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Endress+Hauser FMB70 Hydrostatic Level Transmitter 4-20mA HART Original E+H FMB70 Liquid Level Gauge

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  • Endress+Hauser FMB70 Hydrostatic Level Transmitter 4-20mA HART Original E+H FMB70 Liquid Level Gauge
  • Endress+Hauser FMB70 Hydrostatic Level Transmitter 4-20mA HART Original E+H FMB70 Liquid Level Gauge
  • Endress+Hauser FMB70 Hydrostatic Level Transmitter 4-20mA HART Original E+H FMB70 Liquid Level Gauge
  • Endress+Hauser FMB70 Hydrostatic Level Transmitter 4-20mA HART Original E+H FMB70 Liquid Level Gauge

›

Endress+Hauser FMB70 Hydrostatic Level Transmitter 4-20mA HART Original E+H FMB70 Liquid Level Gauge
The E+H FMB70 is a heavy-duty submersible hydrostatic level transmitter that operates based on the principle of hydrostatic pressure: the pressure exerted by a liquid column is proportional to its height, and the transmitter converts this pressure into a standard electrical signal for easy integration with industrial control systems. Designed by Endress+Hauser, a global leader in process measurement and automation, the FMB70 is built to meet the strictest industrial standards, ensuring outstanding long-term stability, ultra-high accuracy, and maintenance-free operation.
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Product Description

The E+H FMB70 is a heavy-duty submersible hydrostatic level transmitter that operates based on the principle of hydrostatic pressure: the pressure exerted by a liquid column is proportional to its height, and the transmitter converts this pressure into a standard electrical signal for easy integration with industrial control systems. Designed by Endress+Hauser, a global leader in process measurement and automation, the FMB70 is built to meet the strictest industry standards, ensuring long-term stability, high accuracy, and low maintenance.
This versatile level transmitter is suitable for measuring liquid levels in pressure tanks, storage vessels, reservoirs, boreholes, wells, and open channels, and is compatible with various liquids including clean water, wastewater, drinking water, saltwater, brine, oil, and corrosive chemical solutions. With its rugged integrated structure and flexible installation options, it can be easily deployed in both above-ground and underground applications, even in harsh industrial and deep-well environments with limited space.
Core Technical Specifications
Measuring Range: 0.5 m to 100 m (liquid column); optional customized range available for special applications
Accuracy: ±0.075% of full scale (FS) for high-precision version; ±0.1% FS for standard version, ensuring precise measurement even in deep-level and high-pressure applications
Measuring Cell: High-end monolithic ceramic pressure cell with excellent overload resistance (up to 15x full scale) and long-term stability, resistant to corrosion, wear, and fatigue
Output Signal: Standard 4-20 mA analog output; optional HART 7 communication protocol for remote configuration, calibration, and real-time data monitoring
Temperature Measurement: Optional Pt100 temperature sensor (accuracy ±0.2 °C) for simultaneous level and temperature detection, eliminating the need for additional sensors
Protection Class: IP68 (full waterproof and dustproof), suitable for long-term permanent submergence in liquid; optional IP69K for high-pressure cleaning applications in industrial scenarios
Material: Probe wetted parts made of stainless steel (1.4404/316L); optional Hastelloy or titanium alloy for strong corrosive media; housing made of robust engineering plastic or stainless steel, ensuring durability in harsh industrial conditions
Operating Temperature: -20 °C to +85 °C (process temperature); -40 °C to +85 °C (ambient temperature), adaptable to extreme weather, deep underground, and high-temperature industrial environments
Pressure Rating: Up to 100 bar (max), suitable for high-pressure closed tanks, deep wells, and high-static-pressure industrial applications

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Products Recommended

Pressure Transmitters for Industrial Pressure Measurement

Xinyi Instrument supplies pressure transmitters for process control, hydraulic systems, petrochemical plants, water treatment, HVAC, power generation and general industrial pressure monitoring. Our pressure transmitter range covers gauge pressure, absolute pressure, differential pressure, high temperature media and digital communication applications.

Choose from compact pressure transmitters, smart 3051 differential pressure transmitters, diaphragm seal models, RS485 digital pressure transmitters and high frequency dynamic pressure sensors. Standard outputs include 4-20 mA, voltage output, HART and RS485 Modbus options, with stainless steel wetted parts and custom process connections available on request.

Pressure Transmitter Parameters

Pressure Types Gauge, absolute, negative pressure, differential pressure
Measuring Range From low differential pressure to high pressure ranges up to 100 MPa, depending on model
Output Signals 4-20 mA, 0-5 V, 1-5 V, 0-10 V, RS485 Modbus, HART options
Accuracy Typical options include 0.1%, 0.2%, 0.25% and 0.5% FS
Process Connection M20 x 1.5, G1/4, G1/2, NPT and customized thread connections
Wetted Materials Stainless steel, 316L diaphragm and corrosion-resistant sealing options
Media Water, oil, gas, air, steam and compatible liquid or gas media
Applications Pipeline pressure, tank level, flow differential pressure, hydraulic pressure and automation systems

Recommended Pressure Transmitter Series

  • Xinyi YW-150 - differential pressure transmitter for stable industrial measurement.
  • Xinyi YW-3051DP - smart differential pressure transmitter for process control.
  • Xinyi YW-130 / YW-140 - compact pressure transmitters for general pressure monitoring.
  • RS485 Digital Pressure Transmitter - Modbus communication for remote monitoring systems.
  • High Temperature Pressure Transmitter - designed for hot media and demanding process conditions.
  • Siemens, Yokogawa and ABB Options - international brand transmitters available for project matching.

Pressure Transmitter FAQ

What is a pressure transmitter used for?

A pressure transmitter converts the pressure of liquid, gas or steam into a standard electrical signal for PLC, DCS, recorder or control instrument input. It is widely used for pipeline pressure, tank level, flow measurement and process safety monitoring.

How do I choose the right pressure transmitter?

Confirm the pressure range, pressure type, medium, temperature, output signal, accuracy, installation thread, electrical connection and environmental requirements. For corrosive media, high temperature or sanitary applications, diaphragm material and sealing structure are especially important.

What is the difference between gauge, absolute and differential pressure transmitters?

Gauge pressure transmitters measure pressure relative to atmospheric pressure. Absolute pressure transmitters measure pressure relative to vacuum. Differential pressure transmitters measure the pressure difference between two points and are commonly used for flow, filter and level measurement.

Can Xinyi Instrument provide customized pressure transmitters?

Yes. Xinyi Instrument can support customized pressure ranges, process connections, output signals, cable length, display options and model selection for different industrial applications.