SIEMENS 7MH7131-1AA10 Load Cell Signal Conditioning Module

Description

SIEMENS 7MH7131-1AA10 Load Cell Signal Conditioning Module

Product Dimensions：

The Siemens 7MH7131-1AA10 is a precision Milltronics Millflo solids flowmeter. It is a high-capacity, impact-style flowmeter designed to measure the mass flow rate of dry, bulk solids using the principle of impact force.

Product Detailed Description

The 7MH7131-1AA10 belongs to the Millflo series, which is specifically engineered for high-volume applications where materials are moved by gravity. It consists of a sensing plate and an LVDT (Linear Variable Differential Transformer) or strain gauge sensing head. As material falls and hits the sensing plate, the horizontal force is measured and converted into an electrical signal representing the flow rate.

Technical Parameters

Product Advantages

• Non-Invasive Measurement: The design minimizes contact with the material stream, reducing wear and tear compared to traditional weigh-feeders.
• Compact Installation: Requires significantly less vertical space than other flow measurement devices, making it easy to retrofit into existing chutes.
• Dust-Tight Design: The fully enclosed housing prevents dust emissions, ensuring a cleaner and safer working environment and protecting the measurement from wind or air pressure changes.
• Low Maintenance: Because there are no moving parts like belts or pulleys, maintenance requirements are minimal.
• High Capacity: Specifically designed to handle large volumes of bulk solids without clogging.

Important Considerations (Precautions)

• Material Velocity: For accurate readings, the material must fall from a consistent height. The use of a “pre-feed” device or a specific chute design is often necessary to ensure a constant velocity.
• Sensing Plate Alignment: The sensing plate must be precisely aligned according to the manufacturer’s specifications. Even slight misalignments can lead to significant measurement errors.
• Integrator Requirement: This module is the “sensing” part only. To get a 4-20mA output or digital display, it must be connected to a Siemens Milltronics integrator (e.g., SF500).
• Calibration: Regular “zero” calibration is required to account for any material buildup on the sensing plate.

Product Applications

The 7MH7131-1AA10 is widely used in heavy industrial processes involving bulk materials:

• Cement Industry: Measuring the flow of clinker, limestone, or finished cement.
• Mining & Aggregates: Monitoring the output of crushed stone, ore, or sand from conveyors.
• Food Processing: Large-scale measurement of grains, sugar, or animal feed.
• Power Generation: Measuring coal flow into pulverizers or boilers.
• Chemicals: Managing the flow of dry fertilizers or plastic pellets.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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