Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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
Category
Ultrasonic Liquid Level Sensor Transmitters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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
Industrial tank level monitoring — MADISON M4400-ULL-NO vertically mounted float switch for high-level alarm in water storage tanks
Pump control in wastewater systems — MADISON M4168-1 side-mounted float switch for automatic pump start/stop in sump pits
Hydraulic system flow verification — MADISON FS8000-20003 piston flow switch for detecting flow in lubrication lines
Chemical processing level sensing — MADISON M3827-3NO stainless steel float switch for corrosive liquid level detection
Non-contact level measurement in bulk storage — MADISON U5098-D024-019 ultrasonic sensor for tank level monitoring up to 19 ft
Cooling water flow monitoring — MADISON FS8000-10010 compact flow switch for verifying coolant flow in heat exchangers

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Related products

More from MADISON

View all MADISON parts
Noncontact ultrasonic level sensor transmitter with 1 in NPT connection and 1 in antenna diameter. Measures liquid level in tanks or vessels up to 6 ft with ±0.25% accuracy. Operates on 30V DC with 4-20mA output. PVC construction suitable for water, wastewater, and industrial fluid management
MADISON
Noncontact ultrasonic level sensor transmitter with 1 in NPT connection and 1 in antenna diameter. Measures liquid level in tanks or vessels up to 6 ft with ±0.25% accuracy. Operates on 30V DC with 4-20mA output. PVC construction suitable for water, wastewater, and industrial fluid management
Noncontact ultrasonic level sensor transmitter with 1 in NPT connection and PVC construction. Provides continuous level measurement with 4-20mA output, 30V DC supply, and accuracy of +/-0.25% of full scale over a 6 ft range. Suitable for liquid level sensing in tanks, sumps, and open channels where noncontact operation is required
MADISON
Noncontact ultrasonic level sensor transmitter with 1 in NPT connection and PVC construction. Provides continuous level measurement with 4-20mA output, 30V DC supply, and accuracy of +/-0.25% of full scale over a 6 ft range. Suitable for liquid level sensing in tanks, sumps, and open channels where noncontact operation is required
Ultrasonic liquid level sensor transmitter with 2 in NPT connection and 2 1/8 in antenna diameter. Provides non-contact level measurement up to 19 ft with accuracy of +/-0.2% of full range. Operates on 30V DC with 4 to 20mA output. Suitable for continuous level monitoring in tanks and vessels
MADISON
Ultrasonic liquid level sensor transmitter with 2 in NPT connection and 2 1/8 in antenna diameter. Provides non-contact level measurement up to 19 ft with accuracy of +/-0.2% of full range. Operates on 30V DC with 4 to 20mA output. Suitable for continuous level monitoring in tanks and vessels