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Helios-P Operating Instructions Pressure Sensor

Are you looking for the manual for the Helios-P pressure sensor?

Table of Contents
  1. Symbols and Explanations
  2. Safety Instructions
  3. Technical Drawing
  4. Installation and Preparation
  5. Installation Accessories
  6. Recommended Installation Methods
  7. NFC Setup and Location of the NFC Tag
  8. Setup Without a Mobile Device
  9. Battery Replacement
Helios-P Pressure Sensor
Figure 1. Helios-P front view

1. Symbols and Explanations

Warning

Warnings and important information about potential hazards or possible damage.

Note

Important information required for the smooth operation of the devices .

2. Safety Instructions

Please note
  • Follow the safety instructions and installation guidelines in the manual and the installation checklist.
  • Ensure that the installation environment complies with the specified operating environment guidelines. Always adhere to temperature and other limits.
  • The device may only be used within the ranges specified in the technical specifications.
  • The device may only be used for the intended purpose described.
  • Safety and functionality can no longer be guaranteed if the device is modified or expanded.
If the device is installed incorrectly
  • It may not function properly.
  • It may be permanently damaged.
  • It may pose a risk of injury.
Please note
  • Improper handling, such as subjecting the device to excessive mechanical stress or dropping it, can result in damage.
  • Depending on the sensor model and specific variant, the antenna and sensor outputs may be located on either the long or short side.

    • 3. Technical Drawing

    Technical Drawing Helios
    Figure 2. Technical Drawing of Helios

    4. Installation and Preparation

    Note

    If the sensor remains easily accessible even after installation, install the sensor first and activate it only after installation.

    If the sensor is no longer accessible after installation, activate the sensor first and then install it afterward.

    1. If you have ordered a device with an external antenna, which can be identified by the gold-colored RP-SMA connector, first install the antenna included in the package.
    2. The sensor can be mounted either horizontally or vertically . For wall or magnetic mounting, use the mounting holes provided in the side tabs of the housing.
      Figure 3. Possible sensor mounting positions
    3. Depending on the sensor model and variant, the antenna and sensor connections may be located on the long or short side of the housing.
    Note

    External antenna: Please note that the antenna must always must be mounted vertically and its tip must point toward the ceiling. Tilt the antenna at the joint so that it is always aligned vertically. The external antenna is usually located on the long side of the housing. The antenna should maintain a minimum distance of 2 cm from metal surfaces. Make sure that the antenna is not shielded by surrounding metal parts, provided that the application allows it.

    Internal Antenna: If your device has an internal antenna (no external antenna visible), the Helios sensor must always be mounted with the long side oriented vertically, as this ensures maximum signal strength. The antenna is located on the underside (opposite the logo side) of the housing and should also be kept at least 2 cm away from metal surfaces. Make sure the antenna is not shielded by surrounding metal parts, as long as the application permits.

    Important

    If you have a device with an external antenna, the device must never be operated without the antenna connected. Otherwise, the sensor may be irreparably damaged.

    5. Mounting Accessories

    Part Number Recommended Accessories
    Z-MAG-NEO-M4 2 neodymium pot magnets, holding force 32 kg, incl. 2 screws
    Z-HS-4 Pair of 4 mm wood screws with anchors
    Z-HS-5 Pair of 5 mm wood screws with anchors

    6. Recommended Installation Methods

    Type Recommended Accessories Sentinum Part Number Manufacturer
    Screws (wall) DIN 912 cylinder head screws or wood screws, depending material, with anchors. Permissible sizes:
    • DIN screws M4 or M5
    • wood screws 4 mm to 5 mm
    		 - -
    Magnets Neodymium magnets, M4 internal thread - -
    Adhesive Double-sided adhesive tape - -

    7. NFC Setup and Location of the NFC Tag

    Note

    You can use the LinQs NFC app to configure parameters . Please make sure you know where the NFC reader on your mobile device is located. Depending on the manufacturer and model, it may be located at the top, middle, or bottom of the device's back. To locate the NFC tag, select "Read" in the app, for example, and slowly move the smartphone along the sensor.

    1. Activation is performed via an NFC app. This requires a smartphone. The app can be downloaded from the respective app stores . Simply search for Sentinum LinQs and download the app.
      2. Sentinum LinQs App
      Figure 4. Downloading the Sentinum LinQs App
    2. First, locate the NFC tag on the sensor, and then locate the NFC reader on your device. The position of the NFC tag is shown in the following figure.
      Sentinum LinQs App
      Figure 5. Position of the NFC tag on the Helios-P sensor
    3. Open the app and activate the sensor. To start the sensor with the default settings, select the Activate Sensor button in the app's start menu. Then place your device on the sensor's NFC tag.
      Sentinum LinQs App
      Figure 6. Activating the sensor via the LinQs app

      If the sensor is successfully activated, the message Sensor Updated! appears. Afterward, additional sensors can be activated.

    8. Setup Without a Mobile Device

    Note

    If you do not have a smartphone on hand, you can restart the sensor directly on the device. To do this, slide the marked switch to the Off position, wait at least 10 seconds, and then slide it back to the On position. The sensor will then restart and resume normal operation, such as the LoRaWAN® join procedure.

    Figure 7. Sensor on/off switch

    9. Battery Replacement

    1. Open the housing with a suitable Phillips screwdriver. Carefully remove the cover and be careful not to damage the gasket.
      Figure 8. Opening the sensor housing
    2. Before replacing the battery, turn off the sensor by flipping the switch to the Off position.
      Figure 9. Turning off the sensor before replacing the batteries

      Then carefully remove the batteries from the designated holder and insert new batteries.

      To achieve the specified runtime and performance, the following primary cells are approved:

      • Energizer® Ultimate Lithium AA
      • VARTA ULTRA LITHIUM Mignon AA
    3. Dispose of the old batteries properly after replacement . Then close the housing again and make sure the seal is correctly seated in its original position.
    Caution

    If battery types other than those recommended are used, performance, runtime, and product safety may be compromised .



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