For infrequent use, calibrate biweekly. For high use or frequent testing of extreme pH liquids (above 10 or below 4), calibrate weekly.

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Dr.meter Upgraded PH838 0.01 Resolution High Accuracy Backlit Two-Color LCD Display pH Meter with ATC, 0-14pH Measurement Range with Data Hold Function

Dr.meter Upgraded PH838 0.01 Resolution High Accuracy Backlit Two-Color LCD Display pH Meter with ATC, 0-14pH Measurement Range with Data Hold Function

Q: What to Do with Inaccurate Calibration?

Calibrate in sequence: pH 4.00, pH 6.86, pH 9.18. If still inaccurate, immerse the probe in potassium chloride solution for 24 hours before re-calibrating.

Q: How to Preventing the Glass Electrode from Breakage

Avoid testing strong acids/alkalis, do not touch it directly, and keep liquids below 50°C (122°F).

Q: How to Store the pH Meter

Add a drop of potassium chloride solution to the sponge on the cap to keep the sensor active. Avoid testing strong acid/alkali.

Product ID: 298840260

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💡Backlit 2-color LCD with alert flash

📏0.01 pH ultra-precise resolution

🌡️0-70°C wide temp range with ATC

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Description

🔬 Elevate your pH game with precision and style!

PINPOINT PRECISION - Experience lab-grade 0.01 pH resolution for flawless measurements every time.
INSTANT VISUAL ALERTS - Backlit LCD shifts from white to flashing red when pH is dangerously low or high, keeping you instantly informed.
EFFORTLESS CALIBRATION - 3-point auto calibration simplifies setup, saving you time and eliminating guesswork.
PORTABLE POWER SAVVY - Compact design with 15-minute auto-off and easy AAA battery replacement—perfect for on-the-go pros.
SMART TEMPERATURE COMPENSATION - Automatic adjustment from 0 to 70°C ensures accuracy in any environment—no second guessing.

The Dr.meter PH838 pH meter delivers ultra-high accuracy with 0.01 resolution and a broad 0-14 pH range. Featuring automatic temperature compensation up to 70°C and a backlit two-color LCD that alerts you to extreme pH levels, it’s engineered for professionals who demand reliable, quick readings. Its user-friendly design includes 3-point auto calibration, data hold, and power-saving auto-off, all housed in a portable, durable case—ideal for lab, field, or industrial use.

Specifications

Brand	Dr.meter
Manufacturer	Dr.meter
Country of Origin	USA
Number of Memory Sticks	1
Item Weight	249 g
Package Dimensions	22.61 x 9.8 x 5.69 cm; 249 g
Item part number	PH838

Have a Question? See What Others Asked

What to Do with Inaccurate Test Results?

What to Do with Inaccurate Calibration?

How to Preventing the Glass Electrode from Breakage

How to Store the pH Meter

When to Calibrate?

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