Description
Product Overview
The Dwyer Mark II 25 Manometer is a high-quality instrument engineered for general-purpose pressure measurement in industrial and scientific settings. With dimensions of 7.75 x 7 x 2 inches and a weight of 1 pound, it is compact yet durable, featuring a model number Mark II 25 and manufactured by DWYER. This manometer excels in calibration and resolution across its range, capable of measuring static pressure above and below atmospheric levels, as well as differential pressure. It includes essential accessories such as two tubing connectors for 1/8″ pipe or sheet metal ducts, mounting screws, a 1-ounce bottle of indicating fluid, red and green pointer flags, and 8 feet of flexible double-column plastic tubing, ensuring comprehensive functionality right out of the box.

Usage
The Dwyer Mark II 25 Manometer is ideal for professionals in industrial maintenance, HVAC systems, and scientific research who require accurate pressure readings. It is commonly used in environments like manufacturing plants, laboratories, and commercial buildings to monitor air flow, test ventilation systems, and calibrate equipment. This tool suits technicians, engineers, and maintenance staff needing reliable measurements for safety and efficiency in applications such as duct pressure checks, filter monitoring, and process control.
Why Choose Us
Dwyer’s Mark II 25 Manometer stands out due to its precision engineering and robust construction, backed by decades of expertise in pressure measurement. It offers superior accuracy and ease of use, with a design that minimizes errors and enhances longevity. The inclusion of all necessary accessories reduces setup time, while the manufacturer’s reputation for quality ensures dependable performance in demanding conditions, making it a trusted choice for professionals seeking efficiency and reliability.
Key Features
- Accurate calibration and high resolution for precise pressure measurements in various ranges.
- Versatile functionality to handle static, differential, and above/below atmospheric pressure.
- Durable build with compact dimensions for easy portability and installation in tight spaces.
- Complete accessory kit including tubing connectors, fluid, and flags for immediate use.
- User-friendly design with clear indicators and flexible tubing for straightforward operation.
FAQ
What types of pressure can the Mark II 25 measure?
It measures static pressure, differential pressure, and pressures above or below atmospheric levels, making it suitable for a wide range of industrial and HVAC applications.
Is the indicating fluid included safe to use?
Yes, the included indicating fluid is specifically formulated for manometers and is non-toxic, ensuring safe handling and accurate readings without harmful effects.
How do I install the tubing connectors?
The connectors are designed for 1/8″ pipe or sheet metal ducts; simply attach them to the manometer and secure with the provided mounting screws for a stable setup.
Can this manometer be used outdoors?
While it is built for durability, extreme weather conditions may affect accuracy; it is best used in controlled environments like indoors or sheltered areas.
What is the warranty or support for this product?
Dwyer offers customer support and may provide warranties based on the purchase; check the product documentation or contact the manufacturer for specific details.




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