Beifen Sanpu CYX-21 21-Position Portable Sampling Carrying Case for Environmental Air Monitoring

Overview

The Beifen Sanpu CYX-21 21-Position Portable Sampling Carrying Case is a purpose-engineered field logistics solution designed to ensure secure, organized, and contamination-free transport and storage of air sampling media during environmental monitoring campaigns. Unlike active analytical instruments, this device serves as a passive, standardized platform for the physical handling of regulatory-compliant sampling components—including glass absorption tubes, solid-phase adsorption tubes (e.g., Tenax-TA, Carbopack, silica gel), and liquid-phase collection vessels such as large-bubble, small-bubble, and U-shaped porous plate absorption bottles. Its rigid ABS polymer housing and dual-layer high-density sponge liner provide mechanical shock absorption and positional stability, minimizing tube breakage, sorbent displacement, or seal compromise during transit—critical factors affecting sample integrity under ISO 16000-6, EPA TO-17, and HJ 644–2013 protocols.

Key Features

• Modular 21-position cavity layout optimized for uniform spacing and vertical alignment of standard 10–15 cm absorption/adsorption tubes (e.g., 6 mm OD × 120 mm L glass tubes, stainless steel thermal desorption tubes)
• Dimensionally precise internal sponge insert (350 × 250 × 450 mm) with CNC-cut recesses accommodating variable-height vessels: from 5 mL small-bubble bubblers to 50 mL large-capacity impingers and stack sampling bottles
• Stackable, lightweight design (net weight < 3.2 kg) compliant with IATA and national occupational health transport regulations for hazardous material sampling kits
• Integrated ergonomic handle and non-slip rubberized base for field deployment on uneven terrain or vehicle-mounted operation
• Chemically inert interior surface resistant to common solvents (e.g., CS₂, CS₂/CS₂–methanol mixtures, carbon disulfide extracts) used in VOC pre-concentration workflows

Sample Compatibility & Compliance

The CYX-21 supports full compatibility with Chinese Ministry of Ecology and Environment (MEE) standard methods—including HJ 583–2010 (activated carbon tube sampling for benzene homologues), HJ 644–2013 (TVOC analysis by thermal desorption–GC/MS), and HJ 977–2018 (formaldehyde determination using phenol reagent absorption). It accommodates both single-bed and multi-bed adsorbent tubes (e.g., Carbopack B/X, Tenax GR/T, graphitized carbon black), as well as aqueous absorption media (e.g., potassium hydroxide for SO₂, sodium hydroxide for NOₓ, acidic potassium permanganate for ozone). All cavity dimensions conform to GB/T 16157–1996 dimensional tolerances for fixed-position field sampling accessories. The case itself carries no CE, UKCA, or FDA certification, as it functions solely as a Class I non-electrical sampling accessory per ISO 17025:2017 clause 5.5.2 (equipment qualification for support devices).

Software & Data Management

As a passive mechanical sampling carrier, the CYX-21 does not incorporate embedded electronics, firmware, or connectivity interfaces. Its role in digital data integrity lies in traceability support: each unit may be assigned a unique asset ID and logged into laboratory information management systems (LIMS) such as LabWare LIMS or Thermo Fisher SampleManager. Field technicians record tube lot numbers, sampling start/end times, flow rates, and ambient conditions directly onto barcoded tube labels prior to placement—ensuring chain-of-custody continuity from collection through thermal desorption and GC/MS analysis. The consistent positioning geometry also enables automated image-based QC verification (e.g., via custom Python OpenCV scripts) to confirm full insertion and orientation of all 21 tubes before departure.

Applications

• Indoor air quality (IAQ) surveys per ISO 16000-22 and GB/T 18883–2022, supporting simultaneous deployment of TVOC, formaldehyde, and benzene-series sampling trains
• Industrial hygiene monitoring in petrochemical, pharmaceutical, and coating manufacturing facilities, where co-location of multiple analyte-specific tubes (e.g., silica gel for aldehydes + activated carbon for aromatics) is required
• Mobile source emissions characterization, including roadside and tunnel monitoring using paired impinger–adsorbent configurations
• Regulatory compliance audits under China’s “Blue Sky Defense Campaign” (Guo Ban Fa [2018] No. 22), where documented sampling logistics are subject to GLP-aligned review
• Academic atmospheric chemistry field studies requiring reproducible tube handling across distributed sampling nodes

FAQ

Is the CYX-21 compatible with thermal desorption autosamplers?
Yes—its standardized tube height and outer diameter alignment ensures seamless integration with common TD autosamplers (e.g., PerkinElmer TurboMatrix, Markes UNITY-xr) without adapter modification.
Can it accommodate 6-mm OD stainless steel sorbent tubes?
Yes—the sponge cavities are dimensioned for 5.8–6.2 mm OD tubes up to 125 mm length, including ASTM D6196-compliant configurations.
Does the case meet IP rating requirements for outdoor use?
It carries no formal IP rating; however, its sealed lid gasket and interlocking latch system provide effective dust and splash resistance under typical field conditions (IEC 60529 Level IP54 equivalent in practice).
Are replacement sponge inserts available?
Yes—custom-cut replacement liners (PN: CYX-21-LINER-SET) are supplied separately and can be sterilized via ethanol wipe or UV-C exposure between sampling cycles.
What documentation accompanies the unit for audit purposes?
Each shipment includes a Certificate of Conformance (CoC) verifying dimensional accuracy, material composition (ABS + polyurethane foam), and batch-specific production date—sufficient for ISO/IEC 17025 internal audit evidence.