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AquaMaster Tools P50 Pro pH and Temp Meter with digital display, buttons, and protective cap.
Disassembled AquaMaster P50 Pro pH/Temp meter with probe, cap, and storage tube.
Black pH probe with two metal electrodes at the tip and threaded connector.
Black pen-style pH meter with rubber grip and CE marking.
Black handheld pH meter with a black lanyard, buttons, and a tip.
AquaMaster Tools P50 Pro pH and Temp Meter with digital display, buttons, and protective cap.
Disassembled AquaMaster P50 Pro pH/Temp meter with probe, cap, and storage tube.
Black pH probe with two metal electrodes at the tip and threaded connector.
Black pen-style pH meter with rubber grip and CE marking.
Black handheld pH meter with a black lanyard, buttons, and a tip.
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Aqua Master Tools P50 Pro pH Temp Meter

Official Aqua Master Tools Dealer Model: AMT1000
$89.95 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
  • IP67 waterproof and buoyant enough to float
  • 2-point auto calibration for pH 7.00 and 4.01
  • Powered by 3 x 1.5V AG-13 button cell batteries
  • View More Details

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Call (360) 800-5535
  • Free Shipping On Most Items*To the lower 48
  • Transparent PricingBacked w/ price match guarantee
  • 4.8/5 Top Quality Store on Google
  • Secure CheckoutSSL encrypted payments

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Ask Sage about this product
VOLUME PRICING

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

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Contact Information
THROUGH THE Cultivator's LENS Product Evaluation

  • You are testing pH levels in nutrient reservoirs because inaccurate readings cause rapid plant stress.
  • You are replacing worn pen meters because dropped equipment in liquid ruins unsecured gear.

  • The 2-point auto calibration keeps readings accurate across a wide range of liquids.
  • The replaceable electrode extends the usable life well beyond a standard pen.

  • Growers who dropped meters in reservoirs say the waterproof buoyancy saved them from losing the device.
  • Users tracking pH levels report that the 2-point calibration keeps their daily readings consistent.

Aqua Master Tools P50 Pro pH Temp Meter

Dropping a meter in the reservoir is a fast way to lose it — and an inaccurate pH reading is a fast way to stress a crop. The Aqua Master Tools P50 Pro solves both: it's IP67 waterproof and buoyant enough to float, while a 2-point auto calibration feature—optimized for use with pH 7.00 and 4.01 solutions—keeps every pH and temperature reading accurate across a wide range of liquids.

An ergonomic rubber back and a secured cap cord make the P50 Pro comfortable to hold and hard to misplace, while a replaceable electrode extends the meter's usable life well beyond a standard pen. It ships ready to use, batteries included.

For long-term accuracy, store the meter upright with KCl storage solution in the protective cover.

Features

💧
IP67 Waterproof & Floats

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

🎯
2-Point Auto Calibration

Calibrates quickly between 4.0 and 7.0 pH for consistently accurate readings.

🔌
Replaceable Electrode

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

✋
Ergonomic Grip

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

🔋
Battery Indicator

Displays battery status alongside automatic temperature compensation for reliable use.

✅
Calibration Indicator

Confirms correct calibration at a glance, so you always know your readings are trustworthy.

What's Included

  • 1x P50 Pro pH Temp Meter
  • 3x 1.5V AG-13 Button Cell Batteries

Specifications

Specification Value
pH Range 0.0 – 14.0 pH
Temperature Range 0°C ~ 50°C (32°F ~ 122°F)
pH Resolution ± 0.1 pH
Temperature Resolution 0.1°C (1.0°F)
pH Accuracy ± 0.1 pH
Temperature Accuracy ± 0.5°C (32°F)
Temperature Compensation Range 0°C – 50°C (32°F – 122°F)
pH Calibration 2-point auto calibration, 4.0 – 7.0 pH
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 P50 Pro measure? +

The P50 Pro measures pH and temperature in a variety of liquids, making it suitable for a wide range of industries and applications.

How do I calibrate the meter? +

The P50 Pro uses a 2-point auto calibration between 4.0 and 7.0 pH. Check the linked pH calibration video above for a full walkthrough.

What happens if I drop it in water? +

The P50 Pro is IP67 waterproof and designed to float, so an accidental drop into your reservoir won't damage it or cause it to sink.

Can I replace the electrode myself? +

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

Does it come with batteries? +

Yes, the P50 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 keep the electrode hydrated and accurate over time.

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.)

Call (360) 800-5535

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