The Magnetostrictive Liquid Level Meter is a cutting-edge explosion-proof instrument de veloped based on the Wiedemann effect of magnetostrictive materials. It delivers high speed, reliable, accurate, and continuous position signals in explosive gas environments. This liquid level meter is capable of measuring the absolute position of one or more f loating balls simultaneously, with outputs available in both analog and digital formats. The analog output uses a 2-wire system with 4−20 mA + HART, while the digital output employs RS485 communication via the Modbus protocol. Depending on the application, the device can operate with one or multiple floating balls. These floating balls can be suspended at the liquid-gas or liquid-liquid interface within the tank, moving in synchro nization to provide real-time detection of liquid levels or interfaces.
The measuring rod of the magnetostrictive liquid level meter is available in various probe designs, including rigid and flexible leads, making it suitable for demanding industrial environments such as volatile or corrosive conditions. This device excels in detecting multiple liquid levels or interfaces simultaneously, offering significant advantages in applications like chemical reaction vessels, storage tanks, oil depots, and fuel tanks. The product is developed, designed, and manufactured in strict compliance with the GB 21117-2007T "Magnetostrictive Liquid Meter" standard, ensuring exceptional perfor mance and reliability.
Features
· Supports simultaneous detection of multiple liquid levels with high precision and repeatability
· Provides absolute position output without requiring zero reset upon restart
· Supports measurement at up to 5 points
· Convenient for maintenance and monitoring
· Offers multiple output options for versatile applications
· Long service life with stable and dependable performance
· Designed to minimize system heat generation, improving efficiency
· Compliant with electrical safety standards for explosive gas environments
Technical Parameters
| Output type |
2-wire, 4-20 mA + HART |
Modbus |
| Output parameter |
Liquid level, interface, temperature |
| Effective range |
Rigid lead: 100 to 6,000 mm; flexible lead: 1,000 to 22,000 mm |
| Number of measurement points |
1, 2 points |
Up to 5 temperature points |
| Resolution ratio |
1 mm |
1 mm |
| Nonlinear error |
≤ ± 0.05% F.S |
| Repeatability precision |
≤ ± 0.01% F.S |
| Indicating error |
≤ ± 0.5% F.S |
| Temperature performance |
≤ 100 ppm/ºC |
| Response time |
≤ 100 ms |
| Working voltage |
Rated working voltage: 24 VDC; normal operating voltage: 10 to 30 VDC |
| Working current |
< 25 mA ( varying with range size) |
< 50 mA (varying with range size) |
| Load characteristic |
The power supply is 24 V, maximum load 500 Ω for current output |
- |
| Protection rating |
IP65 |
| Measuring blind area |
Upper blind area ≤ 50 mm; lower blind area ≤ 100 mm |
| Temperature |
Ambient temperature: - 30ºC to + 70ºC ; |
| Housing material |
Aluminum alloy (standard), SS304 and other materials need to be customized |
| Medium density |
≥ 500 kg/m3 |
| Probe material |
SS304, 316L, 304 + PTFE, 316L+ PTFE, other special materials need to be customized |
| Pressure bearing characteristics |
≤ 2.5 MPa, exceed this pressure requires customization |
| Process connection |
DN50 (2") and above (top mounted) |
| Electrical interface |
2 M20 * 1.5 |
| Operating environment |
When the ambient temperature is lower than -30ºC, the meter head needs to be insulated on site (such as installing an incubator, etc.) |
| Overpressure protection |
36 V |
| Polarity protection |
Tandem diode |
| Electromagnetic compatibility |
Compliance with the standard of GB 21117-2007-T |
| Insulation resistance |
20 M (100 V) |
| Insulation strength |
500 V |
| Other functions |
5-point temperature measurement; with on-site display and setting functions |
| Explosion-proof marking |
Ex db IIC T6 Gb, ExiaIICT6 |
Product Model
| Model Type |
Code |
Description |
| YC-200 |
|
Megnetostrictive fluid level meter |
| Installation type |
A1 |
Top mounted |
| A2 |
Bundled mounted |
| A3 |
Top mounted with measuring cylinder |
| Measurement type |
C1 |
Liquid level measurement (single signal) |
| C2 |
Interface measurement (single signal) |
| C3 |
Liquid level + interface measurement (dual signal) |
| Output signal |
E1 |
4-20 mA DC |
| E2 |
4-20 mA DC + HART |
| E3 |
RS-485 (only this output mode when multiple signals are used) |
| Explosion-proof type |
B0 |
Non explosion-proof |
| B1 |
Explosion-proof |
| B2 |
Intrinsically safe explosion protection |
| B3 |
Dust explosion protection |
| Probe type |
G |
Rigid lead |
| R |
Flexible lead |
| Probe material |
F1 |
304 |
| F2 |
316L |
| F3 |
PP/PVC |
These options are not available for bundled structures |
| F4 |
304 + PTFE |
| F5 |
316L + PTFE |
| F6 |
Titanium TA2 |
| F7 |
Hastelloy C (HC276) |
| F8 |
MONEL 400/500 |
| Float material |
Q1 |
SS304 |
These options are not available for bundled structures |
| Q2 |
SS316L |
| Q3 |
PP/PVC |
| Q4 |
304 + PTFE |
| Q5 |
316L + PTFE |
| Q6 |
Titanium TA2 |
| Q7 |
Hastelloy C (HC276) |
| Q8 |
MONEL 400/500 |
| Connection type |
S |
Flange: nominal diameter/pressure, sealing surface (such as DN50, PN40 RF surface, the code is S50/40 RF), note: the material of the flange is the same as the material of the probe |
| W |
Chuck (for example, the outside diameter of the chuck is 64, the code is W64) |
| L |
Thread (for example, thread size is 2", code is LG2) |
| Measurement range (mm) |
|
Center distance/side loading, measuring range (tank height)/top loading |
| |
Mounting height (tank height plus mounting flange shorting height) |
| Information code |
|
|
Packaging & Delivery
| Category |
International Commercial Terms (Incoterms) |
Terms of Payment |
Nearest Port |
| Magnetostrictive Level Meter |
CIF, CFR, DAP |
LC, T/T, D/P |
Shanghai, Guangzhou, Tianjin |
Company Profile
Audited Supplier 
){kind=link}