With a corrosion-resistant stainless steel body, you can ensure durability in harsh industrial environments compared to traditional plastic-bodied sensors.*
With an open collector output design, you can easily integrate the sensor into existing circuits or microcontroller systems without complex wiring setups.*
With precise RPM measurement capabilities, you can achieve 10% higher accuracy in engine speed monitoring compared to standard sensors, ensuring optimal performance.*
The threaded mounting design allows secure installation in tight engine compartments, ensuring reliable operation in commercial diesel generators versus sensors with less robust mounting options.*
With an IP67 rating, the sensor meets industrial safety standards for protection against dust and water, outperforming non-certified alternatives in harsh conditions.*
The Diesel Engine RPM Sensor Speed Sensor 213272 is a rugged magnetic proximity sensor designed for precise rotational speed monitoring in diesel engine systems. Its stainless steel construction and open collector output enable reliable performance in harsh environments, while the threaded mounting ensures secure installation. Ideal for industrial generators, automotive applications, and machinery control systems, this sensor provides real-time RPM data to optimize engine efficiency and prevent operational failures.
Feature | Specification | Application Scenario |
---|---|---|
Material Composition | Stainless Steel Body, Durable Rubber Cable | Harsh industrial environments, outdoor use |
Output Type | Open Collector (3-Wire Configuration) | Direct integration with microcontrollers |
Mounting System | Threaded End (M8/M12 Compatible) | Secure installation on engines or machinery |
Environmental Resistance | IP67 Rated, -40°C to +125°C | Extreme temperature and moisture exposure |
Adjustable parameters include:
Monitor engine RPM in real time to prevent overheating in generators, optimize fuel consumption in heavy machinery, or trigger alarms in robotics systems. With its magnetic detection capability, this sensor ensures seamless integration into existing diesel engine setups.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Detection Range (RPM) | 0–3000 | +15% (0–3450 RPM) | +30% (0–3900 RPM)* |
Response Time | 50 ms | 20% Faster (40 ms) | 10 ms (Premium) |
Operating Temp. Range | -20°C to 85°C | -30°C to 105°C | -40°C to 125°C |
Three Technical Breakthroughs:
Optimal Version Selection:
Example: With the Pro Model’s 10 ms response time, you can achieve millisecond-level RPM monitoring, reducing downtime in heavy machinery. Paired with its IP67 rating, this sensor ensures uninterrupted operation even in dusty or wet conditions.
Note: "" indicates Pro Model exceeds industry benchmarks by 30% in detection range compared to standard sensors.*
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Accuracy | Engine diagnostics, performance tuning | Industry Standard: ±2% at 1800 RPM (SAE J1939) Our Base: ±1% Our Advanced: ±0.5% (ISO 1540) | ▲ Base improves precision for diagnostics; ▲ Advanced meets high-end OEM specs | Industry Standard may miss critical RPM deviations; Advanced adds cost (+20%) |
Operating Temperature | Mining, construction vehicles | Industry: -25°C to 100°C Base: -30°C to 110°C Advanced: -40°C to 125°C (IEC 60068) | ▲ Advanced withstands Arctic/Desert extremes; Base covers most industrial use | Industry Standard fails in extreme climates; Advanced requires robust cooling |
Water Resistance | Marine engines, outdoor generators | Industry: IP54 (dust/water splashes) Base: IP65 (jet water) Advanced: IP67 (immersion) | ▲ Advanced resists submersion; Base handles rain/spray | Industry Standard risks water damage; IP67 adds bulk/cost (+15%) |
Output Signal | Modern ECUs, digital control systems | Industry: Analog (0-5V) Base: Analog + PWM Advanced: CAN Bus (ISO 11898) | ▲ Advanced integrates with CAN-based systems; Base supports legacy/PWM setups | Industry Standard needs analog-to-digital converters; CAN requires firmware updates |
Mounting Flexibility | Custom engine builds, retrofit projects | Industry: Threaded only Base: Threaded + Universal Clamp Advanced: Custom Brackets + Adapters | ▲ Advanced fits non-standard engine layouts; Base reduces installation time | Industry Standard limits installation options; Advanced brackets add weight |
Compatibility | OEM replacements, multi-engine fleets | Industry: 5 common engine models Base: 10+ models Advanced: 20+ models (SAE J1939-81) | ▲ Advanced reduces inventory costs for diversified fleets; Base covers mainstream brands | Industry Standard may require manual calibration; Advanced certification delays |
⭐⭐⭐⭐⭐ James Carter - Industrial Maintenance Engineer
"We’ve integrated the Diesel Engine RPM Sensor 213272 into our backup generator systems at a data center in Chicago. The stainless steel body has held up flawlessly through humidity swings and temperature extremes. Installation was straightforward thanks to the M12 threaded mount, and the open collector output connected seamlessly to our PLC system. After 5 months of continuous use, we haven’t had a single dropout or false reading. Precision is noticeably better than our previous plastic-sensor setup—accuracy within 1% even at peak load."Purchase Date: October 2024 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Elena Rodriguez - Marine Diesel Technician
"Installed the Pro Model of this RPM sensor on a commercial fishing vessel’s auxiliary diesel generator. Being exposed to salt spray and constant vibration, most sensors fail within a year. This one? Still going strong after 8 months. The IP67-rated construction and rubber-coated cable are game-changers. We customized the cable length to 4 meters so we could route it away from hot engine zones—excellent flexibility. Response time is sharp, and our engine control unit logs RPM data with no lag. For marine applications, this is now my go-to sensor."Purchase Date: February 2025 | Usage Period: 3 months
⭐⭐⭐⭐☆ David Park - Fleet Operations Manager
"We retrofitted 12 excavators and bulldozers with the Advanced Model of the 213272 RPM sensor across our construction fleet. Needed something that could survive dust, mud, and sub-zero starts on job sites in northern Alberta. So far, so good—7 months in, and only one unit replaced under warranty (mounting thread damage during servicing, not sensor failure). The -40°C to +125°C operating range is no exaggeration; it performs reliably even after prolonged idling in winter. Integration with our telematics system was smooth thanks to the 3-wire open collector output. Only reason I’m not giving 5 stars? Would love an optional IP69K rating for high-pressure washdown scenarios."Purchase Date: August 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Linda Wu - Homeowner / Off-Grid Enthusiast
"I installed the Base Model on my home diesel generator used for off-grid power in rural Montana. As a DIYer, I was worried about compatibility with my Arduino-based monitoring system. The open collector design made interfacing simple, and the included wiring guide helped a lot. Mounting was secure using the M8 thread—no wobble even during high-vibration runs. It’s been 4 months through snow and summer storms, and the sensor hasn’t missed a beat. RPM data is consistent, helping me optimize fuel usage. For residential backup systems, this sensor punches way above its price point."Purchase Date: January 2025 | Usage Period: 4 months
⭐⭐⭐⭐⭐ Thomas Reed - Automation Systems Specialist
"We use the Pro Model in our automated production line to monitor RPM on diesel-driven hydraulic pumps. With a 10 ms response time, it delivers near real-time feedback to our control system, which is critical for maintaining process stability. We customized the pulse output to match our legacy controller’s input requirements—support team was responsive and provided full specs upfront. After 6 months of 24/7 operation, all 18 units remain fully functional despite constant exposure to oil mist and metal shavings. The corrosion-resistant stainless steel truly sets it apart from cheaper alternatives that degrade within weeks."Purchase Date: September 2024 | Usage Period: 7 months
Average Rating: 4.9/5 ⭐ (89 Reviews)
Dr. Alan Foster - Senior Sensor Applications Engineer
"The 213272 series stands out in the industrial RPM sensing market due to its material durability and signal reliability. Its open collector output eliminates the need for level-shifting circuits, reducing system complexity. In field tests, the Pro Model demonstrated superior thermal stability and EMI resistance—critical for diesel engine environments. For OEMs and system integrators, this sensor offers both performance headroom and long-term cost savings through reduced maintenance."
Maria Gonzalez - Power Systems Diagnostics Expert
"After evaluating over 30 RPM sensors for generator monitoring applications, I consistently recommend the 213272—especially the Advanced and Pro Models. Its ±0.5% accuracy and wide temperature tolerance meet or exceed OEM diagnostic standards. The ability to customize thread size and cable length makes it ideal for retrofit projects where off-the-shelf sensors often fail to fit. A reliable, future-proof solution for both commercial and industrial use."
Posted: 2 days ago
"Used the Pro Model in our emergency generator bay. Real-time RPM tracking has improved our predictive maintenance alerts. Build quality is exceptional—no issues with condensation or electrical noise. Highly recommend for critical infrastructure."
Posted: 1 week ago
"Paired the sensor with a Raspberry Pi control system for a client’s mining equipment. The documentation was clear, and the output signal worked perfectly out of the box. Custom cable length option saved us hours of field modification."
Posted: 3 weeks ago
"Installed on a remote telecom generator in a desert environment. Handles heat and dust better than expected. Only suggestion: include a small mounting alignment tool to speed up field installs."
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