Y to use 4 to 20ma instead of 0-10v

5 Answers  

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What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?

0 Answers   Jubilant,

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What are the charecterstics of control valve.

2 Answers  

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what are the difference between conventional and smart transmitter.

1 Answers  

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Why do we need to install hook-up line differential pressure type level transmitter when the differential pressure type level transmitter with capillary are available?

2 Answers  

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what is proportional & what is proportional band

1 Answers   Nimir,

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What is the difference b/w EMF, voltage & potential difference?

1 Answers  

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what is the meaning of HART ?

2 Answers  

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1.what is beta in control valves? 2.what is the condition followed by light in LASERs? 3.1kg/cm2=?psi 4.Integral action reduces what? 5.about vena contracta 6.a simple RC circuit 7.thermistor material's temp coefficient of resistance 8.if wave passes through the thicker area of a chord to a thinner area what changes will occur to wavelength? 9.if 4-20 mA represents 0-10 kg/cm2 what will be the current when pressure is 5 kg/cm2.................

0 Answers   Lurgi,

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y v r connecting 250 ohms resistor in series when u cummunicate with BT in bench calibration?

5 Answers  

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how to calibrate temprature switch and flow switch ?

1 Answers   Adgas,

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can i use 1 sq mm insted of 1.5 sqmm cable cable length 600 mts under ground laying Cable carrying 24 vdc 4-20ma current

2 Answers  

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