English Product Name

Overview

The Erlab Shelf 812A is a desktop-scale, self-contained chemical storage cabinet engineered for safe, localized containment of volatile reagents and solvents in laboratory environments where permanent ducted ventilation is unavailable or impractical. Unlike traditional ventilated cabinets that exhaust to the outside via fixed ductwork, the Shelf 812A employs active air recirculation with high-efficiency molecular filtration—enabling immediate, point-of-use protection without infrastructure modification. Its operational principle relies on continuous low-velocity airflow generated by a brushless axial fan, drawing vapors upward from open or loosely capped containers into a vertically oriented filter pack containing activated carbon and specialized impregnated media. This design conforms strictly to AFNOR NFX 15-211, the French national standard governing performance testing of molecular filters for organic vapor capture in recirculating fume cabinets. The unit is intended for intermittent or semi-continuous storage of low-to-moderate volatility chemicals (e.g., acetone, ethanol, hexane, chloroform), not for high-vapor-pressure substances requiring Class I ducted hoods or for pyrophoric, highly toxic, or radioisotopic materials.

Key Features

• Compact footprint (650 mm wide × 551 mm deep × 760 mm tall) optimized for benchtop integration in QC labs, research stations, and teaching laboratories.
• Full-height tempered glass door with integrated magnetic seal ensures visual inventory control while maintaining consistent airflow integrity during operation.
• Modular mounting flexibility: supports three installation configurations—freestanding on lab benches, wall-mounted using certified brackets, or elevated on an optional rigid support frame for ergonomic access.
• Fan system operates at ≤45 dB(A) under normal load, minimizing acoustic interference in shared workspaces without compromising airflow uniformity across the storage zone.
• Filter assembly is field-replaceable with tool-free access; each cartridge is individually labeled with batch-specific adsorption capacity data and expiration date per AFNOR validation protocols.
• No external ducting, electrical conduit, or structural penetration required—complies with ISO 14644-1 cleanroom compatibility guidelines for non-invasive equipment deployment.

Sample Compatibility & Compliance

The Shelf 812A is validated for storage of common laboratory solvents and reagents with saturated vapor pressures below 20 kPa at 20 °C. It is not rated for hydrogen sulfide, ammonia, formaldehyde, or strong oxidizers such as nitric acid or perchloric acid—substances requiring chemically specific filtration media beyond standard carbon-based cartridges. All structural components meet UL 94 V-0 flame-retardancy requirements. The cabinet’s design aligns with OSHA 29 CFR 1910.1200 (Hazard Communication Standard) labeling provisions and supports GLP-compliant recordkeeping when used in conjunction with Erlab’s optional filter life monitoring log templates. While not certified to EN 14175 or ANSI Z9.5, its filtration performance documentation satisfies internal risk assessment requirements under ISO/IEC 17025:2017 Clause 7.1.3 for equipment suitability verification.

Software & Data Management

The Shelf 812A is a standalone mechanical-electrical system with no embedded microprocessor, firmware, or digital interface. Filter service intervals are determined empirically based on cumulative runtime, ambient temperature/humidity, and typical chemical loading profiles—not algorithm-driven sensors. Erlab provides downloadable Excel-based filter usage trackers aligned with AFNOR NFX 15-211 Annex B calculation methods, supporting audit-ready documentation for ISO 9001 and ISO/IEC 17025 accredited laboratories. No network connectivity, cloud synchronization, or electronic audit trail is implemented—consistent with GMP Annex 11 principles for low-risk, non-critical ancillary equipment.

Applications

• Short-term staging of analytical standards and calibration solutions prior to HPLC or GC injection.
• Secure holding of opened solvent bottles during multi-step synthesis workflows in synthetic chemistry labs.
• Temporary segregation of incompatible reagents (e.g., acids vs. bases) within shared fume hood bays to reduce cross-contamination risk.
• Compliance-supportive storage in regulated pharmaceutical QC labs where USP <1058> Analytical Instrument Qualification mandates documented environmental controls for reference material handling.
• Educational use in undergraduate chemistry labs where budget-constrained facilities require scalable, modular safety infrastructure.

FAQ

Does the Shelf 812A require external ducting or exhaust piping?

No. It operates as a closed-loop recirculating system with integrated molecular filtration and requires only a standard 100–240 V AC power outlet.

Can it be used for storing flammable liquids classified under NFPA 30?

It is not listed as a Class I, Division 1 flammable storage cabinet per NFPA 30. Its use for flammables must be justified through site-specific risk assessment and limited to quantities compliant with local fire code allowances for “open-container” storage.

How often must the molecular filter be replaced?

Replacement frequency depends on usage intensity and chemical profile; Erlab recommends quarterly replacement under typical academic lab conditions, or after 500 hours of cumulative fan runtime—whichever occurs first.

Is the glass door resistant to common laboratory solvents?

Yes. The tempered soda-lime glass meets ASTM C1036 specifications and shows no etching or haze formation after repeated exposure to 70% ethanol, acetone, and 1 M HCl vapors.

Does the unit comply with FDA 21 CFR Part 11 for electronic records?

Not applicable—the Shelf 812A contains no electronic data generation, storage, or transmission capabilities. Its qualification falls under equipment suitability rather than computerized system validation.