- 1 × 1.5" Digital Inline Flow Meter (DFM-3)
TrolMaster DFM-3 1.5" Digital Inline Flow Meter
- 1.5" pipe size fits commercial irrigation mains
- Aqua-X Pro system compatibility for data integration
- LCD screen gives onsite flow readouts
- 3-year warranty
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Commercial & Bulk Purchasing
We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.
- You are upgrading your irrigation setup because fluctuating line pressure makes time-based watering inconsistent.
- You are managing nutrient delivery because you need volume-based scheduling for larger operations.
- The 1.5-inch size fits irrigation mains of that diameter.
- The onsite LCD provides live flow readings at the point of installation.
- The hardware supports future firmware updates for leak detection and blockage sensing.
- Growers who made the switch to volume-based scheduling say they stopped worrying about fluctuating pump performance messing up their zones
- Operators managing high-flow facilities say the live flow readings give them instant verification without running diagnostics
TrolMaster DFM-3 1.5" Digital Inline Flow Meter
Achieving consistent crop yields in large-scale greenhouse operations requires absolute precision in nutrient delivery, yet traditional time-based irrigation often falls short due to fluctuating line pressure and pump performance. The TrolMaster DFM-3 Environmental Control solves this by upgrading your 1.5-inch irrigation mains with high-capacity digital flow monitoring. By shifting from time-based to volume-based scheduling, you ensure that every plant receives the exact dose of nutrient solution required, regardless of external variables.
Designed to integrate seamlessly with the TrolMaster Aqua-X Pro system, the DFM-3 provides real-time data that empowers growers to optimize their water usage. Beyond its immediate precision, the unit features an onsite LCD for quick visual checks and a future-ready architecture built to support advanced diagnostics like leak detection and line blockage sensing. Whether you are managing a complex greenhouse control setup or a high-flow commercial facility, the DFM-3 is the essential tool for data-driven irrigation management.
Compatibility: TrolMaster Aqua-X Pro System (GCS-1)
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What's Included
Features
Volume-Based Irrigation
Enables the Aqua-X Pro to irrigate by precise volume rather than time, ensuring each zone receives exact nutrient doses.
Real-Time Monitoring
Continuously measures flow through 1.5" lines, feeding accurate data directly to your central controller.
Onsite LCD Display
Built-in screen provides live flow readings at the installation point for immediate manual verification.
Future-Ready Tech
Hardware designed to support future firmware updates for leak detection and blockage sensing capabilities.
TrolMaster DFM-3 Specifications
| Specification | Value |
|---|---|
| Pipe Size | 1.5" |
| Display | LCD (onsite flow readout) |
| Compatible System | Aqua-X Pro (GCS-1) only |
| Working Environment | Temperature 32–122°F (0–50°C), Humidity ≤90% |
Warranty
TrolMaster backs the DFM-3 with a 3-year warranty from the original date of purchase, covering all mechanical and electronic components under normal operating conditions. Components that fail due to abnormal or improper usage are excluded from this coverage.
FAQs
The DFM-1, DFM-2, and DFM-3 provide identical functionality for the Aqua-X Pro system. The primary difference is the pipe diameter: the DFM-1 is for 1" lines, the DFM-2 for 1.25" lines, and the DFM-3 is specifically for 1.5" irrigation mains.
Time-based scheduling assumes constant pressure, which is rare in commercial grows. Volume-based control ensures precise delivery regardless of pump wear or pressure drops. For maximum accuracy, many growers pair this with the TrolMaster WCS-3 Environmental Control to monitor actual substrate moisture.
The DFM-3 is designed exclusively for the TrolMaster Aqua-X Pro (GCS-1) irrigation control system. It is not compatible with standard Hydro-X or Tent-X controllers.
The hardware is built to support these features, but they are not active in the current firmware. TrolMaster intends to enable leak detection and blockage sensing via future software updates.
The Aqua-X Pro system supports one digital flow meter per controller set. If you need to monitor multiple independent main lines, each will require its own controller and flow meter setup.
Questions About This Product?
Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)
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