Skip to content

Free Shipping on Most Orders

Orders over $300 ship free to the continental US. Threshold may vary by brand.

Expert Support

Talk to a specialist — not a call center.
+1 978-295-7538

30-Day Returns

Not the right machine? Return or exchange within 30 days, no hassle.

Authorized Dealer

30 pro brands sold direct. Full manufacturer warranties honored.

Pressure Monitors

Differential pressure monitors measure the pressure difference between a contained abatement work area and adjacent spaces to verify that the negative air machine is maintaining proper containment. A negative reading confirms air flows into the containment zone rather than out, preventing fiber or spore migration. Used by asbestos abatement contractors, mold remediation companies, and industrial hygienists who require continuous containment documentation for OSHA and EPA compliance.

Original price $1,277.50 - Original price $1,277.50
Original price
$1,277.50
$1,277.50 - $1,277.50
Current price $1,277.50

Abatement Technologies RPM-RT1 Room Pressure Monitor – ±0.10 inWC, BACnet, 24V

Abatement Technologies
In stock

Wall-Mounted Differential Pressure Monitor for Isolation Rooms and ICRA Construction Zones The Abatement Technologies RPM-RT1 is a wall-mounted dif...

View full details
Original price $1,277.50 - Original price $1,277.50
Original price
$1,277.50
$1,277.50 - $1,277.50
Current price $1,277.50
Original price $1,478.50 - Original price $1,478.50
Original price
$1,478.50
$1,478.50 - $1,478.50
Current price $1,478.50

Abatement Technologies PPM3-S Pressure Monitor – ±0.1" WC, 16-Day Battery

Abatement Technologies
In stock

Continuous Isolation Room Pressure Monitoring: Abatement Technologies PPM3-S Manometer The Abatement Technologies PPM3-S Portable Differential Pres...

View full details
Original price $1,478.50 - Original price $1,478.50
Original price
$1,478.50
$1,478.50 - $1,478.50
Current price $1,478.50

Differential Pressure Monitors for Abatement and Remediation Containment

What Pressure Monitors Measure and Why It Matters

Differential pressure monitors measure the air pressure difference between the contained work area and the clean adjacent space during abatement and remediation projects. A properly operating containment with a functioning negative air machine maintains lower pressure inside than outside — typically 0.02 to 0.05 inches of water column negative. This pressure differential confirms that air flows inward through gaps and entry points rather than outward, preventing asbestos fibers, mold spores, or lead dust from migrating to occupied building areas. Without pressure monitoring, containment integrity is assumed rather than verified.

Regulatory Documentation and Data Logging

OSHA and EPA regulations for asbestos abatement require documentation of containment conditions throughout the project. Digital manometers from Abatement Technologies include data logging capability that creates time-stamped pressure records for the duration of each work shift. These logs serve as the compliance documentation that regulators and industrial hygienists require during inspections and post-project audits. Contractors without continuous pressure records face liability exposure when containment integrity is questioned. Data-logging monitors eliminate this gap by creating an automatic continuous record without requiring manual log entries during active abatement work.

Related collections: Negative Air Machines · Containment & Compliance · Air Monitoring & Safety · Asbestos Removal Equipment

Selecting the Right Monitor

Basic differential pressure monitors display a real-time reading and require manual documentation. Data-logging models record pressure continuously and export to project files, eliminating manual entry and creating tamper-evident records. For projects requiring continuous documentation — most regulated asbestos and mold remediation work — a data-logging unit is the appropriate choice. With two models available in this category, selection comes down to whether continuous automatic logging is required for your project type and the documentation format your industrial hygienist or client requires for project closeout.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare