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MADISON U3M-148C485 Ultrasonic Liquid Level Sensor Transmitter - Ultrasonic Liquid Level Sensor Transmitters
MADISONUltrasonic Liquid Level Sensor Transmitters

MADISON U3M-148C485 Ultrasonic Liquid Level Sensor Transmitter

The MADISON Noncontact Ultrasonic Level Sensor (MPN U3M-148C485) is an ultrasonic liquid level sensor transmitter with a 1 in NPT connection, 1 in antenna diameter, and a 6 ft range. It operates on 30V DC with a 4 to…

SKU 3G-OTH-91847

Also listed as: U3M148C485 · U3M 148C485

Brand
MADISON
Item
U3M-148C485 Ultrasonic Liquid Level Sensor Transmitter
Part Number
U3M-148C485
Category
Ultrasonic Liquid Level Sensor Transmitters
Available to Order
Also known as:U3M-148C485MADISON
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

MADISON
Manufacturer Part Number
U3M-148C485
Type
NPT, PVC
DC
30V
Range
6 ft
Accuracy
+/-0.25% of Full Scale
Antenna Dia
1 in
Max. Voltage
30V DC
Output Voltage Range
4 to 20mA

Technical Documents

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MADISON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MADISON Noncontact Ultrasonic Level Sensor (MPN U3M-148C485) is an ultrasonic liquid level sensor transmitter with a 1 in NPT connection, 1 in antenna diameter, and a 6 ft range. It operates on 30V DC with a 4 to 20mA output voltage range and offers accuracy of +/-0.25% of Full Scale. The sensor is constructed with PVC.

Frequently Asked Questions

What is the MADISON U3M-148C485 ultrasonic level sensor used for?

The MADISON U3M-148C485 noncontact ultrasonic level sensor measures liquid levels in tanks or vessels without contacting the media. It is used across industrial sectors including water treatment, chemical processing, and HVAC for continuous level monitoring with a 6 ft range and 4 to 20mA output.

What are the specifications of the MADISON U3M-148C485?

The MADISON U3M-148C485 operates on 30V DC with a 4 to 20mA output voltage range. It has a 1 in NPT connection, 1 in antenna diameter, 6 ft range, and accuracy of +/-0.25% of Full Scale. The housing is PVC. This ultrasonic level sensor transmitter is part number U3M-148C485.

Where to buy the MADISON U3M-148C485 worldwide?

3G Electric supplies the MADISON U3M-148C485 ultrasonic level sensor to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this noncontact level transmitter.

How to install the MADISON U3M-148C485 ultrasonic level sensor?

Install the MADISON U3M-148C485 in a vertical position above the liquid surface, ensuring the 1 in NPT fitting is properly sealed. Avoid obstructions in the beam path. Connect 30V DC power and wire the 4 to 20mA output to your controller. Follow standard ultrasonic sensor mounting practices for best accuracy.

Used in

Common applications for MADISON
Water and wastewater treatment — Madison mechanically alternating float switches (M8700-C, MSB8800) for pump alternation and high-level alarm in wet wells and lift stations.
Chemical processing — Madison Kynar-bodied float switch (M9705) for level detection in tanks containing aggressive acids or solvents.
Oil and gas — Madison ultrasonic level transmitter (U5098-D024-019) for non-contact continuous level measurement in storage tanks up to 19 feet.
Food and beverage — Madison ultrasonic level sensor (U3M-148) with PVC housing for hygienic, non-contact level monitoring in mixing and holding tanks.
Power generation — Madison side-mounted float switches (M8790-14/4184) for sump and condensate tank level control in boiler rooms and turbine halls.
Municipal water supply — Madison ultrasonic transmitters (U3M-148C485) with 4-20mA output for remote monitoring of reservoir and clearwell levels.
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MADISON Products

3G Electric supplies MADISON ultrasonic liquid level sensor transmitters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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