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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for M4A-AT
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Product ModelM4A-AT
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Product ParametersLevel Control Transmitter
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size6.1x7.5x5.2cm
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ManufacturerK-TEK
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Weight0.1 kg
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Power Supply12 – 36 V dc
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Current Draw0.5 A max. @ 24 V
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Output Signal4-20 mA (2-wire)
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Accuracy±0.2 % of span
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Resolution< 0.1 mm
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Update Time≤ 5 ms
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Isolation500 V dc
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Operating Temp–40 °C … +85 °C
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Storage Temp–40 °C … +100 °C
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Humidity5 – 95 % RH non-condensing
Description
The K-TEK M4A-AT Electronics Module is an electronic transmitter assembly used in ABB K-TEK AT100 and AT200 magnetostrictive level transmitters. The module provides signal processing, level measurement conversion, local indication functions, and HART communication for integration with distributed control systems (DCS), programmable logic controllers (PLC), and asset management platforms.
Installed within the transmitter housing, the M4A-AT converts the position information generated by the magnetostrictive sensing element into a standard 4–20 mA output signal while simultaneously supporting HART digital communication. This allows process operators to access both primary level measurements and diagnostic information through the same communication loop.
Installed within the transmitter housing, the M4A-AT converts the position information generated by the magnetostrictive sensing element into a standard 4–20 mA output signal while simultaneously supporting HART digital communication. This allows process operators to access both primary level measurements and diagnostic information through the same communication loop.
Alternative Names
M4A AT
M4AAT
M4A/AT
Information
Overview
Manuals
Technical notes
Product Applications
General Setup & Operation Instructions
Features:
- K-TEK M4A-AT ELECTRONICS MODULE
- The Rotork 43409-03 is a control board used in electric actuators, often appearing in maintenance or technical documentation for valve automation systems.
The M4A-AT K-TEK still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
K-TEK M4A-AT ELECTRONICS MODULE Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The K-TEK (now ABB) M4A-AT refers to a specific electronic module option for the AT100/AT200 series Magnetostrictive Level Transmitters, featuring a 4-20 mA HART output, one level measurement capability, and a local LCD indicator.
- Fine Chemicals and Pharmaceutical Plants:HART for remote calibration & diagnostics via 800xA
- Oil and Gas (Storage and Refining):0.01% precision for trade settlement & inventory
- Power and Boiler Systems:Stable liquid level in high-temp/pressure vessels
- Water Treatment and Environmental Protection Plants:Non-contact level control for automated pumping stations
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Installation: Secure the transmitter at the desired measurement point on the tank or vessel.
Wiring: Connect the transmitter to your control system using the appropriate loop-powered wiring (typically a 4-20 mA output).
Calibration:
Power on the unit and ensure it is calibrated to the specific liquid being measured.
For basic magnetostrictive transmitters, calibration often involves setting the Lower Range Value (LRV/4mA) and Upper Range Value (URV/20mA) via the local display or a HART communicator.
Monitoring: Use the provided level data to manage pumps, valves, or alarms within your industrial network.
Technical notes
The M4A-AT includes support for local LCD indication, field configuration, and loop-powered operation. It is a field-replaceable component, allowing maintenance personnel to restore transmitter functionality without replacing the complete instrument assembly. ABB later introduced the enhanced M4A-AT-2017 version as the direct replacement for existing M4A-AT modules used in AT100 and AT200 transmitters.
- Product Applications
- Fine Chemicals and Pharmaceutical Plants: For reaction vessels and raw material tanks. This module supports the HART protocol, facilitating remote calibration and intelligent diagnosis by the factory through the upper computer system (such as 800xA).
- Oil and Gas (Storage and Refining): In the storage tank area of the refinery, the M4A-AT is combined with the AT100 transmitter to monitor the precise liquid level and interface of crude oil, refined oil products, or liquefied gases. Its high precision (up to 0.01%) is crucial for trade settlement and inventory management.
- Power and Boiler Systems: In pressure vessels such as feedwater heaters and condensers in thermal power plants, the M4A-AT can provide stable liquid level data in high-temperature and high-pressure environments, ensuring process safety.
- Water Treatment and Environmental Protection Plants: For large water tanks and chemical storage tanks, for liquid level control, especially in automated pumping stations that require non-contact or high-reliability measurement.
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
- What happens next
- Get the quote now Write Email to INFO@AMIKON.CNEmail confirmation You will get an email confirming that we have received your enquiry.Dedicated Account Manager One of our team will be in touch to confirm your part(s) specification and condition.Your quote You will receive a comprehensive quote tailored to your specific needs.Need Moore Help? Get fast and efficient help from our experienced sales or customer service teams.
- Delivery and payment
- Delivery
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International delivery available
Same day dispatch from warehouse inventory
Warranty
All parts new original are covered by Amikon 12 month warranty
Returns
No hassle returns policy
Dedicated customer support team
Payment options
We accept Bank transfers and the following methods of payment:
For more information, please visit our dedicated payments page.
- Why Choose Amikon Limited?
When it comes to industrial automation, reliability, speed, and trust matter. At Amikon Limited, we go beyond just supplying parts — we deliver confidence.
- ● Extensive Inventory Reach: Nearly 1 million automation parts at your fingertips, including legacy and obsolete models.
- ● 20+ Years of Expertise: Trusted by engineers, project managers and government companies worldwide for our professional service.
- ● Quality You Can Trust: Each unit is strictly inspected by the warehouse staff to ensure product quality
- ● Fast Global Shipping: We help you minimize downtime with express logistics worldwide.
- ● 1-Year Warranty Available: Peace of mind with every purchase backed by one year warranty guarantee.
Whether you're maintaining legacy systems or building future-ready projects, Amikon Limited is your dependable partner in precision and performance.
FAQs
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What is the K-TEK M4A-AT?
+The K-TEK M4A-AT is an electronics module used in ABB K-TEK AT100/AT200 series magnetostrictive level transmitters -
Is this product brand new?
+Yes, K-TEK M4A-A is brand new, original, unused, and factory sealed -
How do I get the price of K-TEK M4A-A?
+Please contact our sales director Ms. Sandy for a discount exclusive quote, Email info@amikon.cn Mob/Whatsapp: +86-18020776786.
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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32D UNITS,GUOMAO BUILDING,NO 388 HUBIN SOUTH ROAD,SIMING DISTRICT,XIAMEN