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| Brand | YSI |
|---|---|
| Origin | USA |
| Model | 556MPS |
| Dissolved Oxygen (DO) | 0–500% air saturation / 0–50 mg/L |
| Conductivity | 0–100 mS/cm |
| Salinity | 0–70 ppt |
| Temperature | −5 to 70 °C |
| pH | 0–14 |
| ORP | −999 to +999 mV |
| TDS | 0–100 g/L |
| Barometer (optional) | 500–800 mmHg |
| Accuracy (typical) | ±0.2 °C (temp), ±0.2 pH, ±2% FS (DO <200%), ±0.001 mS/cm (cond), ±0.1 ppt (salinity) |
| Memory | 49,000 data sets with timestamp |
| IP Rating | IP67 |
| Cable Options | 4 m, 10 m, 20 m |
| Power | 4 × C-cell alkaline or rechargeable batteries |
| Dimensions | 22.9 × 11.9 cm |
| Weight | 0.92 kg (with batteries) |
| 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 | 6820/6920 V2-2 |
| Depth Rating | 15 m (ISE probes), 61 m (standard optical probes), 200 m (optional deep-water probes) |
| Data Storage Capacity | 150,000 readings |
| Sampling Interval | User-programmable |
| Battery Life | Up to 30 days at 15-min intervals |
| Power Supply | 12 V DC |
| Communication Interface | SDI-12, RS-232 |
| Compatible Display/Logger | YSI 650MDS |
| Software Platform | EcoWatch for Windows |
| Compliance | ASTM D1129, ASTM D3764, Standard Methods 2540–2550, US EPA Method 180.1 (conductivity), ISO 7888 (conductivity), ISO 10260 (turbidity), ISO 10261 (chlorophyll-a fluorescence) |
| Origin | Italy |
|---|---|
| Manufacturer | AMS Group |
| Instrument Type | Laboratory-Based Discrete Chemistry Analyzer |
| Optical Range | 420–880 nm |
| Linear Absorbance Range | 0.001–2.500 AUFS |
| Resolution | 0.0001 Abs |
| Filter Wheel | 9 + 1 Blind Position |
| Sample Capacity | Up to 126 Positions (5 Racks) |
| Reagent Positions | 16 Total (10 Refrigerated, 6 Ambient) |
| Dispense Volume | 3–450 µL |
| Reaction Temperature Control | 37 °C ±0.1 °C |
| Dimensions (H×W×L) | 42 × 65 × 100 cm |
| Weight | 65 kg |
| Power | 90–250 VAC, 47/63 Hz, 300 W |
| Water Consumption | 2 mL per test |
| Compliance | ASTM, ISO, AOAC, US EPA Methods (incl. EPA 353.2), AFNOR, COFRAC, BATF |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | 6600V2 |
| Sensor Capacity | Up to 4 optical sensors (DO, phycocyanin/blue-green algae, turbidity, chlorophyll-a, rhodamine WT) |
| Measurement Principle | Fluorescence lifetime (ROX DO), optical absorption/scattering (turbidity, chlorophyll, BGA), fluorescence excitation/emission (rhodamine) |
| Operating Temperature | -5 to +50 °C |
| Storage Temperature | -10 to +60 °C |
| Housing Material | PVC |
| Communication Interfaces | RS-232, SDI-12 |
| Memory | 384 KB non-volatile memory (150,000 readings) |
| Power Supply | Internal: 8 × C-cell alkaline batteries (54 days @ 15-min interval, 20 °C) |
| External | 12 V DC |
| Dimensions | Ø 8.9 cm × 49.8 cm (without depth sensor), 54.9 cm (with depth sensor) |
| Weight | 3.18 kg (with batteries and depth sensor) |
| Water Compatibility | Freshwater, seawater, wastewater |
| Self-Cleaning | Integrated brush mechanism on all optical sensors |
| User-Replaceable Sensors | All except depth sensor |
| 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 | 6920DW, 600DW |
| Memory Capacity | 150,000 readings |
| Power Options | Rechargeable battery or AC adapter |
| Compliance | US EPA, USGS, and U.S. DoD validated chlorine sensor |
| Sensor Type | Membrane-based amperometric free chlorine, galvanic dissolved oxygen, thermistor temperature, conductivity cell, pH glass electrode (optional), turbidity (nephelometric, 90° scatter) |
| Data Output | RS-232, SDI-12, analog outputs (4–20 mA), Ethernet (6920DW), cellular modem option (6920DW) |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | 600XLM / 600XL |
| Power Options | Internal rechargeable battery (600XLM only) or external DC power (both models) |
| Data Storage Capacity | Up to 150,000 readings |
| Sampling Interval | User-programmable |
| Battery Life | Up to 75 days at 1-hour intervals (600XLM) |
| Depth Rating | Up to 61 m with optional detachable cable |
| Probe Diameter | ≤5 cm for well deployment |
| Sensor Interface | SDI-12 compliant |
| Compatible Display | YSI 650 MDS |
| Optional Accessories | YSI 5083 Flow Cell (groundwater), YSI 6200 Data Logger Platform |
| Measured Parameters | Temperature (°C), Dissolved Oxygen (% air saturation and mg/L), Conductivity (µS/cm), Specific Conductance (µS/cm @ 25°C), Salinity (ppt), pH (unitless), ORP (mV), Depth/Water Level (m), Total Dissolved Solids (mg/L), Resistivity (kΩ·cm) — TDS and resistivity calculated from conductivity and temperature |
| 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 |
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