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| Brand | UniCo |
|---|---|
| Origin | Shanghai, China |
| Model | AS-37 |
| Cuvette Pathlength | 10 cm (100 mm) |
| Number of Slots | 4 |
| Dimensions (L×W×H) | 150 × 110 × 70 mm |
| Weight | 0.6 kg |
| Compatibility | Standard 10 cm rectangular quartz/glass cuvettes |
| 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 | BM |
|---|---|
| Origin | Shanghai, China |
| Model | BM-FG116 |
| Type | Handheld Analog Refractometer |
| Measurement Range | 58–92% Brix |
| Scale Division | 0.5% Brix / 0.5 °Bé / 0.5% Water |
| Built-in Temperature Compensation | 10–30 °C |
| Dimensions | Ø29 mm × 148 mm |
| Weight | 175 g |
| Brand | YDWG (Yidian Wuguang) |
|---|---|
| Origin | Shanghai, China |
| Model | WYA-2S |
| Product Type | Benchtop Digital Abbe Refractometer |
| Temperature Control | Yes (Peltier-assisted, ±0.1 °C stability) |
| Digital Display | Yes (LCD, 4-digit resolution) |
| Measurement Range | n<sub>D</sub> = 1.3330–1.3900 |
| Brix | 0–35% |
| Accuracy | ±0.0003 in refractive index |
| Wavelength | 589.3 nm (Na-D line) |
| Prism Material | Hardened optical glass (BK7-type, chemically resistant and scratch-resistant) |
| Sample Volume | < 0.5 mL |
| Calibration Standards | Distilled water (n<sub>D</sub> = 1.3330 at 20 °C) or certified NIST-traceable glass reference blocks |
| 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 | YDWO (Yidian Woguang) |
|---|---|
| Origin | Shanghai, China |
| Model | WZB45 |
| Type | Handheld Refractometer |
| Temperature Compensation | Yes |
| Digital Display | Yes |
| Measurement Range | 0–45% Brix / 1.3330–1.4098 RI |
| Accuracy | ±0.2% Brix / ±0.0003 RI |
| 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 | YDWG |
|---|---|
| Origin | Shanghai, China |
| Product Type | Handheld Refractometer |
| Temperature Compensation | Yes |
| Digital Display | Yes |
| Measurement Ranges | Brix 58–92%, Baumé 38–43°, Moisture Content (IHC2002) 13–25%, Refractive Index 1.4370–1.5233 |
| Minimum Resolution | 0.1% (Brix, Baumé, Moisture), 0.0001 (RI) |
| Accuracy | ±0.2% (Brix), ±0.1° (Baumé), ±0.1% (Moisture), ±0.0003 (RI) |
| 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 | WTW |
|---|---|
| Origin | Germany |
| Model | pHotoFlex pH |
| Wavelength Accuracy | < 2 nm |
| Wavelengths | 436, 517, 557, 594, 610, 690 nm |
| Photometric Range | Absorbance –2.00 to +2.00 A |
| pH Measurement Range | 0.00–16.00 |
| Accuracy | ±0.01 pH |
| Data Storage | 1000 measurement records + 100 user-defined methods |
| Auto-zero | Yes (on power-up) |
| Calibration | 3-point pH calibration |
| Interface | RS232 (USB optional) |
| Protection Rating | IP67 |
| Power Supply | 4 × AA alkaline batteries (≥3000 measurements) or optional rechargeable pack |
| Dimensions | 236 × 86 × 117 mm |
| Weight | 0.6 kg (without batteries) |
| Compliance | cETLus certified |
| Brand | Deleite |
|---|---|
| Origin | Shanghai, China |
| Model | DR-AR200 |
| Type | Benchtop Abbe Refractometer |
| Refractive Index Range (nD) | 1.3000–1.7000 |
| Brix Range | 0–95% |
| Accuracy (nD) | ±0.0003 (estimated reading) |
| Magnification | Telescope 2×, Scale Reading 22× |
| Dimensions | 200 × 100 × 240 mm |
| Weight | 2.6 kg |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WZB-F 45 |
| Product Type | Handheld Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Operating Temperature Range | 0–40 °C (32–104 °F) |
| Temperature Accuracy | ±0.5 °C (±1 °F) |
| Temperature Compensation Range | 5–40 °C (41–104 °F) |
| Sample Volume | 0.3 mL |
| Dimensions | 145 × 67 × 38 mm |
| Net Weight | 185 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 | Hach |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | DR1300 FL |
| Price | Upon Request |
| Brand | YDWG (Shanghai Physical Optics) |
|---|---|
| Origin | Shanghai, China |
| Product Type | Handheld Refractometer |
| Temperature Compensation | Yes |
| Digital Display | Yes |
| Measurement Range | 0–35% Brix / RI 1.3330–1.3900 |
| Accuracy | ±0.2% Brix / ±0.0003 RI |
| Power Supply | 2 × AAA batteries |
| Dimensions | 140 mm × 65 mm × 40 mm |
| Net Weight | 172 g |
| Auto-Off Function | Yes |
| Battery Low Indicator | Yes |
| Temperature Unit Toggle | °C / °F |
| Rated Cycles | >10,000 measurements |
| 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 | YDWG (Shanghai Physical Optics) |
|---|---|
| Origin | Shanghai, China |
| Model | WZB-F(S1) |
| Type | Handheld Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Operating Temperature Range | 0–40 °C (30–104 °F) |
| Temperature Accuracy | ±0.5 °C (±1 °F) |
| Temperature Compensation Range | 5–40 °C (41–104 °F) |
| Sample Volume | 0.3 mL |
| Dimensions | 145 × 67 × 38 mm |
| Net Weight | 185 g |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Product Type | Handheld Refractometer |
| Temperature Compensation | Yes |
| Digital Display | Yes |
| Measurement Range (Brix) | 58–92% |
| Refractive Index Range | 1.4370–1.5233 |
| Resolution (Brix) | 0.1% |
| Resolution (RI) | 0.0001 |
| Accuracy (Brix) | ±0.2% |
| Accuracy (RI) | ±0.0003 |
| Auto Power-Off | Yes |
| Battery Low Warning | Yes |
| °C/°F Toggle | Yes |
| Operating Life | >10,000 measurements |
| 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 | OHAUS |
|---|---|
| Model | AP50MM |
| Measurement Principle | Nephelometric Turbidity (90° Scattered Light) & Absorbance-Based Colorimetry |
| Wavelengths | 7 Fixed LED Sources (420, 470, 520, 560, 610, 660, 850 nm) |
| Display | 160 × 240 Pixel Backlit LCD, Sunlight-Readable |
| Data Storage | 30,000 Measurements with Timestamp (Date/Time) |
| Power Supply | 4 × AA Alkaline Batteries (≈200 hrs continuous use) |
| Compliance | ISO 7027 (Turbidity), ISO 6226 / EPA 180.1 (Colorimetric Methods), GLP-Compliant Audit Trail |
| Enclosure Rating | IP67 (Dustproof & Waterproof to 1 m for 30 min) |
| Dimensions | 210 × 105 × 55 mm |
| Weight | 480 g (with batteries) |
| 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) |
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