- 1 × 1.5" Digital Inline Flow Meter (DFM-3)
TrolMaster DFM-3 1.5" Digital Inline Flow Meter
$182.69 CAD
starting from 0% interest financing from
/mo.
- Monitors flow in 1.5 inch irrigation mains for high-capacity systems
- Enables precise volume-based irrigation when linked to the Aqua-X Pro controller
- Operates within 32 to 122 degrees Fahrenheit and up to 90 percent humidity
- 3-year warranty from the original date of purchase
- View More Details
Earn 182 points for shopping and get $1.82 off your next order. Join Harvest Club for free.
Free Shipping On Most Items
To the Provinces*
Transparent Pricing
Backed w/ price match guarantee
4.8/5 Rating
1938+ verified reviews
Secure Checkout
SSL encrypted payments
VOLUME PRICING
Commercial & Bulk Purchasing
We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.
Who This Is For
- You are moving to volume-based feeding because your timer-based cycles fail to deliver consistent doses when line pressure fluctuates
- You are integrating digital monitoring because you need to track nutrient delivery in real time to avoid over-watering or starvation
What We Found
- The DFM-3 gives you a level of transparency into your irrigation lines that manual timers just cannot provide
- We recommend this unit if you already run the Aqua-X Pro because the setup for volume-based dosing is straightforward
What Users Say
- Commercial growers who installed these report they no longer worry about uneven nutrient distribution across their irrigation zones
- Facility managers say the real-time data flow allowed them to catch irrigation bottlenecks before they impacted their crop health
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)
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
How does the DFM-3 differ from the DFM-1 and DFM-2?
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.
Why choose volume-based irrigation over time-based scheduling?
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.
Which controller systems is the DFM-3 compatible with?
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.
Can the DFM-3 detect leaks or blockages?
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.
How many DFM-3 units can I connect to one controller?
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.
Happy To Help
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.)
Why Trimleaf
Equipping home growers, craft producers, and commercial operations across North America since 2016.
10+
Years of Specialist Knowledge
4.8★
Over 1,900 Verified Reviews
50,000+
Growers Served
120+
Top Equipment Brands in Stock