Answer / aftab ahmed mazari

First you know which type of vibration probe you using.
Suppose you using proximity probe. Then check followings:
1. Its resistance, usually Bently Nevada common probes
restance varies from 4.5 ohm to 6 ohms. But if you using
asnother company probe, then see its literature.
2. Also make a graph of vlotage vesus distance of probe,
its behaviour should be linear.
3. If you have vibulator(Vibration source), then check it
with diffewrent vibrations.
aftabmazari@yahoo.com

how can i calibrate the temperatuture gauge used by temperature bath(dry block) i mean step by step procedure?

0 Answers   Texas,

---

What is the use of valve positioner?

1 Answers   CCIE,

---

What is the standard height for stancion supports?

4 Answers  

---

I want to measure bidirectional steam flow? Kindly suggest me a suitable flow meter. steam is superheated at 41kg/cm2, 350°C

2 Answers  

---

how to explain PID?

2 Answers   Jindal,

---

without a positionar can a control valve operate? give the difference of operating with positionar and without positionar?

5 Answers   IOCL,

---

Draw a group of instruments interlocked to a Pump & Motor?

0 Answers  

---

why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V

0 Answers   Hospira,

---

what is SIL 1 2 3

0 Answers   KOC,

---

what are level of automation & how these are distinguished ?

3 Answers  

---

What is the difference between working pressure and calibration pressure of a control valve

0 Answers  

---

why dead weight tester called dead weight tester.

5 Answers   QAFCO,

---