Watch Your Feed Line Around the Clock with the Aqua Master W650 Pro Inline Wi-Fi Monitor
Please note: the W650 Pro Inline has no screen, so readings are viewed in the free Aqua Master Tools app. Its probes screw into a 3/4" tapping saddle (sold separately), so call us before you order and we'll match one to your pipe.
The Aqua Master W650 Pro Inline screws straight into your irrigation or feed line and streams pH, EC, PPM, TDS and temperature to your phone over Wi-Fi, accurate to ±0.1 pH. Set high and low alarms for every reading and it pushes a notification the moment something drifts, with a year of history to look back on.
Why You Need It
A hand test is a snapshot. Your feed keeps changing between snapshots, and a pump fault or a pH swing at 3am won't wait for your morning check.
Inline monitoring closes that gap. The probes sit in the flow all the time, so you see problems as they start, not after the plants have told you about them.
Is the W650 Pro Inline Right for Your Setup?
- Recirculating systems and fertigation lines: anywhere feed runs through pipework you can fit a saddle to.
- Want it to correct pH and EC as well? The C800 Pro Controller measures and doses.
- Hand-mixing a single reservoir? A handheld like the H600 Pro is simpler and cheaper.
How the W650 Pro Inline Works
Two industrial probes with 3/4" male threads, one for pH and one for EC and temperature, screw into a tapping saddle on your pipe. They're rated to 6 bar, so they're happy in pressurised lines. The monitor reads them continuously, corrects for temperature from 0 to 50°C and sends everything to the app over 2.4GHz Wi-Fi.
Key Benefits
- Readings on your phone: live pH, EC, PPM, TDS and temperature wherever you are.
- Alarms for every reading: set high and low limits and get a push notification when one is crossed.
- A year of history: spot slow trends you'd never catch with spot checks.
- In-line, not in a tank: measures flowing feed directly, with no separate measuring chamber.
- Pressure rated probes: good to 6 bar and fully replaceable.
- Guided calibration: pH at 1, 2 or 3 points, EC at 1.4, 3.0 or 12.88, with reminders in the app.
- Scales up: run multiple monitors from one app.
Contains
- 1 x W650 Pro Inline monitor
- 1 x Inline pH probe and 1 x inline EC and temperature probe, 3/4" thread
- 1 x USB-C power adapter with UK, EU, US and AU plugs
- 1 x Phone holder
Not included: 3/4" tapping saddle (made for 40mm or 50mm pipe) and calibration solutions.
W650 Pro Inline Specifications
| pH | 0.00 to 14.00 pH, ±0.1 pH |
|---|---|
| EC | 0.00 to 20.00 mS/cm, ±2% of full scale |
| PPM | 0 to 14,000 (700 scale) |
| Temperature | 0 to 50°C, ±1°C |
| Calibration | pH 1, 2 or 3 point (4.0, 7.0, 10.0), EC 1 point (1.4, 3.0 or 12.88) |
| Probe fitting | 3/4" male thread, rated to 6 bar |
| Connectivity | 2.4GHz Wi-Fi, Android 8 and above, iOS 12 and above |
| Display | None, app only |
| Waterproof rating | IP63 |
| Size | 250 x 110 x 80mm |
| Warranty | 2 years |
How To Use the W650 Pro Inline
- Fit the saddle: mount a 3/4" tapping saddle on a section of pipe that stays full between cycles.
- Fit the probes: screw both probes into the saddle and connect them to the monitor.
- Connect: power up, download the Aqua Master Tools app and join the monitor to your 2.4GHz Wi-Fi.
- Calibrate: follow the guided calibration in the app for pH and EC.
- Set alarms: add high and low limits for each reading so the app warns you when anything strays.
Top tip: Placement is everything. If the pipe drains between cycles, the pH probe dries out and its readings suffer. Pick a low spot that stays full and the probe stays happy.
FAQs
Does it work on 5GHz Wi-Fi?
No, it needs a 2.4GHz network. Most home routers broadcast both, so check yours has 2.4GHz switched on.
Do I need an account to use the app?
Live readings work without one. Viewing history needs a free Aqua Master Tools account.
Will it adjust my pH or EC?
No, it monitors only. For automatic dosing, use the C800 Pro Controller.
Need help choosing? Call our growing experts on 01782 749955 or visit One Stop Grow Shop Stoke at Fenton Trade Park.
Catch the drift before your plants do. Browse our full range of pH and EC control.
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