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Portable Baratron® Pressure Verification Carts
Portable, In-Situ Pressure Verification for Critical Processes
MKS Portable Pressure Verification Carts provide a fast, reliable way to verify pressure measurement accuracy directly at the point of use. Designed for laboratories, manufacturing facilities, cleanrooms, research environments, and industrial process applications, these portable systems enable users to validate pressure instrumentation without removing equipment from service.
Whether you're maintaining a production line, troubleshooting a process, validating a test system, or supporting a calibration program, MKS Portable Pressure Verification Carts deliver trusted, NIST-traceable pressure verification exactly where it's needed.
Why In-Situ Verification?
When pressure measurements drift, the consequences can include reduced product quality, process variability, unnecessary maintenance, compliance concerns, and costly downtime.
MKS Portable Pressure Verification Carts allow maintenance teams, metrology professionals, technicians, and engineers to verify instrument performance on-site, enabling faster decision-making and greater confidence in measurement accuracy.
Key Benefits
Increase Equipment Availability
Verify pressure instrumentation without removing it from service or sending it to an external calibration facility. Minimize disruptions and maintain operational continuity.
Reduce Maintenance and Calibration Costs
Confirm instrument performance before replacing gauges or scheduling unnecessary calibration activities.
Improve Measurement Confidence
Utilize highly accurate, temperature-controlled Baratron® pressure standards to verify critical measurements with confidence.
Accelerate Troubleshooting
Quickly identify whether measurement deviations originate from the instrument, control system, vacuum process, or application itself.
Support Quality and Compliance Programs
NIST-traceable pressure standards help support internal quality systems, calibration programs, documentation requirements, and industry compliance initiatives.
Applications
MKS Portable Pressure Verification Carts are ideal wherever pressure measurement accuracy must be verified at the point of use, including:
- Calibration and metrology laboratories
- Research and development facilities
- Aerospace and defense test environments
- Pharmaceutical and biotechnology manufacturing
- Semiconductor manufacturing
- Industrial vacuum systems
- Thin film and coating applications
- Analytical and scientific instrumentation
- General industrial process control
- Universities and research institutions
Confidence in Every Measurement
MKS Portable Pressure Verification Carts deliver trusted, NIST-traceable pressure verification directly at the point of use, helping organizations improve uptime, reduce costs, accelerate troubleshooting, and ensure measurement integrity across critical operations.

PBTS1C Portable Pressure Verification Cart
- Pressure verification from 10⁻⁵ to 25,000 Torr
- Accuracy up to ±0.05% of reading
- NIST traceable calibration

PBMS2H Dual-Channel Portable Pressure Verification Cart
- Pressure verification from 10⁻⁵ to 1,000 Torr
- One- or two-channel configurations
- Dual NIST-traceable Baratron® standards
