Description
Product Description
HONEYWELL 3090A is an explosion-proof variable reluctance speed sensor (VRS) designed for industrial and hazardous environment applications, specializing in accurate speed detection of metal gear teeth and rotating components. HONEYWELL 3090A features a passive VRS design with sine wave output, eliminating the need for external power supply and ensuring reliable operation in harsh conditions. HONEYWELL 3090A adopts a 18mm stainless steel sleeve housing, providing robust protection against corrosion, impact, and extreme temperatures ranging from -73°C to 93°C. HONEYWELL 3090A supports a maximum detection frequency of 40kHz, making it suitable for high-speed rotating machinery in aerospace, industrial control, and hazardous location scenarios. HONEYWELL 3090A is equipped with lead wire terminals for secure wiring connections, integrating seamlessly with industrial control systems and safety monitoring setups. HONEYWELL 3090A leverages Honeywell’s advanced magnetoresistive technology, replacing traditional inductive sensors with enhanced precision and durability for long-term use in critical operations.
Product Parameters
| Parameter | Details |
|---|---|
| Module Type | Explosion-Proof Variable Reluctance Speed Sensor (HONEYWELL 3090A) |
| Core Function | Speed detection of metal gear teeth/rotating components; high-frequency measurement; hazardous environment compatibility |
| Sensor Type | Passive VRS (Variable Reluctance Sensor) |
| Output Type | Sine wave |
| Actuator Compatibility | Ferrous metal gear teeth |
| Maximum Frequency | 40kHz |
| Operating Temperature Range | -73°C to 93°C |
| Sleeve Size | 18mm |
| Housing Material | Stainless steel |
| Terminal Type | Lead wire connections |
| Voltage Rating | 60V |
| Installation Style | Panel-mounted |
| Key Feature | Explosion-proof design for hazardous locations |
| Compliance | Industrial explosion-proof and speed sensor standards |
Advantages and Features
- Explosion-Proof Reliability: HONEYWELL 3090A’s explosion-proof rating enables safe operation in hazardous environments like oil refineries, chemical plants, and mining facilities.
- Passive Design Convenience: No external power supply required due to passive VRS technology, simplifying installation and reducing failure points.
- Extreme Temperature Adaptability: Operates reliably from -73°C to 93°C, suitable for both cryogenic and high-heat industrial scenarios.
- High-Frequency Detection: 40kHz maximum frequency supports accurate speed measurement of high-speed rotating machinery and fast-moving components.
- Durable Construction: 18mm stainless steel sleeve resists corrosion, impact, and wear, ensuring long service life in harsh industrial conditions.
- Precision Magnetoresistive Technology: Replaces traditional inductive sensors with enhanced accuracy for critical speed monitoring and control applications.
Application Cases in Application Fields
- Oil Refinery Pump Speed Monitoring: HONEYWELL 3090A detected the speed of crude oil transfer pump gears in an explosion-proof area, providing real-time data to the control system and reducing equipment failure downtime by 35%.
- Aerospace Rotating Component Testing: It measured the rotational speed of aircraft engine auxiliary components, leveraging -73°C to 93°C temperature resistance to adapt to extreme flight conditions.
- Mining Conveyor Belt Control: HONEYWELL 3090A monitored the speed of conveyor belt drive gears in a coal mine, using its explosion-proof design to comply with underground safety standards and prevent over-speed accidents.
- Industrial Boiler Fan Speed Regulation: It integrated with boiler control systems to detect fan rotation speed, supporting 40kHz high-frequency measurement for precise airflow adjustment and energy efficiency optimization.
Comparisons with Competing Products
| Parameter | HONEYWELL 3090A | Siemens 3RG4023-3AG00 | ABB 266HS |
|---|---|---|---|
| Module Type | Explosion-proof VRS speed sensor | Inductive proximity speed sensor | Hall effect speed sensor |
| Sensor Technology | Variable Reluctance (passive) | Inductive (active) | Hall effect (active) |
| Explosion-Proof Capability | Yes | No | Optional |
| Operating Temperature | -73°C to 93°C | -25°C to 70°C | -40°C to 125°C |
| Maximum Frequency | 40kHz | 20kHz | 30kHz |
| Power Requirement | Passive (no external power) | Active (24VDC) | Active (12-24VDC) |
| Housing Material | Stainless steel | Plastic/metal hybrid | Aluminum alloy |
| Target Compatibility | Ferrous metal gear teeth | Ferrous/non-ferrous metals | Magnetic targets |
Selection Suggestions and Precautions
Selection Suggestions
- Choose HONEYWELL 3090A for speed detection in hazardous environments or applications requiring passive operation, extreme temperature resistance, and high-frequency measurement.
- Prioritize it for oil & gas, mining, aerospace, and industrial boiler applications where explosion-proof compliance and reliable speed monitoring of metal components are critical.
Precautions
- Ensure the target component is ferrous metal gear teeth to maintain detection accuracy of HONEYWELL 3090A.
- Avoid exceeding the 40kHz maximum frequency limit to prevent signal distortion and measurement errors.
- Secure lead wire connections tightly to avoid loose contacts in vibrating industrial environments.
- Operate within the specified temperature range (-73°C to 93°C) to protect the sensor’s stainless steel housing and internal components.
- Follow explosion-proof installation guidelines and safety standards for hazardous location deployments to ensure compliance and operational safety.

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PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
After-sales service: Yes, 24/7 hours
Email: sales@plcfcs.com
Phone:+86 15343416922
Wechat:+86 15343416922
PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
After-sales service: Yes, 24/7 hours




Email: jiedong@sxrszdh.com
Phone / Wechat:+86 15340683922
Wechat:+86 15343416922