Dwyer DR Direct Read Variable Area Glass Flow Meters |
Dwyer DR Direct Read Variable Area Features
- Permanently fused ceramic scale with vertical locator line, reflective lens background and 1.5 X magnification lens reduces parallax and eye fatigue saving time
- Long operating life with thick polycarbonate front shield that protects tube from breakage and serves as a magnifying lens to enhance reading resolution
- Optional needle valve for flow rate control eliminating the need for a separate valve reducing cost
- Increased protection with included safety blow-out back panel for added safety
Application
- 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
Dwyer DR Direct Read Variable Area Specification
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 | 10:01 |
Connection | 1/8" female NPT. |
Mounting | Vertical. |
Valve | 6-turn needle (standard on models with valve). |
Download Data Sheet: Series DR Direct Reading Glass Flow Meters
Ref: dwyer-inst.com