Product Overview
The SensorsX SX-LDNB Series provides capacitive point-level detection for liquids, powders and granular solids. Changes in capacitance are detected as the process material reaches the sensing probe and are converted into a switching output. With adjustable sensitivity and a range of electrode, mounting and temperature configurations, the series can be adapted to a wide variety of process applications.
Main Features
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Suitable for many liquids, powders and granular solids.
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Integrated or remote electronics.
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Standard and high-sensitivity configurations.
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Optional adjustable delay from 0.2 to 50 s.
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Threaded and flanged process connections.
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Standard, hanging, corrosion-resistant, flat-plate and antistatic electrodes.
- Process-temperature variants from -20 °C to +800 °C, depending on construction.
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Continuously adjustable sensitivity for reliable switching with different media.
Product Application
Industries Served
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Hazardous & High-Temperature
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Tank high/low-level alarm
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Intrinsically safe area installations
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Hopper Overfill Protection
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High-temperature process vessels
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Corrosive-media detection (corrosion
resistant electrode)
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Technical Data
| Measurement |
| Product Type |
Capacitive Point Level Switch |
| Measurement Principle |
Capacitive point-level detection |
| Measured Media |
Liquids, powders and bulk solids |
| Media Conductivity |
Conductive and insulating media |
| Sensitivity |
Standard sensitivity for conductive media; high sensitivity for insulating media with εr > 3.0 |
| Sensitivity Adjustment |
Continuously adjustable |
| Output & Control |
| Output Signal |
SPDT relay or NPN / PNP transistor output |
| Relay Rating |
5 A at 250 VAC |
| Time Delay |
Optional adjustable delay, 0.2–50 s |
| Electronics Configuration |
Integrated or remote |
| Power & Electrical |
| Supply Voltage |
24 VDC / 220 VAC / Universal 24 VDC or 220 VAC |
| Cable Entry |
M20 × 1.5 |
| Environmental & Process Conditions |
| Ambient Temperature |
−20 to +60 °C |
| Process Temperature |
−20 to +80 °C standard; configurations available up to +800 °C |
| Operating Pressure |
Typically −1 to +10 bar; configuration-dependent; atmospheric for selected variants |
| Mechanical & Materials |
| Process Connection |
PT / PF / NPT / GAS threads; ASME B16.5 Class 150 / 300 and EN 1092 PN6–PN63 flanges |
| Nominal Size |
DN20–DN150 (3/4 in to 6 in) |
| Wetted Materials |
Stainless steel with UPE, PTFE or ceramic; PP or PVDF depending on electrode configuration |
| Housing Diameter |
Ø103 mm reference |
| Insertion Depth |
200 / 300 / 400 mm standard options; customizable |
| Explosion Protection |
None / Explosion-proof enclosure / Intrinsically safe |
