Optical Measurement Instruments
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Showing 1021–1050 of 3701 results
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 671 Series |
| Wavelength Range | 375 nm – 5 µm (671A), 375 nm – 12 µm (671B) |
| Absolute Accuracy | ±0.2 ppm (VIS/NIR), ±0.75 ppm (IR), ±1 ppm (MIR) |
| Repeatability | ±0.03 ppm (VIS/NIR), ±0.06 ppm (IR), ±0.1 ppm (MIR) |
| Calibration Source | Stabilized He-Ne Laser |
| Input Options | Fiber-coupled (VIS/NIR), Collimated Beam with Alignment Pilot (IR/MIR) |
| Minimum Input Power | 10–250 µW (VIS/NIR), 65–925 µW (IR/MIR) |
| Display Resolution | 9 digits (671A), 8 digits (671B) |
| Units | nm, µm, cm⁻¹, GHz, THz |
| Warm-up Time | <15 min (671A), None required (671B) |
| Dimensions (H×W×L) | 142×165×381 mm (VIS/NIR), 191×165×381 mm (IR/MIR) |
| Interface | USB 2.0 with SCPI-compatible command set for OEM integration |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 771 Series |
| Wavelength Range | VIS (375–1100 nm), NIR (520–1700 nm), IR (1–5 µm), MIR (1–12 µm) |
| Absolute Wavelength Accuracy | ±0.2 ppm (VIS/NIR), ±0.75 ppm (IR/MIR) |
| Spectral Resolution | 4 GHz standard / 2 GHz high-res (VIS/NIR) |
| Calibration Source | Internal stabilized He-Ne laser |
| Input | Fiber-coupled (VIS/NIR), collimated beam with alignment guide (IR/MIR) |
| Warm-up Time | <15 min (VIS/NIR), no warm-up required (IR/MIR) |
| Dimensions (H×W×L) | 142×165×381 mm (VIS/NIR), 191×165×381 mm (IR/MIR) |
| Interface | USB 2.0 with SCPI command set for OEM integration |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 772B-MIR |
| Laser Type | CW or Pulsed (Rep. Rate ≥ 100 Hz) |
| Wavelength Range | 1–12 µm |
| Spectral Resolution | 4 GHz |
| Wavelength Accuracy | ±10 ppm (±0.08 nm @ 8 µm |
| Optical Rejection | >20 dB (>30,000 pulses) |
| Minimum Input Power | 0.005–2.5 µW |
| Measurement Time | 2 × Number of Pulses |
| Input | Free-space beam with auxiliary visible alignment guide |
| Display Units | 8-digit readout in nm, µm, cm⁻¹, GHz, THz |
| Calibration | Internal continuous calibration |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 828B |
| Wavelength Range | 1250–1650 nm (182–240 THz) |
| Absolute Accuracy | ±0.65 ppm (±1.0 pm @ 1550 nm) |
| Repeatability | ±0.2 ppm |
| Calibration Source | Internal NIST-traceable HeNe laser |
| Measurement Rate | 1000 Hz |
| Power Measurement Accuracy | ±0.5 dB (within ±30 nm of 1310/1550 nm) |
| Minimum Input Power | –40 dBm @ 100 Hz (0.1 µW) |
| Maximum Input Power | +10 dBm (display), +18 dBm (safe) |
| Display Resolution | 0.0001 nm |
| Output Units | nm, cm⁻¹, THz |
| Interface | USB 2.0, Ethernet (GPIB optional) |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 872 Series |
| Wavelength Range (VIS) | 375–1100 nm |
| Wavelength Range (NIR) | 630–1700 nm |
| Absolute Accuracy | ±0.2 ppm (±0.0002 nm @ 1000 nm) |
| Resolution | 0.001 ppm (300 kHz @ 300,000 GHz) |
| Measurement Rate | 1 kHz |
| Input | Fiber-coupled (free-space option available) |
| Calibration | Internal wavelength reference standard |
| PID Control | Integrated |
| Warm-up Time | <15 min |
| Dimensions (H×W×L) | 89 mm × 432 mm × 381 mm |
| Minimum Pulse Energy | 3–300 nJ (VIS), 50–600 nJ (NIR) |
| Brand | Brolis Semiconductors |
|---|---|
| Origin | Lithuania |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported |
| Model | FL21000055AZ |
| Pricing | Available Upon Request |
| Brand | Alicona |
|---|---|
| Origin | Austria |
| Manufacturer Status | Authorized Distributor |
| Origin Category | Imported |
| Model | FocusX |
| Price | USD 245,000 (FOB Vienna, ex-works, configuration-dependent) |
| Brand | Bruker |
|---|---|
| Origin | USA |
| Model | FilmTek 2000M TSV |
| Optical Configuration | Collimated Beam Reflectometry |
| Spot Size Range | 2 × 1 µm to >100 µm (adjustable via microscope objectives) |
| Spectral Range | 190–1100 nm |
| Spectral Resolution | <1.5 nm FWHM |
| Thickness Measurement Range | 5 nm – 350 µm |
| Compliance | ASTM E2476, ISO/IEC 17025 (when operated in accredited lab environments), supports GLP/GMP data integrity requirements |
| Brand | Bruker |
|---|---|
| Origin | USA |
| Model | Filmtek 4000 |
| Measurement Angles | 0° (normal incidence) and 70° (grazing incidence) |
| Spectral Range | 400–1650 nm |
| Spot Size | 1 mm (0°), 2 mm (70°) |
| Thickness Range | 100 nm – 150 µm |
| Thickness Accuracy | ≤3 Å (1σ), Repeatability: ≤0.5 nm (1σ) |
| Refractive Index Resolution | 2×10⁻⁵ @ TE, 4×10⁻⁵ @ TM (1σ) |
| Stage Travel | 200 mm × 200 mm, Positioning Resolution: 1 µm |
| Light Source | Halogen lamp, Lifetime ≥2000 h |
| Detectors | Dual visible CCDs (380–950 nm, 0.3 nm resolution, 2048 px) + Dual IR InGaAs detectors (950–1650 nm, 2 nm resolution, 512 px) |
| Software | Filmtek 4000 Suite with DPSD, Cauchy, Sellmeier, Drude, Lorentz, Tauc, EMA, Graded, Superlattice, and NK modeling |
| Brand | Bruker |
|---|---|
| Origin | Germany |
| Model | NanoTracker 2 |
| Laser Class | Class 1 |
| Positional Resolution | Sub-nanometer (closed-loop) |
| Force Sensitivity | < 0.1 pN/√Hz |
| Trap Stiffness Range | 0.01–100 pN/µm |
| Detection Bandwidth | Up to 100 kHz |
| Sample Stage Options | Piezo-driven XYZ stage (optional) |
| Illumination | LED-based Köhler illumination with condenser lens |
| Control Interfaces | TTL-triggered external devices (cameras, spectrometers, PMTs, APDs) |
| Software Compliance | FDA 21 CFR Part 11–ready audit trail, GLP/GMP-compatible experiment logging |
| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SM25 |
| Pricing | Upon Request |
| Brand | BJBY (Beijing Baoyun) |
|---|---|
| Origin | Beijing, China |
| Model | BY-TC1100 |
| Type | Portable Turbidimeter |
| Measurement Principle | 90° Nephelometric Scattering |
| Range Options | 0–20 NTU / 0–200 NTU |
| Minimum Detectable Value | 0.01 NTU (0–20 range) / 0.1 NTU (0–200 range) |
| Accuracy | ±8% of reading (±2.5% F.S.) |
| Repeatability | ≤1% |
| Zero Drift | ±1% F.S. |
| Light Source | Long-life LED (90° scattering geometry) |
| Warm-up Time | ≤30 s |
| Power Supply | 9 V alkaline battery or AC/DC adapter (220 V AC / 50 Hz input |
| Dimensions | 235 × 75 × 65 mm |
| Display | Backlit LCD with microprocessor control |
| Auto Functions | Auto-zero, auto-calibration, auto-shutdown after 10 min inactivity |
| Data Interface | Analog/digital output port (RS-232 or TTL-level, configurable) |
| Compliance | ISO 7027:2016 (Nephelometric method for turbidity measurement) |
| Brand | BYK |
|---|---|
| Origin | Germany |
| Model | A-4430 |
| Measurement Angles | 20° / 60° / 85° |
| Geometry | Single-beam, fixed-angle reflectance |
| Measurement Area | 9 mm × 18 mm (60°), 9 mm × 9 mm (20°), 7 mm × 72 mm (85°) |
| Gloss Unit (GU) Range | 20°: 0–2000 GU |
| 60° | 0–1000 GU |
| 85° | 0–160 GU |
| Repeatability | ±0.5 GU (0–99.9 GU), ±0.2% (100–2000 GU) |
| Reproducibility | ±1 GU (0–99.9 GU), ±0.5% (100–2000 GU) |
| Light Source | Tungsten filament lamp (2.5 V / 60 mA) |
| Detector | Silicon photodiode |
| Data Storage | 999 readings across 50 user-defined groups |
| Interface | RS232 |
| Compliance | ISO 2813, ASTM D523, DIN 67530, JIS Z 8741, BS 3900-D5 |
| Traceability | Calibrated against BAM (Bundesanstalt für Materialforschung und -prüfung) and NRC (National Research Council Canada) reference standards |
| Power | One AA alkaline battery (up to 10,000 measurements) |
| Dimensions | 55 × 148 × 72 mm |
| Weight | 500 g |
| Enclosure | Impact-resistant polymer housing with integrated calibration base |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | C84-III-B |
| Pricing | Available Upon Request |
| Measurement Range | 0–100 % |
| Resolution | 0.1 % |
| Accuracy | ±1 % |
| Repeatability | ±0.3 % |
| Operating Temperature | 20 °C ± 5 °C |
| Relative Humidity | < 85 % RH |
| Power Supply | 220 V ± 10 %, 50 Hz |
| Compliance | GB/T 13452.3–1992, GB 9270–1988, GB 5211.17–1988, ISO 3906:1980(E) |
| Brand | Calmar Laser |
|---|---|
| Model | CFL-05RFF0 |
| Wavelengths | 780 nm and 1550 nm (manually switchable) |
| Average Power | up to 0.8 W @ 780 nm, up to 2.5 W @ 1550 nm |
| Pulse Width | < 80 fs @ 780 nm, < 100 fs @ 1550 nm |
| Repetition Rate | 10–80 MHz (fixed per unit) |
| Beam Quality (M²) | < 1.2 @ 780 nm, < 1.1 @ 1550 nm |
| Polarization Extinction Ratio | > 25 dB @ 780 nm, > 18 dB @ 1550 nm |
| Power Stability | < 1% RMS over operating temperature range |
| RF Sync Output | 0.5 V TTL-compatible, SMA connector |
| Cooling | Air-cooled (low-noise fan) |
| Warm-up Time | ≤ 10 min |
| Laser Head Dimensions | 9.0 × 13.0 × 3.0 cm |
| Controller | 2U 19″ rackmount (44 × 42 × 9 cm) |
| Input Power | 85–264 VAC, 47–63 Hz, 200 VA max |
| Output Termination | Free-space collimated beam |
| Fiber Coupling Option | Available upon request |
| Brand | Calmar Laser (OEM series by Auniontech) |
|---|---|
| Wavelengths | 780 nm, 925 nm, 1030 nm, 1064 nm, 1550 nm |
| Pulse Width | <90 fs – 10 ps (model-dependent) |
| Repetition Rate | 1–100 MHz (typ.) |
| Average Power | 0.5–200 mW (model-dependent) |
| Spectral Bandwidth (FWHM) | 0.5–30 nm (wavelength- and model-dependent) |
| Output Configuration | Free-space or fiber-coupled (PM or non-PM) |
| Power Supply | +5 V DC |
| Compliance | RoHS-compliant optical module architecture |
| Form Factor | OEM-integrated module or benchtop-ready unit |
| Brand | MOGLabs |
|---|---|
| Model | CEL Series |
| Type | Cat’s-Eye External Cavity Diode Laser (ECDL) |
| Wavelength Range | 369.5 nm – 1550 nm (model-dependent) |
| Output Power | Up to 250 mW |
| Linewidth | < 100 kHz (with MOGLabs controller) |
| Tuning Mechanism | Cat’s-eye retroreflector + narrowband interference filter (replacing conventional diffraction grating) |
| Polarization | Linear, PER ≥ 100:1 |
| Beam Dimensions | ~0.6 mm × 0.3 mm (elliptical, diode-dependent) |
| Scan Speed | Up to 15 GHz/s (with MOGLabs controller) |
| Modulation Bandwidth | 10 MHz (AC/DC coupling), RF bias-T option up to >2.5 GHz |
| Coarse Tuning Range | e.g., 776–802 nm or 850–895 nm (single-mode, diode-dependent) |
| Optional Accessories | Fiber coupling module, external optical isolator |
| Brand | CEL (China Education Goldsource) |
|---|---|
| Model | CEL-IS151 |
| Focal Length | 150 mm |
| f-number | f/4.5 |
| Stray Light | ≤5×10⁻⁴ |
| Minimum Wavelength Step | 0.0045 nm |
| Grating Dimensions | 30 mm × 30 mm |
| Standard Gratings | 7OG1200-300 (1200 grooves/mm, λₚ = 300 nm) & 7OG600-1000 (600 grooves/mm, λₚ = 1000 nm) |
| Slit Width Range | 10 μm – 3 mm (motorized, 10 μm knife-edge protected) |
| Slit Height | 5 mm |
| Housing Dimensions | 298 mm × 200 mm × 185 mm |
| Optical Center Height | 140 mm (±5 mm adjustable) |
| Weight | 10 kg |
| Filter Wheel | 6-position, motorized, Φ18 mm × 2 mm capacity, auto-zeroing on activation |
| Optical Layout | Exit and entrance ports orthogonal |
| Brand | CEL (China Education Goldsource) |
|---|---|
| Model | CEL-IS302 |
| Focal Length | 300 mm |
| f-number | f/4.8 |
| Stray Light | ≤5×10⁻⁴ |
| Minimum Step Resolution | 0.0023 nm |
| Grating Dimensions | 55 mm × 55 mm × 6 mm |
| Standard Grating Set | 1200 g/mm (λₚ = 300 nm), 600 g/mm (λₚ = 750 nm), 300 g/mm (λₚ = 1250 nm) |
| Slit Width Range | 10 μm – 3 mm (motorized, 10 μm knife-edge with auto-protection) |
| Slit Height | 14 mm |
| Dimensions (L×W×H) | 390 mm × 278 mm × 204 mm |
| Weight | 16 kg |
| Brand | CEO |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Models | CW RBAT, QCW RBAT, CW REA, QCW REA |
| Key Components | Diode-Pumped Solid-State (DPSS) Laser Gain Modules |
| Gain Media Options | Nd:YAG, Nd:YLF |
| Operating Modes | Continuous Wave (CW), Quasi-Continuous Wave (QCW) |
| CW Output Power Range | 10–650 W |
| QCW Single-Pulse Energy Range | 150 mJ – >7.5 J |
| Rod Diameters | 2–25 mm |
| Rod Materials | Nd:YAG (standard), Nd:YLF (select models) |
| Thermal Management | Water-Cooled |
| Compliance | Designed for ISO 9001-aligned manufacturing and GLP-compliant laser system integration |
| Brand | CEO |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported |
| Models | HSL Series, Patara Series, Gigashot Series |
| Key Components | Diode-Pumped Solid-State (DPSS) Lasers with Integrated Diode Drivers and Controllers |
| Wavelengths | 355 nm, 532 nm, 1064 nm, 527 nm, 1053 nm |
| Pulse Energy Range | 0.2 mJ to >2 J |
| Average Power Range | 2 W to 400 W |
| Repetition Rate | Single-shot to 50 kHz |
| Pulse Width (FWHM) | <1.5 ns to <250 ns |
| Beam Quality (M²) | <1.3 (TEM₀₀) to <5 (multi-mode) |
| Cooling | Air-cooled or water-cooled |
| Compliance | Designed for ISO/IEC 17025-aligned lab environments |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | AR2008 |
| Product Type | Benchtop Refractometer |
| Display | Digital LCD |
| Temperature Compensation | Optional integrated thermoelectric module |
| Measurement Range | 1.3000–1.7200 nD |
| Accuracy | ±0.0002 nD |
| Resolution | 0.0001 nD |
| Temperature Sensor Range | 0–99 °C |
| Temperature Accuracy | ±0.3 °C |
| Illumination Source | LED (589 nm) |
| Interface | RS-232 @ 9600 baud |
| Dimensions | 12.0 × 29.0 × 25.0 cm |
| Weight | 5 kg |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | AR4 |
| Product Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | No |
| Measurement Range | 1.3000–1.7200 nD |
| Accuracy | ±0.0002 nD |
| Scale Division | 0.0005 nD |
| Temperature Sensor Range | 0–99 °C |
| Light Source | 590 nm LED (Sodium-D Equivalent) |
| Readout Method | Eyepiece with Graduated Scale Window |
| Dimensions | 10.0 × 27.0 × 19.0 cm |
| Weight | 2.5 kg |
| Calibration Standard | ASTM D1218 Compliant Calibration Plate |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | DR101-60 / DR201-95 / DR301-95 |
| Sample Measurement Range | nD 1.3330–1.4419 (DR101-60), nD 1.3330–1.5318 (DR201-95 & DR301-95) |
| Brix Range | 0–60% (DR101-60), 0–95% (DR201-95 & DR301-95) |
| Refractive Index Accuracy | ±0.00015 nD (DR301-95), ±0.0003 nD (DR201-95), ±0.0005 nD (DR101-60) |
| Brix Accuracy | ±0.1% (DR301-95), ±0.2% (DR201-95), ±0.35% (DR101-60) |
| Resolution | 0.0001 nD / 0.1% Brix |
| Temperature Compensation Range | 10–40 °C (all models) |
| Temperature Sensor | Integrated PT100 |
| Light Source | LED at 589 nm (sodium D-line equivalent) |
| IP Rating | IP50 (DR101-60), IP64 (DR201-95), IP65 (DR301-95) |
| Power Supply | 9 V battery with AC adapter (DR301-95), 1.5 V battery (DR201-95 & DR101-60) |
| Dimensions (L×W×H) | 18.0×10.0×6.0 cm (DR301-95), 13.0×8.0×4.0 cm (DR201-95), 11.0×6.2×3.2 cm (DR101-60) |
| Weight | 500 g (DR301-95), 200 g (DR201-95), 160 g (DR101-60) |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | DR6000 |
| Product Type | Benchtop Refractometer |
| Temperature Control | Peltier-based (10–80 °C, ±0.1 °C accuracy, ±0.05 °C stability) |
| Display | 5.7″ color touchscreen |
| Measurement Range | nD 1.3300–1.7000 |
| Brix | 0–95 % |
| Resolution | nD 0.00001, Brix 0.01 % |
| Accuracy | nD ±0.00002, Brix ±0.02 % |
| Measurement Time | ~4 s |
| Prism | Sapphire |
| Light Source | LED (590 nm, >100,000 h lifetime) |
| Data Storage | Integrated SQL database (99 custom methods, 999 results with timestamp, operator ID, audit trail) |
| Compliance | GLP/GMP, FDA 21 CFR Part 11, USP/EP/JP/BP, ISO, ASTM, ICUMSA, OIML, HACCP, NIST-traceable calibration |
| Interfaces | USB, RS-232, Ethernet (LIMS/remote diagnostics) |
| Enclosure | Powder-coated metal, IP65 |
| Dimensions | 21.5 × 15 × 34.5 cm |
| Weight | 5 kg |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | FP8400 |
| Type | Manual Flame Photometer |
| Detection Range | Na: 0.01–4500 mg/L (0.0004–200 mmol/L) |
| K | 0.02–4500 mg/L (0.0005–110 mmol/L) |
| Li | 0.02–3000 mg/L (0.0028–420 mmol/L) |
| Ca | 0.30–3000 mg/L (0.0075–75 mmol/L) |
| Measurement Channels | 5 independent configurable channels |
| Throughput | up to 300 samples/hour |
| Data Storage | 999 measurement records with traceable metadata |
| Compliance | GLP, GMP, FDA 21 CFR Part 11 (audit trail enabled) |
| Display | TFT high-brightness touchscreen |
| User Management | Dual-level authentication (admin/operator) |
| Interfaces | RS-232, USB, Ethernet |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | P3000 |
| Product Type | Automatic Polarimeter |
| Temperature Control | None (field-upgradable) |
| Display | Digital LCD Touchscreen |
| Light Source | LED (589 nm) |
| Measurement Range | ±90°, ±259 °Z |
| Resolution | 0.01° / 0.01 °Z |
| Repeatability | ±0.01° |
| Measurement Time | 1 s |
| Wavelength | 589 nm (fixed) |
| Path Length Compatibility | up to 220 mm |
| Data Storage | 999 entries |
| Interface | RS232 |
| Sensitivity | 0.1% w/w (at OD 3) |
| Calibration | Internal Auto-Calibration |
| Compliance | USP <781>, Ph. Eur. 2.2.7, BP Appendix XVII, JP XVI, ISO 8536-5, ASTM E1254, ICUMSA Method GS4/3-12, OIML R 136, NIST-traceable operation |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | P8000 |
| Product Type | Automatic Polarimeter |
| Temperature Control | Yes (Peltier or external water bath) |
| Display | 5.7" color LCD touchscreen (640×480 px) |
| Light Source | LED (589 nm, optional wavelengths available) |
| Measurement Range | ±90°, ±259°Z, 0–99.9 g/100 mL |
| Accuracy | ±0.003°, ±0.01 °Z, ±0.5 g/100 mL |
| Repeatability | ±0.002° |
| Measurement Time | 1 s |
| Temperature Range | 0–99.9 °C (Peltier) |
| Temperature Accuracy | ±0.2 °C |
| Temperature Resolution | 0.1 °C |
| Data Storage | 999 measurements |
| Interfaces | RS232, USB, Ethernet (LIMS-ready) |
| Sample Cell Options | 0.55–17 mL volume, 10–220 mm path length |
| Sensitivity | ≥0.1% (OD 3) |
| Calibration | Fully automated via menu |
| Compliance | ASTM E1258, ISO 11791, Ph. Eur. 2.2.7, USP <781>, OIML R163, IUCMSA, FDA 21 CFR Part 11, GLP/GMP audit trail capable |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | PR21S / PR21S-T |
| Sample Compatibility | Liquid process streams in pipes or reactors |
| Temperature Range | 10–60 °C (PR21S), 10–120 °C (PR21S-T) |
| Refractive Index Range | nD 1.3200–1.5200 |
| Brix Range | 0–95 % |
| Accuracy | ±0.0002 nD, ±0.2 % Brix |
| Resolution | 0.0001 nD, 0.1 % Brix |
| Wavelength | 590 nm (LED source, >100,000 h lifetime) |
| Prism Material | Sapphire |
| Temperature Sensor | PT100 (range: 10–200 °C |
| accuracy | ±0.2 °C |
| resolution | 0.1 °C) |
| Output Signals | 4–20 mA analog, RS-232, optional PROFIBUS-DP |
| Enclosure Rating | IP65 |
| Dimensions | 18.0 × 19.0 × 18.0 cm |
| Weight | 3.5 kg |
| Temperature Compensation | ICUMSA-compliant or user-definable |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | PRB21S |
| Product Type | Benchtop Bypass Refractometer |
| Temperature Control | Yes |
| Digital Display | No |
| Temperature Measurement Range | −10 to 99.9 °C |
| Temperature Accuracy | ±0.2 °C |
| Refractive Index Range (nD) | 1.3200–1.5600 |
| Brix Range | 0–95 % |
| Refractive Index Accuracy | ±0.0002 |
| Brix Accuracy | ±0.2 % |
| Refractive Index Resolution | 0.0001 |
| Brix Resolution | 0.1 % |
| Measurement Time | 3–60 s |
| Temperature Sensor | PT100 |
| Temp. Measurement Range | 10–120 °C |
| Temp. Resolution | 0.1 °C |
| Light Source | LED @ 590 nm (Lifespan > 100,000 h) |
| Output Signals | 0/4–20 mA analog, RS-232, optional PROFIBUS |
| IP Rating | IP65 |
| Dimensions (W×H×D) | 18.0 × 19.0 × 18.0 cm |
| Weight | 3 kg |
| Temperature Compensation | ICUMSA or user-definable |