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EXTECH PH300 Waterproof pH/mV/Temperature Meter

The Extech PH300 is a versatile, waterproof pH meter designed for laboratory, environmental, and water quality testing. It accurately measures pH, mV, and temperature, offering automatic calibration at 4, 7, and 10 pH levels with an optional three-point calibration for better accuracy. The device features automatic temperature compensation, a memory storing up to 200 readings, and a large, blue backlit dual LCD display for clear readings. Its rugged waterproof housing meets IP57 standards and includes auto power-off to conserve battery life. Complete with electrode, calibration solutions, protective holster, and carrying case, it is ideal for field and lab use.

Authorized Distributors
Source:DigiKey
Part No:PH300
Stock:0
Inv Date:06-05-2026
Price: Unit price: $409
Buy/RFQ:
Part No:PH300
Stock:0
Inv Date:06-06-2026
Price: Unit price: $409
Buy/RFQ:
Part No:PH300
Stock:0
Inv Date:06-05-2026
Price: Unit price: $409
Buy/RFQ:
Part No:PH300
Stock:0
Inv Date:06-05-2026
Price: Unit price: $409
Buy/RFQ:
Part No:PH300
Stock:0
Inv Date:06-05-2026
Price: Unit price: $409
Buy/RFQ:
Part No:PH300
Stock:0
Inv Date:06-05-2026
Price: Unit price: $409
Buy/RFQ:
Part No:PH300
Stock:0
Inv Date:06-05-2026
Price: Unit price: $409
Buy/RFQ:
Part No:PH300
Stock:1
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:
Part No:PH300
Stock:0
Inv Date:06-05-2026
Price: Unit price: $439
Buy/RFQ:
Authorized Distributors
Part No:PH300
Stock:1
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:

EXTECH PH300 Waterproof pH/mV/Temperature Meter Specifications:

  • pH Range: -2.00 to 19.99pH
  • mV Range: -1999 to +1999mV
  • Temperature Range: 82 to 212°F (0 to 100°C)
  • Resolution: 0.01 pH, 1mV, 0.1°C
  • Accuracy: ±0.02 pH, ±0.15 mV, ±1°F/20.5°C
  • Power: Two AA batteries
  • Dimensions (Meter): 4.7 x 2.6 x 1.2 inches (120 x 65 x 31 mm)
  • Kit Dimensions: 14 x 10.75 x 3 inches (355.6 x 273 x 76.2 mm)
  • Weight (Meter): 6.3 oz (180 g)
  • Weight (Kit): 2.9 lbs (1.3 kg)

Buy the Buy Extech PH300 Waterproof pH Meter Part Number PH300 Online

Order the Extech PH300 waterproof pH/mV/temperature meter today and enjoy reliable, lab-quality measurements in the field or laboratory. This versatile device offers automatic calibration at 4, 7, and 10 pH levels, with a 3-point calibration option ensuring greater accuracy. Its automatic temperature compensation, memory for up to 200 readings, large blue backlit LCD display, and waterproof housing make it ideal for water quality, environmental testing, and scientific research. Complete with electrode, calibration solutions, protective holster, and carrying case, it provides robust performance and portability for all your measurement needs.

Get Extech PH300 waterproof pH meter today—designed for precision, durability, and field-ready performance.

Frequently Asked Questions

Where can I buy EXTECH PH300?

You can click on the BUY or RFQ button to purchase PH300 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part PH300?

You can download the PH300 datasheet or visit the EXTECH website for support.

Who is the manufacturer of PH300?

EXTECH

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