Fault point: Converter Test tool: Multimeter Checking solution. 1. The measurement range of the flowmeter is consistent with the user’s equipment 2. The user will remove the 4-20mA line, enter the converter parameter settings, find the current zero point correction, and current full correction, and press the enter key to enter the current zero point, […]
Electromagnetic flow meter fault 4-20mA inaccurate Read More »
Fault point: Converter Inspection tool: spanner / multimeter Checking program. 1. Check if the wiring between the meter head and the meter body is correct 2. Disconnect the meter head from the meter body and twist the two excitation wires of the converter together to see if the SYS alarm still exists 3. Check if
Electromagnetic flow meter failure-System alarms (converters) Read More »
Fault point: Converter Test tool: Multimeter Solution: Remove IOUT and COMM wiring, use a multimeter to detect 4-20mA output between IOUT and COMM of the 4-20mA terminal of the converter Test result: 1. 4-20mA output 2. No 4-20mA output Solution: 1. Test the field wiring 2. Return the output module to the factory for repair
Electromagnetic flow meter No 4-20mA output Treatment solutions Read More »
Two-wire 4-20mA current output wiring instructions Three-wire 4-20mA current output wiring instructions Wiring instructions for the pulse output function Wiring instructions for RS485 communication function Notes. Pulse output meets the following conditions: high-level amplitude > 22V, low level amplitude < 0.8V, pulse frequency ≦ 3000Hz. Current load resistance <500Ω. The communication protocol format is MODBUS-RTU
Temperature and pressure compensated vortex flowmeter wiring diagram Read More »
The RD90X series 26G HF radar level has a small antenna size for easy installation; non-contact radar, no wear, and tear, and no contamination. Virtually unaffected by corrosion, foam, atmospheric water vapor, temperature, and pressure changes. Severe dusty environments have little effect on the operation of HF level meters. Shorter wavelengths for better reflection on
How to install high frequency radar level meters in different shaped storage tanks Read More »
Many of you have questions about the need for a waveguide tube for radar level meters, which are usually used for liquid measurements as they do not require direct contact with the medium. However, some people install waveguide tubes when using high-frequency radar level meters, while others do not, so what is the specific
a waveguide tube for radar level meters Read More »
The nozzle flow meter is a differential pressure generation device for measuring flow, with a variety of differential pressure meters or differential pressure transmitters can measure the flow of various fluids in the pipeline. Standard nozzle throttling device with differential pressure transmitter can measure the flow of liquid, steam, and gas, widely used in petroleum,
Difference between nozzle flow meters and orifice flow meters Read More »
Level gauges have gradually become an indispensable measurement tool in industrial production. A wide range of instruments, depending on their performance, are used in different fields and industries. So, how do you choose a level meter when you need to measure concentrated sulphuric acid? The HBRD902 offers the excellent performance of 26G pulse radar for
Concentrated sulphuric acid measurement Read More »
Introduction Orifice plate flowmeter is a standard orifice plate and multi-reference differential pressure transmitter (or differential pressure transmitter, temperature transmitter and pressure transmitter) to form a high range ratio differential pressure flow device, can measure the flow of gas, steam, liquid and natural gas. Application Widely used in petroleum, chemical, metallurgy, electric power, heating, water
Orifice flowmeter introduction Read More »
1. Energy measurement Energy sources are divided into primary energy sources (coal, crude oil, coal bed methane, LPG, and natural gas), secondary energy sources (electricity, coke, artificial gas, refined petroleum products, LPG, steam), and energy-carrying work substances (compressed air, oxygen, nitrogen, hydrogen, water). Energy metering is an important means of scientifically managing energy, achieving energy
What are the areas of application for orifice flow meters? Read More »
