Description
SIEMENS 7ML50331BA101A
Reliable non-contact ultrasonic level measurement for liquids and bulk solids in demanding industrial environments
| Brand | SIEMENS |
| Model | 7ML50331BA101A |
| Voltage | 24V DC / 115-230V AC |
| Country of Origin | Germany |
| Weight | 1.2 kg |
| Dimensions | 120x100x80 mm |
| Warranty | 6 months |
| Certifications | CE, ATEX, IECEx, CSA |
| SKU / MPN | 7ML50331BA101A |
| What’s in the box | Ultrasonic sensor head, mounting bracket, process connection, operating manual, wiring diagram |
| Measuring Range | Up to 12 m (depending on process conditions) |
| Frequency | ~20 kHz ultrasonic transducer |
| Output Signal | 4-20 mA / HART / PROFIBUS PA |
| Accuracy | ±0.25% of measuring range |
| Process Connection | G 11⁄2″ / NPT 11⁄2″ thread |
| Protection Rating | IP66 / NEMA 4X |
Key benefits: Non-contact measurement, resistant to harsh conditions, minimal maintenance, integrated temperature compensation, HART diagnostics
Typical applications: Water treatment plants, chemical storage tanks, open channel flow measurement, oil & gas, food & beverage, mining bulk solids
Lifecycle: Active product, long-term availability guaranteed by Siemens
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.







Daniel W. –
Very sturdy enclosure, IP rating seems genuine. Good value for money.