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490A系列 濕式手持式數顯差壓計-德威爾Dwyer

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品牌: 德威爾Dwyer
單價: 面議
所在地: 上海
有效期至: 長期有效
最后更新: 2018-07-19 09:42
瀏覽次數: 330
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490A系列 濕式手持式數顯差壓計-德威爾Dwyer

The SERIES 490A Digital Manometers are versatile, hand-held, battery operated manometers available in several basic ranges for positive or positive differential pressure measurement and can tolerate most liquid media compatible with 316LSS. A new feature added to the Series 490A is a field adjustable damping, which allows the user to choose the level of display averaging rate corresponding to the fluctuation level common in many applications.

Service: Compatible gases & liquids.
Wetted Materials: Without valve: 316L SS; Additional wetted parts with 3-way valve option: Buna-N, silicone grease, PTFE, brass 360, copper, reinforced acetal copolymer.
Accuracy: ±0.5% FS from 60 to 78°F (15.6 to 25.6°C); ±1.5% FS from 32 to 60°F and 78 to 104°F (0 to 15.6°C and 25.6 to 40°C).
Pressure Hysteresis: ±0.1% FS.
Pressure Limits: See chart on catalog page.
Temperature Limits: 32 to 140°F (0 to 60°C).
Display: 0.42" (10.6 mm) 4 digit LCD.
Resolution: See chart on catalog page.
Process Connections: Two 1/8" (3.18 mm) female NPT.
Power Requirements: 9 V alkaline battery, installed non-functional, user replaceable.
Weight: 14.1 oz (400 g).
Agency Approvals: CE.
Storage Temperature Limits: -4 to 176°F (-20 to 80°C).
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