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Siemens 7ML1201-1EF00 The Probe Level Meter
Product Description
The Siemens 7ML1201-1EF00 is a short-range, integrated ultrasonic level transmitter from the SITRANS The Probe series, designed for continuous, non-contact measurement of liquids and slurries in open or closed containers . This 2‑wire, loop‑powered device features a measuring range of 0.25 to 5 meters with a built‑in temperature compensation for accurate readings across varying ambient conditions . The sensor is constructed from durable PVDF copolymer, ensuring excellent chemical resistance for broad industrial applicability . The device incorporates patented Sonic Intelligence™ echo‑processing technology to reliably distinguish true level echoes from false signals caused by noise or agitator blades . It is designed for quick installation and maintenance, making it ideal for applications in chemical tanks, filter beds, sumps, and food processing .
Product Data & Specifications Table
| Parameter | Value/Details |
|---|---|
| Manufacturer | Siemens |
| Part Number (MLFB) | 7ML1201-1EF00 |
| Product Family | SITRANS The Probe |
| Measurement Principle | Ultrasonic Level Measurement |
| Measuring Range | 0.25 … 5 m |
| Output Signal | 4 … 20 mA, 2-wire |
| Power Supply | 12 … 28 V DC |
| Max. Load | 600 Ω at 24 V DC |
| Accuracy (Measurement Error) | 0.25% of measuring range (in air) |
| Resolution | 3 mm |
| Beam Angle | 12° |
| Sensor Material | PVDF Copolymer |
| Enclosure Material | PVC |
| Process Connection | 2″ NPT |
| Ambient Temperature | -40 … +60 °C |
| Degree of Protection | IP65 |
| Weight | Approx. 1.5 kg |
| Approvals | CE, CSA, FM |
| Product Lifecycle Status | Discontinued (PM490: 2017-09-08 |
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