Search Results for: 4-20 milliamps
- Calibration
Stroke checking of control valve
What is Stroke Checking of Control Valves? Table of ContentsWhat is Stroke Checking of Control Valves?Purpose and scope:Tools required for…
Read More » - Field Instrumentation
What are the differences between transducer and transmitter?
Table of ContentsWhat is Transmitter?What is the working principle of Transmitter?How Transmitters are classified?Pneumatic transmitter:Analog transmitter:Digital Transmitters:Electronic Transmitters:Pressure transmitters:Level transmittersTemperature…
Read More » - Level Measurement
What is Zero suppression & Zero Elevation?
Zero suppression & Zero elevation are values that correspond to the 4-20mA transmitter range for level measurement using Differential pressure…
Read More » - Process Control
Process switches and alarms
Introduction Another type of instrument commonly seen in measurement and control systems is the process switch. The purpose of a switch…
Read More » - Instrumentation
Difference between 2 wire & 4 wire transmitter current loops
The current loop uses DC power because the magnitude of the current represents the signal level that is being transmitted.…
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