Overview
Choose the Event Before Choosing the Detector
By Cinn Song, Founder, SOLARTODO LIMITED
An industrial security specification becomes more useful when it starts with a physical event: a door opening, movement in a protected space, a glass-break event, or vibration at a boundary. A buyer can then consider which detector type belongs in that location. Starting with a single total, such as “17 detectors”, leaves those choices hidden.
SOLARTODO’s Industrial 24-Zone Grid package provides a practical example of a mixed detector schedule. Its current product page lists six PIR detectors, four dual-tech microwave-and-PIR detectors, three door/window magnetic contacts, two glass-break detectors, one smoke/gas detector and one vibration sensor. These are different device categories. The total is useful for describing the package, but it should not turn the devices into interchangeable units during selection.
Start with the opening or surface
For a warehouse entrance, begin by asking what needs to be observed. Is the concern the state of a door or window, a glass-break event, or movement inside the area? The published package includes door/window magnetic contacts and glass-break detectors as separate items. Their separate names and quantities are a reason to discuss the event at each location rather than simply assign “one detector” to every opening.
The page also lists a vibration sensor and describes vibration sensing in relation to cutting or climbing attempts at a perimeter. That makes the protected surface and its normal operating conditions relevant to the discussion. A buyer should ask which event the proposed installation is intended to detect and which ordinary site activity must be considered during setup. The catalogue alone does not establish a mounting method or sensitivity setting for a particular fence, door or machine area.
Compare motion-sensing choices in context
PIR and dual-tech detectors occupy separate lines in this configuration. The official description defines the dual-tech option as combining microwave and PIR sensing. This distinction gives the buyer a concrete comparison to make: why has the designer selected one category in a particular part of the facility?
SOLARTODO’s page identifies forklifts, reflective metal and high-temperature equipment as examples of nuisance sources that engineers should consider. It also calls for checking mounting height and field of view. These considerations belong in the selection discussion because an industrial space has its own operating conditions. The presence of two sensing technologies does not, by itself, establish the accuracy or nuisance-alarm performance of a proposed installation. Those outcomes should not be inferred from the device label.
Compare alternatives at the same location
A useful comparison keeps the location fixed and changes the proposed detector category. For a loading-bay entrance, for example, ask whether the design is concerned with the opening itself, movement within the bay, or both. This is an illustrative purchasing question, not a claim that a particular customer uses this configuration.
Ask the designer to explain the choice in terms of the event and conditions at that location. A response that only repeats the total device count leaves the central question unanswered. The purpose is to understand the selection before comparing quantities or quotations, rather than assume that every item in a mixed detector schedule serves the same function.
Use the package as a starting configuration
The Industrial 24-Zone Grid is described as a grid-powered security system with UPS backup, cameras and multiple detector types. This article focuses on the detector mix. Neither the catalogue scene nor the total of 17 devices establishes an independently protected area for every device, or proves that a particular building is fully covered.
For an initial technical discussion, give the supplier a short description of each location and its relevant activity: the opening or surface involved, the event of concern, normal movement nearby and the environmental conditions. Then ask why the selected detector category fits that location. This keeps the comparison tied to the physical task, while leaving component selection and site-specific settings to the proposed engineering design.
Product source: https://solartodo.com/products/security-system/security-system-industrial-grid-full-service
Image: SOLARTODO catalogue illustration of the Industrial 24-Zone Grid family. It is not a photograph of a verified customer installation and does not show every component in the package.
Prepared with AI assistance from SOLARTODO’s official product information, checked on 12 October 2026.