




Dwyer Instruments DR200132 | Direct reading glass Flowmeter | 316 SS float | Flow rate 2 SCFH air
The Direct Read Variable Area Glass Flowmeters, Model DR200132, are perfect for measuring the direct flow of common gases such as water and air. There is no need for correlation charts with these flowmeters because of their direct read scale construction. They provide borosilicate glass tubes with SS and aluminum metering valve choices, available in scales of 150 mm or 65 mm.

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Accuracy | +/-5% FS @ 70°F (21.1°C) and 14.7 psia (1 atm absolute) |
Connection | 1/8" female NPT |
Manufacturer | Dwyer Instruments |
Material | Wetted: 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 |
Maximum Operating Pressure | 250 psig (17 bar) |
Maximum operating temperature | 250°F (121°C) |
Mounting | Vertical |
Ratio | Turn-down: 10:1 |
Repeatability | +/-0.25% of scale reading |
Scale | Direct reading 65 mm or 150 mm scales for air or water |
Turn-down Ratio | 10:1 |
Type | Direct Reading Glass Flowmeters |
Valves | 6-turn needle (standard on models with valve) |
- Time is saved by a permanently fused ceramic scale with a vertical locator line, a background of reflecting lens, and a 1.5 X magnification lens that lessens parallax and eye strain.
- Long operational life and a magnifying lens to improve reading resolution are features of the robust polycarbonate front cover, which also protects the tube from breaking.
- Optical needle valve that reduces costs by doing away with the requirement for a separate valve when controlling flow rate.
- Safety blow-out rear panel incorporated for extra safety and increased protection.
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