Description
RPS-409A-IS2 Intrinsically Safe Ultrasonic Sensor
The RPS-409A-IS2 Intrinsically Safe Ultrasonic Sensor is a robust, non-contact sensing solution engineered for reliable operation in hazardous and explosive environments. Designed for global industrial applications, this intrinsically safe sensor is suitable for oil & gas, mining, petroleum, chemical processing, and other industries where safety, durability, and measurement reliability are critical.
When installed with an approved intrinsic safety barrier, the RPS-409A-IS2 can be safely used in hazardous gas and dust environments classified as Zone 0, 1, 2, 20, 21, or 22, as well as Class I, II, or III locations. Its fully sealed IP67-rated enclosure ensures dependable performance in harsh industrial conditions, including exposure to dust, moisture, and extreme environments.
Key Features
✅ Intrinsically safe ultrasonic sensor for hazardous area applications
✅ Approved for gas and dust hazardous environments when used with an IS barrier
✅ Suitable for Zone 0, 1, 2, 20, 21, and 22 classified areas
✅ Compatible with Class I, II, and III hazardous locations
✅ IP67-rated sealed enclosure for harsh industrial environments
✅ Non-contact level and distance measurement technology
✅ Reliable operation for mining, petroleum, and industrial process applications
RPS-409A-IS2 Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Intrinsically Safe Ultrasonic Sensor |
| Measurement Method | Non-contact ultrasonic sensing |
| Hazardous Area Rating | Zone 0, 1, 2, 20, 21, 22 / Class I, II, III (with approved IS barrier) |
| Power Supply | 16–30 V DC (via intrinsic safety barrier) |
| Maximum Input Voltage | 30 V DC (entity parameter) |
| Output Type | Analog output (model dependent) |
| Connector Type | M12, 4-pin (female) |
| Operating Temperature | -40 °C to +60 °C (-40 °F to +140 °F) |
| Enclosure Rating | IP67 (with compliant cable assembly) |
| Enclosure Material | PPS or PVC (depending on model variant) |
| Installation Requirement | Must be installed per control drawing and local electrical codes |
| Intrinsic Safety Requirement | Approved intrinsic safety barrier required (sold separately) |
| Typical Applications | Oil & gas, mining, petroleum, chemical processing, industrial automation |
Model Options Specifications Table (RPS-409A-IS2)
| Model Number | Sensor Range | Transducer Frequency | Response Time | Volts Per Inch |
|---|---|---|---|---|
| RPS-409A-40-IS2 | 4–40" | 175 kHz | 100 ms | 0.250 |
| RPS-409A-80-IS2 | 6–80" | 135 kHz | 100 ms | 0.125 |
| RPS-409A-40P-IS2 | 4–40" | 175 kHz | 100 ms | 0.250 |
| RPS-409A-80P-IS2 | 6–80" | 135 kHz | 100 ms | 0.125 |
“P” indicates PVC enclosure. Please refer to the datasheet for full configuration details.
Certifications & Compliance
🔗 Intrinsically Safe Design – Approved for use with an intrinsic safety barrier when installed per the control drawing
🔗 ATEX Certified– II 1 GD Ex ia IIC T4 Ga / Ex ia IIIC T101°C Da
Approved for hazardous gas and dust environments classified as Zone 0, 1, 2, 20, 21, and 22
🔗 IECEx Certified – Ex ia IIC T4 Ga / Ex ia IIIC T101°C Da
Approved for global hazardous area installations when used with an approved IS barrier
🔗 ANZEx Certified – Approved for mining, gas, and dust hazardous locations in Australia and New Zealand
🔗UL-US Certificate of Compliance (North America) – UL 913
Approved for Class I, II, and III hazardous locations when installed in accordance with the control drawing
🔗 IP67 Rated – Dust-tight and protected against water immersion when used with a compliant cable assembly
🔗Download Datasheet
🔗Control Drawing – RPS-409A-IS2
🔗User Manual – RPS-409A-IS2
Applications of RPS-409A-IS2
🔹 Oil & Gas Facilities
🔹 Mining Operations
🔹 Petroleum Processing
🔹 Chemical Plants
🔹 Industrial Automation & Process Control
What’s in the Box?
📦 1x RPS-409A-IS2 Intrinsically Safe Ultrasonic Sensor
📦 Documentation Kit
Ordering & Shipping Details
📦 Lead Time: 1 week
📍 Shipping Terms: Worldwide shipping available
💳 Payment Options: Credit Card, PayPal, Net 30 Terms (subject to approval)
FAQs
Is the RPS-409A-IS2 certified for hazardous locations?
Yes. When used with an approved intrinsic safety barrier, the RPS-409A-IS2 is suitable for hazardous gas and dust environments classified as Zone 0, 1, 2, 20, 21, 22, and Class I, II, or III.
Does this sensor require an intrinsic safety barrier?
Yes. An approved intrinsic safety barrier is required for safe operation in hazardous areas.
Is this sensor suitable for oil & gas and mining applications?
Absolutely. The RPS-409A-IS2 is designed for harsh industrial environments, including oil & gas, mining, and petroleum facilities.





























