Answer / carl_ellis

The difference in temperature between the hot end and the
cold end, call a thermal gradient, of a pair of wires made
from dissimilar metals produces a voltage.

Tell 'em Carl sent you.

Answer / nandu

T/c has to junctions
1.hot 2.cold
depending upon the
difference b/w two
junctions the mV can
be measured becoz of
T/c material its a alloy

I am having a Phoenix digital to modbus converter. The o/p of the same is connected to flow computer FB407. But the digital signals are updated only after one minute in the flow computer. what may be the cause of delay in communication? Flow computer is having a scanning period of less than 1 sec.

0 Answers  

---

Please explain for RS 485 & RS 232 communication

1 Answers   Honeywell,

---

can you suggest good traning institute in instrumentation ? (in automation, or designing)

5 Answers  

---

Rtd sensor how to calibrate

5 Answers   Sepam Group,

---

Explain about the leakage class of the control valves

0 Answers   CCIE,

---

how can be connected thermocouple in series?what is the need?

2 Answers   Hindalco,

---

WHAT IS THE MAIN WORKING OF BOILER.

3 Answers  

---

Why ac supply load cell is used? Can we use the dc supply load cell?

0 Answers  

---

Q- Ordinary Water Tap is which kind of controller ? P , PI or PID i chose the option of ON - OFF type controller but ambiguity is that for different positioning of tap we get different flow

1 Answers  

---

IF I WANT TO BUY A THERMOCOUPLE THEN WITCH PARAMETER I LOOK

1 Answers  

---

open tank and close tank leavel transmiter about range and calibration

0 Answers  

---

GIVE BRIEF DESCRIPTION ABOUT "DCS"

2 Answers  

---