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Installation

There are multiple ways to mount ultra-low power wireless vibration and temperature sensors. The easiest way is to use magnet mount. The magnet mount from Broadsens has an H-shape leg, which allows the sensors to be mounted on either flat or curved surfaces. Alternatively, mounting pad can be used to mount the sensor in tight spaces. The mounting pad has a standard M8 mounting hole, which matches Broadsens’s wireless vibration sensor mounting stud perfectly. The mounting pad has a circular shape with a diameter of 30mm (1.18 inch). The height of the mounting pad is 11mm (0.43 inch), which allows the mounting stud to be screwed in to this mounting pad securely. The weight of the mounting pad is 58g (2 Oz).

Wireless vibration sensor mounting pads

The mounting pad can be installed with Broadsens’s wireless vibration sensors according to the following steps.

Step 1. Prepare the mounting surface of the structure and the mounting pad. Please wear a glove for this step. Use sand paper to scrap the bottom of the mounting pad and the structure surface. If there is a paint on the structure, then the paint needs to be removed. Use cotton pad and alcohol to clean the mounting structure and the bottom of the mounting pad.

Step 2. Bound the mounting pad to the structure with a thin layer of adhesives or epoxy. Cyanoacrylate glue is the preferred adhesive solution in most circumstances, since it is an instant adhesive and provides a more accurate high-frequency performance. Cyanoacrylate glue can be purchased online or most hardware stores. Check the settle time of the adhesives, and wait for it to be fully cured (typically in a few minutes).

Step 3. Apply thread lock such as Loctite to the mounting studs thread and screw in the mounting stud to the bottom of the sensor. Use a flat-head screw driver to help tightening the stud.

Step 4. Apply Loctite to the thread of the mounting pad. Adding a thin layer of silicon grease to the base of the accelerometer to fill the microscopic pits and grooves on the surface and creates better surface contact.  Screw in the sensor. Important: only apply force to the metal base of the wireless vibration sensor ( do not apply force to the top plastic cover of the sensor).

After mounting the wireless vibration sensor to the mounting pad, verify that the sensor is secured to the structure before turning on the machine. Turn on the machine, take data and verify the signal is in good condition.