Hood Calibration Services
Professional testing and certification for fume hoods and biological safety cabinets
Zero Drift provides comprehensive testing and certification services for fume hoods, biological safety cabinets, and clean benches. Our technicians follow industry standards including NSF/ANSI 49, ASHRAE 110, and NIH guidelines to ensure your containment equipment provides proper protection and operates safely.
NSF/ANSI 49 Testing
Following NSF/ANSI and ASHRAE standards
Safety Assurance
Verify proper containment and protection
Compliance Documentation
Detailed certification reports provided
On-Site Service
All testing performed at your facility
Equipment We Calibrate
Fume Hoods
Chemical fume hoods, perchloric acid hoods, and radioisotope hoods. Testing includes face velocity verification, containment testing, and alarm functionality checks.
Biological Safety Cabinets
Class I, II, and III biological safety cabinets. NSF/ANSI 49 certification including airflow testing, HEPA filter integrity, and personnel protection verification.
Laminar Flow Hoods
Horizontal and vertical laminar flow clean benches. Testing includes airflow uniformity, HEPA filter integrity, and ISO cleanliness verification.
Cleanroom Equipment
Cleanroom supply and return air testing, room pressurization verification, and particle count testing for ISO classification.
Capabilities
All testing performed by trained technicians using calibrated instrumentation. Certification reports include detailed test data, environmental conditions, and compliance status.
| Type | Standard | Equipment |
|---|---|---|
| Face Velocity | ASHRAE 110 | Calibrated Anemometer |
| HEPA Filter Integrity | NSF/ANSI 49 | Aerosol Photometer |
| Airflow Patterns | NSF/ANSI 49 | Smoke Testing |
| Containment | NSF/ANSI 49 | KI-Discus Test |
Industries We Serve
Research Laboratories
University and research facility hood certification
Pharmaceutical
GMP compliant biosafety cabinet testing
Healthcare
Hospital and clinical laboratory hood testing
Chemical Industry
Chemical processing and QC lab fume hood testing
Manufacturing
Cleanroom and controlled environment testing
Educational
School and university laboratory hood certification
Service Details
Turnaround Time
Standard: Fume Hoods: Annually recommended
Rush: Biosafety Cabinets: Annually or after relocation
Same-Day: Clean Benches: Annually or per protocol
Expedited service available for urgent needs.
Calibration Certificate
Each calibration includes:
- Test results and data
- Pass/fail determination
- Equipment identification
- Test date and due date
- Technician certification info
- Calibration certificate copies
Additional Services
- Filter Changes: HEPA filter replacement
- Decontamination: Formaldehyde or VHP
- Repairs: Coordination with service providers
- Consultation: Hood selection and placement