Answer / k. ksharma

All electronic device are operated to 24volt DC supply. Two terminal positive and negative, negative wire comman for each loop.

Answer / carl_ellis

24Vdc is the DC power supply voltage.

For 2 wire loop powered instruments, the DC power supply is
in series in the loop.

For 3 wire instruments, the DC power supply common (-)
shares a terminal with the receiver's common (-),

but has a separate (+) terminal.
For 4 wire instruments, there separate wiring terminals for
both the power supply (+) and (-).

Carl Ellis
Measure First

How to calibrate capillary type level transmitter

0 Answers  

---

where can we use viberation transmitter,and how can we control viberation?

1 Answers   Maden,

---

plz... clarify my answer, how to calibrate vaccum (DP)leveltransmitter,it is hart. (digital).DETAILS:(coloumn)closedtank height 2650mm,and tx range is 0-1500mmH20.

2 Answers   KNPC,

---

Tell me about the synchronization panel.

1 Answers  

---

i have level transmitter -400 to 0 range for steam drum application but i am unable to calibrate if installation of lt below lower tap what will be the effect ? and as per std wht is location of lt ,above lower tapping or below

1 Answers  

---

why t/c is connected parallel and what is the purpose of it

2 Answers  

---

what is datum line?

4 Answers  

---

As you are fresher in Instrumentation & control engineer.Then why should I select you?

1 Answers  

---

What is the differences of Level swich( LS ) and Level Transmitter(LT)

2 Answers   Hi Spectra, Sipra,

---

NAME ANY TWO ELASTIC PRESURE SENSOR?

2 Answers   DVC,

---

What is the difference between uv and ir scanners? and what is the workig principle of both

0 Answers  

---

Explain the difference between differial pressure & delta pressure?

1 Answers  

---