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Extech PH90 pH and Temperature Meter

Extech PH90 pH and Temperature Meter
Extech PH90 pH and Temperature Meter
R3,828
The Extech PH90 combines a flat-surface pH electrode with automatic temperature compensation in an IP67-rated housing, delivering ±0.02 pH accuracy across the full 0.00 to 14.00 range.OverviewThis compact meter measures pH and temperature simultaneously, with a replaceable flat electrode that simpli... Read More
Stock 6 Code 3546922 Brand EXTECH Model PH90 Warranty 2 Years

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Estimated delivery Tuesday, October 6
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The Extech PH90 combines a flat-surface pH electrode with automatic temperature compensation in an IP67-rated housing, delivering ±0.02 pH accuracy across the full 0.00 to 14.00 range.

Overview

This compact meter measures pH and temperature simultaneously, with a replaceable flat electrode that simplifies testing of liquids, semi-solids, and surfaces. Automatic 3-point calibration (pH 4, 7, 10) and a backlit LCD ensure reliable readings in varied conditions.

What stands out

  • Flat surface electrode works on liquids, gels, and moist surfaces
  • IP67 waterproof design for field use
  • Automatic temperature compensation (0 to 60°C)
  • Data hold and auto power off after 10 minutes
  • Runs on 4 LR44 batteries for up to 80 hours

Technical details

  • pH range: 0.00 to 14.00 pH; resolution 0.01 pH; accuracy ±0.02 pH
  • Temperature range: 0 to 60°C (32 to 140°F); resolution 0.1°; accuracy ±0.5°C
  • Calibration: automatic 3-point (pH 4, 7, 10)
  • Electrode: replaceable flat surface pH electrode
  • Display: LCD with backlight
  • Power: 4 x LR44 batteries; approx. 80 hours continuous use
  • Operating conditions: 0 to 50°C, <80% RH

Our verdict

A rugged, accurate pH meter that handles both liquids and surfaces—ideal for field technicians and lab use.

Specifications
Accuracy
±0.02 pH
Brand
Extech
Category
pH Meter
EAN
793950150900
Model
PH90
MPN
PH90
Operating relative humidity (H-H)
<80% RH
Operating temperature (T-T)
0 - 50 °C
Power source type
Battery
Temperature sensor
Yes
Weight
0.19 kg
Price history over the last 6 months
Extech PH90 pH and Temperature Meter
Current
R3,828
Lowest
R3,823
Highest
R3,828
Change 24H
+R0   +0%
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