what is zenier barier and what means
zone 1,zone 2,and zone 3
Answers were Sorted based on User's Feedback
Answer / jayeshsangani1988@gmail.c
zenner barrier is safety barrier for hazards area for current limiter,voltage limiter.
and zone for hazard area classification for duration based.
zone 1- explosive mixture of gas,vapor,is present in continuous
zone 2- explosive mixture of gas,vapor,is like to occur in normal operation
zone 3- explosive mixture of gas,vapor,isn't like to occur,and if occur is vary short time.probability is vary less in year
Is This Answer Correct ? | 4 Yes | 1 No |
Answer / ram singh yadav
A Zener barrier is an associated equipment that is installed in the safe area. It is designed to limit the amount of energy that could appear in an electrical circuit passes through the hazardous area despite the connection before the barrier.
A barrier consists of:
1. Resistors to limit the current
2. Zener diodes to limit the voltage
3. Fuses to protect the components
Is This Answer Correct ? | 0 Yes | 0 No |
What is the diffrence between digital signal processing and discrete signal processing?
a laways iface problem with brine level transmitter sealing diaphram a laways giving error and maximum reading i made re range and adjust with side glass but during commission it giving gap reading between it and side glass i need help from expert to explain how to calibrate it. note:dp transmitter yokogawa company
How does electro magnetic pump works ?
Calibration procedure for water rotameters
Difference between 2-Valve Manifolds, 3-Valve Manifolds and 5-Valve Manifolds 3 with diagram
You wish to SINK all my digital inputs to a PLC digital input card. Would you common out the leads to a positive or a negative connection?
Please explain for RS 485 & RS 232 communication
which types of oxygen analyzer describe with drawing ?
In Boiler Drum Level- Level control valve how can it tuning (PID)?
Calibration procedure for electro magnetic flow meter
So I'm a first year apprentice and I'm having a tough time with knowing the difference between AI, AO, DI, DO. I'm having a hard time understanding what devices are which and why. Can someone explain this to me?
If relative y axis vibration sensor is by passed, and relative x axis and absolute sensor is left working. how much monitoring i would have risked?