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| Brand | Kyoto Electronics Manufacturing (KEM) |
|---|---|
| Origin | Japan |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Benchtop Density Meter & Refractometer |
| Temperature Control | Peltier-regulated (0–96°C for density, 5–75°C or optional 5–100°C for refractometry) |
| Display | Full-color touchscreen LCD |
| Sample Volume | ~1 mL per measurement |
| Measurement Principle | U-tube oscillation (density), Critical-angle light refraction at Na-D line (589.3 nm) |
| Density Range | 0–3 g/cm³ (model-dependent resolution: 1×10⁻⁶ g/cm³ for DA-650, 1×10⁻⁵ g/cm³ for DA-645, 1×10⁻⁴ g/cm³ for DA-640) |
| Refractive Index Range | nD = 1.32000–1.58000 (RA-620) or 1.3200–1.7000 (RA-600) |
| Refractive Index Accuracy | ±0.00002 nD (RA-620) / ±0.0001 nD (RA-600) |
| Brix Range | 0.00–100.00% (RA-620), 0.0–100.0% (RA-600) |
| Brix Accuracy | ±0.014% (RA-620), ±0.1% (RA-600) |
| Viscosity Compensation | Built-in dynamic correction algorithm for high-viscosity liquids |
| Auto-sampling | Integrated peristaltic pump with automated rinse, purge, and dry-cycle detection |
| Data Storage | 300 measurement records, 100 user-defined methods |
| Connectivity | LAN, USB, RS-232C |
| Compliance | Designed to support GLP/GMP workflows |
| Brand | KEM (Kyoto Electronics Manufacturing) |
|---|---|
| Origin | Japan |
| Manufacturer | Yes |
| Import Status | Imported |
| Model | DA-8XX + RA-6XX |
| Product Type | Benchtop Refractometer & Density Meter |
| Temperature Control | Peltier-controlled, 0–100 °C (density), 5–75 °C (refractometer) |
| Digital Display | Yes |
| Refractive Index Range | 1.32000–1.70000 nD |
| Brix Range | 0.00–100.00% |
| Refractive Index Accuracy | ±0.0001 nD |
| Density Measurement Principle | U-tube oscillation method |
| Density Range | 0–3 g/cm³ |
| Density Accuracy (DA-860) | ±0.000003 g/cm³ |
| Density Repeatability (DA-860) | ±0.000001 g/cm³ |
| Sample Volume | ~1 mL |
| Viscosity Correction | Built-in automatic correction |
| Auto-sampling | Integrated peristaltic pump with auto-drying judgment |
| Interface | LAN, USB, RS-232C |
| Compliance | ASTM D1250, ISO 12185, ISO 2859, USP <841>, GLP/GMP-ready audit trail support |
| Brand | KEM (Kyoto Electronics Manufacturing) |
|---|---|
| Origin | Japan |
| Manufacturer | Yes |
| Import Status | Imported |
| Model | BX-1 |
| Instrument Type | Destructive Sampling Refractometer |
| Measurement Principle | Abbe Refraction |
| Brix Range | 0.0–85.0% |
| Accuracy | ±0.2% Brix |
| Resolution | 0.1% Brix |
| Temperature Compensation | Automatic, 10–75°C |
| Display | LCD |
| Sample Volume | ~0.1 mL |
| Response Time | ≤2 s |
| Power | 2 × AAA batteries |
| Battery Life | ~30,000 measurements |
| IP Rating | IP65 |
| Dimensions | 45(W) × 32(D) × 153(H) mm |
| Weight | ~100 g |
| Brand | KEM (Kyoto Electronics Manufacturing) |
|---|---|
| Origin | Japan |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Class | Benchtop Refractometer |
| Temperature Control | Peltier-based, 5–75 °C |
| Digital Display | Yes |
| Measurement Range | Refractive Index (nD): 1.32000–1.58000 |
| Brix | 0.00–100.00% |
| Accuracy | Refractive Index: ±0.00002 nD |
| Brix | ±0.014% (0–85%) |
| Repeatability | Refractive Index: ±0.00001 nD |
| Brix | ±0.007% (<5%), ±0.01% (≥5%) |
| Resolution | Refractive Index: 0.00001 nD |
| Brix | 0.001% (<5%), 0.01% (≥5%) |
| Sample Volume | 0.2 mL |
| Prism Material | Sapphire |
| Temperature Resolution | 0.01 °C |
| Interface | LAN, USB, RS-232C |
| Compliance | ASTM D1218-21, ISO 1743:1982, GB/T 614-2021, GB/T 5527-2024, ICUMSA GS 4/3-13, OIML R 124 |
| Brand | KEM (Kyoto Electronics Manufacturing) |
|---|---|
| Origin | Japan |
| Manufacturer | Yes |
| Import Status | Imported |
| Model | RA-600 |
| Product Type | Benchtop Refractometer |
| Temperature Control | Peltier-based, 5–75°C (optional 5–100°C) |
| Digital Display | Yes |
| Refractive Index Range | 1.3200–1.7000 nD |
| Brix Range | 0.00–100.00% |
| Refractive Index Accuracy | ±0.0001 nD |
| Brix Accuracy | ±0.1% |
| Resolution | 0.0001 nD / 0.1% Brix |
| Light Source | LED at 589.3 nm (sodium D-line equivalent) |
| Prism Material | Sapphire |
| Sample Volume | 0.2 mL |
| Sample Stage Material | SUS316 stainless steel |
| Display | 4.7-inch color backlit LCD with touch interface (Chinese/English/Japanese) |
| Data Storage | 100 methods, 300 results, 20 calibration/verification records |
| Interface | LAN, USB, RS-232C |
| Power | AC 100–240 V, 50/60 Hz, 20 W |
| Dimensions | 191 × 281 × 161 mm |
| Weight | ~5 kg |
| Brand | KEM (Kyoto Electronics Manufacturing) |
|---|---|
| Origin | Japan |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported Instrument |
| Model | CHD-502 |
| Product Category | Benchtop Digital Refractometer |
| Temperature Control | Yes, Peltier-regulated sample chamber |
| Digital Display | Yes, high-resolution LCD interface |
| Refractive Index Range | 1.32–1.58 nD (compatible with RA-620 sensor) / 1.32–1.70 nD (compatible with RA-600 sensor) |
| Measurement Resolution | 0.00001 nD (RA-620) / 0.0001 nD (RA-600) |
| Sample Capacity | 30 positions |
| Vial Format | Standard 20 mL glass vials |
| Sampling Mechanism | Integrated vacuum-pressure pump system |
| Power Supply | AC 100–120 V / 200–240 V, 50/60 Hz, ~40 W |
| Dimensions (W×D×H) | 582 × 445 × 392 mm |
| Weight | 17 kg |
| Brand | KEM (Kyoto Electronics Manufacturing) |
|---|---|
| Origin | Japan |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Destructive Sampling Refractometer |
| Model | RA-620 / RA-600 |
| Measurement Principle | Sodium D-line (589.3 nm) Refractive Index at 20 °C |
| RI Range (RA-620) | 1.32000–1.58000 nD |
| RI Range (RA-600) | 1.3200–1.7000 nD |
| Brix Range | 0–100 % |
| RI Accuracy (RA-620) | ±0.00002 nD |
| RI Accuracy (RA-600) | ±0.0001 nD |
| Brix Accuracy (RA-620) | ±0.014 % |
| Brix Accuracy (RA-600) | ±0.1 % |
| RI Repeatability (RA-620) | ±0.00001 nD |
| RI Repeatability (RA-600) | ±0.0001 nD |
| Temperature Control Range | 5–75 °C (RA-600 optional up to 100 °C) |
| Temp. Resolution (RA-620) | 0.01 °C |
| Temp. Resolution (RA-600) | 0.1 °C |
| Minimum Sample Volume | 0.2 mL |
| Prism Material | Sapphire |
| Sample Stage Material | Stainless Steel SUS316 |
| Display | Full-color TFT touchscreen (Chinese/English/Japanese UI) |
| Data Storage | 100 methods, 300 results, 20 calibration logs |
| Interface | Ethernet (LAN), USB, RS-232C |
| Power | AC 100–240 V, 50/60 Hz, 20 W |
| Brand | KEM (Kyoto Electronics Manufacturing) |
|---|---|
| Origin | Japan |
| Manufacturer | Yes |
| Import Status | Imported |
| Model | DCU-551 |
| Product Type | Benchtop Refractometer Auxiliary Module |
| Temperature Control | Integrated (via host refractometer) |
| Digital Display | Yes (via host unit) |
| Refractive Index Range Compatibility | 1.32–1.58 nD (with RA-620) / 1.32–1.70 nD (with RA-600) |
| Measurement Resolution | 0.00001 nD (RA-620 mode) / 0.0001 nD (RA-600 mode) |
| Sample Capacity | 1 × 20 mL glass vial |
| Fluid Handling | Vacuum-assisted pressurized aspiration |
| Automated Sequence | Sample aspiration, waste discharge, dual-solvent rinse (e.g., water + ethanol), nitrogen purge drying |
| Power Supply | AC 100–120 V / 200–240 V, 50/60 Hz, ~40 W |
| Dimensions | 291 mm (W) × 310 mm (D) × 342 mm (H) |
| Weight | 10 kg |
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