AI-Tek Airpax 70085-1010-406 Passive Speed Sensor

AI-Tek Instruments Passive Speed Sensor 70085-1010-406

The 70085-1010-406 provides reliable speed monitoring in extreme temperature industrial environments. This AI-Tek Airpax passive sensor operates without external power across a wide thermal range. It maintains consistent performance from deep freeze conditions to high temperature applications.

Product Information

• Part Number: 70085-1010-406
• Model Type: Passive Speed Sensor
• Brand Manufacturer: AI-Tek Instruments (Airpax)
• Product Condition: New Original Factory Packaging
• Warranty Coverage: 12 Months Factory Warranty

Technical Specifications

• Sensor Length: 4.000 inches (101.6 millimeters)
• Standard Output Voltage: 60 volts peak to peak
• Guaranteed Output Voltage: 13.4 volts peak to peak minimum
• DC Resistance: 210 ohms maximum rating
• Operating Temperature: -55 to +220 degrees Celsius

Additional Technical Parameters

• Measurement Range: 0 to 25,000 RPM maximum
• Frequency Response: 10 Hz to 10,000 Hz bandwidth
• Inductance Value: 35 millihenries typical
• Target Requirements: Ferromagnetic gear tooth
• Installation Gap: 0.3 to 1.2 millimeters optimal
• Thread Specification: 3/4-16 UNF standard
• Housing Material: High-temp stainless steel
• Ingress Protection: IP67 rated

Key Features & Benefits

• Extended temperature range from -55°C to +220°C
• Passive operation requires no external power
• High temperature resistant construction
• IP67 protection for harsh environments
• Reliable 13.4V P-P guaranteed output

Industrial Applications

• High temperature motor monitoring
• Industrial oven conveyor systems
• Turbine and compressor speed measurement
• Steel mill equipment monitoring
• Chemical processing machinery
• Aerospace testing applications
• Power generation equipment

Installation Guide

• Mount using 3/4-16 UNF threaded connection
• Maintain 0.3-1.2mm gap from target surface
• Use high-temperature compatible hardware
• Ensure proper alignment with gear teeth
• Verify IP67 seal integrity after installation
• Test output signal with appropriate equipment

Electrical Characteristics

• Power Requirement: None (self-generating)
• Output Signal: AC voltage proportional to speed
• Waveform Type: Sinusoidal AC pattern
• Load Impedance: 15k ohms minimum recommended
• Signal Conditioning: External conditioner required

Compatibility Information

• Works with AI-Tek signal conditioning units
• Compatible with most speed monitoring systems
• Connects to PLC frequency input modules
• Interfaces with data acquisition systems
• Works with high-temperature monitoring systems

Packaging & Shipping

• Factory original protective packaging
• Includes sensor and installation manual
• 12-month warranty documentation
• Worldwide shipping available
• Fast delivery options
• Carriers: FedEx, UPS, DHL

Frequently Asked Questions

• What is the maximum temperature rating? +220 degrees Celsius continuous operation.
• What thread size does it use? 3/4-16 UNF standard thread.
• What output voltage is guaranteed? 13.4 volts peak to peak minimum.
• What environmental protection does it have? IP67 rated for harsh conditions.