MB45 Advanced Halogen Moisture Analyzer
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | MB45 |
| Price | USD 3,980 (FOB) |
| Capacity | 45 g |
| Readability | 0.001 g / 0.01% MC |
| Repeatability | ±0.05% (3 g sample), ±0.015% (10 g sample) |
| Moisture Range | 0.01–100% (Regain Mode: 0.01–1000%) |
| Timer | 1–120 min (10-sec increments) |
| Temperature Range | 50–200 °C (1 °C increments) |
| Heating Programs | Standard, Rapid, Gentle, Stepwise |
| End Point Modes | Manual, Timed, Auto (3 programmable criteria) |
| Operating Ambient | 10–40 °C |
| Display | Backlit LCD, 128×64 dot matrix |
| Data Output | RS232 interface |
| GLP Compliance | Date/time stamp, shutdown mode, heating profile logging, operator ID support |
| Pan Diameter | 9 cm |
| Dimensions (W×H×D) | 19×15.2×36 cm |
| Weight | 3.2 kg |
Overview
The MB45 Advanced Halogen Moisture Analyzer is an engineered solution for rapid, gravimetric moisture determination in solid and semi-solid samples across pharmaceutical, food, chemical, polymer, and quality control laboratories. It operates on the principle of thermogravimetric analysis (TGA): a precisely controlled halogen lamp heats the sample while an integrated high-resolution analytical balance continuously monitors mass loss in real time. The instrument calculates moisture content (%) as the percentage of initial mass lost upon drying under defined thermal conditions—fully compliant with ASTM D4442, ISO 712, AOAC 952.08, and USP <921>. Unlike conventional oven-drying methods requiring hours, the MB45 delivers validated results in minutes without compromising reproducibility or traceability.
Key Features
- Halogen heating system: Provides uniform radiant heat distribution and rapid thermal response (0–200 °C in <60 seconds), minimizing thermal degradation of heat-sensitive materials such as APIs, dairy powders, or botanical extracts.
- Dual-resolution weighing module: Simultaneously resolves mass to 0.001 g and moisture content to 0.01%, enabling precise quantification even at low-moisture levels (e.g., dried excipients or catalyst supports).
- Programmable drying protocols: Four preconfigured heating profiles—Standard, Rapid, Gentle, and Stepwise—allow optimization for diverse matrices including hygroscopic salts, viscous pastes, and fibrous biomass.
- GLP-compliant data architecture: Built-in audit trail records date/time stamps, user ID (configurable), drying temperature, ramp rate, endpoint logic, and final mass—all exportable via RS232 to LIMS or Excel-compatible formats.
- Intuitive human interface: Backlit 128×64 dot-matrix LCD displays dynamic drying curves, real-time % moisture/% solids, elapsed time, current temperature, and sample ID—without requiring external software.
- Robust mechanical design: Compact footprint (19×15.2×36 cm), aluminum alloy housing, and 9 cm diameter stainless-steel pan ensure stability during vibration-prone industrial environments and long-term calibration integrity.
Sample Compatibility & Compliance
The MB45 accommodates samples ranging from 0.1 g to 45 g—including granules, tablets, powders, slurries, films, and ground tissue—with no requirement for sample preparation beyond homogenization. Its wide moisture detection range (0.01–100% standard; 0.01–1000% in regain mode) supports both low-moisture ceramics and high-water-content fruits or gels. All operational parameters—including temperature setpoint, timer duration, and endpoint logic—are fully configurable to meet method-specific validation requirements per ICH Q2(R2), FDA 21 CFR Part 11 (when paired with compliant data capture software), and internal SOPs. Calibration verification is supported via built-in weight check function and optional external weights traceable to NIST standards.
Software & Data Management
While the MB45 operates autonomously via its onboard firmware, it integrates seamlessly into regulated workflows through its RS232 serial port. Raw measurement logs—including timestamped mass readings at 1-second intervals—can be streamed directly to laboratory PCs running third-party data acquisition tools or custom Python/Excel macros. The instrument stores up to 99 user-defined methods with full parameter retention (temperature ramp, hold time, endpoint criterion). GLP reports include operator ID, method name, sample ID, ambient conditions, and digital signature fields—enabling full traceability during regulatory inspections or internal audits. Optional PC software (sold separately) adds statistical process control (SPC) charts, batch trending, and PDF report generation with embedded digital signatures.
Applications
- Pharmaceutical QC: Residual solvent verification in lyophilized products, moisture mapping of tablet blends prior to compression, and stability-indicating assays per ICH guidelines.
- Food & Agriculture: Water activity correlation studies in flour, coffee beans, and pet food; compliance testing against FDA moisture limits for shelf-life labeling.
- Materials Science: Quantifying bound vs. free water in clays, zeolites, and MOFs; monitoring dehydration kinetics during catalyst activation.
- Plastics & Polymers: Pre-drying verification of hygroscopic resins (e.g., PA6, PET) before extrusion or injection molding to prevent hydrolysis defects.
- Academic Research: Teaching thermogravimetric fundamentals in analytical chemistry labs; supporting method development for novel drying kinetics models.
FAQ
What standards does the MB45 comply with for moisture analysis?
The MB45 adheres to core international standards including ASTM D4442 (wood), ISO 712 (cereals), AOAC 952.08 (food), and USP <921> (pharmaceuticals). Its gravimetric methodology is recognized as a reference technique under ISO/IEC 17025-accredited testing laboratories.
Can the MB45 be calibrated and verified in-house?
Yes—routine calibration verification uses certified test weights (recommended: 10 g and 20 g Class M1 or better). Internal diagnostics monitor balance linearity, temperature sensor drift, and heater output stability. Full recalibration requires factory service or authorized service centers.
Is the RS232 interface compatible with modern Windows/macOS systems?
Yes, using a USB-to-RS232 adapter (standard FTDI chipset). Communication protocol is ASCII-based with documented command syntax; no proprietary drivers are required for basic data streaming or remote start/stop control.
How does the MB45 handle samples that splatter or foam during drying?
The Gentle and Stepwise heating programs minimize thermal shock. Optional glass fiber filters or perforated aluminum sample pans (accessory kit) suppress spattering while maintaining airflow and thermal uniformity—validated for applications like dairy powder or yeast suspensions.
Does the instrument support multi-language display or user permissions?
The firmware supports English and Spanish UI languages. User access levels (Operator, Supervisor, Administrator) are enforced via password protection for method editing, calibration access, and GLP log deletion—meeting ALCOA+ data integrity principles.
