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AquaMaster P110 EC/pH/Temp meter with LCD display, buttons, and waterproof design.
AquaMaster P110 Pro pH/EC/Temp meter with detached cap, probe, and storage caps.
AquaMaster P110 Pro combo pen measures EC, pH, and temperature with a digital display and buttons.
AquaMaster P110 EC/pH/Temp meter with digital display showing 18.6°C and waterproof rating.
AquaMaster P110 EC/pH/Temp meter with LCD display, buttons, and waterproof design.
AquaMaster P110 Pro pH/EC/Temp meter with detached cap, probe, and storage caps.
AquaMaster P110 Pro combo pen measures EC, pH, and temperature with a digital display and buttons.
AquaMaster P110 EC/pH/Temp meter with digital display showing 18.6°C and waterproof rating.
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Aqua Master Tools P110 Pro Combo Pen

Official Aqua Master Tools Dealer Model: AMT1013
$114.95 USD
starting from 0% interest financing from /mo.

Payment Options

Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Must apply on a desktop device.
Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
Looking to finance equipment under your corporation? Learn more about Business Financing
  • Measures pH from 0.1 to 14.0 and EC up to 19.9 mS/cm with 0.1 resolution.
  • IP67 waterproof rating allows the unit to float if dropped into a reservoir.
  • Dry-storage electrode eliminates the need for messy liquid soaking solutions between uses.
  • View More Details

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VOLUME PRICING

Commercial & Bulk Purchasing

We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.

Commercial Inquiry

Contact Information
THROUGH THE Cultivator's LENS Hands-On Evaluation

  • You are consolidating your testing tools because juggling three separate meters leaves too much room for calibration errors.
  • You are moving to a pen-based workflow because your current benchtop meters force you to move samples to the workbench.

  • The floating design is a genuine relief because it actually stays on the surface if you lose your grip.
  • We recommend this for the replaceable electrode alone, which saves you from buying a new unit every couple of years.

  • Commercial growers who switched to this unit report saving twenty minutes per feed cycle on setup and cleaning time.
  • Managers who keep these on site say they stopped losing entire meters to reservoir accidents since moving to this IP67 model.

Aqua Master Tools P110 Pro Combo Pen

Carrying three separate meters just to check pH, EC, and temperature slows down every testing round — and a pen you're afraid to dip into a reservoir doesn't help either. The Aqua Master Tools P110 Pro Combo Pen solves both: it measures all three in one IP67 waterproof, floating unit, so a drop into the tank costs you nothing but a rinse.

Years of software and hardware refinement have made the P110 Pro a favorite among growers and farmers across the agricultural and horticultural sector. While this model is a trusted workhorse, those seeking the latest iteration may prefer the Aqua Master Tools P110 Pro 2 Combo Pen. The P110 Pro ships with batteries included, and its replaceable electrode extends the pen's usable life well beyond a standard meter.

To maintain electrode sensitivity and long-term accuracy, store the meter upright with KCl storage solution in the protective cover.

Features

📊
3-in-1 Measurement

Measures pH, EC, and temperature in a single handheld combo pen.

💧
IP67 Waterproof & Floats

Fully waterproof and buoyant, so an accidental drop into your reservoir won't cost you the pen.

🌵
Dry Storage Electrode

No need to store the electrode in liquid, simplifying care between uses.

🔌
Replaceable Electrode

Swap the electrode instead of replacing the whole pen, extending its usable lifetime.

✋
Ergonomic Grip

A rubber ergonomic back and secured cap cord keep the pen comfortable and in hand.

🔋
Battery Indicator

Displays battery status alongside automatic temperature compensation for reliable use.

What's Included

  • 1x P110 Pro Combo Pen
  • 3x 1.5V AG-13 Button Cell Batteries

Specifications

Specification Value
pH Range 0.1 – 14.0 pH
EC Range 0.0 – 19.9 mS/cm
Temperature Range 0°C ~ 50°C (32°F ~ 122°F)
pH Resolution ± 0.1 pH
EC Resolution 0.1 mS/cm
Temperature Resolution 0.1°C (1.0°F)
pH Accuracy ± 0.1 pH
EC Accuracy ± 2% F.S.
Temperature Accuracy ± 0.5°C (32°F)
Temperature Compensation Range 0°C – 50°C (32°F – 122°F)
pH Calibration 2-point auto calibration (requires pH 4.01 and pH 7.00)
EC Calibration 1-point auto calibration, 1.4 EC
Power Supply 3 × 1.5V AG-13 Button Cell Batteries
Auto Power-Off After 8 minutes
Calibration Indicator Indicates correct calibration
Waterproof Rating IP67
Dimensions 220 × 40 × 40 mm
Weight 102 g

Video Tutorials

Frequently Asked Questions

What does the P110 Pro measure? +

The P110 Pro measures pH, EC, and temperature in liquids, making it a versatile combo meter for agricultural and horticultural use.

How do I calibrate the pH and EC readings? +

pH uses a 2-point auto calibration between 4.0 and 7.0 pH, while EC uses a 1-point auto calibration at 1.4 EC. See the linked calibration videos above for full walkthroughs.

What happens if I drop it in water? +

The P110 Pro is IP67 waterproof and designed to float, so an accidental drop into your reservoir won't damage it or cause it to sink.

Do I need to store the electrode in liquid? +

No, the P110 Pro uses a dry storage electrode, so it doesn't require constant liquid storage between uses like some other pens.

Can I replace the electrode myself? +

Yes, the electrode is replaceable, extending the pen's lifetime. See the linked replacement video above for step-by-step instructions.

Does it come with batteries? +

Yes, the P110 Pro ships with 3 included 1.5V AG-13 button cell batteries, so it's ready to use right out of the box.

How should I store the meter between uses? +

Store it upright with KCl storage solution in the protective cover to help keep the electrode accurate over time.

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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.)

Call (360) 800-5535

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