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TrolMaster Full Spectrum Quantum Sensor (MBS-PAR) | Precision PPFD & Auto-Dimming Control

Regular price £530.00
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Product Overview

The TrolMaster Full Spectrum Quantum Sensor (MBS-PAR) is a professional-grade solution for measuring Photosynthetically Active Radiation (PAR) from all modern grow light sources. Designed with an improved spectral response, this sensor excels at capturing accurate data from LED, HID, and Fluorescent systems within a range of 389 to 692 nm (± 5 nm).

Whether you are a commercial cultivator or a dedicated hobbyist, the MBS-PAR removes the guesswork from lighting by providing real-time PPFD (Photosynthetic Photon Flux Density) readings, ensuring your plants receive the exact light intensity they need for every stage of growth.

Intelligent Auto-Dimming Technology

When integrated with the TrolMaster Hydro-X controller, the MBS-PAR transforms from a simple meter into an active control device. The system can AUTOMATICALLY adjust the output levels of your supplemental lighting to maintain a consistent, user-defined PPFD level. This not only prevents light stress and bleaching but also maximizes energy efficiency by dimming lights when natural sunlight is present or when lamps are over-performing.

Key Features

  • Full-Spectrum Accuracy: Optimized for modern LED spectral outputs, ensuring reliable readings across the 389–692nm range.

  • Active PPFD Management: Works with the Hydro-X to increase or decrease light intensity automatically to hit your "sweet spot."

  • Cost-Effective Precision: Provides research-grade PAR measurement at a fraction of the cost of handheld laboratory meters.

  • Seamless Integration: Easily daisy-chains with other TrolMaster sensors (Temp, Humidity, CO2) into your main controller.

  • Real-Time Monitoring: View live PAR levels directly on your controller screen or via the TM+ smartphone app.


Technical Specifications

Feature Details
Spectral Range 389 to 692 nm (± 5 nm)
Measurement Type PPFD (Photosynthetic Photon Flux Density)
Compatibility Hydro-X (HCS-1), Hydro-X Pro (HCS-2), Tent-X (TCS-1)
Connection RJ12 Daisy-Chain
Automatic Control Supports Auto-Dimming via Controller Logic

Pro Tips: Maintenance!

Sensor Care & Longevity

  • Stay Dry & Clean: To prevent premature failure, the MBS-PAR must remain dry. Avoid spraying foliar feeds or pesticides near the sensor, and ensure it is positioned away from misting systems or humidifiers.

  • No Condensation: Monitor your environment to ensure water does not condense on the sensor lens, as this will refract light and lead to false, lower PPFD readings.

  • Cleaning the Lens: If dust accumulates, gently clean the sensor's top surface with a dry, lint-free microfiber cloth. Do not use abrasive chemicals or rough materials.

Optimizing Your Light Map

  • Placement is Key: Mount the MBS-PAR at the average canopy height and directly under a light fixture for a "worst-case" intensity reading, or at the edge of the footprint to find your minimum light levels.

  • Avoid Shadows: Ensure that tent poles, hanging wires, or tall fan leaves do not cast shadows over the sensor, as this will trigger the Auto-Dimming feature to ramp up your lights unnecessarily.

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Precision PAR Monitoring for Smarter Lighting

Get accurate, full-spectrum PAR and PPFD readings to optimise your grow room lighting. The TrolMaster MBS-PAR Quantum Sensor works seamlessly with Hydro-X controllers, automatically adjusting light output to maintain your chosen PPFD level. Designed for modern LED systems, it helps deliver consistent plant growth while removing the guesswork from light management.

Explore the MBS-PAR

Frequently Asked Questions

The TrolMaster MBS-PAR Quantum Sensor measures Photosynthetically Active Radiation (PAR) and PPFD levels, allowing growers to accurately monitor the amount of usable light reaching their plants for healthier growth and improved yields.

Yes. The MBS-PAR Quantum Sensor is designed to work with the TrolMaster Hydro-X Environmental Control System, providing real-time PAR and PPFD monitoring for automated lighting control.

Yes. When connected to a compatible Hydro-X controller, the MBS-PAR can automatically increase or decrease supplemental lighting to maintain your target PPFD, helping create a consistent growing environment.

Absolutely. The MBS-PAR features an enhanced spectral response that provides highly accurate PAR readings for modern full-spectrum LED grow lights, while also working with other horticultural lighting systems.

Each sensor includes the MBS-PAR Quantum Sensor, mounting clamp, RJ12 communication cable, RJ12 T-splitter and end caps, allowing for quick installation into your TrolMaster system.

Monitoring PAR helps ensure plants receive the correct amount of light throughout every growth stage. The TrolMaster MBS-PAR makes it easy to optimise light intensity, improve plant health and reduce wasted electricity.

Yes. Whether you're running a single grow tent or a commercial cultivation facility, the MBS-PAR provides professional-grade light monitoring for more precise environmental control.

Steel Roots supplies genuine TrolMaster products backed by expert UK support, competitive pricing and fast delivery. Whether you're upgrading an existing Hydro-X system or building a new automated grow room, we're here to help you get the most from your setup.