HUANKONG GHD-YB01 Low-Temperature Soil Sample Transport Container

Overview

The HUANKONG GHD-YB01 Low-Temperature Soil Sample Transport Container is an engineered field logistics solution designed specifically for the secure, temperature-controlled transit of environmental soil specimens. It operates on a closed-cycle refrigeration principle using a brushless DC inverter compressor—enabling rapid cooling initiation, precise thermal stability, and extended hold time without grid or continuous vehicle power. Unlike passive cold packs or insulated shippers, the GHD-YB01 maintains active, programmable temperature control across a range from ambient down to –18°C, meeting critical pre-analytical requirements for volatile organic compound (VOC) preservation, microbial activity suppression, and redox-sensitive analyte stabilization in regulatory soil monitoring workflows (e.g., EPA Method 5035A, ISO 11464:2021). Its ruggedized aluminum-alloy chassis and shock-dampened internal partitioning system ensure mechanical integrity during off-road transport, laboratory shuttle, or multi-leg courier delivery—conditions routinely encountered in national soil survey programs, contaminated site characterization, and long-term ecological research networks.

Key Features

• Programmable temperature setpoint (ambient to –18°C) with ±0.5°C stability over 24-hour continuous operation
• DC inverter compressor technology delivering >30% faster cooldown vs. conventional fixed-speed units and reduced energy consumption per degree-hour
• 24 individual, vertically oriented, foam-cradled compartments—each sized and contoured for 250 mL EPA-compliant wide-mouth polyethylene or glass soil sampling bottles (ASTM D5092-22)
• Integrated digital temperature data logger compliant with ISO/IEC 17025 traceability requirements; records timestamped temperature at user-defined intervals (1 min to 60 min)
• QR-code–based unique device and session identification—enabling full chain-of-custody linkage between physical container, log file, LIMS accession number, and analyst worklist
• Extended hold capability: maintains <–10°C internal temperature for ≥4.2 hours after complete DC power interruption (validated per IEC 60068-2-6 vibration + thermal soak protocol)

Sample Compatibility & Compliance

The GHD-YB01 accommodates standard 250 mL soil collection vessels conforming to U.S. EPA SW-846 Chapter 5 guidelines and EU EN ISO 10381-1 for field-sampling geometry and headspace ratio. Each compartment includes anti-rotation ribs and dual-density polymer cradles to eliminate lateral movement during transit—even under 5g peak acceleration (per MIL-STD-810H Section 514.7). The unit’s thermal performance has been verified across climatic extremes: operational functionality confirmed at ambient temperatures from –30°C to +55°C (IEC 60068-2-1/2/14), making it suitable for deployment in Arctic permafrost surveys, desert mining reclamation studies, and tropical agroecological monitoring. All materials in contact with sample containers are non-outgassing and REACH-compliant; no adhesives or coatings migrate into vial threads or caps.

Software & Data Management

Temperature logging data is stored internally on industrial-grade flash memory (100,000+ write cycles) and exportable via micro-USB as CSV or PDF summary reports—including min/max/mean, deviation histograms, and alarm event timestamps. The embedded firmware supports audit-trail mode per FDA 21 CFR Part 11 Annex 11 requirements: all configuration changes, calibration events, and data exports are digitally signed and time-stamped with immutable device ID. Optional cloud synchronization (via optional LTE module) enables real-time GPS-tagged status alerts and automated LIMS integration through HL7 or RESTful API endpoints—supporting GLP-aligned sample integrity documentation for third-party accreditation bodies (e.g., UKAS, DAkkS, CNAS).

Applications

• Regulatory soil sampling campaigns requiring VOC preservation (e.g., petroleum hydrocarbons, chlorinated solvents) per ASTM D6205 or ISO 16703
• Long-duration field deployments where refrigerated vehicle access is intermittent or unavailable
• Multi-site inter-laboratory comparison studies demanding identical thermal history across distributed samples
• Soil biogeochemistry research involving anaerobic incubations, enzyme assays, or DNA/RNA extraction where freeze-thaw cycling must be avoided
• QA/QC verification transport between certified reference laboratories and field collection teams

FAQ

Is the GHD-YB01 validated for use with EPA-compliant soil sampling protocols?
Yes—the unit’s thermal uniformity, hold time, and mechanical stability have been assessed against EPA guidance documents SW-846 Methods 5035A and 8260D for volatile preservation and chain-of-custody integrity.
Can the temperature logger data be imported directly into LIMS platforms?
Yes—CSV exports are structured to match common LIMS ingestion schemas; optional API integration supports automated upload and metadata association.
What is the maximum allowable ambient temperature during operation?
The unit maintains setpoint performance up to +55°C ambient, verified under sustained thermal soak per IEC 60068-2-2.
Does the system support remote monitoring during transit?
With the optional LTE add-on module, real-time temperature, GPS location, door-open events, and battery voltage are transmitted to a secure web dashboard.
Are calibration certificates provided with each unit?
Each GHD-YB01 ships with a factory-issued NIST-traceable temperature calibration report covering three points (0°C, –10°C, –18°C) and uncertainty budget per ISO/IEC 17025 Clause 6.5.