what is the input of conductivity sensor and meter during the calibration time and what is the output?

2 Answers  

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what is the principal of operatio of dc motor

1 Answers  

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Explain Difference between Bech set and operating range of control valve

3 Answers  

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Why the industry's standard current standards are from 4mA to 20mA,not from 0mA or any other range?

3 Answers  

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An equipment is certified for EEX, IA, IIC, T6, what do you under stand by this.

3 Answers   ADMA OPCO,

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Why MUX JB's are using only Temperature Element in Fundation field bus?

0 Answers   Reliance Industries,

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Senior engineer's please help me, what is Loop Checking and Loop test? and write difference also? soon urgent

0 Answers   Kentz,

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Can any body help me,The GE Mark V control system is windows based or Dos based?

3 Answers  

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what is the difference between impact plate n coriolis type solid flow meters n how they works....n which one is better

1 Answers  

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how to measured k type thermocouple temp.

3 Answers   NTPC,

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In RTU Panel we are having several Analogue & Digital Inputs /Outputs. We are recently facing some problems over Analog inputs , which are not updating properly (But Digital Input are updating normally) Can any one tell me from where the problem is creating , we have checked PLC CPU card, Analog Input card & we reconfigured ,But still the issue is there. Issue : 1. Sometimes Analog values are updating & sometimes not. 2. Analog values are not updating normally , showing some wrong Values 3. Total dead (0 value) Analog values are Level & flow measurement from the field instruments. (But in field the instruments are working normally & Displaying the values normally in local display unit) This problem we are facing in our Water Plant. If any one experienced this same problem or having any ideas related to our issue PLS send your valuable Answers/Replies...

6 Answers   L&T,

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capillary type tranmitter using remote seals and capillary tubes filled with liquid of known of known density so if you wanna callibrate it just close block valve just before capilary @ high side & connect druck apply it's calibrated range pressure as normal calibration ensure low side block valve must be closed & if you asking commissioning so this is not a DP type pressure tx so simple if you wanna put in servie this tx just open high side block valve & than low side block same way i do it but still transmitter showing -13 ma.just tell me what i want to do ?

1 Answers   Gasco,

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