Sensor User Guide

Everything you need to know about our sensor

Vibration & Shock Sensor

This Vibration and Shock Sensor is designed for comprehensive data collection, enabling you to start building your database for predictive analysis.
Let’s explore the device further.

1. Sensor and Its Components

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Sensor device

Learn the location of the essential hardware features on the Sensor (1st generation).
A - Wi-Fi Activator Key Slot
B - SnapBase® Locking Recess
C - Green LED for Power Indication
D - Power Connector (IP67 Grade)
E - Blue LED for Data Acquisition
F - Capacitive Power Switch
G - Top Label with User Guide QR-Code and the Axis Indicator

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Wi-Fi Activator Key

This key is used to activate the Wi-Fi access point, enabling the sensor to be accessed through any web browser. This allows for downloading the data log stored in the sensor's internal memory.

H - Top Label

If there are any special specifications for the cable, they must be indicated by the customer for approval by Holdstein Solutions Engineering Team.

2. Mechanical Specifications

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Learn more about the Mechanical Specifications and discover how versatile, lightweight, and practical the sensor created by Holdstein Solutions is. This sensor can be used in virtually any application.

Sensor Mass: 70 grams
Housing Material: Ultra-Resistant Nylon with UV Protection
Length: 99 mm (3.9 pol) | Width: 43.5 mm (1.71 pol) | Height: 20 mm (0.79 pol)
Ingress Protection: IP 67

3. Powering the Sensor

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What You Need:

Sensor & Power cable connected to a 5VDC, ±3A

- Take the sensor and check for any obstructions or dirt inside the connector (Item D).
- Take the cable with the connector (Items K and L) and perform the same check for obstructions and dirt on the terminals. (Ensure that the power is off during the connector assembly).
- Once everything is verified, align the connector with the guide slot on the sensor and proceed to connect the male and female connectors.
- Power the cable so that the green LED (Item C) lights up. - Once lit, it indicates that the sensor has initialized but is not yet in data acquisition mode.

4. Activating the Sensor for Data Acquisition

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Once the sensor is powered, locate the on/off button (Item F).

For your information, this button does not move.

It is a capacitive touch button, meaning you only need to touch it for about 3 seconds to change the current state of the sensor. If the sensor is in standby mode, after touching the button for 3 seconds, the sensor will switch to data acquisition mode and vice versa.

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Understanding Data Acquisition Mode

In data acquisition mode, the sensor captures vibration and shock data in a triaxial manner, creating an unfiltered acceleration log on the three axes (X, Y, and Z).
The sensor’s sampling rate is indicated on its bottom label and represents the frequency at which data is collected. The internal memory of the sensor is also presented on this same label and represents the available space for data recording. This sensor has the capacity to store billions of data points.

Refer to this link to learn more about the capacity of each internal memory and its advantages.

5. Turning on the Wi-Fi hotspot

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Accessing Stored Data

To access the stored data, you will need to install the "Wi-Fi Security Key" (Item H), which enables the sensor's Wi-Fi access point. The SSID and password information can be found on the sensor's bottom label.

Each sensor has a unique Wi-Fi network that can only be accessed with the security key. Each sensor comes with one key. If you lose or need another key, you can request one through this link.

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Sensor device

Learn the location of the essential hardware features on the Sensor (1st generation).
A - Wi-Fi Activator Key Slot
B - SnapBase® Locking Recess
C - Green LED for Power Indication
D - Power Connector (IP67 Grade)
E - Blue LED for Data Acquisition
F - Capacitive Power Switch
G - Top Label with User Guide QR-Code and the Axis Indicator

6. Retrieving the Data Log

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Connecting to the Wi-Fi Access Point

When the "Wi-Fi Security Key" (Item H) is installed, a new Wi-Fi access point will become available with the following default SSID:
Holdstein Sensor 0C8B959642C0

Connect to this network and then open a web browser (Item M) and go to the following address (Item N): holdsteinserver.local

All available files in the sensor's memory will be displayed on the home screen (Item P). Click the "Download" button to save the file to your device or laptop, and "Delete" to permanently remove it.

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Uploading the Config File

Note that there is a file in the root of the memory called config.txt. This file contains the sensor's settings, including the Wi-Fi access point password, which can be changed.

To modify the config.txt file, download it first, make the necessary changes, and then upload it in the "Configuration" section. Click on "Configuration" (Item Q) and proceed with the upload

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Finalizing and Continuing Data Acquisition

Once you have completed downloading all log files and making the necessary changes to the sensor, remove the key (Item H) and continue using the sensor to acquire data.

(End of the User Guide)

Get in touch with us

If you would like to learn more about Holdstein Solutions, we encourage you to get in touch with us. Our team is ready to provide you with all the information you need. Don't hesitate to reach out to us for further details or any inquiries you may have.