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Documents: DR12490

DR Series DR Catalog Page More Info

DR12490 | Direct reading glass flowmeter | glass float | flow rate 55 SCFH air. | Dwyer

Direct reading glass flowmeter, glass float, flow rate 55 SCFH air.

Brand: DwyerSKU: DR12490

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Overview Details for DR12490

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Direct reading glass flowmeter | glass float | flow rate 55 SCFH air.

Series DR Direct Reading Glass Flowmeters

65 mm and 150 mm, Interchangeable Flowtubes, Direct Reading Scales

The Series DR Direct Read Variable Area Glass Flowmeters are ideal for the direct flow measurement of air, water, and other commonly used gases. These flowmeters are designed with direct read scales with no need for correlation charts. They feature borosilicate glass tubes in 150 mm or 65 mm scales with aluminum and SS metering valve options.

Flowmeters are shipped completely assembled and include standard panel mounting hardware for quick installation.

Calibration Options are available in the Accessory tab.

Product Applications

Film processing
Paper manufacturing
Chemical processing
Semiconductor industry
Water and air pollution analysis equipment
Metals processing
Industrial fuel and energy conservation
Cylinder gas metering
General laboratory and industrial applications

Permanently fused ceramic scale with vertical locator line, reflective lens backgroundand 1.5 X magnification lens reduces parallax and eye fatigue saving time
Long operating life with thick polycarbonate front shield that protects tube frombreakage and serves as a magnifying lens to enhance reading resolution
Optional needle valve for flow rate control eliminating the need for a separate valvereducing cost
Increased protection with included safety blow-out back panel for added safety

Specifications

Series: DR Direct Reading Glass Flowmeters
Category/Type: Flow
Type: Flowmeters
Series: DR Direct Reading Glass Flowmeters
Service: Compatible gases or liquids.
Wetted Materials: Flowtube: Borosilicate glass; Float: 316 SS (black glass as indicated); Float stops: PTFE; End fittings: Anodized aluminum or 316 SS; O-rings: Buna-N on aluminum models and fluoroelastomer on SS models.
Temperature Limits: 250°F (121°C).
Pressure Limits: 250 psig (17 bar).
Accuracy: ±5% FS @ 70°F (21.1°C) and 14.7 psia (1 atm absolute).
Repeatability: ±0.25% of scale reading.
Scales: Direct reading 65 mm or 150 mm scales for air or water.
Turn-down ratio: 10:1.
Connection: 1/8" female NPT.
Mounting: Vertical.
Valve: 6-turn needle (standard on models with valve).