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EXTECH PH90 waterproof pH meter

The Extech PH90 offers a rugged, waterproof digital pH meter with simultaneous pH and temperature display, ideal for field and laboratory use. It features automatic calibration with 2 or 3 point buffer recognition, automatic temperature compensation, and a replaceable flat surface pH electrode that resists breakage and clogging, unlike traditional glass electrodes. The device includes Percent of Slope measurement for electrode status, data hold, Min/Max records, auto power off, and low battery alert. Its IP57 waterproof housing floats, making it perfect for measuring liquids, semi-solids, and solids in various applications such as water treatment, agriculture, and food industries.

Authorized Distributors
Source:Newark
Part No:PH90
Stock:2
Inv Date:06-05-2026
Price: Unit price: $163.51
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Source:DigiKey
Part No:PH90
Stock:0
Inv Date:06-05-2026
Price: Unit price: $124
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Part No:PH90
Stock:0
Inv Date:06-06-2026
Price: Unit price: $124
Buy/RFQ:
Part No:PH90
Stock:0
Inv Date:06-05-2026
Price: Unit price: $124
Buy/RFQ:
Part No:PH90
Stock:0
Inv Date:06-05-2026
Price: Unit price: $111.7
Buy/RFQ:
Part No:PH90
Stock:0
Inv Date:06-05-2026
Price: Unit price: $145.4
Buy/RFQ:
Part No:PH90
Stock:0
Inv Date:06-05-2026
Price: Unit price: $134
Buy/RFQ:
Part No:PH90
Stock:0
Inv Date:06-05-2026
Price: Unit price: $124
Buy/RFQ:
Part No:PH90
Stock:0
Inv Date:06-05-2026
Price: Unit price: $145.4
Buy/RFQ:
Authorized Distributors
Part No:PH90
Stock:0
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:

EXTECH PH90 waterproof pH meter Specifications:

  • pH Range: 0 to 14.00pH
  • Maximum Resolution: 0.01pH
  • Temperature Range: 0 to 90°C (32 to 194°F)
  • Temperature Resolution: 0.1°C
  • Accuracy: ±0.01pH or ±0.2pH
  • Temperature Accuracy: ±1°C
  • Power Supply: Two 3V CR3032 button batteries
  • Dimensions: 1.4 x 6.7 x 1.4 inches (36 x 170 x 36 mm)
  • Weight: 8.59 oz (243 g)
  • Housing: Waterproof IP57, floats in water
  • Features: Automatic calibration, Percent of Slope, ATC, data hold, Min/Max, auto power off, low battery indicator

Buy the Extech Series PH90 pH Meter: PH90

Get your Extech Series PH90 waterproof pH meter now online and enhance your liquid testing capabilities with its rugged design, flat surface electrode, and automatic calibration. Perfect for field work or laboratory use, this device offers precise pH and temperature readings, automatic temperature compensation, and electrode status monitoring with Percent of Slope. Its waterproof housing ensures durability in wet environments, and features like data hold, Min/Max recording, auto power off, and low battery alert make it an essential tool for water treatment, agriculture, food, and chemical industries. Buy now for accurate, dependable pH measurement.

Order your Extech Series PH90 waterproof pH meter today and get reliable, accurate measurements for your laboratory or field testing needs.

Frequently Asked Questions

Where can I buy EXTECH PH90?

You can click on the BUY or RFQ button to purchase PH90 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part PH90?

You can download the PH90 datasheet or visit the EXTECH website for support.

Who is the manufacturer of PH90?

EXTECH

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