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| Brand | Lufft |
|---|---|
| Origin | Germany |
| Model | SHM31-UMB |
| Measurement Principle | Time-of-Flight (ToF) Laser Ranging |
| Laser Source | Class 1, 905 nm Pulsed Semiconductor Laser |
| Range | 0.2–30 m (typical snow depth measurement up to 20 m) |
| Resolution | 1 mm |
| Accuracy | ±5 mm or ±0.5 % of reading (whichever is greater) |
| Beam Divergence | < 3 mrad |
| Operating Temperature | –40 °C to +60 °C |
| IP Rating | IP67 |
| Output Interface | SDI-12, RS-232, RS-485, UMB-ASCII, UMB-Binary |
| Power Supply | 6–30 VDC |
| Power Consumption | < 1.5 W (standby), < 3 W (active measurement) |
| Mounting | Adjustable tilt compensation via integrated dual-axis inclinometer |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | 1720E |
| Configuration | Online |
| Measurement Range | 0.0001–9.9999 NTU and 10.000–99.999 NTU (auto-ranging) |
| Resolution | 0.0001 NTU (0–9.9999 NTU) |
| Operating Temperature | 0–50°C (single-sensor), 0–40°C (dual-sensor) |
| Accuracy | ±2% of reading or ±0.015 NTU (whichever is greater) for 0–10 NTU |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer | HACH Company |
| Instrument Type | Benchtop/Laboratory |
| Measurement Range | 0.0001–1000 FNU (NTU) |
| Resolution | 0.0001–0.9999 / 1.000–9.999 / 10.00–99.99 / 100–1000 FNU (NTU) |
| Operating Temperature | 2–40 °C |
| Accuracy | ±0.008 FNU + ±1% of reading (0–10 FNU) |
| Sample Flow Rate | 1.0–2.0 L/min |
| Sample Temperature Range | 0–70 °C |
| Power Supply | 220 VAC, 50 Hz, 40 VA |
| Optical Principle | Surface Scatter (90° scattered light detection at air–liquid interface) |
| Compliance | Meets ISO 7027 and EPA Method 180.1 requirements for turbidity measurement |
| Output Interfaces | Compatible with HACH SC100 or SC1000 universal controllers (4–20 mA analog, Modbus RTU, relay alarms) |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer | HACH Company |
| Model | Accu4/T53 |
| Configuration | Online Turbidimeter |
| Measurement Range | 0.000–1.000, 0.00–10.00, 0.0–100.0 NTU |
| Resolution | 0.001 NTU |
| Accuracy | ±2% of reading |
| Repeatability | <0.1% of full scale |
| Operating Ambient Temperature | −20 to +60 °C |
| Sample Temperature Range | 0 to 60 °C |
| Sample Flow Rate | 0.19–26.5 L/min |
| Max Sample Pressure | 50 psig |
| Enclosure Rating | NEMA 4X (IP65) |
| Analog Outputs | Two isolated 4–20 mA outputs |
| Relay Outputs | Four SPDT relays |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Light Source | Long-life LED |
| Compliance | EPA Method 180.2 (GLI Method 2) |
| Brand | Hach |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported |
| Model | TL23 Series |
| Measurement Range | 0–20000 NTU |
| Resolution | 0.001 NTU |
| Operating Temperature | 0–40 °C |
| Accuracy | ±2% (0–1000 NTU), ±5% (1000–4000 NTU), ±10% (4000–10000 NTU) |
| Compliance | EPA Method 180.1, ISO 7027, DIN EN 27027, DIN 38404, NFT 90-33 |
| Display | 7-inch color touchscreen |
| Light Source | Tungsten lamp or LED (860 ± 30 nm) |
| Units | NTU, FNU, FAU, EBC, Abs, %T, mg/L |
| Sample Cell | 95 × 25 mm borosilicate glass vial with rubber-sealed cap |
| Data Storage | 2000 records (measurements, calibrations, verifications) |
| Interface | Dual USB-A ports |
| Power | 100–240 V AC, 50/60 Hz, 3.4 A |
| Certifications | CE, RoHS, CMC |
| Warranty | 1 year |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer | Hach Company |
| Type | Benchtop/Laboratory |
| Measurement Range | Turbidity: 0–10,000 NTU |
| Color | 0–500 CU |
| Resolution | Turbidity: 0.001 NTU |
| Color | 1 CU |
| Operating Environment | 10–40 °C, ≤90% RH (non-condensing at 25 °C) |
| Accuracy | Turbidity: (1) 0–1,000 NTU: ±0.01 NTU or ±2% of reading |
| (2) 1,000–4,000 NTU | ±5% of reading |
| (3) 4,000–10,000 NTU | ±10% of reading. Color: (1) 0–30 CU: ±2 CU |
| (2) 0–500 CU | ±5 CU |
| Compliance | EPA Method 180.1 |
| Sample Volume | ≥20 mL |
| Measurement Units | NTU, NEP, EBC, ABS, T%, CU, and user-defined units |
| Repeatability | ±1% of reading or ±0.01 NTU |
| Power Supply | 230 V, 50/60 Hz |
| Weight | 3.43 kg |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | 2100P |
| Form Factor | Portable (Lab-Grade) |
| Measurement Range | 0–1000 NTU |
| Resolution | 0.01 NTU (at lowest range) |
| Accuracy | ±2% of reading |
| Operating Temperature | 0–50 °C |
| Power Supply | 4 × AA alkaline batteries or optional AC adapter |
| Weight | 520 g |
| Compliance | EPA Method 180.1 |
| Brand | Hach |
|---|---|
| Model | DR300 |
| IP Rating | IP67 |
| Display | Backlit LCD with Enhanced Readability |
| Connectivity | Optional Bluetooth Adapter (Hach Communication Adapter) |
| Compliance | Designed for Field-Deployable Water Quality Testing |
| Intended Use | On-site Quantitative Colorimetric Analysis of Water Samples |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | 1900C Economical |
| Product Type | Portable |
| Measurement Range | 0–1000 NTU |
| Resolution | 0.01 NTU |
| Operating Temperature | 0–50 °C |
| Accuracy | ±1.5% FS |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | TU5200 |
| Product Type | Benchtop/Laboratory |
| Measurement Range | EPA: 0–700 NTU, FNU, TE/F, FTU |
| ISO | 0–1000 NTU/FNU/TE/F/FTU |
| Resolution | 0.0001 NTU / FNU / TE/F / FTU / EBC / mg/L |
| Operating Temperature | 10–40 °C (50–104 °F), Relative Humidity: 5–95% RH (non-condensing) |
| Accuracy | ±2% of reading + 0.01 NTU for 0–40 NTU |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Product Type | Benchtop/Laboratory |
| Model | TL2300 |
| Measurement Range | 0–4000 NTU |
| Resolution | 0.001 NTU |
| Operating Temperature | 0–40 °C |
| Accuracy | ±2% + 0.01 NTU (0–1000 NTU) |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Model | FT660sc |
| Installation Type | Online |
| Measurement Range | 0.000–5000 mNTU |
| Light Source | 660 nm Laser Diode (35 mW) |
| Accuracy | ±2% of reading or ±5 mNTU (whichever is greater) for 0–1000 mNTU |
| Resolution | 0.001 mNTU |
| Repeatability | ±3.6% at 30 mNTU, ±1.7% at 800 mNTU |
| Sample Flow Rate | 100–750 mL/min |
| Operating Ambient Temperature | 0–40 °C |
| Sample Temperature Range | 0–50 °C |
| Analog Outputs | Dual 4–20 mA (configurable across full range) |
| Alarm Outputs | Two SPDT relays (5 A / 230 VAC) |
| Standard Compliance | EPA Method 10133 |
| Controller Compatibility | HACH sc100 / sc1000 universal controllers |
| Integrated De-bubbling System | Patented in-line air removal |
| Calibration Standards | HACH-certified 200 mNTU and 800 mNTU formazin equivalents |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | 2100Q |
| Product Type | Portable |
| Measurement Range | 0–1000 NTU |
| Resolution | 0.01 NTU (at lowest range) |
| Operating Temperature | 0–50 °C |
| Accuracy | ±2% of reading plus stray light contribution |
| Stray Light | < 0.02 NTU (FNU) |
| Measurement Principle | Ratio method—90° scattered light and transmitted light detection |
| Regulatory Compliance | EPA Method 180.1 |
| Light Source | Tungsten lamp |
| Calibration Options | Single-point (0–40 NTU), full-range (0–1000 NTU), or turbidity-to-suspended solids (0–100 mg/L) |
| Calibration Memory | Last 25 successful calibrations |
| Data Storage | Up to 500 measurements with timestamp, operator ID, sample ID, mode, units, calibration status, and error logs |
| Signal Averaging | User-selectable On/Off |
| Reading Modes | Normal, Signal Averaging, Fast-Settling Turbidity |
| RST (Rapid Settling Turbidity) Algorithm | Yes |
| Interface | USB + power module (optional) for direct PC transfer without proprietary software |
| Brand | Hach |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | 2100N |
| Form Factor | Benchtop/Laboratory |
| Measurement Range | 0–4000 NTU |
| Resolution | 0.001 NTU |
| Operating Temperature | 10–40 °C |
| Accuracy | ±2% (0–1000 NTU) |
| Sample Volume | 20 mL minimum |
| Measurement Modes | NTU, NEP, EBC |
| Ratio Measurement | Yes |
| Power Supply | 230 V, 50/60 Hz |
| Relative Humidity | ≤90% RH (non-condensing at 25 °C) |
| Brand | HACH |
|---|---|
| Manufacturer | HACH Company |
| Model | LICO620 |
| Origin | Imported (Switzerland/USA-manufactured) |
| Instrument Type | Benchtop Colorimeter |
| Compliance | ISO 2211, ASTM D1209, ASTM D1500, ASTM D5386, ISO 4630, ISO 6271, ASTM D6166 |
| Measurement Principles | Spectrophotometric absorbance at fixed wavelengths (dual-beam optical path), calibrated against NIST-traceable color standards |
| Sample Format | 10–50 mL in standard 25 mm or 50 mm pathlength cuvettes |
| Display | High-contrast graphical LCD with intuitive icon-based navigation |
| Interface | USB port for data export and firmware updates |
| Power Supply | AC adapter (100–240 V, 50/60 Hz) |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | 1900C |
| Product Type | Portable |
| Measurement Range | 0–9.99 NTU, 0–99.9 NTU, or 0–1000 NTU (auto-ranging or manual range selection) |
| Resolution | 0.01 NTU (at lowest range) |
| Operating Temperature | 0–50 °C |
| Accuracy | ≤1% (0–1000 NTU) |
| Repeatability | ≤1% (0–1000 NTU) |
| Zero Drift | ±1.5% F.S. |
| Stability | ±1.5% F.S. |
| Linearity Error | 1% |
| Power Supply | 4 × AA alkaline batteries or optional AC adapter |
| Weight | 520 g |
| Compliance | EPA Method 180.1 |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Type | Online Sensor |
| Measurement Range | 0.001–4000 NTU |
| Operating Temperature | 0–40 °C |
| Accuracy | ±1% of reading or ±0.001 NTU, whichever is greater |
| Optical Wavelength | 880 nm (near-infrared LED) |
| Detection Principle | Dual-angle scattered light photometry (90° for turbidity |
| Self-cleaning Capability | Yes |
| Compliance | Designed for continuous operation in municipal and industrial water/wastewater applications per ISO 7027 and EPA Method 180.1 principles |
| Brand | Lufft |
|---|---|
| Model | VS2K/VS20K-UMB |
| Measurement Principle | Forward Scattering (Infrared, 850 nm) |
| Operating Temperature Range | –40 °C to +60 °C |
| IP Rating | IP66 |
| Output Interfaces | RS-485 (UMB protocol), 4–20 mA analog, optional SDI-12 |
| Detection Range | 10 m to 75 km (VS2K) |
| Power Supply | 12–30 VDC |
| Housing Material | Anodized aluminum with anti-icing downward tilt design |
| Compliance | WMO Guide to Meteorological Instruments and Methods of Observation (CIMO Guide), EN 60529, IEC 61326-1 |
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