AI-Tek 70085-1010-235 | Medium Range Speed Sensor

AI-Tek Instruments 70085-1010-235 Passive Speed Sensor

The 70085-1010-235 provides reliable speed monitoring for general industrial applications. This AI-Tek Airpax passive sensor offers balanced performance across a wide temperature range with robust construction for demanding environments.

Product Overview

This medium-range passive speed sensor delivers consistent performance in various industrial settings. It features a compact design with reliable output characteristics for accurate speed measurement without external power requirements.

Core Specifications

• Manufacturer: AI-Tek Instruments (Airpax)
• Part Number: 70085-1010-235
• Sensor Type: Passive Speed Sensor
• Condition: New Original Factory Packing
• Warranty: 12 Months Factory Warranty

Physical Dimensions

• Thread Length: 1.250 inches (31.75 mm)
• Sensor Length: 3.500 inches (88.90 mm)
• Thread Size: 5/8-18 UNF standard
• Unit Weight: 0.28 kilograms
• Cable Length: 8 feet (2.44 meters)
• Housing Diameter: 0.875 inches (22.23 mm)

Electrical Performance

• Standard Output Voltage: 110 volts peak to peak
• Guaranteed Output Voltage: 15.8 volts peak to peak minimum
• DC Resistance: 320 ohms maximum
• Typical Inductance: 85 millihenries
• Output Polarity: Red lead positive
• Frequency Response: 15 Hz to 3,500 Hz
• Measurement Range: 0 to 8,500 RPM
• Response Time: 4 milliseconds maximum
• Output Linearity: ±1.5% of full scale

Environmental Specifications

• Operating Temperature: -40 to +180 degrees Celsius
• Storage Temperature: -55 to +200 degrees Celsius
• Ingress Protection: IP66 rated
• Housing Material: Stainless steel 316
• Cable Type: Industrial grade shielded
• Mounting Torque: 18 ft-lbs maximum
• Vibration Resistance: 15g from 10-2000 Hz
• Shock Resistance: 50g for 11 milliseconds

Target Specifications

• Target Material: Ferromagnetic steel
• Optimal Gap Range: 0.4 to 1.5 millimeters
• Gear Tooth Count: 30-120 teeth recommended
• Target Speed: 100 to 8,500 RPM
• Minimum Tooth Width: 2.0 millimeters

Key Features

• Medium output voltage for reliable signal transmission
• Compact 3.5-inch design for space-constrained applications
• IP66 protection against dust and powerful water jets
• Wide operating temperature range from -40°C to +180°C
• Red lead positive polarity for easy identification
• 8-foot industrial grade shielded cable included
• Stainless steel 316 construction for corrosion resistance

Industrial Applications

• General purpose motor speed monitoring
• Conveyor system speed measurement
• Pump and compressor monitoring
• Industrial fan speed detection
• Machine tool speed monitoring
• Agricultural equipment monitoring
• Material handling equipment

Installation Guide

• Mount using 5/8-18 UNF threaded connection
• Apply maximum 18 ft-lbs mounting torque
• Maintain 0.4-1.5mm gap from target surface
• Connect red lead as positive terminal
• Ensure proper IP66 seal engagement
• Route 8-foot cable with proper strain relief
• Verify target alignment and gap setting
• Test output signal with oscilloscope

Compatibility Information

• Works with standard speed monitoring systems
• Compatible with PLC frequency input modules
• Connects to digital tachometer displays
• Interfaces with data acquisition systems
• Works with overspeed protection relays
• Compatible with vibration monitoring systems

Shipping & Packaging

• Factory sealed protective packaging
• Includes sensor with 8-foot integrated cable
• Installation manual and specifications
• 12-month warranty documentation
• Worldwide shipping via FedEx, UPS, DHL
• Standard lead time: 3-5 working days

Frequently Asked Questions

• What is the operating temperature range? -40 to +180 degrees Celsius.
• What thread size is used for mounting? 5/8-18 UNF standard thread.
• How long is the sensor cable? 8 feet (2.44 meters) integrated cable.
• What is the guaranteed output voltage? 15.8 volts peak to peak minimum.
• What polarity marking does it use? Red lead indicates positive connection.