YSI
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| Brand | YSI |
|---|---|
| Origin | USA |
| Model | 4010-1W |
| DO Measurement Range | 0–60 mg/L |
| DO Accuracy | ≤ ±0.2 mg/L |
| DO Repeatability | ≤ ±0.1 mg/L |
| Response Time (90%) | ≤ 30 s |
| Operating Temperature | 0–50 °C |
| Power Supply | AC 100–240 V (wide-range input) |
| Resolution | 0.01 mg/L |
| DO Measurement Principle | Clark-type electrochemical polarographic sensor with integrated stirring |
| Compliance | ASTM D888, ISO 5814, USP <781>, EPA 450/4-85-001, HJ/T 99–2003, GB 11913–89, GB 7488–87 |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | EC300A |
| Portability | Portable |
| Application Environment | Laboratory & Field |
| Conductivity Range | 0–200 mS/cm |
| TDS Range | 0–100 g/L |
| Resistivity Range | 0–10 MΩ·cm |
| Salinity Range | 0–70 ppt |
| Temperature Range | −10°C to +90°C |
| Conductivity Accuracy | ±1% FS (full-scale) or ±1% reading + offset per range |
| Temperature Accuracy | ±0.2°C or ±0.4% of range (whichever is greater) |
| Conductivity Resolution | 0.01 μS/cm (lowest range), 0.1 mS/cm (highest range) |
| Temperature Resolution | 0.1°C |
| Probe Type | Stable 4-electrode conductivity cell |
| Waterproof Rating | IP65 (instrument body) |
| Power Supply | One 9V alkaline battery (≈150 h typical life) |
| Dimensions | 18.6 × 7.0 × 3.7 cm |
| Weight | 430 g (with battery) |
| Warranty | 1 year limited warranty on instrument, probe, and cable |
| 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 |
| Brand | YSI |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | Pro20+ with Integrated Stirring BOD Probe |
| Price Range | USD 1,950–2,030 (est.) |
| Unit Weight | ~0.3 kg (probe body only) |
| Operating Temperature | 0–50 °C |
| Power Supply | Host-powered via cable interface |
| Repeatability | ≤ ±0.1 mg/L DO |
| Response Time | ≤ 30 s (to 90% of final value) |
| DO Range | 0–50 mg/L |
| Atmospheric Pressure Compensation | Built-in barometer (375–825 mmHg) |
| Conductivity Range | 0–200 mS/cm |
| TDS Range | 0–100 g/L (user-selectable conversion factor: 0.3–1.00 |
| Salinity Range | 0–70 ppt (manual or automatic compensation) |
| Temperature Range | −5 to 70 °C |
| DO Resolution | 0.01/0.1 mg/L |
| Pressure Resolution | 0.1 mmHg |
| Conductivity Resolution | 0.001–0.1 mS/cm |
| TDS Resolution | 4-digit display |
| Salinity Resolution | 0.01 ppt |
| Temperature Resolution | 0.1 °C |
| DO Accuracy | ±2% of reading (0–200%), ±6% of reading (200–500%) |
| Pressure Accuracy | ±3 mmHg |
| Conductivity Accuracy | ±0.5% of reading or ±0.001 mS/cm |
| Salinity Accuracy | ±1% of reading or ±0.1 ppt |
| Temperature Accuracy | ±0.2 °C |
| IP Rating | IP67 |
| Drop Test | Certified for 1-meter drop resistance |
| Enclosure Material | Rugged polycarbonate housing with stainless-steel probe guard |
| Connector Type | MIL-spec waterproof quick-disconnect (rated for >300,000 flex cycles) |
| Data Storage | 50 measurement sets |
| Battery Life | ≥400 hours on two AA alkaline cells |
| Certifications | RoHS, CE, WEEE, IP67 |
| 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 | 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 | ProSolo |
| Measurement Range | DO (0–500% air saturation, 0–50 mg/L) |
| Resolution | DO (0.1% saturation / 0.01 mg/L) |
| Repeatability | DO ≤ ±1% of reading |
| Drift | ≤ ±0.2 mg/L over 24 h (DO) |
| Temperature Compensation | Automatic (−5 to 50 °C) |
| Interface | USB 2.0 |
| Dimensions | 8.3 × 21.6 × 5.6 cm |
| Operating Ambient Temperature | 0–50 °C |
| IP Rating | IP67 |
| Certifications | RoHS, CE, WEEE, C-Tick, VCCI, 1 m drop-tested |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | ProSolo |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence-based Optical Sensing |
| DO Range | 0–50 mg/L (0–500% air saturation) |
| DO Accuracy | ±0.1 mg/L |
| DO Repeatability | ≤±0.5% |
| Temperature Range | –5 to 70 °C |
| Temperature Accuracy | ±0.2 °C |
| Ingress Protection | IP67 |
| Battery Life | Up to 48 h (rechargeable Li-ion) |
| Data Storage | >100,000 readings |
| Calibration Records | 400 entries |
| Compliance | EPA-approved method for BOD testing |
| Cable Options | 1–100 m (standard: 4 m) |