
Dwyer Instruments 2001 Pressure Gage
For high-accuracy pressure monitoring in commercial HVAC systems, the Dwyer Instruments 2001 Magnehelic Pressure Gage is the industry standard for measuring differential pressure, fan and blower pressures, and filter resistance. This analog gage offers a 0-1.0" w.c. range with a precision 0.02" minor division scale, making it essential for duct static pressure monitoring and cleanroom validation. Built with a rugged die-cast aluminum case and a frictionless magnetic movement, it provides rapid response to pressure changes without the need for power or manometer fluids. Its IP67-rated weatherproof housing ensures reliability in demanding environments, while the 4" diameter dial and red-tipped pointer guarantee clear visibility during routine inspections. Designed for versatile installation, it supports both flush mount and surface mount configurations via 1/8" female NPT process connections, allowing technicians to integrate it into existing air handling units or ventilation systems with ease.
Key Benefits
- Measurement accuracy within 2% of full scale at 70°F for reliable HVAC system balancing.
- Frictionless Magnehelic movement eliminates mechanical wear and ensures long-term calibration stability.
- Pressure resistance up to 15 psig handles standard system spikes without damaging the internal diaphragm.
- Dual 1/8" NPT ports (side and back) provide flexible connection options for complicated pipe runs.
- Internal rubber pointer stops prevent over-travel damage during high-pressure startup cycles.
Common Questions
Can this gage be mounted in any orientation?
Standard Magnehelic gages are factory-calibrated for vertical mounting. While ranges above 1.0" w.c. can sometimes be used horizontally after re-zeroing, for the 2001 model (0-1.0" w.c.), vertical diaphragm orientation is required to maintain the specified accuracy.
Is the Dwyer 2001 suitable for outdoor use?
Yes, the die-cast aluminum housing is salt-spray resistant and features an IP67 rating, making it suitable for rooftops and exposed mechanical rooms when used within the 20 to 140°F temperature range.
How do I zero the gage?
The zero adjustment screw is conveniently located in the plastic cover. Use a standard screwdriver to align the pointer with the zero mark after venting both the high and low-pressure ports to the atmosphere.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $91.91
-65%$91.91
$32.17Dwyer Instruments 2001 Pressure Gage
For high-accuracy pressure monitoring in commercial HVAC systems, the Dwyer Instruments 2001 Magnehelic Pressure Gage is the industry standard for measuring differential pressure, fan and blower pressures, and filter resistance. This analog gage offers a 0-1.0" w.c. range with a precision 0.02" minor division scale, making it essential for duct static pressure monitoring and cleanroom validation. Built with a rugged die-cast aluminum case and a frictionless magnetic movement, it provides rapid response to pressure changes without the need for power or manometer fluids. Its IP67-rated weatherproof housing ensures reliability in demanding environments, while the 4" diameter dial and red-tipped pointer guarantee clear visibility during routine inspections. Designed for versatile installation, it supports both flush mount and surface mount configurations via 1/8" female NPT process connections, allowing technicians to integrate it into existing air handling units or ventilation systems with ease.
Key Benefits
- Measurement accuracy within 2% of full scale at 70°F for reliable HVAC system balancing.
- Frictionless Magnehelic movement eliminates mechanical wear and ensures long-term calibration stability.
- Pressure resistance up to 15 psig handles standard system spikes without damaging the internal diaphragm.
- Dual 1/8" NPT ports (side and back) provide flexible connection options for complicated pipe runs.
- Internal rubber pointer stops prevent over-travel damage during high-pressure startup cycles.
Common Questions
Can this gage be mounted in any orientation?
Standard Magnehelic gages are factory-calibrated for vertical mounting. While ranges above 1.0" w.c. can sometimes be used horizontally after re-zeroing, for the 2001 model (0-1.0" w.c.), vertical diaphragm orientation is required to maintain the specified accuracy.
Is the Dwyer 2001 suitable for outdoor use?
Yes, the die-cast aluminum housing is salt-spray resistant and features an IP67 rating, making it suitable for rooftops and exposed mechanical rooms when used within the 20 to 140°F temperature range.
How do I zero the gage?
The zero adjustment screw is conveniently located in the plastic cover. Use a standard screwdriver to align the pointer with the zero mark after venting both the high and low-pressure ports to the atmosphere.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Product Information
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Description
For high-accuracy pressure monitoring in commercial HVAC systems, the Dwyer Instruments 2001 Magnehelic Pressure Gage is the industry standard for measuring differential pressure, fan and blower pressures, and filter resistance. This analog gage offers a 0-1.0" w.c. range with a precision 0.02" minor division scale, making it essential for duct static pressure monitoring and cleanroom validation. Built with a rugged die-cast aluminum case and a frictionless magnetic movement, it provides rapid response to pressure changes without the need for power or manometer fluids. Its IP67-rated weatherproof housing ensures reliability in demanding environments, while the 4" diameter dial and red-tipped pointer guarantee clear visibility during routine inspections. Designed for versatile installation, it supports both flush mount and surface mount configurations via 1/8" female NPT process connections, allowing technicians to integrate it into existing air handling units or ventilation systems with ease.
Key Benefits
- Measurement accuracy within 2% of full scale at 70°F for reliable HVAC system balancing.
- Frictionless Magnehelic movement eliminates mechanical wear and ensures long-term calibration stability.
- Pressure resistance up to 15 psig handles standard system spikes without damaging the internal diaphragm.
- Dual 1/8" NPT ports (side and back) provide flexible connection options for complicated pipe runs.
- Internal rubber pointer stops prevent over-travel damage during high-pressure startup cycles.
Common Questions
Can this gage be mounted in any orientation?
Standard Magnehelic gages are factory-calibrated for vertical mounting. While ranges above 1.0" w.c. can sometimes be used horizontally after re-zeroing, for the 2001 model (0-1.0" w.c.), vertical diaphragm orientation is required to maintain the specified accuracy.
Is the Dwyer 2001 suitable for outdoor use?
Yes, the die-cast aluminum housing is salt-spray resistant and features an IP67 rating, making it suitable for rooftops and exposed mechanical rooms when used within the 20 to 140°F temperature range.
How do I zero the gage?
The zero adjustment screw is conveniently located in the plastic cover. Use a standard screwdriver to align the pointer with the zero mark after venting both the high and low-pressure ports to the atmosphere.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












