24VDC Two Wire Magnetostrictive Level Gauge For Liquid Measure
Working Principle of 24VDC Two Wire Magnetostrictive Level Gauge For Liquid Measure
The magnetostrictive level gauge consists of three parts: the
detection rod, the circuit unit and the float. During measurement,
the circuit unit generates a current pulse that travels down the
magnetostrictive wire and generates a ring-shaped magnetic field.
There is a float outside the detection rod, and the float moves up
and down along the detection rod with the change of the liquid
level. Since a set of permanent magnets are installed in the float,
the float generates a magnetic field at the same time. When the
current magnetic field meets the float magnetic field, a "twist"
pulse, or "return" pulse, is generated. Convert the time difference
between the "return" pulse and the current pulse into a pulse
signal, so as to calculate the actual position of the float and
measure the liquid level.
Design feature of 24VDC Two Wire Magnetostrictive Level Gauge For Liquid Measure
◎Wider applicability, with multiple probe forms, multiple process
connection forms, multiple manufacturing materials, and
customizable design
◎ strong reliability: since the magnetostrictive liquid level gauge
adopts the waveguide principle, there is no mechanical movable
part, so there is no friction and wear. The whole converter is
enclosed in a stainless steel tube, which is non-contact with the
measuring medium. The sensor works reliably and has a long service
life
◎ high accuracy: since the magnetostrictive liquid level meter works
with waveguide pulse, the measured displacement is determined by
measuring the time of the start pulse and the end pulse, so the
measurement accuracy is high and the resolution is better than
0.01% FS, which is difficult to achieve with other sensors
◎ high safety: the magnetostrictive liquid level meter has high
explosion-proof performance, intrinsic safety and explosion-proof,
safe use, and is especially suitable for the measurement of
chemical raw materials and flammable liquids. There is no need to
open the tank cover during the measurement to avoid the insecurity
of manual measurement.
◎ magnetostrictive liquid level meter is easy to install and easy to
maintain: the magnetostrictive liquid level meter is generally
installed through the existing pipe orifice on the tank top,
especially suitable for the installation of underground storage
tanks and storage tanks that have been put into operation, and
normal operation can not be affected during the installation
process
Technical parameters of 4-20mA Magnetostrictive Liquid Level Meter With 0.5mm High Accuracy
| Typical application | Liquid,Interface measurement |
product model | NYCZ500 |
Antenna Form | Cable, pole type |
Antenna material | 304,316 |
| measuring range | 0-50m~5000mm(cable:25m) |
| Measurement precision | ±0.5mm |
| Power Supply | 24VDC(two line, four line), 220VAC |
signal output | 4...20mA/HART/RS485/Modbus... |
| Working current | 4…20mA |
| Load characteristics | When the current is output, the maximum load resistance is 600Ω;
When the voltage is output, the maximum load resistance is 2mA |
| Process Temperature | -40~+200℃ |
| response time | 0.2~5ms |
| Process pressure | -0.1~10.0MPa |
| Process connection | screw thread,bracket,flange(selectable) |
| resolution ratio | ±1mm |
| levels of protection | IP65,IP67,IP68(selectable) |
| Explosion-proof grade | Exia II CT6 Ga,Exd II CT6 Gb(See certificate for details) |
※Note:The product can be customized according to the specific
requirements of users.
