AI-Tek 70085-1010-403 | Explosion-Proof Speed Sensor

AI-Tek Instruments FM/ATEX Certified Passive Speed Sensor 70085-1010-403

The 70085-1010-403 provides explosion-proof speed monitoring for hazardous industrial environments. This AI-Tek Airpax passive sensor carries FM and ATEX certifications for safe operation in classified areas. It delivers reliable performance in extreme temperature conditions while maintaining intrinsic safety standards.

Product Information

• Part Number: 70085-1010-403
• Model Type: Passive Speed Sensor
• Brand Manufacturer: AI-Tek Instruments (Airpax)
• Certifications: FM and ATEX Approved
• Product Condition: New Original Factory Packaging
• Warranty Coverage: 12 Months Factory Warranty

Technical Specifications

• Thread Length: 1.500 inches (38.10 millimeters)
• Sensor Length: 2.75 inches (69.85 millimeters)
• Thread Size: 5/8-18 UNF-2A primary thread
• Mounting Thread: 3/4-20 UNEF-2A alternative
• Standard Output Voltage: 90 volts peak to peak
• Guaranteed Output Voltage: 9.4 volts peak to peak minimum
• DC Resistance: 750 ohms maximum rating
• Typical Inductance: 210 millihenries maximum
• Output Polarity: White lead positive connection
• Operating Temperature: -55 to +232 degrees Celsius
• Cable Length: 15 feet (4.57 meters) integrated
• Net Weight: 16 ounces maximum weight

Additional Technical Parameters

• Measurement Range: 0 to 15,000 RPM capability
• Frequency Response: 5 Hz to 5,000 Hz operational
• Target Requirements: Ferromagnetic gear tooth
• Installation Gap: 0.1 to 0.8 millimeters optimal
• Housing Material: Stainless steel 316
• Cable Type: High-temperature shielded
• Response Time: 8 milliseconds maximum

Key Features & Benefits

• FM and ATEX certified for hazardous areas
• Extended temperature range to +232°C
• Dual thread options for flexible mounting
• 15-foot high-temperature cable included
• Compact design for space-constrained applications

Industrial Applications

• Petrochemical plant equipment
• Oil and gas refinery machinery
• Pharmaceutical manufacturing
• Chemical processing plants
• Grain handling facilities
• Paint and coating facilities
• Mining equipment monitoring

Installation Guide

• Mount using 5/8-18 UNF or 3/4-20 UNEF threads
• Maintain 0.1-0.8mm gap from target surface
• Connect white lead as positive terminal
• Ensure proper explosion-proof sealing
• Route 15-foot cable according to safety codes
• Verify certification compliance in hazardous areas

Electrical Characteristics

• Power Requirement: None (self-generating)
• Output Signal: AC voltage proportional to speed
• Waveform: Sinusoidal AC pattern
• Load Impedance: 20k ohms minimum recommended
• Signal Conditioning: Intrinsically safe required

Compatibility Information

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

Packaging & Shipping

• Factory sealed certified packaging
• Includes certification documentation
• 15-foot integrated cable pre-installed
• Installation and safety manuals included
• Worldwide shipping available
• Carriers: FedEx, UPS, DHL

Frequently Asked Questions

• What certifications does this sensor have? FM and ATEX certifications for hazardous areas.
• What thread sizes are available? 5/8-18 UNF and 3/4-20 UNEF options.
• What is the maximum operating temperature? +232 degrees Celsius continuous.
• What is the guaranteed output voltage? 9.4 volts peak to peak minimum.