WIGGENS WH-25 Temperature and Humidity Controlled Incubator

Overview

The WIGGENS WH-25 is a precision-engineered temperature and humidity controlled incubator designed for demanding applications in life science research, pharmaceutical quality control, clinical diagnostics, and biotechnology laboratories. It operates on a robust convection-based thermal management system with forced-air circulation, ensuring uniform temperature distribution across the entire 150 L chamber volume. The unit employs high-resolution PID (Proportional-Integral-Derivative) digital temperature control, delivering exceptional thermal stability of ±0.1°C at 37°C—a critical performance benchmark for cell culture, microbial growth, and enzyme activity studies. Its design complies with core principles of ISO 13485-aligned environmental control systems and supports GLP-compliant workflows through traceable temperature monitoring and alarm logging capabilities.

Key Features

• High-efficiency insulation using environmentally friendly polyurethane foam (CFC-free), minimizing surface temperature rise and eliminating burn hazards during operation
• Dual-sealed tempered glass inner door (5 mm thick) with reinforced outer frame—provides superior thermal isolation, mechanical safety, and unobstructed visual monitoring
• Stainless steel interior chamber and adjustable stainless steel shelving—resistant to corrosion, easy to decontaminate, and optimized for airflow uniformity
• Dedicated overtemperature protection circuit independent of the main controller—automatically cuts power and triggers audible/visual alarms if chamber temperature exceeds user-defined or factory-set safety thresholds
• Bias correction function enables rapid compensation for minor thermal drift without recalibration—ideal for long-term experiments requiring consistent setpoint fidelity
• Intelligent door-sensing logic: halts heating and fan operation immediately upon door opening; initiates an audible alert after 60 seconds if door remains open—reducing thermal loss and protecting sample integrity

Sample Compatibility & Compliance

The WH-25 accommodates a broad range of biological and chemical samples—including Petri dishes, flasks, multi-well plates, and serum bottles—within its spacious 150 L chamber. Its stainless steel construction meets ISO 8573-1 air purity class requirements for non-sterile incubation environments and is compatible with common laboratory disinfectants (e.g., 70% ethanol, hydrogen peroxide vapor). While not certified as a Class II biosafety cabinet, it supports ISO 14644-1 Class 8 cleanroom-compatible workflows when used in conjunction with laminar flow hoods. The device conforms to IEC 61010-1:2010 safety standards for laboratory equipment and includes CE marking per EU Directive 2014/30/EU (EMC) and 2014/35/EU (LVD).

Software & Data Management

An optional RS232 communication interface enables integration with third-party data acquisition systems or custom LabVIEW-based monitoring platforms. When paired with WIGGENS-supplied software (v3.2+), users gain access to time-stamped temperature logging, configurable alarm history export (CSV format), and real-time remote setpoint adjustment. All recorded data include audit trail metadata (operator ID, timestamp, event type), supporting compliance with FDA 21 CFR Part 11 requirements for electronic records and signatures in regulated environments. No internal memory is required—the system streams data directly to host PC storage, ensuring continuous traceability without risk of onboard data corruption.

Applications

The WH-25 serves as a primary incubation platform for mammalian and insect cell line maintenance (e.g., HEK293, CHO-K1), bacterial and fungal cultivation (E. coli, S. cerevisiae), BOD testing in environmental microbiology, stability studies per ICH Q1 guidelines, and reagent conditioning in molecular diagnostics labs. Its stable thermal profile and low vibration design make it suitable for extended-duration assays such as colony-forming unit (CFU) enumeration, antibiotic susceptibility testing (AST), and hybridization protocols requiring precise thermal ramping. In academic settings, it supports undergraduate and graduate coursework in microbiology, immunology, and developmental biology where reproducible environmental control is essential.

FAQ

What is the maximum relative humidity range supported by the WH-25?
The WH-25 is specified for temperature control only; humidity regulation requires an external humidifier module (sold separately). When integrated with compatible accessories, RH control from 30–95% can be achieved.
Does the WH-25 support validation documentation (IQ/OQ/PQ)?
Yes—WIGGENS provides standardized qualification templates and calibration certificates traceable to DAkkS-accredited reference standards. Full validation support packages are available upon request.
Can the incubator be operated in continuous mode without timer interruption?
Yes—the built-in timer (1 min to 99 h 59 min) is optional; the unit defaults to uninterrupted operation unless explicitly enabled.
Is the stainless steel interior electropolished?
No—the interior uses brushed AISI 304 stainless steel, which provides optimal cleanability and resistance to routine lab-grade sterilants without requiring electropolishing.
What is the mean time between failures (MTBF) under normal laboratory use?
Based on field data from European academic and industrial installations, MTBF exceeds 25,000 operating hours with scheduled preventive maintenance every 12 months.