Testimonial: Dough Bros Pizzas
28 January 2026
Withnell Sensors has been one of the UK’s leading providers of temperature, humidity, and climatic chamber solutions for almost 20 years. We are trusted by pharmaceutical, biotech, and advanced manufacturing organisations nationwide. Founded in 2006, the company has built its reputation on technical expertise, precision engineering, and a commitment to high‑quality environmental control solutions.
Pharmaceutical Climatic Chambers
From discovery to commercial launch, the pharmaceutical development pathway is long, complex, and highly regulated. Once a drug has been identified, formulated, and refined, manufacturers face the next critical step: evaluating its stability, safety, and long-term performance under controlled environmental conditions.
This is where pharmaceutical climatic chambers are essential.
These chambers simulate real‑world and accelerated environments, ensuring active pharmaceutical ingredients (APIs), excipients, and finished products can be evaluated for long‑term stability in line with ICH and GMP guidelines.
While standard chambers provide the basics, many manufacturers now rely on custom-built climatic chambers to meet precise project demands, streamline workflows, and support commercial objectives. A bespoke pharmaceutical stability chamber can ensure project specifications are met and compliant.
Why Climatic Chambers Are Essential in Pharmaceuticals
Pharmaceutical stability testing determines how a drug behaves over time in various environmental conditions. Using both long‑term and accelerated testing parameters, manufacturers can define:
- Shelf life
- Recommended storage conditions
- Packaging suitability
- Degradation pathways
- Temperature/humidity tolerances
Purpose-built climatic chambers create the controlled environments needed for these assessments, including:
- Temperature control
- Humidity control
- Photostability testing
- Stress, ageing, and cycle testing
A custom climatic chamber ensures precise simulation of global climate zones, including temperate, tropical, and subtropical environments, supporting worldwide product registration.
Key Requirements for Pharmaceutical Climatic Chambers
Pharmaceutical climatic chambers must meet strict performance, compliance, and durability standards. When specifying or designing a custom chamber, manufacturers typically consider:
1. Compliance and Construction
- Full GMP and ICH compliance
- Corrosion‑resistant stainless‑steel interior
- Hygienic, easy‑clean surfaces
- Reliable, low‑maintenance design
2. Customisable Performance Parameters
Custom chambers can be tailored to meet specific testing needs, including:
- Temperature range
- Humidity range
- Light intensity (photostability)
- Capacity and chamber volume
- Energy efficiency
- Programmability
- Budget
For manufacturers requiring extreme conditions or rapid cycling, a fully tailored solution can deliver far higher performance than off‑the‑shelf systems.
3. Essential Integrated Specifications
Critical features often included in pharmaceutical climatic chambers:
- Over/under‑temperature and humidity protection
- Alarm systems for faults, blowers, and compressors
- High‑accuracy control panel
- Calibratable internal sensors
- Comprehensive diagnostics
- Support 21 CFR Part 11 compliance
With temperature capabilities ranging from –75°C to +180°C, Withnell Sensors’ solutions cover everything from long
Additional Custom Chamber Features
Manufacturers often enhance their chamber with optional customisations such as:
- Glass viewing windows or doors
- Customised access to account for loading profiles
- LED interior illumination
- USB or external communication ports
- Custom shelving or racking
- Space‑optimised footprints
- Integrated safety redundancies
- Bespoke software integration
These additions maximise usability, compliance, and workflow efficiency.
- Automation, Programming, and Data Logging
- Automated, programmable environmental control, to ensure consistency, reproducibility, and regulatory readiness.
To meet compliance obligations, secure data logging is essential. Custom chambers can integrate:
- Real‑time monitoring
- Audit trails
- Remote PC control
- Historical data access
- Full documentation and audit trail for temperature and humidity parameters
Withnell Sensors can incorporate advanced, compliant data logging systems tailored to your testing and regulatory needs.
How Custom Climatic Chambers Support Your Commercial Goals
Beyond technical requirements, custom climatic chambers can significantly impact your business productivity, timelines, and sustainability objectives.
1. Process and Workflow Optimisation
A review of your current operations may reveal avoidable delays:
- Are you outsourcing stability testing?
- Are thaw/freeze cycles slowing down progress?
- Is limited chamber capacity creating bottlenecks?
A bespoke chamber can be designed around your testing volume, workflow, and operational environment, helping you:
- Increase throughput
- Reduce costs
- Improve turnaround times
- Eliminate inefficiencies
High‑performance systems, such as the Kambic ultra‑fast climatic chamber, with an impressive 10°C/min heating and cooling rate, can dramatically accelerate cycle‑based testing.
2. Supporting Sustainability and Energy Reduction
Laboratories consume five to ten times more energy than office buildings, and climatic chambers can be a significant contributor.
A custom‑built chamber can support your sustainability strategy by incorporating:
- High‑efficiency insulation
- Advanced control systems to minimise energy demand
- Eco‑friendly refrigerants (including low‑GWP options such as R290 where suitable)
- Energy‑smart cycling and standby modes
This allows you to achieve precision, reliability, and compliance, while reducing operating costs and environmental impact.
Our Commitment to Delivering the Right Pharmaceutical Chamber Solution
At Withnell Sensors, we combine engineering expertise, exclusive partnerships, and an extensive product portfolio to deliver the exact custom climatic chamber solution your pharmaceutical operations require.
We offer:
- Bespoke chamber design and manufacturing
- Full installation, validation, and commissioning
- Ongoing service, maintenance, and emergency recovery
- Long‑term partnerships and responsive aftersales care
Whether you need a compact stability chamber, an ultra‑low temperature system, a photostability unit, or a fully bespoke climatic solution, we can design and deliver the perfect model for your needs. Take a look at our range of Kambic Climatic Chambers.
Ready to Build Your Custom Pharmaceutical Climatic Chamber?
Speak to one of our experts today to explore your options and begin designing a chamber solution tailored to your operational, regulatory, and commercial goals.
