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Extech Instruments PH90 Waterproof pH Meter

The waterproof pH meter offers rugged, IP57-rated housing with a flat surface electrode designed for accurate pH measurements in liquids, semi-solids, and solids. Its replaceable flat surface electrode prevents clogging and breakage, making it ideal for field and laboratory applications such as agriculture, water treatment, and industrial processes. Features include automatic temperature compensation, simultaneous pH and temperature display, and a TDS-based electrode replacement indicator. Compact and waterproof, it provides reliable, maintenance-free operation suitable for testing in wet environments and rough conditions.

Authorized Distributors
Source:Newark
Part No:PH90
Stock:2
Inv Date:06-21-2026
Price: Unit price: $162.47
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Source:DigiKey
Part No:PH90
Stock:0
Inv Date:06-21-2026
Price: Unit price: $124
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Part No:PH90
Stock:0
Inv Date:06-22-2026
Price: Unit price: $124
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Part No:PH90
Stock:0
Inv Date:06-21-2026
Price: Unit price: $124
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Part No:PH90
Stock:0
Inv Date:06-21-2026
Price: Unit price: $111.7
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Part No:PH90
Stock:0
Inv Date:06-21-2026
Price: Unit price: $145.4
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Part No:PH90
Stock:0
Inv Date:06-21-2026
Price: Unit price: $134
Buy/RFQ:
Part No:PH90
Stock:0
Inv Date:06-21-2026
Price: Unit price: $124
Buy/RFQ:
Part No:PH90
Stock:0
Inv Date:06-21-2026
Price: Unit price: $145.4
Buy/RFQ:
Authorized Distributors
Part No:PH90
Stock:0
Inv Date:06-21-2026
Price: N/A
Buy/RFQ:

Extech Instruments PH90 Waterproof pH Meter Specifications:

  • Range: pH 0 to 14.00 pH, Temperature 0 to 90°C
  • Resolution: 0.01 pH, 0.1°C
  • Accuracy: ±0.01 pH or ±0.2 pH, Temperature ±0.1°C
  • Waterproof design with IP57 rating, floats in water
  • Power: Two 3V CR3032 batteries
  • Dimensions: 36 x 170 x 36 mm (1.4 x 6.7 x 1.4 inches)
  • Weight: 8.59 oz (302 g)
  • Features: Automatic calibration, automatic temperature compensation, data hold, min/max, auto power off, electrode TDS percent of slope indicator

Buy the Extech PH90 – Reliable Waterproof pH Meter for Industrial Applications

Order the Extech PH90 waterproof pH meter online today to ensure precise and reliable pH measurements in demanding environments. Its rugged design, flat surface electrode, and automatic features make it perfect for field and lab use across industries such as agriculture, water treatment, food, and chemical processing. With easy calibration, waterproof floatation, and a compact form, this meter provides quick results, durability, and convenience. Enhance your measurement capabilities by purchasing online now for swift delivery and dependable performance.

Buy Extech PH90 now and experience unmatched reliability and performance for accurate pH measurement in tough environments.

Frequently Asked Questions

Where can I buy Extech Instruments PH90?

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

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

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

Who is the manufacturer of PH90?

Extech Instruments

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