Description
Product Introduction
ES‑PE liquid leak detection sensor provides precise liquid leakage monitoring for industrial environments. Adopting optical sensing principle, it rapidly triggers alarm once liquid touches the probe. Capable of detecting tiny liquid volume as low as 1 ml, this sensor works for water, oil, acid‑alkali solutions and organic solvents. Compact‑sized, easy‑to‑install design delivers stable performance in harsh conditions with fast response for early leakage warning.
Product Features
• High‑sensitivity detection: responds to minimal liquid volume of only 1 ml, response time less than 1 second
• Wide media compatibility: detects water, oil, acid‑alkali liquid, organic solvents, conductive & non‑conductive liquids
• Fast alarm trigger: instant response upon liquid contact for early‑warning against slow seepage and micro‑leaks
• Compact structure & flexible installation, saves installation space for diverse site layouts
• Outstanding stability and durability, reliable for long‑term continuous operation
• Wide operating temperature range:‑20℃ ~ +70℃, fits complex working and weather environments
• IP68 protection grade, solid housing adapts to tough industrial on‑site conditions
• NPN / PNP output options to match different automation control systems
• Effectively prevent equipment damage, liquid pollution and production interruption caused by leakage
Product Specifications
| Technical Specifications | |||
|---|---|---|---|
| Item | Model | ES‑PE NPN | ES‑PE PNP |
| General Specifications | |||
| General Specifications | Operating Temperature | -20℃~70℃(non‑freezing) | |
| Operating Humidity | 35%RH~85%RH(non‑freezing) | ||
| Storage Temperature | -20~70℃(below 65%RH ambient humidity) | ||
| Applicable Medium | Conductive & non‑conductive liquids: water, oil, acid/alkali solution, organic solvent etc. | ||
| Leak Detection Performance | Min. detectable leakage:1mL, alarm response<1s | ||
| Housing Material | PP | ||
| Protection Rating | IP Rating | IP68 (per IEC standard) | |
| Power Supply | |||
| Power Supply | Operating Voltage | 5V~24V DC ±10% | |
| No‑load Current | ≤4mA | ||
| Output Specifications | |||
| Output Spec | Switch Capacity | Sink current ≤50mA
Withstand:30VDC (Overcurrent protection built‑in) |
Source current ≤50mA
Withstand:30VDC (Overcurrent protection built‑in) |
| Residual Voltage | ≤1.0V | ≤2.0V | |
| Operation Status | |||
| Operation | LED & Output | Normal:Green ON,Red OFF,Output OFF
Leakage:Green OFF,Red ON,Output ON |
|







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