Protein Rapid Determinator
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| Brand | JiDa-Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Manufacturer |
| Region Category | Domestic (China) |
| Model | GDYN-200S |
| Product Type | True Protein Analyzer |
| Measurement Principle | Colorimetric Protein Assay (Biuret-based) |
| Measurement Range | 0.5–4.0% (liquid milk) |
| Detection Limit | 0.5% (liquid milk) |
| Precision | ±3% RSD |
| Light Source | Silicon Photodiode |
| Operating Temperature | 15–35 °C |
| Power Supply | 220 V AC, 50 Hz |
| Interface | RS-232 / USB |
| Data Output | Integrated thermal printer + digital export |
| Brand | LUM GmbH |
|---|---|
| Origin | Germany |
| Model | LUMiFlector |
| Application Principle | Near-Infrared and UV-Visible Multi-Reflection Spectroscopy (MRS®) |
| Measurement Time | <20 s (lab), <8 s (inline) |
| Sample Handling | Non-contact, no sample preparation, no reagents |
| Output Parameters | Up to 4 simultaneous quantitative attributes (e.g., fat, protein, dry matter, total solids) |
| Calibration | Product-specific multivariate calibration models |
| Interface | 4× 4–20 mA analog I/O, 4× 24 V digital outputs, VARINLINE® process housing (inline version) |
| Compliance Context | Designed for GLP/GMP-aligned QA/QC environments |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | SER158 |
| Application Category | Fully Automated Protein and Fat Determination Instrument |
| Extraction Principle | Randall Continuous Extraction Technology |
| Compliance Standards | AOAC 920.39, ISO 1443, ISO 6496, EPA 3541, APHA 5520E, UNI EN ISO 1443 |
| Safety Certification | CE, IEC 61010-1 |
| Brand | Yuntang |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | YT-DB |
| Wavelength Range | 950–1650 nm |
| Sample Form | Solid granules, powders, or forage |
| Measurement Time | 1–3 min per sample |
| Sample Chamber Capacity | 600 mL |
| Dimensions (L×W×H) | 30 × 27 × 23 cm (including sample chamber) |
| Weight | 6 kg |
| Display | 10-inch color touchscreen |
| Power Supply | 12 V / 4 A |
| Battery Operation | Optional external battery (5 h runtime) |
| Operating Temperature | 5–45 °C |
| Compliance | Designed for routine QC in food, feed, and grain supply chains per ISO 12099, AOAC 984.27, and USP <1119> NIRS guidelines |
| Brand | Yuntang |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | YT-MP12 |
| Pricing Range | USD 430–1,050 (FOB) |
| Instrument Type | Protein Rapid Determinator |
| Measurement Principle | Colorimetric Bradford/Lowry-Style Assay (Kjeldahl-Validated Correlation) |
| Sample Matrix | Liquid milk, reconstituted milk powder, whey liquid, whey protein concentrate (WPC), whey protein isolate (WPI) |
| Repeatability | < ±1% RSD (n=10, 3.0–4.5% w/v protein) |
| Limit of Detection | 0.1 mg protein per assay |
| Recovery Rate | >99.5% (spike recovery in certified reference milk matrices, ISO 8968-1:2014 compliant validation) |
| Brand | Yuntang |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | YT-Z12T |
| Detection Principle | Colorimetric Protein Assay (Biuret/Lowry-type adapted for dairy matrices) |
| Sample Types | Liquid milk, powdered milk, reconstituted infant formula, and other liquid/soluble dairy products |
| Repeatability | ±1% RSD |
| Limit of Detection | 0.1 mg protein per test |
| Recovery Rate | >99.5% |
| Optical System | Quadruple-wavelength cold LED光源 (410, 520, 590, 630 nm), with patented optical path switching enabling up to 64 effective wavelengths |
| Detection Channels | ≥12 independent cuvette-based channels with precision rotary photometric cell design |
| Data Storage Capacity | >200,000 records, supporting USB export in Excel-compatible CSV format |
| Operating System | Android-based UI on ARM Cortex-A7 (RK3288, quad-core, 1.88 GHz) |
| Display | 10.1-inch vertical capacitive touchscreen |
| Connectivity | Dual-band Wi-Fi, 4G (APN), Bluetooth 5.0, dual USB 2.0, RJ45 Ethernet |
| Power Supply | AC/DC dual mode |
| Remote Firmware Update | OTA-enabled, client-specific, zero-downtime automatic update on boot |
| Brand | Yuntang |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Model | YT-Z12T |
| Product Category | Protein Determinator |
| Detection Principle | Colorimetric Assay (Biuret/Lowry- or Bradford-type) |
| Sample Matrix | Liquid Milk, Infant Formula, Powdered Dairy Products, and Other Food Matrices |
| Repeatability | < ±1% RSD |
| Limit of Detection | 0.1 mg protein per assay |
| Recovery Rate | > 99.5% |
| Detection Channels | ≥12 independent optical channels with precision rotating cuvette design |
| Light Source | Imported quad-wavelength cold LED source (410 nm, 520 nm, 590 nm, 630 nm) |
| 64-wavelength capability via patented optical path switching (Patent No. | ZL202022821055.2) |
| Display | 10.1-inch vertical capacitive touchscreen running Android OS (ARM Cortex-A7, RK3288 quad-core @ 1.88 GHz) |
| Data Storage | ≥200,000 test records |
| Connectivity | Dual USB ports, RJ45 Ethernet, Bluetooth 4.2, 4G APN module, Wi-Fi 802.11 b/g/n |
| Power Supply | AC/DC dual-mode (12 V DC input) |
| Software Compliance | Supports GLP-compliant data logging |