
INDUSTRIES
Cleanrooms
Cleanrooms play a vital role in maintaining precision and compliance in various industries, especially in pharmaceuticals and biotechnology.
Your Cleanroom Compliance Partner
At Rees, we recognize that cleanrooms play a pivotal role in a wide range of industries, including pharmaceuticals, biotechnology, and beyond. These controlled environments are essential for maintaining the highest standards of cleanliness, precision, and regulatory compliance.
Our monitoring solutions offer real-time oversight of critical environmental parameters. We do temperature monitoring, humidity monitoring, differential pressure monitoring, and particle counts monitoring. These critical parameters are monitored with precision using our high accuracy sensors. With our sophisticated technology, you can trust that your cleanroom operations remain in optimal condition, assuring the purity and safety of your products.
Real-Time Compliance and Alerts
Our systems provide continuous, real-time monitoring, sending immediate alerts and notifications should any deviation conditions occur. This rapid response capability ensures that you can take corrective action right away, safeguarding the integrity of your operations and the quality of your products. Notifications can be sent via interactive phone, emails or texts.
Detailed Reports for Compliance
Detailed reports are the foundation of compliance. Rees's monitoring technology generates comprehensive reports, essential for adhering to industry regulations and cGMP standards. These reports offer an in-depth analysis of your cleanroom's performance, providing a clear record of adherence to the strictest standards such as USP <797>, USP <800>, GxP, GLP, GMP, FDA & more.

Mastering Cleanroom Excellence
Rees offers cleanroom monitoring solutions that are as adaptable as they are precise. Our system can be seamlessly integrated into your cleanroom environment, through a hardwired setup, wireless connectivity, Wi-Fi or a hybrid of all. This versatility ensures that your cleanroom operations remain uninterrupted, while data collection and compliance management are more accessible than ever. With Rees, you're not just embracing progress; you're defining it through innovative, tailored solutions.
Your Partner in Cleanroom Quality
With Rees by your side, achieving cleanroom quality becomes more than a goal; it's an assurance. We are dedicated to supporting your pharmaceutical and biotechnological pursuits with the utmost precision and care. From precise monitoring to compliance management, we stand as your unwavering partner in the pursuit of cleanroom success.
Seamless Integration into Your Cleanroom
At Rees, we know that installing new systems in a cleanroom environment must be quick, precise, and non-disruptive. That’s why our Environmental Monitoring System (EMS) is designed for flexible installation based on your infrastructure and workflow. Whether your facility is already up and running or still in construction, our team works directly with your staff or your architectural/engineering firm to ensure a smooth implementation. We offer:
- Hardwired, wireless, Wi-Fi or hybrid configurations based on your facility's design
- Minimal downtime during installation
- Coordination with your cleanroom construction or retrofit schedule
- Validation support post-install to meet cGMP, GxP, and FDA requirements
With Rees, installation isn’t just a process—it’s part of the quality promise.
Join Us for Continuous Compliant Monitoring
Discover how Rees can elevate the quality and compliance of your cleanroom operations. Explore our cleanroom solutions and experience a new level of precision in pharmaceutical and biotechnological endeavors. Join us in mastering cleanroom excellence today.
“Rees helped us upgrade our cleanroom monitoring system without disrupting production. Their team worked directly with our QA group to meet FDA audit expectations, and the support has been excellent since day one.”
QA Manager
Frequently Asked Questions
Data integrity is critical in regulated environments. Rees EMS includes encrypted communication protocols, secure cloud and on-premise options, role-based access controls, and audit trails for all system interactions. These features help meet data security standards aligned with FDA CFR Part 11 and global GxP requirements.
We monitor temperature, humidity, differential pressure, and particle counts using high-accuracy sensors. If your cleanroom has specialized equipment or conditions, we can customize the system to include CO₂, airflow, light levels, and other critical metrics.
Yes. In addition to EMS, Rees offers cleanroom mapping, calibration, and validation services aligned with FDA, USP <797>/<800>, and ISO standards. We can conduct these services as part of your initial install or during routine requalification cycles.
Absolutely. Our system is scalable for everything from a single ISO-7 room to a multi-facility operation across different states or countries. All monitored data can be centralized for remote visibility, system-wide alerts, and consolidated reporting.
After installation, Rees offers full-service support to help maintain your system and ensure long-term compliance. This includes:
- 24/7/365 technical support by phone, email, or remote access
- Preventive maintenance to keep your system running efficiently
- Annual calibration services to ensure sensor accuracy
- On-site service visits by trained technicians when needed
- Optional validation and requalification services for regulated environments
Our goal is to make sure your cleanroom monitoring system continues to meet industry standards and runs reliably without disrupting your operations. Whether you need help resolving an alarm, updating your system, or preparing for an audit, our team is ready to assist.