Techcomp YLS-B Series Halogen Moisture Analyzer
| Brand | Techcomp |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | YLS-B Series |
| Price Range | USD 700 – 1,400 (FOB) |
| Heating Method | Halogen Lamp |
| Max Capacity | 60 g (YLS-B Plus) / 20 g (YLS-B Standard) |
| Readability | 1 mg (60 g model) / 2 mg (20 g model) |
| Moisture Resolution | 0.02–0.1% |
| Temperature Range | 50–160 °C (1 °C increments) |
| Heating Time | 0–99 min (1 min steps) |
| Display | Backlit dot-matrix LCD with dual blue/white background |
| Data Storage | 50 sample profiles |
| Interface | RS232C |
| Calibration | External weight calibration (20 g for YLS-B |
| Compliance | Supports IQ/OQ/PQ validation |
| Power Supply | 220 VAC (±15%/+10%), 50 Hz |
| Power Consumption | 300 W |
| Operating Environment | 5–40 °C, 25–85% RH (non-condensing) |
| Recommended Ambient | 15–30 °C, 50–75% RH (non-condensing) |
| Dimensions (W×D×H) | 458 × 278 × 246 mm |
| Net Weight | 5.5 kg |
Overview
The Techcomp YLS-B Series Halogen Moisture Analyzer is a precision laboratory instrument engineered for rapid, gravimetric moisture determination based on the loss-on-drying (LOD) principle. It integrates high-resolution analytical weighing technology with controlled halogen lamp heating—providing uniform, responsive thermal energy delivery across the sample surface. Unlike conventional infrared or convection ovens, halogen heating enables faster thermal response, reduced thermal inertia, and improved repeatability in moisture quantification. Designed for routine QC/QA workflows in regulated environments, the YLS-B Series delivers traceable, operator-independent results compliant with standard test methods including ASTM D4457 (for polymer coatings), ISO 15512 (plastics), USP <921> (pharmaceutical water content), and AOAC Official Methods (food and feed). Its compact footprint and intuitive interface make it suitable for benchtop deployment in pharmaceutical R&D labs, food safety testing centers, chemical quality control departments, and grain inspection facilities.
Key Features
- Integrated high-precision analytical balance with 1 mg (60 g model) or 2 mg (20 g model) readability, ensuring accurate mass tracking before, during, and after drying.
- Halogen lamp heating system delivering rapid thermal ramp-up (typical stabilization within 30 s) and spatially uniform irradiance—minimizing localized overheating and sample degradation.
- Programmable temperature control from 50 °C to 160 °C in 1 °C increments, supporting method development for thermally sensitive matrices (e.g., APIs, dairy powders, botanicals).
- Backlit dot-matrix LCD display with switchable blue/white background for optimal contrast under varying ambient lighting conditions; real-time visualization of all process parameters.
- Onboard configuration suite: time-based or automatic endpoint termination, manual/timer/auto-shutdown modes, clock and temperature calibration routines, and audible end-of-test alert.
- Internal database stores up to 50 user-defined sample protocols—including target temperature, duration, calculation type (moisture %, dry residue %, gain/loss ratio), and unit preferences.
- RS232C serial interface enables direct connection to label printers or LIMS systems for audit-ready data export—including pre-dry mass, post-dry mass, moisture %, drying rate, and method metadata.
Sample Compatibility & Compliance
The YLS-B Series accommodates solid, semi-solid, and powdered samples with minimal preparation—ideal for tablets, granules, flour, polymers, catalysts, fertilizers, and lyophilized biologics. Sample pans are stainless steel and compatible with standard desiccation practices. Instrument design supports full 3Q validation: Installation Qualification (IQ), Operational Qualification (OQ), and Performance Qualification (PQ) documentation packages are available upon request. The system adheres to GLP and GMP-aligned operational principles, including password-protected parameter editing, non-volatile memory retention, and traceable calibration using NIST-traceable external weights (20 g for YLS-B; 50 g for YLS-B Plus). While not inherently 21 CFR Part 11 compliant, its audit trail capabilities—when paired with validated third-party data acquisition software—support regulatory submissions requiring electronic record integrity.
Software & Data Management
No proprietary PC software is bundled; however, the RS232C interface supports ASCII-based communication protocols compatible with common lab data management platforms (e.g., LabWare LIMS, Thermo Fisher SampleManager, custom Python/Node.js scripts). All displayed parameters—including initial mass (g), final mass (g), moisture content (%), drying rate (g/min), and elapsed time—are transmitted sequentially per test cycle. Internal memory retains last-run data even during power interruption. For high-throughput environments, batch reporting templates can be generated externally using exported CSV or tab-delimited logs. Firmware updates are performed via USB-to-serial adapter (optional accessory), with version history and checksum verification embedded in update packages.
Applications
- Pharmaceutical manufacturing: Moisture content verification of active pharmaceutical ingredients (APIs), excipients, and finished dosage forms per USP <921> and EP 2.5.12.
- Food & beverage QA: Rapid assessment of moisture in cereals, spices, coffee beans, pet food, and dehydrated vegetables—supporting shelf-life modeling and HACCP critical control point monitoring.
- Chemical industry: Quantification of residual solvent or hydration water in catalysts, pigments, and specialty polymers where over-drying may induce decomposition.
- Agricultural testing: Field-deployable moisture analysis of grain, seeds, and forage—enabling real-time decisions during harvest and storage.
- Academic research: Teaching tool for LOD fundamentals, thermal stability studies, and comparative method validation against Karl Fischer titration.
FAQ
What standards does the YLS-B Series comply with?
It supports method execution aligned with ASTM D4457, ISO 15512, AOAC 955.04, and USP <921>>; full compliance requires user-defined SOPs and documented 3Q validation.
Can the instrument be calibrated internally?
No—calibration requires external NIST-traceable weights (20 g for YLS-B; 50 g for YLS-B Plus); internal adjustment is limited to zero-point and temperature offset compensation.
Is the halogen lamp replaceable by the user?
Yes—the lamp module is field-replaceable using standard Torx tools; replacement parts and torque specifications are provided in the service manual.
Does the YLS-B Series support GLP audit trails?
Raw data export via RS232 enables integration with validated LIMS or ELN systems that enforce electronic signature, change control, and retention policies.
What is the typical drying time for a 1 g pharmaceutical powder sample?
At 105 °C with auto-termination enabled, typical drying duration ranges from 3–8 minutes depending on initial moisture content (5–15%) and particle morphology.
