Description
RPS-429A-IS Intrinsically Safe Ultrasonic Sensor
The RPS-429A-IS Intrinsically Safe Ultrasonic Sensor is a robust, non-contact sensing solution designed for accurate level and distance measurement in hazardous and explosive environments. As part of Migatron’s third generation of intrinsically safe ultrasonic sensors, the RPS-429A-IS is engineered for demanding industrial applications where safety, reliability, and performance are critical.
When installed with an approved intrinsic safety barrier, the RPS-429A-IS can be safely used in hazardous gas and dust environments classified as Zone 0, 1, 2, 20, 21, or 22 under ATEX, IECEx, and ANZEx standards, as well as Class I, II, or III hazardous locations under UL and cUL requirements. Its sealed industrial enclosure provides dependable performance in harsh environments commonly found in oil & gas, mining, petroleum, and chemical processing facilities.
Key Features
✅ Intrinsically safe ultrasonic sensor for hazardous area applications
✅ Non-contact level and distance measurement technology
✅ 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
✅ Available with 4–20 mA current output or 1–5 V analog voltage output
✅ Built-in temperature compensation for measurement stability
✅ Designed for integration with PLCs and industrial control systems
RPS-429A-IS Technical Specifications
| Specification | Details |
| Model | RPS-429A-IS |
| Power Input | 14 - 30 VDC with reverse polarity protection |
| Minimum Voltage at Sensor | 14.0VDC |
| Input Current (Analog Current) | 22mA maximum (RPS-429AA-IS) |
| Input Current (Analog Voltage) | 5mA maximum (RPS-429AV-IS) |
| Operating Temperature Range | -40°C to +60°C (-40°F to +140°F) |
| Humidity | 0 - 96% Non-Condensing |
| Enclosure Material | Polyvinyl Chloride (PVC) |
| Enclosure Rating | IP66/IP67 |
| Temperature Compensation | Yes |
| Approval Standards | ATEX, C-UL-US, IECEx |
| Additional Certifications | DEMKO 12 ATEX 1103028X; IECEx UL 12.0001X |
| Ambient Temperature Code | T4 (up to +60°C) |
| Mounting Considerations | M30 x 1.5 thread, avoid direct metal contact in a 13mm zone |
| Accessories | M12 Cables, ZSB-409A Zener Safety Barrier, DIN Rail Grounding Block, 1/8 DIN Digital Panel Meter with 4 Relays |
| Sensor Connection | M12 Receptacle (A-coded) |
| Cable Types | 2 and 4 Conductor (IP69-rated) |
| Short Circuit Protection | Yes |
Model Options Specifications Table (RPS-429A-IS)
| Model Number | Sensor Range | Response Time | Transducer Frequency | Voltage per Inch |
|---|---|---|---|---|
| RPS-429AA-40P-IS2 | 4 - 40" | 100ms | 175kHz | 1.0V @ 4" to 5.0V @ 40" |
| RPS-429AA-40P-IS3 | 6 - 80" | 100ms | 135kHz | 1.0V @ 6" to 5.0V @ 80" |
| RPS-429AA-80P-IS2 | 4 - 40" | 100ms | 175kHz | 1.0V @ 4" to 5.0V @ 40" |
| RPS-429AA-80P-IS3 | 6 - 80" | 100ms | 135kHz | 1.0V @ 6" to 5.0V @ 80" |
“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 – DEMKO 12 ATEX 1103028X
Approved for hazardous gas and dust environments classified as Zone 0, 1, 2, 20, 21, and 22
🔗 IECEx Certified – IECEx UL 12.0001X
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 / cUL Certified – UL File # E226209 Approved for Class I, II, and III hazardous locations when installed in accordance with the control drawing
🔗 IP66 / IP67 Rated – Dust-tight and protected against water ingress when used with a compliant cable assembly
🔗 Download Datasheet
🔗Control Drawing – RPS-429A-IS
🔗 User Manual – RPS-429A-IS
Applications of RPS-429A-IS
🔹 Oil & Gas Facilities
🔹 Mining Operations
🔹 Petroleum Processing
🔹 Chemical Plants
🔹 Industrial Automation & Process Control
What’s in the Box?
📦 1x RPS-429A-IS 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-429A-IS certified for hazardous locations?
Yes. When used with an approved intrinsic safety barrier, the RPS-429A-IS 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, mining, and industrial applications?
Absolutely. The RPS-429A-IS is designed for harsh industrial environments, including oil & gas, mining, petroleum, and chemical facilities.
