Product Overview
Dwyer Photohelic A3002 Differential Pressure Gage – NOS
Dwyer Instruments Photohelic model A3002 differential pressure gage, with a 0-2 inches of water column range, part number 13-163964-00.
Dwyer’s Photohelic series combines precision pressure measurement with control functionality, making it a standard choice in HVAC, filtration, and airflow monitoring. This example has never been installed and remains clean and ready for service.
Product Condition
Unused, new old stock. No box is included. The gage is clean with minor handling marks from storage.
Product Overview
Dwyer Instruments is a trusted manufacturer of pressure and flow measurement tools. The Photohelic A3002 is a versatile instrument, offering both visual readout and control outputs in one package. With a 0-2 inch H2O pressure range and CFM scale up to 700 (x100), it is well-suited for low-pressure monitoring in air handling and environmental systems.
Key Features
- Brand: Dwyer Instruments
- Model: Photohelic A3002
- Part Number: 13-163964-00
- Pressure range: 0-2 inches of water (H2O)
- Flow scale: 0-7 (x100) CFM
- Dial type: analog with dual scales
- Application: differential pressure and airflow monitoring
- Rugged construction for industrial use
Applications
- Air handling system monitoring
- HVAC filter performance measurement
- Laboratory airflow testing
- Cleanroom pressure control
- Environmental system calibration
- Industrial process monitoring
Frequently Asked Questions
What is the condition of this gage?
It is unused, new old stock, without original box but clean and intact.
What pressure range does it cover?
It measures 0 to 2 inches of water column pressure.
Does it include a flow scale?
Yes, it includes a 0-7 (x100) CFM flow scale in addition to pressure measurement.
What is the part number?
The unit is marked 13-163964-00.
What applications is this suitable for?
It is designed for HVAC, cleanroom, and industrial airflow and pressure monitoring systems.
Dwyer’s Photohelic line has been a fixture in air handling and environmental control systems for decades—this unused unit is ready to begin its first real service in your project.
