AI-Tek 70085-1010-414 Passive Speed Sensor - 54V Output

AI-Tek Instruments 70085-1010-414 Passive Speed Sensor

The AI-Tek 70085-1010-414 passive speed sensor delivers robust performance for industrial speed monitoring applications. This extended-length sensor is ideal for applications requiring deep mounting penetration.

Product Information

• Manufacturer: AI-Tek Instruments (Airpax)
• Part Number: 70085-1010-414
• Model: Passive Speed Sensor
• Condition: New & Original in Factory Packing
• Warranty: 12 Months Factory Warranty

Technical Specifications

• Thread Length: 6.000 inches (152.40 mm)
• Sensor Length: 7.25 inches (184.15 mm)
• Output Voltage (Standard): 54 V (P-P)
• Output Voltage (Guarantee Point): 13.4 V (P-P)
• DC Resistance: 240 ohms maximum
• Operating Temperature: -65 to +100°C
• Storage Temperature: -70 to +110°C
• Vibration Resistance: 10g from 10-2000 Hz
• Shock Resistance: 50g for 11ms duration

Electrical Characteristics

• Output Signal Type: AC Voltage Sine Wave
• Frequency Response: 0-15 kHz
• Inductance: 45 mH typical
• Current Capacity: 40 mA maximum
• Insulation Resistance: 100 MΩ at 500V DC
• Dielectric Strength: 1000V RMS for 60 seconds

Mechanical Specifications

• Thread Type: 3/4-16 UNF-2A
• Housing Material: 400 Series Stainless Steel
• Cable Length: 10 feet (3.05 meters)
• Cable Type: Shielded, High-Temperature
• Connector: MS3106A20-29P
• Net Weight: 0.85 kg
• Shipping Weight: 1.2 kg

Performance Parameters

• Target Material: Ferrous metals only
• Minimum Target Teeth: 30 teeth recommended
• Air Gap Range: 0.020-0.080 inches
• Output Linearity: ±1.5% of full scale
• Response Time: < 2 milliseconds
• Phase Shift: < 5 degrees at 10 kHz

Application Areas

• Industrial gearbox monitoring
• Large motor speed detection
• Marine propulsion systems
• Power generation equipment
• Heavy machinery monitoring
• Processing plant equipment

Installation Requirements

• Mounting Torque: 25-35 ft-lbs
• Thread Engagement: Minimum 4.5 inches
• Sealant: High-temperature thread sealant recommended
• Cable Routing: Secure with strain relief
• Grounding: Proper shield grounding required

Frequently Asked Questions

What is the advantage of the extended thread length?

The 6-inch thread length provides secure mounting in thick housing walls and vibration-resistant installation.

Is this sensor suitable for outdoor applications?

Yes, with its wide temperature range and robust construction, it performs reliably in outdoor environments.

What type of connector is included?

The sensor comes with an MS3106A20-29P military-spec connector for reliable connections.

Can this sensor be used in explosive environments?

This standard sensor is not intrinsically safe. For hazardous areas, consult factory for appropriate ratings.

What is the expected service life?

With proper installation, the sensor typically exceeds 100,000 hours of continuous operation.

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