Optical Measurement Instruments
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| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-A1-PLUS |
| Type | Benchtop Digital Abbe Refractometer |
| Refractive Index Range | 1.3000–1.7100 nD |
| Brix Range | 0.0–100.0% |
| Refractive Index Resolution | 0.0001 |
| Brix Resolution | 0.1% |
| Accuracy | ±0.0002 nD / ±0.1% Brix |
| Temperature Compensation | Automatic (5–50 °C) |
| Temperature Accuracy | ±0.2 °C |
| Display | Digital LCD (nD, Brix%, Temp. °C) |
| Interface | RS-232C (printer & PC connectivity) |
| Power | AC adapter (100–240 V, 50/60 Hz), 16 VA |
| Dimensions (main unit) | 13 × 29 × 31 cm |
| Weight (main unit) | 6.0 kg |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M2 |
| Product Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range | 1.2743–1.6840 |
| Measurement Accuracy | ±0.0002 |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M2 |
| Type | Benchtop Refractometer |
| Display | Digital LCD |
| Wavelength Range | 450–1550 nm (interference filter-based) |
| Refractive Index Range | 1.3278–1.7379 (at 450 nm) |
| Resolution | 0.0001 (nD), 0.1 (Abbe number) |
| Accuracy | ±0.0002 (nD, verified at 589 nm with standard test plate) |
| Operating Temperature | 5–50 °C |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (main unit) | 13 × 29 × 31 cm |
| Weight (main unit) | 6.0 kg |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M2 (1100 nm) |
| Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | nD = 1.3278–1.7379 @ 450 nm |
| Accuracy | ±0.0002 nD |
| Wavelength Range | 450–1100 nm (interference filters) |
| Resolution | 0.0001 nD / 0.1 Abbe number |
| Operating Temperature | 5–50 °C |
| Light Source | Halogen lamp |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (main unit) | 13 × 29 × 31 cm |
| Weight (main unit) | 6.0 kg |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M2 (1100 nm) |
| Product Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | 1.3278–1.7379 (at 450 nm) |
| Measurement Accuracy | ±0.0002 for refractive index (nD) using test plates calibrated between 500–650 nm |
| Wavelength Range | 450–1100 nm (with interference filters) |
| Resolution | 0.0001 (nD), 0.1 (Abbe number νd/νe) |
| Operating Temperature | 5–50 °C |
| Light Source | Halogen lamp |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (main unit) | 13 × 29 × 31 cm |
| Weight (main unit) | 6.0 kg |
| Optional Accessories | Circulating water bath 60-C5 (P/N 1923), Digital Printer DP-AD(B) (P/N 3145) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M2 (1550 nm) |
| Type | Benchtop Abbe Refractometer |
| Digital Display | Yes |
| Temperature Control | None |
| Refractive Index Range | 1.2662–1.6759 (at 1550 nm) |
| Refractive Index Accuracy | ±0.0002 (measured with 589 nm calibration plate) |
| Wavelength Range | 450–1550 nm (via interchangeable interference filters) |
| Resolution | 0.0001 (nD), 0.1 (Abbe number) |
| Operating Temperature | 5–50 °C |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (main unit) | 13 × 29 × 31 cm |
| Weight (main unit) | 6.0 kg |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M2 |
| Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range | 1.3278–1.6840 |
| Accuracy | ±0.0002 |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M2 |
| Product Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range | 1.3278–1.7379 (450 nm) |
| Measurement Accuracy | ±0.0002 RI (with 500–650 nm filter) |
| Minimum Display Resolution | 0.0001 RI / 0.1 Abbe Number |
| Wavelength Range | 450–1100 nm (filter-based) |
| Temperature Measurement Range | 5–50 °C |
| Power Supply | AC 100–240 V, 50/60 Hz, 160 VA |
| Dimensions & Weight | 13 × 29 × 31 cm, 6.0 kg (main unit) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M2/1550 |
| Product Type | Benchtop Refractometer |
| Display | Digital LCD |
| Temperature Control | None |
| Refractive Index Range | 1.2662–1.7379 (wavelength-dependent) |
| Wavelength Range | 450–1550 nm |
| Resolution | 0.0001 (nD), 0.1 (Abbe number) |
| Accuracy | ±0.0002 (at 589 nm, verified with certified standard plate) |
| Operating Temperature | 5–50 °C |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (main unit) | 13 × 29 × 31 cm |
| Weight (main unit) | 6.0 kg |
| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | DR-M2/1550(A) |
| Price | Upon Request |
| Wavelength Range | 450–1550 nm |
| Refractive Index Range (at 450 nm) | 1.3278–1.7379 |
| Refractive Index Range (at 589 nm) | 1.3000–1.7100 |
| Refractive Index Range (at 680 nm) | 1.2912–1.7011 |
| Refractive Index Range (at 1100 nm) | 1.2743–1.6840 |
| Refractive Index Range (at 1550 nm) | 1.2662–1.6759 |
| Minimum Display Resolution | RI ±0.0001, Abbe Number ±0.1 |
| Accuracy (RI at 589 nm) | ±0.0002 (with certified calibration plate) |
| Temperature Control Range | 5–50 °C |
| Light Source | Monochromatic LED-based source with interference filters |
| Dimensions (Refractometer Unit) | 23 × 35 × 21–31 cm |
| Weight (Refractometer Unit) | 5.9 kg |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Power Consumption | 100 VA (main unit + power supply) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M2/M4 Multi-Wavelength Abbe Refractometer |
| Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range | 1.3278–1.7379 (DR-M2 at 450 nm) |
| Refractive Index Resolution | 0.0001 |
| Refractive Index Accuracy | ±0.0002 (with 500–650 nm test plates) |
| Wavelength Range | 450–1100 nm (interference filter-equipped) |
| Measurement Temperature Range | 5–50 °C |
| Light Source | Halogen lamp |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (main unit) | 13 × 29 × 31 cm |
| Weight (main unit) | 6.0 kg |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M4 (1550) |
| Type | Benchtop Abbe Refractometer |
| Display | Digital |
| Temperature Control | None |
| Refractive Index Range | 1.5219–1.9220 |
| Measurement Accuracy | ±0.0002 |
| Wavelength Capability | 1550 nm (NIR), compatible with optional NIR viewing eyepiece (681–1100 nm conversion) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M4 |
| Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | 1.2743–1.6840 (at 1,100 nm) |
| Accuracy | ±0.0002 |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M4 (Up to 1100 nm) |
| Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range | 1.3278–1.6840 |
| Accuracy | ±0.0002 |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M4 |
| Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range | 1.5219–1.9218 (450 nm) |
| Measurement Accuracy | ±0.0002 (with 500–650 nm filter) |
| Resolution | 0.0001 (nD), 0.1 (Abbe number) |
| Wavelength Range | 450–1100 nm (NIR observation eyepiece required for 681–1100 nm) |
| Temperature Range | 5–50 °C |
| Data Output | Optional DP-AD digital printer |
| Power Supply | AC 160–240 V, 50/60 Hz |
| Dimensions & Weight | 13 × 29 × 31 cm, 6.0 kg (main unit) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M4 (1100 nm) |
| Product Type | Benchtop Refractometer |
| Digital Display | Yes |
| Temperature Control | None |
| Measurement Range (nD at 1100 nm) | 1.4260–1.8258 |
| Resolution | 0.0001 (nD), 0.1 (Abbe number) |
| Accuracy | ±0.0002 (nD, with 500–650 nm interference filter) |
| Wavelength Range | 450–1100 nm (interference filters required) |
| Light Source | Halogen lamp |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (main unit) | 13 × 29 × 31 cm |
| Weight (main unit) | 6.0 kg |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M4 |
| Measurement Range | nD = 1.4260–1.9220 (at 1550 nm) |
| Accuracy | ±0.0002 (at 589 nm) |
| Wavelength Range | 450–1550 nm (interference filter-based) |
| Temperature Control | Yes |
| Digital Display | Yes |
| Resolution | 0.0001 (nD), 0.1 (Abbe number) |
| Operating Temperature | 5–50 °C |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (main unit) | 13 × 29 × 31 cm |
| Weight (main unit) | 6.0 kg |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M4/1550(A) |
| Type | Benchtop Refractometer |
| Digital Display | Yes |
| Temperature Control | None |
| Refractive Index Range | 1.5167–1.9166 (at 450 nm) |
| Accuracy | ±0.0002 RI (at 589 nm) |
| Wavelength Range | 450–1550 nm |
| Resolution | 0.0001 RI / 0.1 Abbe Number |
| Operating Temperature | 5–50 °C |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (Main Unit) | 13 × 29 × 31 cm |
| Weight (Main Unit) | 6.0 kg |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DR-M4/1550 |
| Type | Benchtop Abbe Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | n = 1.5167–1.9166 (450 nm) |
| Accuracy | ±0.0002 (at 589 nm) |
| Wavelength Range | 450–1550 nm (with interchangeable interference filters) |
| Resolution | 0.0001 (refractive index), 0.1 (Abbe number) |
| Operating Temperature | 5–50 °C |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (main unit) | 13 × 29 × 31 cm |
| Weight (main unit) | 6.0 kg |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range | 1.5167–1.9166 |
| Measurement Accuracy | ±0.00002 (with 500–650 nm interference filters) |
| Wavelength Selection | 5 discrete wavelengths from 450 nm to 1550 nm |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | ES-421 |
| Measurement Principle | Conductivity Method |
| Salt Range | 0.00–10.0% (g/100g) |
| Resolution | 0.01% (0.00–2.99%), 0.1% (3.0–10.0%) |
| Accuracy | ±0.05% (0.00–0.99%), ±5% rel. (1.00–10.0%) |
| ATC Range | 10–40°C |
| Operating Temp. | 10–40°C |
| Power | 9V alkaline battery (006P) |
| Dimensions | 170 × 90 × 40 mm |
| Weight | 220 g (host only) |
| IP Rating | IP64 |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | ES-421 |
| Measurement Principle | Conductivity-based Salt Concentration Detection |
| Display | Full-digit LCD |
| Water Resistance | IP65-rated housing |
| Sample Volume | < 0.1 mL |
| Operating Temperature Range | 10–40 °C |
| Calibration | Air-zero function |
| Compliance | CE-marked, conforms to JIS Z 8401 (Accuracy of Measurement) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | ES-421 |
| Measurement Range | 0.00–10.0% (g/100g) |
| Accuracy | ±0.05% (0.00–0.99%), ±5% relative (1.00–10.0%) |
| Resolution | 0.01% (0.00–0.99%), 0.1% (3.0–10.0%) |
| Temperature Compensation | Automatic (ATC), 10–40°C |
| Power Supply | 9V alkaline battery (006P) |
| IP Rating | IP64 |
| Dimensions & Weight | 17 × 9 × 4 cm, 220 g (instrument only) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | ES-421 |
| Measurement Principle | Conductivity Method |
| Salt Concentration Range | 0.00–10.0% (g/100g) |
| Resolution | 0.01% (0.00–2.99%), 0.1% (3.0–10.0%) |
| Accuracy | ±0.05% (0.00–0.99%), ±5% relative (1.00–10.0%) |
| Automatic Temperature Compensation (ATC) | 10–40°C |
| Operating Ambient Temperature | 10–40°C |
| Power Supply | 9V alkaline battery (006P) |
| Dimensions & Weight | 17 × 9 × 4 cm, 220 g (instrument only) |
| Ingress Protection Rating | IP64 |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | ES-421 Soy Sauce Salinometer |
| Measurement Principle | Conductivity-based |
| Range | 0.00–10.0% (g/100g) |
| Accuracy | ±0.05% (0.00–0.99%), ±5% relative (1.00–10.0%) |
| ATC Range | 10–40°C |
| Resolution | 0.01% (0.00–0.99%), 0.1% (3.0–10.0%) |
| Power | 9V alkaline battery (006P) |
| IP Rating | IP64 |
| Dimensions | 17 × 9 × 4 cm |
| Weight | 220 g (host only) |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | HHR-2N |
| Product Type | Handheld Refractometer |
| Measurement Range | Honey Moisture 12.0–30.0% (w/w) |
| Resolution | 0.1% |
| Dimensions | 4 × 4 × 17 cm |
| Weight | 260 g |
| Temperature Control | None |
| Digital Display | None |
| Compliance | Designed for ISO 21542-compliant honey quality assessment |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | HSR-500 |
| Measurement Range | Brix 0.0–90.0% |
| Accuracy | ±0.2% Brix |
| Temperature Control | Yes |
| Display Type | Analog (scale-view optical eyepiece) |
| Sample Volume | < 0.3 mL |
| Dimensions | 4 × 4 × 20 cm |
| Weight | 600 g |
| Compliance | ISO 2173, AOAC 932.12, ASTM D1078 |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | HSR-500 |
| Product Type | Handheld Refractometer |
| Measurement Range | 0.0–90.0% Brix |
| Resolution | 0.2% Brix |
| Dimensions | 4 × 4 × 20 cm |
| Weight | 600 g |
| Temperature Compensation | None |
| Digital Display | None |
| Compliance | ISO 2173, AOAC 985.16, ICUMSA Methods |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model Series | MASTER |
| IP Rating | IP65 (α, H, T series) |
| Temperature Compensation | Automatic (α, T, H series) |
| Sample Volume | 2–3 drops |
| Prism Cleaning | Rinseable with flowing water |
| Ergonomic Design | Antimicrobial textured grip |
| Compliance | Conforms to JIS Z 8807 (Refractometry), ISO 21748 (Reference materials for refractometer calibration) |
| Measurement Principle | Critical angle of total internal reflection through high-precision optical prism |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Product Type | Handheld Refractometer |
| Model | MASTER Series |
| Display | Digital |
| Temperature Compensation | Automatic (ATC) |
| IP Rating | IP65 (excluding eyepiece) |
| Dimensions | 3.2 × 3.4 × 20.3 cm |
| Weight | 105 g |
| Accuracy | ±0.2% NaCl (10–30 °C) |
| Key Scales | NaCl 0.0–10.0% (MASTER-S10a), NaCl 0.0–28.0% (MASTER-S28a) |
| Minimum Scale Division | 0.1% (S10a), 0.2% (S28a) |
| Illumination Plate | RE-2471-56M (standard), RE-2391-59M (optional), Prism Cover for Micro-sampling: RE-2391-50M (excl. high-viscosity samples) |