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B2B buyer comparison
Start with capacitive sensing when a compatible contact probe fits the vessel and medium. Start with ultrasonic for non-contact liquid measurement, then confirm range and process limits in the current datasheet.
These comparison points support initial selection. Confirm numeric values, configuration, document scope, and commercial terms in the current controlled datasheet and formal quotation.
| Decision point | AM-CL100 Capacitive Level Sensor | AM-UL20 Ultrasonic Level Sensor | Buyer guidance |
|---|---|---|---|
| Commercial basis | Project quotation required | Project quotation required | Confirm configuration, quantity, documentation, freight, and validity in writing. |
| MOQ / schedule | Confirmed after configuration review | Confirmed after configuration review | State first-order quantity, annual volume, destination, and target date in the RFQ. |
| Measurement principle | Contact capacitive probe | Non-contact ultrasonic | Use non-contact measurement when the sensor must not touch the medium. |
| Measuring range | Confirm AM-CL100 configuration | Confirm AM-UL20 configuration | Confirm range, dead zone, mounting, and process limits in the quoted datasheet. |
| Accuracy requirement | Confirm against project range | Confirm against project range | State the required error basis and operating conditions; verify the value in the current datasheet. |
| Best-fit media | Oil, water, chemicals, and some bulk solids | Clean water and compatible chemical liquids | Confirm dielectric behavior for capacitive probes and foam or vapor for ultrasonic sensors. |
| Wetted material | 304/316L SS, PP, or PVDF | PVDF transducer | Send the medium name and concentration for a compatibility check. |
| Output | 4-20mA / RS485 Modbus | 4-20mA / RS485 Modbus | Both integrate with common PLC and SCADA systems. |
Request the documents needed for acceptance and verify their revision, scope, identifiers, and approval status for the exact model and configuration.
Ultrasonic is usually the simpler non-contact choice for clean water tanks. Capacitive sensing is useful when a probe is acceptable or when material and vessel geometry favor contact measurement.
Heavy foam or dense vapor can weaken ultrasonic signals. A capacitive probe may be more stable if buildup is controlled; for demanding non-contact duty, consider 80GHz radar.
MOQ, sample availability, and schedule depend on configuration, testing, documentation, quantity, and destination. They are confirmed in the project quotation.
Send your operating conditions and target quantity. We will confirm the model, configuration, price, and lead time in one quotation.
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