Key Features

A liquid level sensor operates by detecting the presence or absence of material or determining the level of material within a container. This is achieved using various technologies like capacitance, ultrasonic waves, or, as in the case of radar, by measuring the time taken for a signal to bounce back from the material surface. Level sensing can be contact or non-contact-based, depending on the method employed. A radar level sensor is a device used to measure the level of liquids, solids, or slurries in various challenging industrial applications. It utilizes radar technology to determine the distance from the sensor to the surface of the material being measured.
A liquid level sensor operates by detecting the presence or absence of material or determining the level of material within a container. This is achieved using various technologies like capacitance, ultrasonic waves, or, as in the case of radar, by measuring the time taken for a signal to bounce back from the material surface. Level sensing can be contact or non-contact-based, depending on the method employed. A radar level sensor is a device used to measure the level of liquids, solids, or slurries in various challenging industrial applications. It utilizes radar technology to determine the distance from the sensor to the surface of the material being measured.
Input Pressure Range
Level ft/H₂O 14 | 20 | 34 | 54
Overpressure 14X | 14X | 10X | 10X
Output Signal | Supply
Output Signal 4–20 mA | 4–20 mA + HART 2-Wire | 0.5–4.5 VDC Ratiometric | 0–5 VDC | RS-485 3-Wire
Power Supply 4–20 mA → 24 VDC   |   0.5–4.5 VDC Ratiometric → 0.5–4.5 VDC   |   0–5 VDC → 5 VDC   |   RS-485 / HART → 24 VDC
Performance
Accuracy <±0.5% of FS
Permissible Load Rmax = ((Vs − Vsmin)/0.02 A) Ω
Influence Effects Supply: 0.05% Full Scale/10 V   |   Load: 0.05% Full Scale/kΩ
Long Term Stability <±0.1% Full Scale over One Year
Response Time <150 msec or better
Thermal Effects | Offset and Span
Thermal Drift <±0.02% FSO/K in Compensated Range   |   −20°F to 178°F   |   −28°C to 81°C
Permissible Temperatures
Storage/Media Temperatures PVC: 32° to 140°F   (0° to 60°C)   |   PP: −20° to 178°F   (−28° to 81°C)   |   PVDF: −40° to 212°F   (−40° to 100°C)   |   PTFE: −40° to 212°F   (−40° to 100°C)
Electrical Protection
Short-Circuit Protection Permanent
Reverse Polarity Protection No Damage to Sensor
Electromagnetic Compatibility Emission Immunity According to EN 61326
Electrical Connection
Jacketed Cable PTFE® Teflon®   −40° to 200°F   (−40° to 93°C)
Cable 3-Wire Cable with Integrated Air Tube for Reference to Atmospheric Pressure
Materials | Wetted
Housing PVC | PP | PVDF | PTFE Teflon®
Seal FFKM – Kalrez®
Diaphragm Pure Ceramic 99.9% Al
General
Current Consumption Max. 25 mA
Weight | Grams 316 SS: 875 g
Ingress Protection IP 68 | NEMA 4X
CE-Conformity EMC Directive: 2004/108/EC

Applications

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