Refractometer
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| Brand | Reichert |
|---|---|
| Origin | USA |
| Model | EG-Chek |
| Product Type | Handheld Digital Refractometer |
| Temperature Control | Yes (ATC) |
| Digital Display | Yes |
| Measurement Range | 0–95% EG concentration, −57 °C to +57 °C ice point, 117–180 °C boiling point |
| Accuracy | ±0.2% EG concentration, ±0.6 °C for temperature parameters |
| Light Source | 589 nm LED |
| Dimensions | 54 × 27 × 100 mm |
| Weight | 100 g |
| Power | 2 × AAA batteries (included) |
| Battery Life | ~10,000 measurements |
| Auto-off & Sleep Mode | Yes |
| IP Rating | IP65 |
| Compliance | CE, RoHS, WEEE |
| Warranty | 1 year |
| Brand | Reichert |
|---|---|
| Origin | USA |
| Model | Mark III |
| Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range | 1.3106–1.7000 nD |
| Refractive Index Accuracy | ±0.0001 nD |
| Brix Range | 0.0–95.0 %Brix (ICUMSA) |
| Brix Accuracy | ±0.1 % |
| Light Source | High-intensity, long-life LED at 589 nm |
| Temperature Control Range | 10–80 °C |
| Temperature Stability | ±0.01 °C |
| Prism Material | Optical glass prism sealed with epoxy resin and 416 stainless steel sample well |
| Display | LCD, 44 × 44 mm active area |
| Interface | RS-232, user-configurable baud rate up to 57600 |
| Calibration History Storage | Hundreds of entries |
| Auto Thermal Equilibrium Detection | Yes |
| Password Protection | For method setup and menu parameters |
| Brand | Reichert |
|---|---|
| Origin | USA |
| Model | Multi-Chek |
| Type | Handheld Digital Refractometer |
| Temperature Control | Yes (ATC) |
| Display | Digital LCD |
| Measurement Range | EG freeze point: 0 to –57 °C |
| PG freeze point | 0 to –51 °C |
| Battery electrolyte SG | 1.000–1.463 |
| Windshield washer fluid freeze point | 0 to –54 °C |
| Accuracy | ±0.3 °C (EG/PG), ±0.003 SG (battery), ±1 °C (washer fluid) |
| Light Source | 589 nm LED |
| ATC Reference | 20 °C |
| IP Rating | IP65 |
| Compliance | CE, RoHS, WEEE |
| Power | 2 × AAA batteries (included) |
| Battery Life | ~10,000 measurements |
| Dimensions | 54 × 27 × 100 mm |
| Weight | 100 g |
| Brand | Reichert |
|---|---|
| Origin | USA |
| Model | Multi-Chek7 |
| Type | Handheld Digital Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | Engine Coolant Freeze Point: 0 to –57 °C |
| Coolant Concentration | 0–95% |
| AdBlue/DEF Concentration | 0–50% |
| Windshield Washer Fluid Freeze Point | 0 to –54 °C |
| Battery Electrolyte Specific Gravity | 1.000–1.463 SG |
| DOT4 Brake Fluid Boiling Point | 125–275 °C |
| DOT4 Plus Boiling Point | 150–275 °C |
| Accuracy | ±0.3 °C (freeze point), ±1% (concentration), ±0.1% (AdBlue), ±1% (washer fluid freeze point), ±0.003 SG (electrolyte), ±3 °C (brake fluid boiling point) |
| Dimensions | 54 × 27 × 100 mm |
| Weight | 100 g |
| IP Rating | IP65 |
| Compliance | ASTM D1120, ISO 2808, CE, RoHS, WEEE |
| Power | 2 × AAA batteries (included) |
| Battery Life | >10,000 measurements |
| Auto-off & Sleep Mode | Yes |
| Warranty | 1 year |
| Brand | Reichert |
|---|---|
| Origin | USA |
| Model | PG-Chek |
| Type | Handheld Digital Refractometer |
| Temperature Control | Yes (ATC) |
| Display | Digital LCD |
| Measurement Range | 0–95% PG concentration |
| Accuracy | ±0.2% PG |
| Ice Point Range | 0–51°C (±0.6°C) |
| Boiling Point Range | 117–174°C (±0.6°C) |
| Light Source | 589 nm LED |
| ATC Reference | 20°C |
| IP Rating | IP65 |
| Compliance | CE, RoHS, WEEE |
| Power | 2×AAA batteries (included) |
| Battery Life | ~10,000 measurements |
| Dimensions | 54 × 27 × 100 mm |
| Weight | 100 g |
| Brand | Reichert |
|---|---|
| Origin | USA |
| Model | R2i300 |
| Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range | 1.3330–1.5600 nD |
| Brix Range | 0.0–95.0% |
| RI Accuracy | ±0.0001 nD |
| Brix Accuracy | ±0.1% |
| Light Source | High-intensity LED, 589 nm |
| Prism Material | Sapphire |
| Sample Chamber | PTFE-lined 416 stainless steel |
| Auto Temperature Compensation (ATC) | Yes |
| Calibration Modes | Fixed-point and user-defined range/point |
| Display | LCD, 11 × 6 cm |
| Predefined Measurement Modes | 7 |
| Brand | Reichert |
|---|---|
| Origin | USA |
| Model | Rhino Duo-Chek |
| Type | Handheld Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Freezing Point Range | 0 to –48 °C |
| Accuracy | ±0.55 °C |
| Specific Gravity Range | 1.100–1.400 (Resolution: 0.01) |
| Ethylene Glycol Concentration Range | 0–70% |
| Propylene Glycol Concentration Range | 0–61% |
| Refractive Index Range | 1.3330–1.4048 |
| Calibration Fluid | Distilled Water |
| Compliance | ASTM D3321-94 (2002) |
| Brand | Roadvista |
|---|---|
| Origin | USA |
| Model | ROADVISTA 932 |
| Measurement Range | 0–20,000 cd·lx⁻¹·m⁻² |
| Measurement Accuracy | ±0.001% (RA) |
| Incident Angle Adjustment | −45° to +45° (continuous) |
| Observation Angle Adjustment | 0.2° to 2.0° (continuous) |
| Aperture Angle (Source & Detector) | 0.1° |
| Test Area Diameter | 25 mm |
| Colorimetric Compliance | CIE 1931 xy chromaticity coordinates (retroreflected) |
| Data Storage Capacity | >32,000 measurements |
| Interface | USB 2.0 + Bluetooth 4.2 |
| Power Supply | Removable 12 VDC, 2.4 Ah Li-ion battery |
| Operating Temperature | 0–50 °C |
| Relative Humidity | 0–95% RH (non-condensing) |
| Dimensions | 380 × 115 × 325 mm |
| Weight | 2.9 kg (with battery) |
| Standards Compliance | ASTM E1709, ASTM E2540, ASTM D4956, EN 12899, EN 471, ANSI/ISEA 107, ISO 20471, GB/T 28648, GB 20653, GB/T 28468–2012 |
| Brand | Rudolph |
|---|---|
| Origin | USA |
| Model | J-Series Refractometer Module |
| Product Type | Benchtop Refractometer |
| Temperature Control | Yes (Dual-zone semiconductor Peltier) |
| Digital Display | Yes (10.4" color TFT touchscreen) |
| Measurement Range | 1.26–1.72 RI, 0–100 Brix |
| Measurement Resolution | 0.00001 RI |
| Accuracy | ±0.00002 RI, ±0.015 Brix |
| Temperature Control Range | 10–110 °C (120 °C optional) |
| Temperature Stability | ±0.01 °C |
| Prism Material | Sapphire |
| Interface | RS-232, USB, Cat5 Ethernet |
| Compliance | NIST-traceable calibration standards available |
| Design | Modular split architecture (separate measurement head and control unit) |
| Brand | Rudolph |
|---|---|
| Origin | USA |
| Model | J157 |
| Product Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | 1.33–1.53 RI, 0–100 °Brix |
| Measurement Accuracy | ±0.00002 RI, ±0.01 °Brix |
| Resolution | 0.00001 RI, 0.01 °Brix |
| Wavelength | 589.3 nm (Na-D line), optional alternate wavelengths available |
| Temperature Control Range | 10–90 °C |
| Temperature Stability | ±0.01 °C |
| Sample Interface Options | Dropper, Flow Cell, and Pour-in Configurations |
| Brand | Rudolph |
|---|---|
| Origin | USA |
| Model | J257 |
| Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | 1.26–1.72 RI, 0–100 °Brix |
| Measurement Accuracy | ±0.0001 RI, ±0.1 °Brix |
| Resolution | 0.00001 RI, 0.01 °Brix |
| Wavelength | 589.3 nm (Na-D line), optional alternate wavelengths available |
| Temperature Control Range | 10–100 °C (extended range: –5 to 110 °C) |
| Temperature Stability | ±0.01 °C |
| Prism Material | Sapphire (diameter > 20 mm) |
| Interface | RS-232, USB, Cat5 Ethernet |
| Storage | 32 GB internal memory |
| Display | 8-inch color touchscreen |
| Operating System | Windows 7 Embedded |
| Compliance Options | FDA 21 CFR Part 11 audit trail & electronic signature support (optional) |
| Software Features | SmartMeasure™ real-time measurement validation, Load-N-Go™ rapid sample loading, Easy Clean™ flat-cell design, Trend Analysis for QC monitoring, LIMS integration capability |
| Calibration Modes | Single-point, two-point, and multi-point calibration |
| Certified Reference Materials | NIST-traceable standards available |
| Brand | Rudolph |
|---|---|
| Origin | USA |
| Model | J357 |
| Instrument Type | Benchtop Refractometer |
| Temperature Control | Yes (Peltier-based, 10–100 °C standard, –5 to 110 °C optional) |
| Digital Display | Yes (8-inch color TFT touchscreen) |
| Measurement Range | 1.26–1.72 RI, 0–100 °Brix |
| Measurement Accuracy | ±0.00002 RI, ±0.015 °Brix |
| Measurement Resolution | 0.00001 RI, 0.01 °Brix |
| Wavelength | 589.3 nm (Na-D line), optional alternate wavelengths available |
| Prism Material | Sapphire (≥20 mm diameter) |
| Calibration Options | Single-, dual-, and multi-point calibration |
| Data Storage | 32 GB internal memory |
| Connectivity | RS-232, USB, Cat5 Ethernet |
| Software Compliance | Optional 21 CFR Part 11 audit trail & electronic signature support |
| Operating System | Windows 7 Embedded |
| LIMS Integration | Yes |
| Smart Measurement Technology | SmartMeasure™ |
| Sample Handling | Load-N-Go™ automated sample introduction |
| Cleaning Design | Easy Clean™ flat-cell geometry |
| Regulatory Standards Support | NIST-traceable reference materials available |
| Trend Analysis | Real-time QC data visualization and statistical trending |
| Brand | Rudolph |
|---|---|
| Origin | USA |
| Model | J457 |
| Product Type | Benchtop Refractometer |
| Temperature Control | Yes (Peltier dual-zone) |
| Digital Display | Yes |
| Measurement Range | 1.26–1.72 RI, 0–100 °Brix |
| Measurement Resolution | 0.000001 RI, 0.01 °Brix |
| Accuracy | ±0.000002 RI, ±0.015 °Brix |
| Temperature Control Range | 10–110 °C (120 °C optional) |
| Temperature Stability | ±0.01 °C |
| Prism Material | Sapphire |
| Display | 10.4″ color TFT touchscreen |
| Interface | RS-232, USB, Cat5 Ethernet |
| Compliance | NIST-traceable calibration standards available |
| Enclosure Rating | IP65-rated for dust and water resistance |
| Configuration | Modular split-system (remote sensor head + control unit) |
| Brand | Rudolph |
|---|---|
| Origin | USA |
| Model | J47 |
| Product Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | 1.33–1.53 RI, 0–100 °Brix |
| Measurement Accuracy | ±0.00002 RI, ±0.01 °Brix |
| Resolution | 0.00001 RI, 0.01 °Brix |
| Wavelength | 589.3 nm (Na-D line), optional alternate wavelengths available |
| Light Source | LED (>100,000 h lifetime) |
| Calibration | 1-, 2-, or multi-point |
| Interface | USB |
| Brand | Rudolph |
|---|---|
| Origin | USA |
| Model | J57-VT |
| Product Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | 1.33–1.53 RI, 0–100 °Brix |
| Measurement Accuracy | ±0.00002 RI, ±0.01 °Brix |
| Resolution | 0.00001 RI, 0.01 °Brix |
| Wavelength | 589.3 nm (Na-D line, other wavelengths optional) |
| Temperature Control Range | 10–65 °C |
| Temperature Stability | ±0.01 °C |
| Compliance | ASTM D1218, ISO 2163, USP <781>, AOAC 932.12 |
| Brand | S+H (Schmidt+Haensch) |
|---|---|
| Origin | Germany |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Benchtop Refractometer |
| Display | Digital LCD & Optional 7-inch Touchscreen |
| Measurement Range | 1.32000–1.58000 RI / 0–100 %Brix |
| Resolution | 0.00001 RI / 0.01 %Brix |
| Accuracy | ±0.00002 RI / ±0.02 %Brix |
| Sample Volume | 0.3 mL |
| Temperature Compensation | Built-in NTC sensor with automatic compensation (no external thermostat required) |
| Optical System | Sapphire prism assembly with birefringence-corrected design |
| Detector | High-sensitivity CCD imaging sensor |
| Interfaces | USB, RS232, Ethernet (LAN) |
| Compliance | ISO 21648, ASTM D1218, USP <851>, GLP-compliant data logging |
| Brand | Schmidt + Haensch (S+H) |
|---|---|
| Origin | Germany |
| Model | ATR-BR |
| Product Type | In-line / Laboratory Refractometer |
| Temperature Control | Integrated Peltier-free prism temperature sensing |
| Digital Display | Backlit LCD (16×16 characters) |
| Measurement Range | 1.32000–1.54000 RI / 0–100 %Brix |
| Resolution | 0.00001 RI / 0.01 %Brix |
| Accuracy | ±0.00002 RI / ±0.01 %Brix (1.32–1.44), ±0.00003 RI / ±0.01 %Brix (1.44–1.54) |
| Repeatability | 0.00001 RI / 0.01 %Brix |
| Temperature Sensing | NTC sensor embedded in sapphire prism, accuracy ±0.03 °C, repeatability ±0.02 °C |
| Sample Volume | 0.3 mL |
| Prism Material | Sapphire |
| Light Source | LED with integrated interference filter, λ = 589 nm |
| Interfaces | RS-232C (bidirectional), Centronics parallel port, USB (optional) |
| Compliance | ASTM D1218, DIN 51757, ISO 21542, USP <781>, ICUMSA Method GS2/3-13, AOAC 932.12, FDA 21 CFR Part 11 (with optional audit trail software) |
| Brand | Schmidt + Haensch (S+H) |
|---|---|
| Origin | Germany |
| Model | ATR-L |
| Product Type | In-line Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | 1.33200–1.70000 RI / 0–100% Brix |
| Measurement Accuracy | ±0.00001 RI / ±0.01 Brix |
| Temperature Control Range | 10–80 °C |
| Temperature Accuracy | ±0.03 °C |
| Wavelengths | 400, 450, 490, 525, 589, 660, 700 nm (LED-based) |
| Prism Material | YAG |
| Detection Principle | Critical Angle of Total Internal Reflection (ATR) |
| Sensor | CCD array |
| Compliance | ASTM, ISO, AOAC, DIN, ICUMSA, USP, FDA 21 CFR Part 11 (software-enabled), GLP/GMP-ready |
| Key | Brand: Schmidt + Haensch |
|---|---|
| Origin | Germany |
| Model | ATR-P |
| Type | Inline Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | 1.32000–1.54000 RI / 0–100 % Brix |
| Resolution | 0.00001 RI / 0.01 % Brix |
| Accuracy | ±0.00002 RI / ±0.02 % Brix |
| Repeatability | ±0.00001 RI / ±0.01 % Brix |
| Temperature Range (Sample) | +5 to +50 °C |
| Temperature Accuracy | ±0.03 °C |
| Wavelength | 589 nm (LED with interference filter) |
| Prism Material | Sapphire |
| Display | 7″ TFT touchscreen (800 × 480 px, 16-bit color) |
| Interface | 2× RS232, 3× USB-A, 1× USB-B, 1× Ethernet |
| Compliance | ASTM E1220, ICUMSA Method GS2/3-12, USP <851>, Ph. Eur. 2.2.29, GLP/GMP-ready |
| Brand | Schmidt + Haensch (S+H) |
|---|---|
| Origin | Germany |
| Model | DHR |
| Type | Digital handheld refractometer |
| Temperature control | Yes (ATC) |
| Digital display | Yes (5-digit LCD) |
| Measurement range | 0–95 °Brix / 1.3300–1.5400 RI |
| Resolution | 0.1 °Brix / 0.0001 RI |
| Accuracy | ±0.2 °Brix / ±0.0003 RI |
| Operating sample temperature | 5–60 °C |
| Ambient temperature range | 5–40 °C |
| ATC compensation range | 5–70 °C |
| IP rating | IP65 |
| Compliance | CE, RoHS |
| Power | 2×AAA batteries |
| Dimensions (L×W×H) | 115×54×30 mm |
| Weight | 85 g (without batteries) |
| Prism material | Optical glass |
| Brand | Schmidt + Haensch (S+H) |
|---|---|
| Origin | Germany |
| Model | VariRef A / B / C |
| Product Type | Inline Refractometer |
| Temperature Control | Dual-isolated Peltier system |
| Digital Display | 5" or 7" capacitive touchscreen (800 × 480 px, 16-bit color) |
| Measurement Range | 1.320000–1.580000 RI / 100% Brix (VariRef A) |
| Accuracy | ±0.00002 RI / ±0.02% Brix |
| Resolution | 0.00001 RI / 0.01% Brix |
| Repeatability | ±0.00001 RI / ±0.01% Brix |
| Temperature Control Range | +5°C to +100°C (VariRef B, customizable) |
| Temperature Accuracy | ±0.03°C |
| Prism Material | Sapphire (A & C), Sapphire/YAG (B) |
| Light Source | LED with integrated 589 nm interference filter |
| Compliance | ASTM D1218, ISO 2160, USP <781>, Ph. Eur. 2.2.12, ICUMSA Methods GS2/3-13, AOAC 932.12, DIN 51757, FDA 21 CFR Part 11 (software-enabled), GLP/GMP audit trail support |
| Brand | SCHMIDT+HAENSCH (S+H) |
|---|---|
| Country of Origin | Germany |
| Model Series | ATR ST / ST plus / ST T plus |
| Refractive Index Range | 1.3320–1.5320 / 1.30000–1.54000 / 1.28000–1.54000 RI |
| Brix Range | 0–95 / 0–100 / 0–100 % |
| Resolution | RI 0.0001 / 0.00002 / 0.00001 |
| Accuracy | RI ±0.0001 / ±0.00005 / ±0.00003 |
| Temperature Control Range | +5 °C to +50 °C |
| Light Source | 589 nm LED |
| Display | 16×16 character LCD |
| Auto Temperature Compensation | Yes |
| Brand | Schmidt+Haensch (S+H) |
|---|---|
| Country of Origin | Germany |
| Model | ATR W1 / W1 Plus / W2 / W2 Plus |
| Refractive Index Range | RI 1.33200–1.53200 (W1/W1 Plus), RI 1.33200–1.70000 (W2/W2 Plus) |
| Brix Range | 0–95% (W1/W1 Plus), 0–100% (W2/W2 Plus) |
| Resolution | RI 0.00002 / Brix 0.02 (W1/W1 Plus), RI 0.00001 / Brix 0.01 (W2/W2 Plus) |
| Accuracy | ±0.00004 RI / ±0.04 Brix (W1/W1 Plus), ±0.00002 RI / ±0.02 Brix (W2/W2 Plus) |
| Temperature Control | Peltier-controlled sapphire prism, operating range +10°C to +80°C |
| Brand | Schmidt+Haensch (S+H) |
|---|---|
| Country of Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | Automated Liquid Dispensing System |
| Pricing | Upon Request |
| Brand | Schmidt+Haensh (S+H) |
|---|---|
| Country of Origin | Germany |
| Model | ATR SW / ATR SW Plus |
| Refractive Index Range | RI 1.33200–1.53200 (ATR SW), RI 1.30000–1.54000 (ATR SW Plus) |
| Brix Range | 0–95% (ATR SW), 0–100% (ATR SW Plus) |
| Resolution | RI 0.00002 / 0.00001, Brix 0.02 / 0.01 |
| Accuracy | RI ±0.00004 / ±0.00002, Brix ±0.04 / ±0.02 |
| Temperature Control Range | +5 °C to +50 °C |
| Prism Material | Sapphire |
| Light Source | LED with 589 nm interference filter |
| Display | 16×16 character LCD |
| Data Interface | Parallel port and RS-232C |
| Brand | Schmidt+Haensh (S+H) |
|---|---|
| Country of Origin | Germany |
| Model | ATR-B/F new |
| Type | Benchtop Refractometer |
| Temperature Control | Built-in Peltier |
| Digital Display | 7" TFT Touchscreen |
| Measurement Range | 1.32000–1.7000 RI / 0–100% Brix |
| Resolution | 0.00001 RI / 0.01% Brix |
| Accuracy | ±0.00002 RI / ±0.02% Brix |
| Light Source | LED with 589 nm interference filter (>100,000 h lifetime) |
| Compliance | ASTM, ISO, DIN, USP, ICUMSA, FDA 21 CFR Part 11 ready (optional software), GLP/GMP compliant |
| Brand | Schmidt+Haensch (S+H) |
|---|---|
| Country of Origin | Germany |
| Model | DSR-λ |
| Wavelengths | 400, 436, 486, 546, 589, 656, 707 nm |
| Refractive Index Range | 1.33200–1.70000 (at 589 nm) |
| Resolution | 0.00001 RI unit & 0.01°C |
| Accuracy | ±0.0001 RI (at 20°C) |
| Temperature Control | Peltier-based |
| Operating Temperature Range | +18°C to +30°C (extended ranges available on request) |
| Light Source | Stable LED array with seven discrete wavelengths |
| Compliance | ASTM standard methods built-in |
| Sample Compatibility | Liquids, solutions, transparent or slightly turbid homogeneous samples |
| Brand | Schmidt+Haensh (S+H) |
|---|---|
| Country of Origin | Germany |
| Model | Portable Refractometer |
| Measurement Range | 0.0–60.0 °Brix or 45–90 °Brix |
| Resolution | 0.1 °Brix |
| Accuracy | ±0.2 °Brix |
| Measurement Time | 2 s |
| Sample Volume | >0.1 mL |
| Operating Temperature | +10 °C to +70 °C |
| Measured Temperature Range | up to 100 °C |
| Power Supply | Battery-operated |
| Units | °Brix |
| Brand | Schmidt+Haensh (S+H) |
|---|---|
| Country of Origin | Germany |
| Model | Portable Handheld Refractometer |
| Measurement Ranges | Brix (4 selectable ranges), Urine (0–12 g/dL), Salt (0–28%), Alcohol (0–32 °Brix |
| Operating Temperature | +10°C to +40°C |
| Automatic Temperature Compensation (ATC) for Brix | +10°C to +30°C |
| Weight | 0.25 kg |
| Compliance | Designed per ISO 21749:2022 (Refractometric determination of soluble solids), ASTM D1218, USP <781> |
| 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 |