Environmental Monitoring Instruments
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| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | SR-305 |
| Dimensions | 200 mm (W) × 200 mm (D) × 600 mm (H) |
| Solvents Supported | S-316 and H-997 |
| Power Requirement | None |
| Regeneration Method | Dual-bed Gravity-driven Adsorption Column System |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | TCA-51d / TCA-51p |
| Explosion Protection | Ex d IIB+H2 T4 / Ex px d IIC T4X |
| Detection Principle | Thermal Conductivity |
| Measurands | H₂, O₂ |
| Range | 0–10 to 0–100 vol% (H₂), 0–5 to 0–25 vol% (O₂) |
| Repeatability | ±0.5% F.S. (standard range) |
| Linearity | ±1.0% F.S. |
| Zero Drift | ±1.0% F.S./week (standard range) |
| Span Drift | ±2.0% F.S./week (standard range) |
| Response Time (T90) | ≤20 s |
| Sample Flow Rate | 300–1500 mL/min |
| Operating Pressure | ≥1.98 kPa (TCA-51d), ≥14.7 kPa (TCA-51p) |
| Wetted Materials | SUS304, SUS316, FKM, Pt, Au, SiO₂, Borosilicate Glass |
| Compliance | IEC 60079-0, IEC 60079-1 (Ex d), IEC 60079-2 (Ex p), ATEX Directive 2014/34/EU, UKCA |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | TIA-51d / TIA-51p |
| Explosion Protection | Ex d IIB+H2 T4 / Ex px d IIC T4X |
| Detection Principle | Non-Dispersive Infrared (NDIR) |
| Measured Gases | Carbon Dioxide (CO₂), Carbon Monoxide (CO) |
| Measurement Range (CO₂) | 0–10 vol% to 0–100 vol% (configurable) |
| Measurement Range (CO) | 0–50 ppm to 0–10,000 ppm (configurable) |
| Repeatability | ±0.5% FS (standard range) |
| Linearity | ±1.0% FS |
| Zero Drift | ±1.0% FS/week |
| Span Drift | ±2.0% FS/week |
| Response Time (T90) | ≤20 s |
| Sample Flow Rate | 500 mL/min (TIA-51d), 1.5 L/min (TIA-51p) |
| Sample Pressure | ≥1.98 kPa (TIA-51d), 14.7–24.5 kPa (TIA-51p) |
| Ambient Operating Temperature | –10 to +50 °C |
| Wetted Materials | SUS304, SUS316, FKM, fused silica, gold-coated optics |
| Compliance | IEC 60079-0, IEC 60079-1 (Ex d), IEC 60079-2 (Ex p), ATEX Directive 2014/34/EU, IECEx Scheme |
| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | TIA-51d / TIA-51p |
| Pricing | Upon Request |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | TPNA-300 |
| Measurement Principle | Alkaline persulfate/UV oxidation followed by UV-Vis spectrophotometry (TN) |
| Detection Range (Standard) | TN: 0–2 mgN/L, TP: 0–0.5 mgP/L |
| Detection Range (1-Stage Dilution) | TN: 0–5/10/20/50 mgN/L, TP: 0–1/2/5/10 mgP/L |
| Detection Range (2-Stage Dilution) | TN: 0–100/200/500/1000 mgN/L, TP: 0–20/50/100/250 mgP/L |
| Repeatability | ±3% FS (standard & 1-stage), ±5% FS (2-stage) |
| Sample Temp. | 2–40 °C |
| Flow Rate | 0.5–5 L/min |
| Analysis Cycle Time | 60 min |
| Analog I/O | 4–20 mA / 0–16 mA configurable |
| Power Supply | AC 100 V ±10 V, 50/60 Hz, ≤400 VA |
| Dimensions | 460 W × 380 D × 1500 H mm |
| Weight | ~80 kg |
| Enclosure Color | Munsell 5PB8/1 |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | TPNA-300 |
| Measurement Principle | Alkaline persulfate/UV oxidation followed by UV spectrophotometry (TN) |
| Detection Range (Standard) | TN: 0–2 mgN/L, TP: 0–0.5 mgP/L |
| Detection Range (1-Stage Dilution) | TN: 0–5/10/20/50 mgN/L, TP: 0–1/2/5/10 mgP/L |
| Detection Range (2-Stage Dilution) | TN: 0–100/200/500/1000 mgN/L, TP: 0–20/50/100/250 mgP/L |
| Repeatability | ±3% FS (standard & 1-stage), ±5% FS (2-stage) |
| Sample Temp. | 2–40 °C |
| Flow Rate | 0.5–5 L/min |
| Analysis Time | 60 min per cycle |
| Analog Outputs | DC 4–20 mA or 0–16 mA (concentration & load), configurable per measurement point |
| Digital I/O | Relay inputs/outputs for flow status, calibration trigger, alarm conditions, and maintenance signals |
| Communication | RS-232C |
| Power Supply | AC 100 V ±10 V, 50/60 Hz, ≤400 VA |
| Dimensions | 460 × 380 × 1500 mm (W×D×H) |
| Weight | ~80 kg |
| Enclosure Color | Munsell 5PB8/1 |
| Ambient Operating Conditions | 2–40 °C, ≤85% RH (non-condensing), indoor installation with adequate ventilation, no direct sunlight |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-20XD Series / W-20XD Series |
| Instrument Type | In-situ, Long-Term Submersible Water Quality Analyzer |
| Waterproof Rating (Control Unit) | IP67 |
| Operating Depth | Up to 100 m |
| Continuous Deployment Duration | 30 days |
| Data Logging Interval | Configurable down to 15 min |
| Total Data Capacity | 2880 records |
| Temperature Range | 0–55 °C (operation), −5–60 °C (storage) |
| Sensor Principle | Glass electrode (pH), Membrane-covered galvanic cell (DO), AC 4-electrode conductivity, Thermistor (temperature), Optical transmission/scattering (turbidity), Piezoresistive pressure (depth), Platinum redox electrode (ORP), Ion-selective electrodes (NO₃⁻, Cl⁻, Ca²⁺, F⁻, K⁺, NH₃) |
| Measured Parameters | pH, Dissolved Oxygen (DO), Conductivity, Salinity, TDS, Seawater Specific Gravity (δt, δ₀, δ₁₅), Turbidity (NTU), Depth (m), Temperature (°C), ORP (mV), and up to 6 optional ion species |
| pH Accuracy | ±0.1, Resolution: 0.01 |
| DO Accuracy | ±0.2 mg/L, Resolution: 0.01 mg/L |
| Conductivity Accuracy | ±3% FS, Resolution: 0.1% FS |
| Turbidity Accuracy | ±5% FS, Resolution: 0.1 NTU |
| Depth Accuracy | ±5% FS, Resolution: 0.1 m |
| ORP Accuracy | ±15 mV, Resolution: 1 mV |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP, Dissolved Oxygen (DO), Conductivity, Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (LED or Tungsten Lamp), Depth (U-52G/U-53G/U-54G) |
| Turbidity Standards | U-53 — US EPA Method |
| Turbidity Resolution | 0.01 NTU |
| DO Sensor Response Time | Enhanced for rapid stabilization |
| Electrode Material | PPS, Glass, SUS316L/SUS304, FKM, PEEK, Titanium, FEP Membrane, POM |
| IP Rating | IP68 (JIS Protection Class 8 for probe), IP67 (JIS Protection Class 7 for main unit with cable connected) |
| Operating Temperature | –5 to 45 °C |
| Storage Temperature | –10 to 60 °C |
| Battery | Four AA alkaline batteries (≈70 h operation without backlight |
| Data Storage | 10,000 sets |
| Communication | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Weight | Probe ≈1.8 kg |
| Cable Length | Standard 2 m (optional 10 m or 30 m) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | pH, ORP, Dissolved Oxygen (DO), Electrical Conductivity (EC), Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (NTU), Water Depth (m), GPS Positioning |
| Turbidity Standards | U-53 — US EPA Method |
| Operating Temperature Range | −10 to 55 °C |
| Depth Measurement Range | up to 30 m |
| IP Rating | IP67 (instrument), IP68 (probe) |
| Battery Life | up to 70 h (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series (U-51/U-52/U-52G/U-53/U-53G/U-54/U-54G) |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Measured Parameters | pH, ORP, Dissolved Oxygen (DO), Conductivity, Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (LED or Tungsten Lamp), Water Depth (select models), GPS (select models) |
| Turbidity Compliance | U-53 — US EPA Method 180.1 |
| Turbidity Resolution | 0.01 NTU |
| Operating Temperature Range | −10 to +55 °C |
| IP Rating | IP67 (instrument), IP68 (probe) |
| Battery Life | Up to 70 hours (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | pH, ORP, Dissolved Oxygen (DO), Conductivity, Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (LED or Tungsten Lamp), Depth (model-dependent) |
| Turbidity Standards | U-53 complies with US EPA Method 180.1 |
| IP Rating | IP67 (instrument), IP68 (probe) |
| Operating Temperature | –5 to 45 °C |
| Storage Temperature | –10 to 60 °C |
| Battery Life | Up to 70 hours (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Probe Cable Length | Standard 2 m (optional 10 m or 30 m) |
| Probe Material | PPS, SUS316L, SUS304, FKM, PEEK, Titanium, FEP membrane, POM |
| GPS | 12-channel (U-52G/U-53G/U-54G models only) |
| Weight | Instrument ~800 g |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series (U-51 / U-52 / U-52G / U-53 / U-53G / U-54 / U-54G) |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | pH, ORP, Dissolved Oxygen (DO), Conductivity, Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (LED or Tungsten Lamp), Water Depth (model-dependent), GPS (U-52G/U-53G/U-54G) |
| Turbidity Standards | U-53 complies with US EPA Method 180.1 |
| IP Rating | IP68 (JIS Protection Class 8 for probe), IP67 (JIS Protection Class 7 for main unit with cable connected) |
| Operating Temperature | −5 to +45 °C |
| Storage Temperature | −10 to +60 °C |
| Battery Life | Up to 70 hours (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication Interface | USB |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series |
| Instrument Type | Portable |
| Measurement Principles | Glass Electrode (pH), Platinum Electrode (ORP), Polarographic Membrane (DO), AC 4-Electrode (Conductivity), LED/Tungsten Light Scattering (Turbidity), Pressure Transducer (Depth), Pt100 RTD (Temperature) |
| pH Range | 0–14 |
| pH Resolution | 0.01 |
| pH Accuracy | ±0.1 |
| pH Repeatability | ±0.05 |
| ORP Range | −2000 to +2000 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ±15 mV |
| DO Range | 0–50.0 mg/L |
| DO Resolution | 0.01 mg/L |
| DO Accuracy | ±0.2 mg/L (0–20 mg/L), ±0.5 mg/L (20–50 mg/L) |
| Conductivity Range | 0–10 S/m (0–100 mS/cm) |
| Conductivity Accuracy | ±1% F.S. (midpoint of dual-point calibration) |
| Turbidity Range | 0–1000 NTU (model-dependent) |
| Turbidity Resolution | 0.01 NTU (0–9.99 NTU) |
| Turbidity Accuracy | ±3% reading or ±0.1 NTU (whichever greater, per ISO 7027 or EPA Method 180.1) |
| Depth Range | 0–30 m |
| Depth Resolution | 0.05 m |
| Depth Accuracy | ±0.3 m |
| Temperature Range | −10 to +55 °C |
| Temperature Accuracy | JIS B-class Pt100 (±0.3 + 0.005 |
| Detection Limit (pH/DO/Cond) | 0.1 unit or mg/L or mS/cm (context-dependent) |
| Measurement Time | <10 seconds per parameter set |
| Data Storage | 10,000 measurement groups |
| Battery Life | ~70 hours (alkaline AA ×4, backlight off) |
| IP Rating | IP67 (instrument), IP68 (probe, JIS Class 8) |
| Operating Temp | −5 to +45 °C |
| Storage Temp | −10 to +60 °C |
| Probe Cable Length | Standard 2 m (optional 10 m / 30 m) |
| Probe Material | PPS, SUS316L, SUS304, FKM, PEEK, Ti, FEP, POM |
| Weight (Probe) | ~1800 g |
| Weight (Instrument) | ~800 g |
| Display | 320 × 240 monochrome LCD with backlight |
| Communication | USB |
| GPS | 12-channel (U-52G/U-53G/U-54G models only) |
| Language Support | English, Japanese, Russian, Spanish, Portuguese |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 (Portable) |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP, Dissolved Oxygen (DO), Electrical Conductivity (EC), Temperature, Salinity, TDS, Specific Gravity (Seawater), Turbidity (NTU), Depth (m), GPS Positioning |
| Turbidity Standards | U-53 — US EPA Method |
| Operating Temperature Range | −10 to 55 °C |
| Electrode Diameter | ~96 mm |
| Electrode Length | ~340 mm |
| Standard Cable Length | 2 m (optional: 10 m / 30 m) |
| Weight (Electrode) | ~1800 g |
| Weight (Host Unit) | ~800 g |
| Display | 320 × 240 monochrome LCD with backlight |
| Data Storage | Up to 10,000 measurement sets |
| Power | Four AA alkaline batteries |
| Battery Life | Up to 70 hours (U-51/U-52/U-54 series, no backlight) |
| IP Rating | IP68 (JIS Protection Class 8 for electrode |
| Materials | PPS, glass, SUS316L/SUS304 stainless steel, FKM, PEEK, titanium, FEP membrane, POM |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurable Parameters | pH, ORP, Dissolved Oxygen (DO), Electrical Conductivity (EC), Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (NTU), Water Depth (m), GPS Positioning |
| Turbidity Standards | U-53 — US EPA Method |
| Operating Temperature Range | −10 to 55 °C |
| IP Rating | IP68 (JIS Protection Class 8 for probe, IP67 for main unit) |
| Battery Life | Up to 70 hours (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Probe Cable Length | Standard 2 m (optional 10 m or 30 m) |
| Probe Material | PPS, glass, SUS316L, SUS304, FKM, PEEK, titanium, FEP membrane, POM |
| Weight | Probe ≈ 1.8 kg |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series (U-51/U-52/U-52G/U-53/U-53G/U-54/U-54G) |
| Instrument Type | Handheld Portable Water Quality Analyzer |
| Measurable Parameters | pH, ORP, Dissolved Oxygen (DO), Conductivity, Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (LED or Tungsten Lamp), Depth (pressure-based, up to 30 m), GPS (U-52G/U-53G/U-54G models) |
| Turbidity Standards | US EPA Method (U-53/U-53G), EN ISO 7027 (U-54/U-54G) |
| Turbidity Resolution | 0.01 NTU |
| IP Rating | IP67 (instrument), IP68 (probe) |
| Operating Temperature | –5 °C to +45 °C |
| Storage Temperature | –10 °C to +60 °C |
| Battery Life | Up to 70 hours (alkaline AA ×4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP, EC, DO, TDS, Salinity, Specific Gravity, Temperature, Turbidity (NTU), Depth, GPS Positioning |
| Turbidity Standards | U-53 complies with US EPA Method |
| Turbidity Resolution | 0.01 NTU |
| Operating Temperature Range | −10 to 55 °C |
| Depth Measurement Range | up to 30 m |
| IP Rating | IP68 (JIS Protection Class 8 for probe |
| Battery Life | up to 70 h (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication Interface | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Portable Series |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP, Dissolved Oxygen (DO), Conductivity, Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (LED or Tungsten Lamp), Depth (select models) |
| Turbidity Standards | U-53 complies with US EPA Method 180.1 |
| Turbidity Resolution | 0.01 NTU |
| DO Sensor Response Time | Enhanced for rapid stabilization |
| Electrode Material | PPS, Glass, SUS316L/SUS304, FKM, PEEK, Titanium, FEP Membrane, POM |
| IP Rating | IP68 (JIS Protection Class 8 for probe), IP67 (JIS Protection Class 7 for main unit with cable connected) |
| Operating Temperature | –5 to 45 °C |
| Storage Temperature | –10 to 60 °C |
| Battery Life | Up to 70 hours (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Weight | Probe ~1.8 kg (3.97 lbs) |
| Probe Dimensions | Ø96 mm × 340 mm L |
| Cable Standard | 2 m (optional: 10 m or 30 m) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP, Dissolved Oxygen (DO), Conductivity, Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (NTU), Water Depth (m), GPS Positioning |
| Turbidity Standards | U-53 — US EPA Method |
| Turbidity Resolution | 0.01 NTU |
| Operating Temperature Range | −10 to 55 °C |
| Waterproof Rating | IP68 (JIS Protection Class 8 for probe |
| Battery Life | Up to 70 hours (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Probe Dimensions | Ø96 mm × 340 mm |
| Cable Length | Standard 2 m (optional 10 m or 30 m) |
| Probe Materials | PPS, glass, SUS316L, SUS304, FKM, PEEK, titanium, FEP membrane, POM |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Outdoor Series |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP, Conductivity, Dissolved Oxygen (DO), Temperature, Turbidity, Salinity, TDS, Specific Gravity (Seawater), Depth, GPS Positioning |
| Turbidity Standards | U-53 complies with US EPA Method 180.1 |
| Turbidity Resolution | 0.01 NTU |
| Operating Temperature Range | −10 to 55 °C |
| Depth Measurement Range | up to 30 m (pressure-based) |
| IP Rating | IP68 (JIS Protection Class 8 for probe |
| Battery Life | up to 70 hours (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication Interface | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Probe Dimensions | Ø96 mm × 340 mm (L) |
| Standard Cable Length | 2 m (optional: 10 m or 30 m) |
| Probe Material | PPS, glass, SUS316L, SUS304, FKM, PEEK, titanium, FEP membrane, POM |
| Weight | Probe ~1.8 kg |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP, Dissolved Oxygen (DO), Conductivity, Salinity, TDS, Seawater Specific Gravity, Temperature, Turbidity (NTU), Depth (m), GPS Position |
| Turbidity Standards | U-53 — US EPA Method |
| Turbidity Resolution | 0.01 NTU |
| Operating Temperature Range | −10 to 55 °C |
| Depth Measurement Range | up to 30 m |
| IP Rating | IP67 (instrument), IP68 (probe) |
| Battery Life | up to 70 hours (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | pH, ORP, Dissolved Oxygen (DO), Conductivity, Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (LED or Tungsten Lamp), Depth (on select models) |
| Turbidity Standards | U-53 complies with US EPA Method 180.1 |
| Turbidity Resolution | 0.01 NTU |
| Depth Measurement Range | Up to 30 m (pressure-based) |
| Operating Temperature | −10 to +55 °C |
| Waterproof Rating | IP68 (JIS Protection Class 8 for probe |
| Data Storage Capacity | 10,000 measurement sets |
| Power Supply | Four AA alkaline batteries (≈70 h operation without backlight) |
| Communication Interface | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Weight | Probe ≈1800 g |
| Probe Dimensions | Ø96 mm × 340 mm |
| Standard Cable Length | 2 m (optional: 10 m or 30 m) |
| Housing Materials | PPS, SUS316L, SUS304, FKM, PEEK, Titanium, FEP membrane, POM |
| Language Support | English, Japanese, Russian, Spanish, Portuguese |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | pH, ORP, Dissolved Oxygen (DO), Electrical Conductivity (EC), Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (NTU), Depth (m), GPS Position |
| Turbidity Standards | U-53 — US EPA Method |
| Turbidity Resolution | 0.01 NTU |
| Operating Temperature Range | −10 °C to +55 °C |
| Waterproof Rating | IP68 (JIS Protection Class 8 for sensor, Class 7 for main unit) |
| Battery Life | Up to 70 hours (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication Interface | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Portable Series |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP, Conductivity, Dissolved Oxygen, Temperature, Salinity, TDS, Specific Gravity (Seawater), Turbidity (LED or Tungsten Lamp), Depth (pressure-based, up to 30 m) |
| Turbidity Standards | U-53 complies with US EPA Method 180.1 |
| Turbidity Resolution | 0.01 NTU (U-53/U-54 variants) |
| Operating Temperature Range | −10 °C to +55 °C |
| IP Rating | IP68 (electrode), IP67 (host unit with cable connected) |
| Battery Life | Up to 70 hours (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Weight | ~1.76 lbs (host), ~3.97 lbs (electrode assembly) |
| Electrode Cable Length | Standard 2 m (optional 10 m or 30 m) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP, Dissolved Oxygen (DO), Conductivity, Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (LED or Tungsten Lamp), Water Depth (on select models) |
| Turbidity Standards | US EPA Method (U-53), EN ISO 7027 (U-54) |
| Operating Temperature Range | −10 to 55 °C |
| Depth Measurement Range | up to 30 m (pressure-based, on U-52G/U-53/U-53G/U-54/U-54G) |
| Waterproof Rating | IP67 (host), IP68 (probe) |
| Display | 320 × 240 monochrome backlit LCD |
| Data Storage | 10,000 measurement sets |
| Power | Four AA alkaline batteries (≈70 h operation without backlight) |
| Communication | USB |
| Probe Cable Length | Standard 2 m (optional 10 m or 30 m) |
| Probe Material | PPS, SUS316L, SUS304, FKM, PEEK, Titanium, FEP membrane, POM |
| Weight | Host ≈ 800 g |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP, Dissolved Oxygen (DO), Electrical Conductivity (EC), Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (NTU), Depth (m), GPS Positioning |
| Turbidity Standards | U-53 — US EPA Method 180.1 |
| Turbidity Resolution | 0.01 NTU |
| Operating Temperature Range | −10 to 55 °C |
| Depth Measurement Range | up to 30 m |
| IP Rating | IP67 (instrument), IP68 (probe) |
| Battery Life | up to 70 h (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series (U-51/U-52/U-52G/U-53/U-53G/U-54/U-54G) |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Measured Parameters | pH, ORP, Dissolved Oxygen (DO), Conductivity, Salinity, TDS, Specific Gravity (Seawater), Temperature, Turbidity (LED or Tungsten Lamp), Depth (pressure-based, up to 30 m), GPS (U-52G/U-53G/U-54G models) |
| Turbidity Standards | U-53 complies with US EPA Method 180.1 |
| Turbidity Resolution | 0.01 NTU (0–10 NTU range) |
| DO Measurement Principle | Clark-type polarographic sensor with enhanced response time and simplified maintenance |
| pH Measurement Principle | Glass electrode method (two-point calibration, auto-temperature compensation) |
| Conductivity Measurement Principle | AC four-electrode method with automatic range switching and 25 °C temperature compensation |
| Depth Measurement Principle | Piezoresistive pressure transducer |
| IP Rating | IP68 (electrode), IP67 (host unit with cable connected) |
| Operating Temperature | –5 °C to 45 °C |
| Storage Temperature | –10 °C to 60 °C |
| Battery Life | Up to 70 hours (alkaline AA × 4, backlight off) |
| Data Storage | 10,000 measurement sets |
| Communication Interface | USB |
| Display | 320 × 240 monochrome LCD with backlight |
| Weight | Host ~800 g |
| Probe Cable Length | Standard 2 m (optional 10 m or 30 m) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | pH, ORP, Conductivity, Dissolved Oxygen (DO), Temperature, Turbidity, Salinity, TDS, Specific Gravity (Seawater), Depth, GPS Positioning |
| Turbidity Standards | U-53 — US EPA Method 180.1 (LED forward scatter) |
| Turbidity Resolution | 0.01 NTU (0–10 NTU range) |
| DO Sensor Response Time | Improved polarographic response (<60 s to 90% step change) |
| Operating Temperature | −10 °C to +55 °C |
| Depth Measurement Range | Up to 30 m (pressure-based, optional on U-52G/U-53G/U-54G) |
| IP Rating | IP67 (instrument body), IP68 (probe assembly) |
| Data Storage | 10,000 measurement sets |
| Power | Four AA alkaline batteries (≈70 h operation, backlight off) |
| Communication | USB 2.0 |
| Display | 320 × 240 monochrome LCD with backlight |
| Weight | Probe ≈1.8 kg |
| Origin | Japan |
|---|---|
| Type | Online Water Quality Analyzer |
| Model | U-52G-10 |
| Sensor Integration | 11-parameter integrated probe (pH, ORP, DO, EC, Salinity, TDS, Specific Gravity, Temperature, Turbidity, Depth, GPS) |
| IP Rating | JIS Class 8 (equivalent to IP68) |
| Battery Life | 70 hours |
| Data Storage | 10,000 measurements |
| Display | Backlit LCD with real-time battery, GPS, and connection status |
| Probe Diameter | ~96 mm |
| Probe Length | ~340 mm |
| Dimensions (main unit) | 11.4 × 28.3 × 6.4 cm (L×H×D) |
| Weight | 1.8 kg |
| Turbidity Range | 0–800 NTU (LED-based), Resolution: 0.1 NTU (0–99.9), 1 NTU (100–800), Accuracy: ±5% or ±1 NTU (whichever is greater) |
| pH Range | 0–14, Resolution: 0.01, Accuracy: ±0.1 |
| DO Range | 0–50.0 mg/L, Resolution: 0.01 mg/L, Accuracy: ±0.2 mg/L (0–20 mg/L), ±0.5 mg/L (20–50 mg/L) |
| Conductivity Range | 0–100 mS/cm, Accuracy: ±1% FS |
| Temperature Range | −5 to +55 °C, Accuracy: ±0.3 °C |
| Depth Range | 0–30 m, Accuracy: ±0.3 m |
| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | UV-2500 (UV Absorption Method) & SDY (Electrochemical Oxidation Method) |
| Pricing | Available Upon Request |