AI-Tek 70085-1010-417 | Explosion-Proof Passive Sensor

AI-Tek Instruments 70085-1010-417 FM/ATEX Certified Passive Speed Sensor

The 70085-1010-417 provides explosion-proof speed monitoring for hazardous industrial environments. This AI-Tek passive sensor carries both FM and ATEX certifications for safe operation in classified areas while maintaining reliable performance in extreme temperature conditions.

Product Overview

This certified passive speed sensor is engineered for use in potentially explosive atmospheres. It features extended temperature capability and robust construction to meet stringent safety standards without compromising performance.

Certification & Compliance

• FM Approval: Certified for hazardous locations
• ATEX Certification: Compliant with European directives
• Hazardous Area Classification: Class I, Division 1 & 2
• Temperature Class: T4 rating
• Equipment Protection Level: EPL Gb

Core Specifications

• Manufacturer: AI-Tek Instruments (Airpax)
• Part Number: 70085-1010-417
• Sensor Type: Passive Speed Sensor
• Technology: Passive (Self-generating)
• Condition: New Original Factory Packing
• Termination Type: Integrated Cable

Physical Dimensions

• Thread Size: 5/8-18 UNF-2A
• Thread Length: 4.000 inches (101.6 mm)
• Sensor Length: 5.250 inches (133.35 mm)
• Housing Diameter: 0.875 inches (22.23 mm)
• Shipping Weight: 1.5 kilograms
• Cable Length: 18 feet (5.49 meters)

Electrical Performance

• Output Guarantee Voltage: 13.4 volts peak to peak minimum
• Standard Output Voltage: 85 volts peak to peak typical
• DC Resistance: 280 ohms maximum
• Typical Inductance: 75 millihenries
• Frequency Response: 10 Hz to 3,800 Hz
• Measurement Range: 0 to 10,000 RPM
• Response Time: 5 milliseconds maximum
• Output Linearity: ±1.8% of full scale
• Minimum Load Impedance: 12k ohms

Environmental Specifications

• Operating Temperature: -55°C to +220°C
• Storage Temperature: -65°C to +240°C
• Ingress Protection: IP67 rated
• Housing Material: Stainless steel 316L
• Cable Type: High-temperature silicone shielded
• Mounting Torque: 22 ft-lbs maximum
• Vibration Resistance: 12g from 10-2000 Hz
• Shock Resistance: 40g for 11 milliseconds
• Humidity Range: 0% to 100% non-condensing

Target Specifications

• Target Material: Ferromagnetic materials
• Optimal Gap Range: 0.3 to 1.2 millimeters
• Gear Tooth Count: 24-96 teeth recommended
• Target Speed: 100 to 10,000 RPM
• Minimum Tooth Width: 2.5 millimeters
• Target Thickness: 4.0 millimeters minimum

Safety Features

• Intrinsically safe design for hazardous areas
• Spark-proof construction
• Grounding provision for static discharge
• Certified cable gland for explosion protection
• Non-incendive circuit design
• Third-party certified components

Industrial Applications

• Petrochemical refineries
• Oil and gas production facilities
• Chemical processing plants
• Pharmaceutical manufacturing
• Grain handling and storage
• Paint and coating facilities
• Mining operations
• Fuel storage facilities

Installation Requirements

• Mount using 5/8-18 UNF-2A threaded connection
• Apply maximum 22 ft-lbs mounting torque
• Maintain 0.3-1.2mm gap from target surface
• Use certified cable glands and connectors
• Follow hazardous area wiring practices
• Ensure proper grounding and bonding
• Verify certification compliance in installation area
• Use only approved installation methods

Compatibility Information

• Works with intrinsically safe barriers
• Compatible with explosion-proof enclosures
• Connects to hazardous area PLC systems
• Interfaces with certified monitoring systems
• Works with ATEX approved signal conditioners
• Compatible with FM approved systems

Shipping & Documentation

• Factory sealed certified packaging
• Includes all certification documents
• 18-foot high-temperature silicone cable
• Installation and safety manuals
• Certificate of compliance
• Worldwide shipping via FedEx, UPS, DHL
• Express hazardous goods shipping available

Frequently Asked Questions

• What certifications does this sensor have? FM and ATEX certifications for hazardous areas.
• What is the maximum temperature rating? +220°C continuous operation.
• What thread size is used? 5/8-18 UNF-2A standard thread.
• Is special installation required? Yes, must follow hazardous area installation codes.
• What is the guaranteed output voltage? 13.4 volts peak to peak minimum.