SERIES 1223 FLEX-TUBE® U-TUBE MANOMETER
The Series 1223 manometer features columns made from durable, shatterproof clear butyrate tubing. High-impact polystyrene scales with silkscreen-printed black graduations offer clear readability, even from a distance. A notable safety feature is the inclusion of traps to prevent fluid loss from over-pressure events. It can be used as a portable or stationary device and comes with magnetic clips for mounting on steel surfaces and a clamp bar for stability. The instrument is rated for total pressures up to 100 psi and includes molded nylon tubing connectors, flexible plastic tubing, and pipe thread to tube adapters as standard connections. Gage fluid is typically included.
The Series 1223 is a basic, dependable U-gage ideal for applications wherever a portable, direct reading manometer is needed. Typical uses include:
- Determining air velocity when used with a Pitot tube.
- Measuring static pressures.
- Checking for leakage.
- Monitoring fan and blower efficiency.
- Measuring filter resistance.
- General gas pressure measurements in labs and industrial settings.
Specifications
SERIES 1223 FLEX-TUBE® U-TUBE MANOMETER
Key Specifications
Service: Air and non-combustible, compatible gases.
Measurement Type: Positive, negative, and differential pressures.
Pressure Limits (Total)*: Up to 100 psi (6.89 bar).
Accuracy: Inherent U-tube accuracy; air velocity can be determined within an accuracy of ±2% when used with a Pitot tube and proper procedure.
Tubing: Columns made of 0.375″ O.D. flexible and shatterproof clear butyrate tubing.
Scales: Extruded high-impact polystyrene plastic with stark white background and black, silk-screened graduations for high visibility.
Safety Features: Built-in safety traps prevent fluid loss from accidental over-pressure. Tubing is permanently bonded to the top, which contains the safety traps.
Mounting: Suitable for both portable and stationary use, featuring large magnetic clips and a clamp bar.
Fluid Options:
- W/M Models: Use water or mercury (fluid concentrate provided).
- D Models: Use Dwyer red gage fluid (0.826 specific gravity, fluid provided).
Connections: Standard Type “a” connections with two rapid shut-off molded nylon tubing connectors and two 1/8″ pipe thread to tube adapters for 3/16″ ID tubing.
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