Optical Measurement Instruments
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| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER |
| Measurement Range (Urine SG) | 1.000–1.060 |
| Measurement Range (Serum Protein) | 0–12 g/dL |
| Scale Type | Analog optical scale with dual-scale reticle |
| Calibration | Distilled water (SG = 1.000) |
| Temperature Compensation | Automatic (10–30°C) |
| Prism Material | High-transmittance optical glass |
| Dimensions | Approx. 158 × 40 × 25 mm |
| Weight | Approx. 120 g |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-100H |
| Product Type | Analog Handheld Refractometer |
| Temperature Control | Yes (Built-in High-Temp Prism Compensation) |
| Digital Display | No |
| Measurement Range | Brix 60.0–100.0% (Automatic Temperature Compensation) |
| Accuracy | ±0.5% Brix |
| Repeatability | ±0.25% Brix |
| Scale Division | 0.5% Brix |
| IP Rating | IP65 |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Prism Material | Acid-Resistant Reinforced Glass |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-20M |
| Product Type | Handheld Analog Refractometer |
| Measurement Range | Brix 0.0–20.0% |
| Accuracy | ±0.1% Brix |
| Temperature Compensation | Manual (non-ATC) |
| Display Type | Analog scale with ocular eyepiece |
| Prism Housing Material | Metal (MASTER-20M) / Resin (MASTER-20PM) |
| Dimensions | 3.2 × 3.4 × 20.7 cm |
| Weight | 165 g (MASTER-20M) / 110 g (MASTER-20PM) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-20T |
| Type | Analog Handheld Refractometer |
| Brix Range | 0.0–20.0% (ATC) |
| Accuracy | ±0.2% Brix |
| Resolution | 0.1% Brix |
| Repeatability | ±0.1% Brix (10–30°C) |
| ATC | Yes |
| IP Rating | IP65 (excluding eyepiece) |
| Dimensions | 3.2 × 3.4 × 20.7 cm |
| Weight | 165 g |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-20T (ATC) |
| Type | Analog Handheld Refractometer |
| Temperature Compensation | Automatic (ATC) |
| Display | Analog scale (no digital readout) |
| Measurement Range | 0.0–20.0% Brix |
| Scale Division | 0.1% Brix |
| Accuracy | ±0.2% Brix (10–30°C) |
| Repeatability | ±0.1% Brix |
| Dimensions | 3.2 × 3.4 × 20.7 cm |
| Weight | 165 g |
| Prism Housing Material | Metal |
| Compliance | Designed per JIS Z 8806 and ISO 2173 for refractometric determination of soluble solids in beverages and food extracts |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-20α |
| Product Type | Analog Handheld Refractometer |
| Temperature Compensation | Automatic (ATC) |
| Display Type | Analog Scale (Non-Digital) |
| Measurement Range | Brix 0.0–20.0% |
| Accuracy | ±0.1% Brix |
| Scale Division | 0.1% Brix |
| Dimensions | 3.2 × 3.4 × 20.7 cm |
| Weight | 165 g |
| Housing Material | Metal |
| IP Rating | IP65 (Water-Resistant) |
| Calibration Standard | Sucrose Solution (10% or 20%, traceable to NIST-matched reference materials) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-500 |
| Measurement Range | Brix 0.0–90.0% |
| Resolution | 1.0% Brix |
| Accuracy | ±1.0% Brix (±0.5% Brix repeatability) |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Instrument Type | Destructive Sampling Refractometer |
| Compliance | Designed per JIS K 0071 and ISO 2173 for refractometric sugar analysis |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-50H |
| Product Type | Analog Handheld Refractometer |
| Temperature Compensation | Automatic (ATC) |
| Measurement Range | 0.0–50.0% Brix |
| Accuracy | ±0.5% Brix |
| Repeatability | ±0.25% Brix |
| Scale Division | 0.5% Brix |
| IP Rating | IP65 |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Prism Material | Reinforced Optical Glass |
| Operating Environment | Up to 80°C sample temperature (high-heat compatible) |
| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | MASTER-50H |
| Product Type | Handheld Refractometer |
| Temperature Control | Built-in ATC (Automatic Temperature Compensation) |
| Display | Digital LCD |
| Measurement Range | Brix 0.0–50.0% |
| Accuracy | ±0.5% Brix |
| Repeatability | ±0.25% Brix |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| IP Rating | IP65 (excluding eyepiece) |
| Prism Material | Reinforced optical glass |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-53M |
| Product Type | Handheld Analog Refractometer |
| Temperature Compensation | Manual (No ATC) |
| Display Type | Scale-Reading (Optical Eyepiece) |
| Measurement Range | 0.0–53.0% Brix |
| Accuracy | ±0.2% Brix at 20°C |
| Resolution | 0.2% Brix |
| Repeatability | ±0.1% Brix |
| Prism Cover | RE-2311-67M (Micro-sample) |
| Daylight Plate | RE-2315-60M |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Housing Material | Metal |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-53M (Industrial Solution Concentration) |
| Product Type | Analog Handheld Refractometer |
| Temperature Control | None |
| Digital Display | None |
| Measurement Range | Brix 0.0–53.0% |
| Measurement Accuracy | ±0.2% Brix at 20°C |
| Resolution | 0.2% Brix |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-53M |
| Product Type | Handheld Refractometer |
| Measurement Range | 0.0–53.0% Brix |
| Scale Division | 0.2% Brix |
| Accuracy | ±0.2% Brix |
| Body Material | Metal |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Temperature Compensation | None |
| Waterproof Rating | Not specified |
| Display Type | Analog (optical scale view) |
| Accessories | Dedicated daylight plate |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-53S |
| Product Type | Handheld Analog Refractometer |
| Measurement Range | 0.0–53.0% Brix |
| Resolution | 0.2% Brix |
| Accuracy | ±0.2% Brix at 20°C |
| Temperature Compensation | Automatic (ATC) |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Optical Scale Type | Analog (non-digital), Visual Reading via Eyepiece |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-53T (ATC) |
| Product Type | Handheld Refractometer |
| Measurement Range | Brix 0.0–53.0% (with Automatic Temperature Compensation) |
| Accuracy | ±0.2% Brix at 20°C |
| Repeatability | ±0.1% Brix at 20°C |
| Minimum Scale Division | 0.2% Brix |
| IP Rating | IP65 |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Brand | Atago |
|---|---|
| Origin | Japan |
| Model | MASTER-53T |
| Product Type | Handheld Refractometer |
| Temperature Compensation | Automatic (ATC) |
| Waterproof Rating | IP65 |
| Measurement Range | Brix 0.0–53.0% |
| Minimum Resolution | 0.2% Brix |
| Accuracy | ±0.2% Brix at 20°C |
| Repeatability | ±0.1% Brix at 20°C |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Sample Volume | 2–3 drops |
| Calibration Standards | Sucrose solutions (10–50% w/w, RE-110010 to RE-110050) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-53α |
| Type | Analog Handheld Refractometer |
| Measurement Range | 0.0–53.0% Brix |
| Accuracy | ±0.2% Brix |
| Temperature Compensation | Automatic (ATC) |
| Waterproof Rating | IP65 |
| Display | Etched Glass Scale with Magnifier |
| Calibration | Single-point using distilled water or standard sucrose solution |
| Compliance | ISO 2173, AOAC 932.12, ASTM D1074 |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-53α |
| Product Type | Analog Handheld Refractometer |
| Measurement Range | Brix 0.0–53.0% (with Automatic Temperature Compensation and Water Correction) |
| Accuracy | ±0.2% Brix at 20°C |
| Repeatability | ±0.1% Brix at 20°C |
| Minimum Scale Division | 0.2% Brix |
| IP Rating | IP65 (excluding eyepiece) |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-53α / MASTER-53Pα |
| Product Type | Analog Handheld Refractometer |
| Brix Range | 0.0–53.0% |
| Accuracy | ±0.2% Brix (at 20°C) |
| Resolution | 0.2% Brix |
| Repeatability | ±0.1% Brix (at 20°C) |
| Temperature Compensation | Automatic (ATC), 10–30°C ambient |
| IP Rating | IP65 (excluding eyepiece) |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 90 g |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-80H |
| Product Type | Analog Handheld Refractometer |
| Temperature Compensation | Automatic (ATC) |
| Measurement Range | Brix 30.0–80.0% |
| Accuracy | ±0.5% Brix |
| Repeatability | ±0.25% Brix |
| Minimum Scale Division | 0.5% Brix |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| IP Rating | IP65 (excluding eyepiece) |
| Calibration Standards | Sucrose Solutions (30%, 40%, 50%, 60%) or Standard Liquid LB (RE-2100-83N) |
| Optional Accessories | RE-2311-58M Prism Cover for Trace Samples, RE-2315-60M Dedicated Daylight Plate |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-80H |
| Measurement Range | 30.0–80.0% Brix (ATC) |
| Resolution | 0.5% Brix |
| Accuracy | ±0.5% Brix (±25°C ATC range) |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Instrument Type | Destructive (sample-contact refractometer) |
| Optical System | Analog scale with reinforced prism assembly |
| Temperature Compensation | Automatic (ATC), calibrated to 25°C reference |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-93H |
| Product Type | Handheld Refractometer |
| Temperature Compensation | Automatic (ATC) |
| Measurement Range | Brix 45.0–93.0% |
| Accuracy | ±0.5% Brix |
| Resolution | 0.5% Brix |
| Repeatability | ±0.25% Brix |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| IP Rating | IP65 |
| Prism Material | Acid-Resistant Reinforced Glass |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-93H |
| Product Type | Handheld Refractometer |
| Temperature Compensation | Automatic (ATC) |
| Measurement Range | Brix 45.0–93.0% |
| Resolution | 0.5% Brix |
| Accuracy | ±0.5% Brix (±0.25% with ATC) |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-93H |
| Type | Handheld Refractometer |
| Measurement Range | 45–93% Brix |
| Accuracy | ±0.5% Brix |
| Temperature Compensation | Automatic (ATC) |
| Waterproof Rating | IP65 |
| Construction | Stainless Steel Housing |
| Sample Volume | <0.3 mL |
| Response Time | <3 seconds |
| Compliance | ISO 2173, AOAC 985.24, ASTM D1074 |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-93H |
| Type | Destructive Sampling Refractometer |
| Application | High-Temperature Syrups, Jams, and Viscous Food Pastes |
| Temperature Compensation | Automatic (5–100°C) |
| Construction | Stainless Steel Housing |
| IP Rating | IP65 |
| Measurement Principle | Abbe Refractometry (nD @ 589.3 nm) |
| Units | °Brix (0–93%), Resolution: 0.1°Brix |
| Compliance | ASTM D1218, ISO 2173, AOAC 932.12, GB/T 10786 (Chinese Standard for Fruit and Vegetable Products) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-93H |
| Measurement Principle | Abbe Refractometry |
| Sample Type | Hot, Viscous, Semi-Solid Pastes |
| Measurement Range | Brix 45.0–93.0% |
| Resolution | 0.5% Brix |
| Accuracy | ±0.5% Brix (±0.25% with Automatic Temperature Compensation) |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 130 g |
| Instrument Type | Destructive Sampling Refractometer |
| Compliance | ISO 2173, AOAC 932.12, ASTM D1074, JIS K 0061 |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-BC |
| Type | Analog (Scale-Reading) Handheld Refractometer |
| Measurement Range | Battery Electrolyte Density (d₂₀/₂₀): 1.150–1.300 |
| Ethylene Glycol Freeze Point | 0 to –50 °C |
| Propylene Glycol Freeze Point | 0 to –50 °C |
| Resolution | ±5 °C (EG/PG), ±0.01 (Electrolyte Density) |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 90 g |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-BC |
| Product Type | Handheld Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | Freezing Point (Ethylene Glycol): 0 to –50 °C |
| Freezing Point (Propylene Glycol) | 0 to –50 °C |
| Battery Electrolyte Specific Gravity (d₂₀/₂₀) | 1.150–1.300 |
| Minimum Scale Division | 5 °C (for glycols), 0.01 (for electrolyte) |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 90 g (instrument only) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Product Type | Handheld Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | Ethylene Glycol Freezing Point: 0 to −50 °C |
| Propylene Glycol Freezing Point | 0 to −50 °C |
| Battery Electrolyte (D20/20) | 1.150–1.300 |
| Resolution | 0.01 for Electrolyte Scale |
| Minimum Scale Interval | 5 °C for Glycols, 0.01 for D20/20 |
| Dimensions | 3.2 × 3.4 × 20.3 cm |
| Weight | 105 g |
| Housing Material | Acid- and Salt-Resistant Polymer |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | MASTER-BR |
| Product Type | Handheld Refractometer |
| Temperature Compensation | Yes |
| Digital Display | No |
| Measurement Range | Ethylene Glycol: 0–70% w/w, Propylene Glycol: 0–70% w/w |
| Measurement Scale Resolution | 5% for glycol concentration, 5°C for freeze point estimation |
| Dimensions | 3.2 × 3.4 × 16.8 cm |
| Weight | 90 g |
| Compliance | Designed per JIS Z 8805 and ISO 21747 (Refractometric Analysis of Aqueous Glycol Solutions) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Product Type | Handheld Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | 58–90% moisture (equivalent to 10–42°Brix) |
| Measurement Accuracy | ±0.2% moisture (±0.1°Brix) |
| Scale Type | Dual-scale (moisture % and °Brix) |
| Intended Use | Dedicated to honey quality assessment |