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Selection Guide Article
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Fahrenheit/Celsius Temperature Conversion Table
Temperature Scales：The degree Fahrenheit (°F) is a unit of temperature named for the german physicist Gabriel Fahrenheit (1686 - 1736). In the Fahrenheit scale of temperature the freezing point of w...
2016-12-23
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Longer New/Old Model Corresponding Table
Longer New/Old Model Corresponding Table
2016-03-19
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Longer Peristaltic Pumps Selection Sheet
Longer Peristaltic Pumps Selection Sheet (Model, Pump Head, Tubing, Flowrates)
2016-03-19
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Tubing testing guides
Immersion test will be needed, when the chemical compatibility of the tubing is uncertain. In this test, weighed a small piece of tubing and measured its length and diameter. afterward immersed this t...
2015-12-19
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Peristaltic pump selection guides
A.Tubing selection Flow rate- Refer to flow rates curve Chemical compatibility-The tubing material must be compatible with the fluid. Fluid Temperature-Tubing applications are often restricted due to...
2015-12-19
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Peristaltic Pump Head Flow Rates Curve
Peristaltic Pump Head Flow Rates Curve
2015-12-19
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Viscosity Values and Specific Gravity (For Peristaltic Pump)
Centipoise = Centistokes x specific gravity where specific gravity is assumed to be 0.8 (except for water). To find the exact cp for your fluid: cp= cSt x (weight per gallon x 0.120)
2015-12-19
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NEMA/IEC Enclosure Ratings
According to IEC 60529, the degree of protection provided by an enclosure is indicated by the IP Code. The code consists of the letters IP (ingress protection) followed by twocharacteristic numerals i...
2015-12-19
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Longer’s Peristaltic Pump Selection Table
1.Outlasts silicone tubing in peristaltic pumps by up to 30 times. 2.Low particulate spallation. 3.Can be autoclaved reeatedly. 4.Temperature resistant from -60℉ to 275 ℉ 5. Fully tested to ISO10993...
2015-12-19
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How to calculate the flow rate according to Flow Chart?
Volume Unit System 1 gallon=3.78 liters (America gallon) 1 cubic meter=1000 liters 1 liter=1000 milliliters 1 milliliter=1000 microliters
2015-12-19
