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MG5600L Series
The MG5600L Flange-Mounted Liquid Level Transmitter utilizes a monocrystalline silicon sensing chip that receives external medium pressure via a flexible isolation diaphragm and silicone oil fill fluid, with the reference side open to atmosphere for gauge pressure or evacuated for absolute pressure measurement. Under applied pressure, the on-chip Wheatstone bridge becomes unbalanced, generating a differential voltage signal proportional to the measured pressure; this signal is then amplified and processed through intelligent conditioning, temperature compensation, and factory-calibrated adjustment to deliver standard analog and digital outputs to the DCS system. Its modular design enables direct interchange of both the sensor element and central processing circuit without the need for recalibration, ensuring seamless maintenance and operational continuity.
Featuring advanced double beam suspended MEMS monocrystalline silicon pressure sensing technology with an integrated anti-overload center diaphragm, the transmitter delivers exceptional stability, ultra-high accuracy, and superior overpressure withstand capability. Equipped with built-in linear compensation of more than 81 points and 41-point temperature compensation, it ensures long-term measurement stability and reliable data output across the entire operating range.
The transmitter integrates the measuring flange diaphragm, HART communication protocol, and LCD display into a compact, lightweight enclosure for effortless installation and maintenance. With embedded pressure and temperature compensation along with signal conditioning circuits inside the sensor capsule, it supports arbitrary interchangeability of circuit modules without recalibration, significantly reducing downtime and maintenance costs.
A high-definition LCD panel simultaneously presents multiple parameters including pressure, current, percentage, percentage rate bar, sensor temperature, logo, and waveform curves, with adjustable display orientation for flexible viewing. The circuit module incorporates complete overcurrent and overvoltage protection, excellent lightning surge immunity, and strong resistance to electromagnetic interference, ensuring safe and stable operation even in demanding industrial environments.
| General | |
| Product | MG5600L Flange-Mounted Liquid Level Transmitter |
| Medium | Liquid, gas, steam |
| Range Down Ratio | 100:1 |
| Housing Material | High-pressure cast aluminum or 316 stainess steel |
| Cable Entry | 1/2"NPT(F) or M20×1.5 |
| Electric | |
| Output signal | Two-wire 4~20mA DC, HART |
| Input Voltage | General voltage 10.5～45VDC, intrinsically safe voltage 10.5～26VDC, HART communication must ensure 16.5 VDC or above |
| Load Resistance | 250~600Ω (DC24V, including cable resistance) |
| Load Capacitance | Below 0.55mF |
| Load Inductance | Below 3.3mH |
| Power Line Spacing | 150mm or more (Please avoid parallel wiring) |
| Saturation Current | Upper limit is 20.5mA, lower limit is 3.9mA |
| Alarm Current | Upper limitis 21mA, lower lmit is 3.8mA (Mode can be set) |
| Adjustment Function | Zero and full range points can be adjusted on-site or configured by three buttons |
| Output | Linear output, square root output (can be adjusted remotely through configuration software) |
| Insulation Strength | >100 MΩ |
| Transient voltage resistant terminals | GB/T 17626.4-2018 Fast transient burst immunity test, product passes levels 1–4 (+2 kV, -2 kV, +4 kV, -4 kV tests) GB/T 17626.5-2019 Surge (impact) immunity test, product passes levels 1 (0.5 kV), 2 (1 kV), 3 (2 kV), 4 (4 kV) tests |
| Enviroment | |
| Ambient temperature | -40～185°F(-40～85°C) Inert fill -40~140°F(-40~60°C) |
| Storage Temperature | -40～194°F(-40～90°C) |
| Process Temperature | -40～302°F(-40～150°C) |
| Weather Ability | The product complies with DIN40040GPC, and the main circuit boards have undergone three proof paint treatment, and the sensor circuit is sealed with adhesive |
| Measurement Performance | |
| Range | -100kPa～4MPa |
| Power influence | ± 0.005%/1V |
| Ambient temperature influence | 10℃ ± (0.05% range + 0.09% upper range limit) |
| Stabiity | Annual drift less than±0.05%,long-tem drit less than±0.1%/10 years |
| Response time | 90ms |
| Damping time | The time constant can be adjusted from 0to 32.0 seconds |
| Explosion-proof Certification | |
| FM | Factory Mutual (FM) Approvals |
| ATEX | European Commission |
| NEPSI | National instrument explosion-proof safety supervision and inspection station |
| SIL | Single sets meet SIL2 safety requirement, redundant use meets SIL3 safety requirements |
| Accuracy | |
| MG5600L | Full Range: (Range ratio ≤ 5), Accuracy ±0.05% Full Range: (Range ratio > 5), Accuracy ±[0.025+0.005(URL/Range)]% of Range; |
| Mechanical | |
| Wetted Diaphragm Material | 316L SST, Hastelloy, Tantalum, Gold-plated SST, coated PTFE, etc. |
| Wetted Seals Ring | Fluoro rubber, coated with all PTFE silicone rubber |
| Wetted Part Material | 316L SST, Hastelloy, Tantalum, Monel alloy, etc. |
| Fill Fluid | Silicone oil, high temperature silicone oil, vegetable oil, fluorine oil and others (according to customer application) |
| Process Connection | 1/4"-18NPT, 1/2"-14NPT |
| Ingress Protection | IP66\IP67 |
| EMC | If the instrument installed in a metal container or stationary tube, comply with EN61326-1 (1997), specifically for the revised class A1 equipment in the work place. |
The MG5600L Flange-Mounted Liquid Level Transmitter is widely used for continuous level measurement in storage tanks, separators, and reaction vessels. Its flange-integrated design allows direct nozzle mounting, while the corrosion-resistant diaphragm ensures reliable performance with crude oil, chemicals, and aggressive media. Explosion-proof construction guarantees safe operation in hazardous petrochemical environments.
In metallurgical plants, the MG5600L monitors liquid levels in quenching baths, hydraulic reservoirs, and cooling water sumps. Engineered to endure extreme thermal cycling and heavy dust exposure, it delivers stable level data for molten metal processing and thermal management systems, helping prevent equipment damage and optimize cooling operations.
Within power generation facilities, the MG5600L performs level detection in boiler drums, condensate tanks, and cooling tower basins. Its high-stability monocrystalline silicon sensor maintains precise accuracy under fluctuating temperatures and pressures, ensuring adequate water supply to steam systems and protecting turbines from low-water conditions.
The MG5600L meets rigorous sanitary standards with food-grade wetted materials and a flush flange design. It measures liquid levels in ingredient storage tanks, mixing vessels, and fermentation reactors, ensuring batch consistency, preventing contamination, and complying with FDA and GMP requirements throughout the production process.
The process medium pressure is conveyed to the monocrystalline silicon chip via a flexible isolation diaphragm and silicone oil fill fluid. This fully sealed transmission path isolates the sensitive chip from direct medium contact, ensuring accurate and contamination-free measurement.
The transmitter supports both gauge and absolute pressure measurement. For gauge pressure, the sensor's reference side is open to atmosphere; for absolute pressure, it is sealed under vacuum. This dual-configuration flexibility allows the MG5600L to adapt to diverse liquid level measurement scenarios.
The sensor capsule and central processing circuit are designed as independently interchangeable modules with pre-calibrated compensation parameters stored onboard. When either component is replaced, the transmitter automatically recognizes the new module and applies the stored calibration data, eliminating the need for field recalibration.
