why 4 to 20 ma? why cant some other range?

3 Answers  

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WHAT IS SMART SENSOR AND DIFFERENT B/W SMART SENSOR AND SENSOR??? PLS GIVE ME ANSWER AS SOON AS POSSIBLE.....

1 Answers  

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What is shielding effect?

0 Answers   Process Control Technologies,

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What is furnace draft control?

0 Answers  

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What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

0 Answers  

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what is the difference between DELTA-V & FOUNDATION FIELD BUS

4 Answers  

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defination of plc

14 Answers   ABC, Sofcon,

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State four different types of flow measurement, for gas flow measurement MMSCFD is the common unit expand the unit and specify significance of word S in the unit.

0 Answers   ADMA OPCO,

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all types of liquid analyzer principle with drawing?

0 Answers  

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in valve is constructed as per SME B 16.34, then which standard is used for fire testing of valve?.

0 Answers  

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how can you change unit of totalizer in siemens mag 5000 flow meter?

2 Answers   PowerTech,

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how to measure temperature from resistance of rtd?and how to measure temp from voltage of thermocouple?is there any formulas?

3 Answers  

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