Add $175.00 for FREE shipping
Shop All!
Tool Type
pH Meter
Temperature Measurement
Battery Operated
LCD Display
LED Feedback
Water Resistant
Ease of Installation
Beginner (Installs < 10 minutes)
Extech Instruments
Other Ways to Shop
In Stock
On Sale
Order the Smarthome Catalog

Compact Size pH Meter with Cabled pH Electrode
Extech Instruments PH220-C Waterproof Palm pH Meter with Temperature
Extech Instruments PH220-C Waterproof Palm pH Meter with Temperature
Extech Instruments PH220-C Waterproof Palm pH Meter with Temperature
Item# 90265
Price: Normally $169.99 
Hot Deal $143.36
Free shipping on orders over $175 - See Details


  • Large LCD displays pH or mV and Temperature simultaneously
  • Microprocessor provides for Automatic Buffer recognition
  • Memory stores 25 readings
  • Automatic Temperature Compensation
  • Unit is completely waterproof when electrode is connected to the meter
  • Low Battery indicator and Auto Power off
  • Includes cabled pH electrode, protective holster, pH buffers and 9V battery

Essential Info

This microprocessor-based device with tactile push-buttons is battery operated and ideal for field use. The PH220 simultaneously displays pH and temperature. The rubber holster which protects the meter has a magnetic backing for convenient mounting. The built-in memory (25 readings) allows STORE, RECALL, and CLEAR functionality. Careful use of this meter will provide years of reliable service.


What's Included

  • Cabled pH Electrode
  • Protective Holster
  • pH Buffers
  • 9V Battery
  • More Info

    Big Digit LCD display in rugged housing
    With choice of stick or cabled pH Electrode


  • pH: 0.00 to 14.00pH
  • mV: -999 to 999mV
  • Temperature: 32 to 212F (0 to 99.9C)
  • Resolution: 0.01pH,1mV, 0.1
  • Accuracy: 0.01pH, 2mV, 0.8F/±0.5C
  • Dimensions: 4.4 x 3.1 x 1.5in (111 x 79 x 39mm)
  • Weight: 9.2oz (260g)

  • Important notes:
    Only defective exchanges for identical item within 30 days of purchase. No other returns allowed on this item. For defective returns after 30 days, please contact the manufacturer.
    Manufacturer contact information: Extech Instruments Corp, Tel: (781) 890-7440 Ext 200



    9-Volt Batteries       
    9-Volt Batteries       

    Related Items

    Sign-up for Exclusive Email offers 
    How to Order Track Your Package Shipping Returns Contact Us Customer Service Retail Store
    Getting Started Learning Center FAQ Dealers Customer Testimonials Affiliate Program
    About Us INSTEON Press Awards Employment Guarantees Security & Privacy
    Free Catalog Email Newsletter Forum RSS Site Map
    Have questions? Call us at 800-762-7846 (Mon-Fri 5am-7pm and Sat 6am-3pm PT) or send us a message
    Place your order by 3pm PT for same day shipping
    Copyright 1995-2014 SMARTHOME™
    Verisign Secure Site PayPal Acceptance Mark