Product Overview
The AI-TEK 70085-1010-041 Speed Sensor is a high-reliability industrial automation module designed for precise rotational speed measurement in harsh environments. With an output voltage of 55 V P-P standard and a guaranteed output of 4.2 V P-P at the guarantee point, this sensor delivers consistent signal strength. Operating from -55 to +107°C, the 70085-1010-041 is built for extreme temperature applications. Its 3/8-24 thread size and compact 1.252-inch sensor length allow easy integration into existing machinery.
Technical Specifications
| Parameter |
Value |
| Output Voltage (Standard) |
55 V (P-P) |
| Output Voltage (Guarantee Point) |
4.2 V (P-P) |
| Guarantee Voltage (P-P) |
3.6 V |
| DC Resistance |
960 ohms max |
| Typical Inductance |
125 mH ref. |
| Thread Size |
3/8-24 |
| Thread Length |
0.812 in |
| Sensor Length |
1.252 in |
| Operating Temperature |
-55 to +107°C |
| Termination |
Wires |
| Output Polarity |
White lead positive |
| Lead Length |
18 in (45.7 cm) |
| Cable Length |
40 in (101.6 cm) |
| Net Weight |
2 oz max. |
Applications
The 70085-1010-041 excels in monitoring shaft speed in motors, turbines, and conveyors. Its robust design suits steel mills, oil & gas, and power generation where temperature extremes are common. The 55 V P-P output ensures strong signal transmission even over long cable runs up to 40 inches. In retrofitting older systems, the AI-TEK 70085-1010-041 provides a drop-in replacement with its standard 3/8-24 thread.
Installation and Setup
Mount the AI-TEK 70085-1010-041 using its 3/8-24 thread to a non-ferrous bracket. Ensure the sensor tip is perpendicular to the rotating target. Connect the white lead to positive signal input and black to common. Maintain a gap of 0.020 to 0.050 inches for optimal signal. Verify output with an oscilloscope; the 70085-1010-041 should produce a clean sine wave.
Maintenance and Reliability
The 70085-1010-041 requires minimal routine service. Inspect wiring periodically for damage, especially in high-vibration setups. The hermetically sealed design withstands -55 to 107°C cycles. With a net weight of only 2 oz, it imposes negligible mechanical load. Replace only if output falls below guarantee voltage of 3.6 V P-P.
Selection Guide
When selecting a replacement sensor, verify thread size and output type. The 70085-1010-041 is a proven choice for demanding environments. For further assistance, contact ubest101 for datasheets or application support.