/D822/D823/D824/D825/D826/D827/D828/D829/D830/D831/D832/D833/D834/D835/D836/D837/D838/D839/D840/D841/D842/D843/D844/D845/D846/D847/D848/D849/D850/D851/D852/D853/D854/D855/D856/D857/D858/D859/D860/D861/D862/D863/D864/D865/D866/D867/D868/D869/D870/D871/D872/D873/D874/D875/D876/D877/D878/D879/D880/D881/D882/D883/D884/D885/D886/D887/D888/D889/D890/D891/D892/D893/D894/D895/D896/D897/D898/D899/D900/D901/D902/D903/D904/D905/D906/D907/D908/D909/D910/D911/D912/D913/D914/D915/D916/D917/D918/D919/D920/D921/D922/D923/D924/D925/D926/D927/D928/D929/D930/D931/D932/D933/D934/D935/D936/D937/D938/D939/D940/D941/D942/D943/D944/D945/D946/D947/D948/D949/D950/D951/D952/D953/D954/D955/D956/D957/D958/D959/D960/D961/D962/D963/D964/D965/D966/D967/D968/D969/D970/D971/D972/D973/D974/D975/D976/D977/D978/D979/D980/D981/D982/D983/D984/D985/D986/D987/D988/D989/D990/D991/D992/D993/D994/D995/D996/D997/D998/D999/D1000 |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | EXO-S |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | Dissolved Oxygen (DO), Conductivity, Specific Conductivity, Salinity, Resistivity |
| Power Supply | External DC Power Only (Battery-Free Design) |
| Dimensions | Up to 40% shorter than standard EXO |
| Weight | Up to 30% lighter than standard EXO |
| Brand | YSI (Xylem Inc.) |
|---|---|
| Origin | USA |
| Model | EXO1 / EXO2 |
| Depth Rating | 250 m |
| Dimensions | ≤8 cm diameter × 72 cm length |
| Weight | ≤3 kg |
| Battery Life | >90 days at 15-min logging interval (multi-parameter) |
| Power Options | 4×AA alkaline or rechargeable batteries (internal sealed compartment), 12 V DC external supply, or USB-powered via SOA port |
| Communication | Integrated Bluetooth 4.0 + SDI-12 + USB |
| Memory | 512 MB non-volatile flash (1 million+ readings) |
| Sensor Interface | Wet-mateable, smart-sensor auto-recognized ports with dual O-ring sealing |
| Compliance | NIST-traceable calibration support, ASTM D511/D512/D5257/D6508/D7282/D7573 compatible, GLP/GMP-ready data audit trail |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | EXO2s |
| Instrument Type | In-situ, Real-time Multiparameter Water Quality Analyzer |
| Measured Parameters | Dissolved Oxygen (DO), pH, Conductivity, Temperature, Turbidity, Chlorophyll-a, and Additional Sensor Ports for Expansion |
| Weight Reduction | 30% vs. EXO2 |
| Length Reduction | 33% vs. EXO2 |
| Power | Rechargeable Lithium-ion Battery (No Alkaline Batteries) |
| Deployment Platforms | AUVs, USVs, ROVs, Submersible Samplers, Moored Buoys, Integrated Environmental Monitoring Systems |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | YSI Level Scout |
| Instrument Type | Submersible Water Level and Temperature Data Logger |
| Housing Rating | NEMA 6P / IP68 |
| Sensor Technology | Piezoresistive Pressure Transducer with Temperature Compensation |
| Memory Options | 2 MB or 4 MB Non-Volatile Flash |
| Battery Life | Up to 3 Years (Field-Replacable) |
| Sampling Modes | Linear, Linear Average, Event-Triggered, Logarithmic |
| Max Sampling Rate | 15 Hz |
| Pressure Range Options | 3 m, 15 m, 23 m, 76 m, 211 m H₂O |
| Barometric Range | 550–1100 mbar |
| Water Level Accuracy | ±0.05% FS (>3 m), ±0.10% FS (≤3 m) |
| Temperature Accuracy | ±1.0°C (2 MB), ±0.2°C (4 MB) |
| Overpressure Rating | 1.5× FS (safe), 2.0× FS (momentary) |
| Communication Interface | RS-485 |
| Surge Protection | Integrated |
| Enclosure Material | 316 Stainless Steel or Titanium Alloy |
| Outer Diameter | 19 mm |
| Data Transfer Speed | 100 records/sec (19200 baud, P+T+time) |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | YSI 52 |
| DO (Air Saturation) | 0.0–199.9% |
| Resolution | 0.1% air saturation |
| Accuracy | ±0.1% air saturation + 1 LSD |
| DO (mg/L) | 0.0–19.99 mg/L |
| Resolution | 0.01 mg/L |
| Accuracy | ±0.03 mg/L |
| Temperature Range | −5 to +45 °C |
| Resolution | 0.1 °C |
| Accuracy | ±0.1 °C |
| Temp Compensation Range | 0 to +45 °C |
| Salt Compensation Range | 0–40 ppt |
| Resolution | 0.01 ppt |
| Accuracy | ±1.0% of reading or ±0.1 ppt (whichever is greater) |
| Data Storage | 70 non-volatile memory records (DO, temp, date, time) |
| IP Rating | >IP65 |
| Power | 6 × D-cell alkaline batteries (typical life: 100 h) |
| Dimensions | 21.6 × 28.0 × 9.5 cm |
| Weight | 2.4 kg |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | YSI Model 52 |
| Price | Upon Request |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | YSI Model 58 |
| Price | Upon Request |
| Key | Origin: USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | YSI Model 63 |
| Pricing | Available Upon Request |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | YSI pH10 |
| Price | Upon Request |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | YSI pH100 |
| Price | Upon Request |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | PRO1020 |
| Measurement Parameters | Temperature, pH, Dissolved Oxygen (DO) |
| DO Method | Polarographic (Clark-type) or Galvanic Cell (user-selectable) |
| DO Range | 0–50 mg/L (0–500% air saturation) |
| pH Range | 0–14 |
| pH Resolution | 0.01 |
| pH Accuracy | ±0.2 |
| Temperature Range | –5 to +55 °C |
| Temperature Accuracy | ±0.2 °C |
| ORP Range | –1500 to +1500 mV |
| ORP Accuracy | ±20 mV |
| DO Resolution | 0.01 or 0.1 mg/L (selectable) |
| DO Accuracy | ±2% or ±0.2 mg/L (0–20 mg/L), ±6% (20–50 mg/L) |
| Data Storage | 50 measurement sets |
| Display | Backlit LCD with dual backlight (screen + keypad) |
| Enclosure Rating | IP67 |
| Dimensions | 8.3 × 21.6 × 2.3 cm |
| Weight | 475 g (with batteries) |
| Power | Two AA alkaline batteries |
| Cable Options | 1 m / 4 m / 10 m / 20 m / 30 m detachable cables |
| Connector | MIL-spec waterproof quick-disconnect |
| Probe Housing | Stainless steel protective sleeve |
| Battery Compartment | Independently sealed from electronics |
| Bend Endurance | ≥300,000 cable flex cycles |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model No. | 6050020 |
| Instrument Type | Laboratory-Grade Portable DO Meter |
| Measurement Principle | Galvanic Electrochemical Sensor (Primary Cell) |
| DO Range | 0.00–50.00 mg/L (ppm) |
| Accuracy | ±2% of reading (±6% at 200–500% saturation) |
| Repeatability | ±0.05% |
| Detection Limit | 0.00 mg/L ± 0.2 mg/L |
| Atmospheric Pressure Compensation | Built-in Barometer (375–825 mmHg, ±3 mmHg accuracy) |
| Temperature Range | –5 to +70 °C (±0.2 °C) |
| IP Rating | IP67 |
| Data Storage | 50 measurement sets |
| Power | Two C-cell batteries (≥400 h typical life) |
| Dimensions | 21.6 × 8.3 × 5.7 cm |
| Weight | 475 g |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 6052030 |
| Instrument Type | Laboratory & Field-Portable Water Quality Analyzer |
| IP Rating | IP67 |
| Dimensions | 21.6 × 8.3 × 5.7 cm |
| Weight | 475 g |
| Power | Two C-cell batteries (≥400 hours operation) |
| Data Storage | 50 measurement sets |
| Certifications | RoHS, CE, WEEE, IP67, MIL-STD-810G 1-m drop tested |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | Pro20i |
| Instrument Type | Portable |
| Measurement Principle | Polarographic Electrochemical Probe |
| DO Range | 0–50 mg/L |
| Accuracy | ±0.2 mg/L (at 0–20 mg/L) |
| Temperature Range | −5 to 55 °C |
| Temp Accuracy | ±0.3 °C |
| Pressure Range | 53–133 kPa |
| Pressure Accuracy | ±0.4 kPa |
| Resolution (DO) | 0.01 or 0.1 mg/L (selectable) |
| Resolution (Temp) | 0.1 °C |
| Resolution (Pressure) | 0.01 kPa |
| Data Storage | 50 sets |
| IP Rating | IP67 |
| Drop Test | 1 m |
| Battery Life | 400 h (2 × C-cell alkaline) |
| Certifications | RoHS, CE, WEEE, IP67 |
| Brand | Xylem |
|---|---|
| Origin | USA |
| Model | YSI ProDSS |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Sensor Interface | 4x Smart Sensor Ports |
| Display | High-Resolution Color LCD |
| Depth Rating | IP67 (submersible to 1 m for 30 min) |
| Cable Options | Up to 100 m (with or without integrated depth sensor) |
| Power | Rechargeable Lithium-Ion Battery |
| GPS | Optional Integrated Module |
| Compliance | Designed for ASTM D3370, ISO 5814, ISO 7888, USP <643>, EPA Method 180.1, and GLP-compliant field data collection |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 6050000 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | 626250-50 |
| Instrument Type | Laboratory |
| Measurement Principle | Fluorescence Lifetime Quenching (Non-consumptive Optical Sensing) |
| DO Range | 0.00–50.00 mg/L (0–500% saturation) |
| Accuracy | ±0.1 mg/L or ±1% of reading (0–20 mg/L) |
| Resolution | 0.01/0.1 mg/L (selectable) |
| Temperature Range | 5–70 °C |
| Temp Accuracy | ±0.2 °C |
| Barometric Pressure Range | 50–110 kPa |
| Pressure Accuracy | ±0.2 kPa (0–50 °C) |
| Response Time | T90 = 25 s, T95 = 45 s |
| Calibration | Single-point or two-point (including zero) for DO |
| Compliance | RoHS, CE, WEEE, C-Tick, VCCI, IP67, MIL-STD-810G drop-tested (1 m), ISO 9001-compatible GLP logging |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | ProQuatro |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Principle | Electrochemical Sensors |
| Measured Parameters | pH, Dissolved Oxygen (DO), Electrical Conductivity (EC), Salinity, Total Dissolved Solids (TDS), Temperature |
| Measurement Ranges | pH: 0–14.00 |
| DO | 0–50.0 mg/L |
| EC | 0–200,000 µS/cm |
| Salinity | 0–70 ppt |
| Temperature | −5 to +60 °C |
| Repeatability | pH: ±0.02 pH |
| DO | ±0.2 mg/L |
| EC | ±0.5% of full scale |
| Temperature | ±0.1 °C |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | ProQuatro |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | Dissolved Oxygen (DO), Electrical Conductivity, Specific Conductivity, Salinity, Resistivity, Barometric Pressure |
| Dimensions | 8.3 cm × 21.6 cm × 2.3 cm |
| Weight (with batteries) | 475 g |
| Power Supply | Two C-cell alkaline batteries (80 h runtime at ambient temperature, backlight off) or micro-USB power input |
| Operating Temperature | −10 °C to +60 °C |
| Storage Temperature | −20 °C to +70 °C |
| Display | Backlit graphical LCD |
| Memory Capacity | 5,000 data sets with 50 unique ID tags |
| Data Logging Modes | Single-point or continuous logging with auto-stability detection |
| Cable Options | Field cables (1, 4, 10, 20, 30 m) |
| Barometer Range | 375–825 mmHg |
| Accuracy | ±1.5 mmHg (0–50 °C) |
| Resolution | 0.1 mmHg |
| DO Membrane Response Time (T95) | 8 s (1.25 mil PE, flow = 0.15 m/s), 17 s (2.0 mil PE, flow = 0.08 m/s), 18 s (1 mil Teflon®, flow = 0.30 m/s) |
| Ingress Protection | IP67 (submersible even with battery door open) |
| Warranty | 3 years instrument, 2 years cables |
| Certifications | RoHS, CE, FCC |
| Language Support | English, Simplified/Traditional Chinese, French, German, Italian, Japanese, Norwegian, Portuguese, Spanish |