💡 Key Summary: Intrinsically Safe Electronic Leak Point Sensor – For Organic Solvents & Oils
YHSP-SA-Ex is an intrinsically safe electronic leak point sensor designed for chemical-family specific detection of organic solvents and oils on-site. Its Ex ia intrinsically safe design (Ex ia IIC T6, KCs certified) is suitable for hazardous areas when used in an intrinsically safe circuit. It detects organic solvents and oil-based chemicals without responding to water. Response time is 2 to 60 seconds, depending on the chemical. The replaceable YHS-FS floor sensor cartridge allows the sensor body to remain installed, supports quick field replacement and reduces maintenance costs.
🛡️ KCs Intrinsically Safe Certification | Ex ia IIC T6
Chemical-family specific detection for organic solvent & oil leaks, without responding to water
YHSP-SA-Ex: chemical family detection, fast response and a replaceable sensor cartridge
Detects leaks within 2 to 60 seconds, depending on the chemical. The YHSP-SA-Ex intrinsically safe electronic leak point sensor detects organic solvents and oils without responding to water and operates with the required MTL7760ac Zener barrier and a compatible YOOHANTECH leak detection control module.
🔬 Optimized Detection by Chemical Family (Organic Solvents & Oils)
• Designed for chemical-family specific detection of organic solvents and oils without responding to water. Typical detection media include THF, acetone, IPA, toluene, MEK and xylene.
🔧 Replaceable Sensor Cartridge (Cost Saving)
• The YHS-FS floor sensor cartridge is replaceable while the sensor body remains installed. This supports quick field replacement and reduced maintenance costs.
🛡️ Intrinsically Safe Design (Ex ia)
• KCs-certified Ex ia IIC T6 design is suitable for hazardous areas. Use the sensor only in an intrinsically safe circuit.
💡 Control Module Integration
• Operates with the MTL7760ac Zener barrier and a YOOHANTECH leak detection control module. Select either YHSM-01S-A (1 channel) or YHSM-04S-A (4 channels).
⚙️ Intrinsically Safe Leak Detection System Configuration (System Configuration)
• Intrinsically Safe Ex ia Protection
Use the sensor only in an intrinsically safe circuit. KCs intrinsic safety certification: Ex ia IIC T6, Certificate No. 25-AV2BO-0187X. Refer to the YHSP-SA-Ex Sensor Wiring Guide for detailed wiring instructions.
• Required System Components
The YHBK-P02 protective housing, YHWS-P02 grounding and positioning base, and MTL7760ac Zener barrier are required. Use either a YHSM-01S-A (1-channel) or YHSM-04S-A (4-channel) leak detection control module.
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| Item | Details |
| Model | YHSP-SA-Ex |
| Operating Voltage | DC 2.5 V |
| Measurement Range | • A1: 0 ~ 100.0 MΩ • A2: 0 ~ 60.00 MΩ • A3: 0 ~ 6.000 MΩ |
| Output | Level Shift |
| Detection Media | Organic solvents and oil-based chemicals, including NMP, MEK, toluene, and gasoline |
| Sensor Dimensions | 68 × 68 × 32 (±0.5) mm |
| Overall Dimensions | 178 × 80 × 34 (±0.5) mm |
| Materials | SUS 304, PP, carbon, etc. |
| Operating Environment | Around tanks and piping in industrial facilities Suitable for indoor and outdoor use |
| Operating Temperature | -20 to +55 °C |
| Response Time | 2 to 60 seconds (depending on the chemical) |
| Typical Detection Media | Oils, organic solvents, and VOCs: insulating oil, engine oil, OMCTS, tar oil, TDA, TDI, benzene, xylene, etc. |
| Sensor Wiring | 2-wire sensor: White (+), Black (−) |
| Certification | KCs Intrinsic Safety Certification — Ex ia IIC T6 Certificate No. 25-AV2BO-0187X Certification Body: KOSHA |
| Intrinsic Safety Parameters | Ui = 10 V; Ii = 200 mA; Pi = 0.5 W Li = 0.4 mH (with 160 m cable) Ci = 33.6 nF (with 160 m cable) Ta: -20 to +55 °C |
| Key Points | • Chemical family detection: organic solvents and oil-based chemicals • No response to water • Control module integration: MTL7760ac barrier with either YHSM-01S-A or YHSM-04S-A • Replaceable YHS-FS cartridge: sensor body remains installed; reduced maintenance costs • Intrinsically safe design: Ex ia IIC T6; use only in an intrinsically safe circuit |
Industry-Specific Leak Detection Proposals
Semiconductors · Petrochemicals · Oil Refining · Batteries · Power Generation · Steel · Warehousing · Wastewater Treatment · Defense
View Installation Case Studies
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🔹YHSM-01S-A (1-Channel Leak Detection Control Module) |
🔹YHSM-04S-A (4-Channel Leak Detection Control Module) |
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🔹YHS-FS (Floor Sensor Cartridge — Replacement) |
🔹YHWS-P02 (Grounding & Positioning Base — Required) |
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🔹MTL7760ac (Zener Barrier — Required) |
YHBK-P02 Dedicated Protective Housing, YHWS-P02 Grounding & Positioning Base, and MTL7760ac Zener Barrier are required.
Select either the YHSM-01S-A (1-channel) or YHSM-04S-A (4-channel) control module.
YHS-FS is an optional replacement floor sensor cartridge.
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