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Dwyer DR12090 | Direct Reading Glass Flowmeter | 55 SCFH air, Glass Float
For air flow at 55 SCFH, Dwyer lists the DR12090, a variable area glass flowmeter fitted with a glass float. Because the DR12090 has a direct reading scale, flow can be read without correlation charts.
- Glass float, 55 SCFH air
- Accuracy of ±5% full scale at 21.1°C and 14.7 psia
- PTFE float stops, borosilicate glass tube
- Pressure rating 250 psig (17 bar); temperature up to 121°C (250°F)
- Vertical installation with 1/8 in female NPT fittings
- Specifications
- Features
- Downloads
| Part Number | DR12090 |
| Brand | Dwyer |
| Float | Glass |
| Flow Rate | 55 SCFH air |
| Flowtube | Borosilicate glass |
| Float Stops | PTFE |
| Accuracy | ±5% FS @ 70°F (21.1°C) and 14.7 psia |
| Repeatability | ±0.25% of scale reading |
| Turn-down Ratio | 10:1 |
| Maximum Pressure | 250 psig (17 bar) |
| Maximum Temperature | 250°F (121°C) |
| Connection | 1/8 in female NPT |
| Mounting | Vertical |
- 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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