Esco VersaCool™ Laboratory Refrigerator
| Brand | Esco |
|---|---|
| Origin | Singapore |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | Not specified |
| Pricing | Available upon request |
Overview
The Esco VersaCool™ Laboratory Refrigerator is an engineered solution for stable, reliable, and compliant low-temperature storage of biological reagents, clinical specimens, pharmaceutical intermediates, and chemical standards in research, quality control, and diagnostic laboratories. Designed around a forced-air convection cooling architecture with microprocessor-based PID temperature control, the unit maintains precise thermal conditions within the standard operating range of +2 °C to +8 °C — aligned with WHO, USP , and ISO 15197 requirements for cold-chain integrity of temperature-sensitive materials. Its thermally insulated cabinet structure, combined with high-efficiency compressors and eco-friendly R600a refrigerant, ensures consistent internal uniformity (≤3 °C across all shelf levels) under ambient conditions up to 32 °C and 85% relative humidity — a critical performance benchmark for tropical and high-humidity laboratory environments.
Key Features
- High-clarity anti-condensation glass door system: Engineered with dual-pane low-emissivity (Low-E) glass and integrated perimeter heating elements to eliminate fogging and maintain full visibility at 32 °C / 85% RH — eliminating manual wiping and reducing contamination risk during routine access.
- Precision temperature management: Digital PID controller with ±0.5 °C setpoint accuracy and real-time monitoring via calibrated NTC sensor array; adjustable setpoint range from +2 °C to +8 °C in 0.1 °C increments.
- Comprehensive alarm architecture: Audible/visual alarms for high/low temperature deviation, door ajar, power failure, and sensor fault; battery-backed memory retains alarm history and enables 72-hour power-failure logging without external UPS.
- Intelligent auto-defrost cycle: Adaptive defrost algorithm triggered by evaporator coil temperature and runtime thresholds — minimizing frost accumulation while preserving stable chamber temperature and eliminating manual maintenance.
- Low-noise, energy-optimized operation: Acoustically damped compressor enclosure and optimized airflow design achieve ≤42 dB(A) at 1 m distance; ENERGY STAR®-compliant power consumption supports sustainability reporting and lab-wide energy reduction initiatives.
Sample Compatibility & Compliance
The VersaCool™ refrigerator accommodates standard laboratory containers including polypropylene tubes (1.5–50 mL), glass vials, multi-well plates, and sealed reagent bottles. Interior shelving is adjustable, load-rated stainless steel with non-slip wire mesh surfaces. The unit complies with IEC 61010-1 (Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use) and meets EMC directive 2014/30/EU. Optional validation packages support IQ/OQ documentation per GxP guidelines, and data logging outputs are compatible with 21 CFR Part 11-compliant systems when integrated with Esco’s optional Ethernet-enabled data logger module.
Software & Data Management
While the base model operates via an intuitive front-panel LCD interface with LED status indicators, optional connectivity modules enable remote monitoring via Ethernet or RS-485 interfaces. Logged temperature data (with timestamps and alarm events) can be exported in CSV format for integration into LIMS or electronic lab notebooks (ELN). Audit trail functionality — including user login, parameter changes, and alarm acknowledgments — is available with firmware version 2.3 or higher, supporting GLP and GMP audit readiness.
Applications
- Storage of enzymes, antibodies, cell culture media, and nucleic acid reagents requiring strict +2 °C to +8 °C stability.
- Short-term holding of clinical specimens prior to analysis in pathology and clinical chemistry labs.
- Buffer and standard solution storage in analytical laboratories performing HPLC, GC, or spectrophotometric assays.
- Pharmaceutical stability testing support (ICH Q5C) for intermediate time-point storage under controlled refrigerated conditions.
- Biobanking workflows where visual verification of sample identity and tube integrity is required without opening the chamber.
FAQ
What is the temperature uniformity specification across the chamber volume?
Temperature uniformity is validated at ≤3 °C (maximum deviation) across all defined test points per ISO 16770 Annex B protocols.
Does the unit support continuous temperature monitoring with data export capability?
Yes — optional Ethernet data logger module provides real-time streaming, configurable alarm thresholds, and timestamped CSV export compliant with ALCOA+ data integrity principles.
Is the refrigerator suitable for use in high-humidity environments such as Southeast Asia or coastal facilities?
Yes — the anti-condensation door system has been tested and certified for uninterrupted visibility at 32 °C and 85% RH per IEC 60068-2-30 damp heat testing standards.
Can the unit be validated for GxP-regulated environments?
Yes — Esco provides IQ/OQ protocol templates and on-site qualification support through authorized service partners; full 21 CFR Part 11 compliance requires optional software module and system configuration review.
What refrigerant is used, and does it meet global environmental regulations?
R600a (isobutane) is used — a natural hydrocarbon refrigerant with zero ODP and GWP of 3, fully compliant with EU F-Gas Regulation (EU) No 517/2014 and EPA SNAP program requirements.
