The Dwyer Instruments VA25437 is a high-accuracy variable area (VA) flowmeter engineered for the precise measurement of gas and air flow in demanding laboratory, research, and industrial environments. With its rugged construction and transparent flow tube, it offers easy readability and long-lasting performance, making it ideal for routine monitoring and calibration tasks.
Key Features:
High-clarity polycarbonate flow tube for easy flow visualization
Accurate variable area design for consistent readings
Direct-reading scale calibrated for air or compatible gases
Durable brass or stainless steel end fittings for corrosion resistance
Compact, panel-mountable design for easy integration
Compatible Chemicals:
Dry air
Nitrogen
Argon
Carbon dioxide (non-corrosive gases)
Included Accessories:
Mounting hardware
Calibration certificate
Installation guide
Compliance:
ISO 9001 manufacturing standards
GLP/GMP-friendly documentation available
Benefits for Lab Users:
Precise control of gas flow in experiments and processes
Durable and low-maintenance design reduces downtime
Visual flow confirmation enhances safety and monitoring
Easy installation and integration into existing systems





