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| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WGZ-1000B |
| Type | Portable |
| Measurement Range | 0.000–20.00 NTU |
| Resolution | 0.001 NTU |
| Operating Temperature | 5–40 °C |
| Accuracy | ≤ ±2% |
| Light Source | LED infrared |
| Detection Principle | Ratio-based scattered-transmitted light measurement |
| Compliance | ISO 7027, HJ 1075–2019, GLP |
| Data Storage | 2000 records |
| Power Supply | 4 × AA alkaline batteries or 5 V USB |
| Display | Backlit LCD |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WGZ-200B |
| Type | Portable |
| Measurement Range | 0.000–20.00 NTU |
| Resolution | 0.01 NTU |
| Operating Temperature | 5–40 °C |
| Accuracy | ≤ ±3% |
| Power Supply | 4×AA alkaline batteries or 5 V USB power |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WGZ-200 |
| Type | Portable |
| Measurement Range | 0.000–20.00 NTU |
| Resolution | 0.01 NTU |
| Operating Temperature | 5–40 °C |
| Accuracy | ≤ ±3% |
| Compliance | ISO 7027, HJ 1075–2019, Chinese Pharmacopoeia General Chapter 0902 (Method II) |
| Brand | Sanxin Peirui |
|---|---|
| Origin | Shanghai, China |
| Model | TN450 |
| Product Type | Portable |
| Measurement Range | 0–1000 NTU (FNU), auto-ranging across three sub-ranges: 0.01–19.99 NTU (FNU), 20.0–99.9 NTU (FNU), and 100–1000 NTU (FNU) |
| Resolution | 0.01 / 0.1 / 1 NTU (FNU) |
| Operating Temperature | 0–50 °C |
| Accuracy | ≤ ±6% |
| Compliance | ISO 7027, HJ 1075–2019, DIN 27027 |
| IP Rating | IP67 |
| Data Storage | 200 GLP-compliant records |
| Interface | USB |
| Display | TFT color screen with multilingual UI (English, Chinese, Spanish) |
| Power | 4 × AA batteries |
| Dimensions (instrument) | 90 × 203 × 80 mm |
| Weight (instrument) | 385 g |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Product Type | Portable |
| Model | AP30 |
| Measurement Range | 0–1000 NTU |
| Compliance | ISO 7027 |
| Detection Principle | Dual-optical-path nephelometry with integrated transmission compensation |
| Light Source | Near-infrared LED (850 nm) |
| Display | Full-color high-brightness LCD |
| Data Storage | Up to 5,000 measurements with timestamp |
| Interface | USB Type-A for data export |
| Power Supply | Rechargeable Li-ion battery (≥10 hours continuous operation) |
| Enclosure Rating | IP67 dust- and water-resistant housing |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | WZB-172E |
| Type | Portable |
| Measurement Range | 0.00–9.99 NTU |
| Resolution | 0.01 NTU |
| Operating Temperature | 5–40 °C |
| Accuracy | ±6% |
| Light Source | Tungsten Lamp |
| Measurement Principle | Nephelometric (90° scattered light) and Ratio Nephelometric (scattered + transmitted light) |
| Compliance | HJ 1075–2019, USEPA Method 180.1, JJG 880–2006 |
| IP Rating | IP65 |
| Data Storage | 1000 datasets |
| Interface | Micro-USB, RS-232 |
| Power | Rechargeable Li-ion battery with PC/mobile power bank charging capability |
| Brand | INESA (YDWG) |
|---|---|
| Origin | Shanghai, China |
| Model | WGZ-4000 |
| Type | Portable |
| Measurement Range | 0.000–20.00 NTU |
| Resolution | 0.001 NTU |
| Operating Temperature | 5–40 °C |
| Accuracy | ≤ ±2% |
| Compliance | ISO 7027, HJ 1075–2019, Chinese Pharmacopoeia General Chapter 0902 (Method II) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | 600120 |
| Instrument Type | Benchtop Laboratory Turbidimeter |
| Measurement Range | 0–1100 FNU/NTU |
| Resolution | 0.01 FNU/NTU (0.00–9.99), 0.1 FNU/NTU (10–99.99), 1 FNU/NTU (100–1100) |
| Operating Temperature | +5 to +55 °C (41–131 °F) |
| Accuracy | ±0.01 FNU/NTU or ±2% of reading (±3% at 500–1100 FNU/NTU) |
| Compliance Standard | DIN EN ISO 7027-1 |
| Light Source | Infrared LED |
| Detection Angle | 90° Nephelometric Scattering |
| Display | Backlit Graphic LCD (160 × 104 pixels) |
| Data Storage | 2500 datasets with calibration protocols and AQA flags |
| Interface | USB, RS-232, optional printer |
| GLP Support | Full audit trail, user ID, sample ID, calibration interval tracking, electronic signatures via Turb Data software |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | 750 |
| Instrument Type | Benchtop Laboratory Turbidimeter |
| Measurement Range | 0–1100 FNU/NTU |
| Resolution | 0.01 FNU/NTU (0.00–9.99), 0.1 FNU/NTU (10–99.99), 1 FNU/NTU (100–1100) |
| Operating Temperature | +5 to +55 °C (41–131 °F) |
| Accuracy | ±0.01 FNU/NTU or ±2% of reading (±3% at 500–1100 NTU for Turb 750T) |
| Compliance Standards | DIN EN ISO 7027-1 (Turb 750IR), US EPA Method 180.1 (Turb 750T) |
| Data Storage | 2500 datasets with calibration protocols and AQA flags |
| Interface | USB, RS-232, printer port |
| GLP-Compliant Software | Turb Data PC software (CSV export, LIMS import, user authentication, audit trail) |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WGZ-2000B |
| Type | Portable |
| Measurement Range | 0.000–20.00 NTU |
| Resolution | 0.001 NTU |
| Operating Temperature | 5–40 °C |
| Accuracy | ≤ ±2% |
| Power Supply | 4 × AA alkaline batteries or 5 V USB power |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | 2100Q |
| Product Type | Portable |
| Measurement Range | 0–1000 NTU |
| Resolution | 0.01 NTU |
| Accuracy | ±2% of reading + stray light contribution |
| Stray Light | < 0.02 NTU (FNU) |
| Compliance | EPA Method 180.1 |
| Optical Principle | Ratio-based 90° scattered light detection with simultaneous transmission compensation |
| Ingress Protection | IP67 (excluding sealed cover and battery compartment) |
| Data Storage | 500 measurement records with timestamp, operator ID, sample ID, calibration status, and error logs |
| Power Options | 4 × AA alkaline batteries, rechargeable NiMH batteries (with USB+Power Module), or AC adapter (100–240 V, 50/60 Hz) |
| Interface | USB (supports 22 languages including English) |
| Measurement Modes | Normal, Signal Average, Rapid Settling Turbidity (RST) |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | TN150 |
| Type | Portable |
| Measurement Range | 0–1000 NTU (FNU), auto-ranging across three sub-ranges: 0.01–19.99 NTU (FNU), 20.0–99.9 NTU (FNU), 100–1000 NTU (FNU) |
| Resolution | 0.01 / 0.1 / 1 NTU (FNU) |
| Operating Temperature | 0–50 °C |
| Accuracy | ≤ ±8% |
| IP Rating | IP67 |
| Display | TFT color screen |
| Light Source | Tungsten filament lamp (400–600 nm) |
| Detection Principle | 90° nephelometric scattering |
| Compliance | HJ 1075–2019, EPA Method 180.1, ASTM D6508, ISO 7027–1:2016 (white light mode) |
| Calibration Standards | Certified polymer standards (0, 20, 100, 400, 800 NTU/FNU), EPA- and ASTM-compliant, 1-year shelf life |
| Battery | Rechargeable 3.7 V Li-ion (7 V system equivalent), >20 h continuous operation |
| Dimensions (instrument) | 90 × 203 × 80 mm |
| Weight (instrument) | 385 g |
| Certifications | ISO 9001:2015, CE |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | WZS-182E |
| Price | USD 980 (FOB Shanghai) |
| Form Factor | Benchtop / Laboratory |
| Measurement Range | 0.00–9.99 NTU |
| Resolution | 0.01 / 0.1 / 1 NTU (auto-ranging) |
| Operating Temperature | 5–35 °C |
| Accuracy | ±6% of reading |
| Light Source | Tungsten-halogen lamp |
| Measurement Principle | Nephelometric (90° scatter) and Ratio nephelometric-scatter/transmission |
| Compliance | USEPA Method 180.1, HJ 1075–2019, JJG 880–2006 |
| Display | 5.7-inch color LCD with tactile keypad |
| Protection Rating | IP54 |
| Calibration Standards Included | Long-life turbidity standards at 20, 200, and 500 NTU |
| Data Storage | 1000 measurement records |
| Interface | RS-232 (for thermal printer), USB-B (for PC communication) |
| Software Support | Dedicated Leici turbidity data management software (Windows-compatible) |
| GLP Features | Audit-trail enabled timestamped records, user ID logging, calibration history, factory reset with zero & calibration value recovery |
| Brand | HACH |
|---|---|
| Origin | USA |
| Model | 1720E |
| Instrument Type | Benchtop Laboratory Turbidimeter |
| Measurement Range | 0.0001–9.9999 NTU and 10.000–99.999 NTU (auto-ranging) |
| Resolution | 0.0001 NTU (0–9.9999 NTU) |
| Accuracy | ±2% or ±0.02 NTU (whichever is greater) for 0–40 NTU |
| Repeatability | Better than ±1.0% of reading or ±0.002 NTU (whichever is greater) |
| Response Time | Step response, initial response ~75 seconds |
| Signal Averaging Options | 6, 30, 60, or 90 seconds (user-selectable |
| Sample Flow Rate | 200–750 mL/min |
| Operating Temperature | 0–50°C (single-sensor configuration) |
| Sample Temperature Range | 0–50°C |
| Analog Output | 0/4–20 mA (programmable over 0–100 NTU range) |
| Relay Outputs | Three SPDT relays (230 VAC, 5 A), configurable for alarm or control setpoints |
| Power Supply | 100–230 VAC, 50/60 Hz (auto-sensing) |
| Inlet Fitting | 1/4" NPT female + 1/4" compression fitting (included) |
| Drain Fitting | 1/2" NPT female + 1/2" hose barb (included) |
| Digital Communication Protocols | MODBUS RTU over RS-485 and RS-232 |
| Compliance Standards | Standard Method 2130B, USEPA Method 180.1, Hach Method 8195 |
| Enclosure Rating | NEMA-4X / IP66 |
| Dimensions (Controller) | 25.4 × 30.5 × 40.6 cm |
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