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why 4 to 20 ma ,why not 0 to 20 or 3 to 15 or anything
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- Honeywell, TCS, TN, I also Faced
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Answer Posted / naren
1. to obtain live zero
2. noise reduction
3. no current drop
4. longb tranmission
| Is This Answer Correct ? | 45 Yes | 13 No |
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sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com
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