U205 Solid state relay

U205 Solid state relay

Features:

Non-junction switch, long usage life

Controlling voltage among 3-5V, controlled voltage can reach to 380V

100% Factory Tested.

Package:

Product ID dimensions: Net Weight Cross Weight

U205-A 110g

U205-B 10g

U205-C 310g

U205-D 20g

fuel dispenser wing measuring requirements: Instrume fuel dispenser nt of measurement should have a certain tension and not easily be deformed so as to affect the inner cubage volume. Foam and vapor that dissolved in fuel measured are able to be discharged completely when pouring into instrument of measurement. Liquid measured should be discharged after measurement, only a bit being left in container. Valve of instrument of measurement should have reliable sealability without leakage phenomenon as being full of oi fuel dispenser l. Indicating pipe on measurer should be made of glass without defect on inner diameter so as to hinder observation. Connection between measuring neck and scale should be fixed in order to keep stably relative position. The line on indicating glass should be legible and clear, width being no more than 0.25mm. The inner of measuring neck is depended upon measurer’s accuracy. As for Class II metal standard measurer, the ratio of corresponding liquid volume of per millimeter to measurable volume of measurer is no more than 5×10�?. Discharge time of measurer relies on the diameter of bottom valve. It is leaned from experiment that the longer time of unload the less residual liquid left, better promoting measurement accuracy, and vice versa. Thereby, in order to control the tolerance occurred by discharge velocity and time and residual volume during approval progress, discharge condition and pouring-out time is regulated generally that opening fully bottom valve start to count two minutes from liquid dropping, then close bottom valve; or fully open bottom valve and close it after 3 minutes. Indicated value generally read out as showed at the bottom of curve in indicating glass. Apart from standard measurer applied in fuel dispenser inspection and approval, there is thermometer or temperature sensor, measured range �?0�?to �?0�? minimum value 0.2�? which used to measure temperatures of liquid that passed over nozzle vent and in standard measurer. One of purpose to measure temperature is to make modification of

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