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Home » Aquarium Supplies  » Water Testing  » Handheld Devices  »  Hanna Instruments Checker pH Pen
Hanna Instruments Checker pH Pen

Hanna Instruments Checker pH Pen

In Stock: Order by 2PM EST for same-day shipping (M-F only)
Item #:
HN1135
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Hanna Instruments Checker pH Pen Information


Product Manuals & Documentation

  • High accuracy with 0.01 pH resolution
  • Two point fast and accurate calibration
  • Usable with virtually any electrode that shares the same connector
  • 3000 hours of battery life
  • HI 1270 small diameter probe fitseasily into a test tube
  • Supplied with HI 1270 pH electrode, batteries and instructions
The pH Checker® series supplies users with fast and accurate readings from 0 to 14 pH with a resolution of 0.01 pH. This compact tester features an easy to read LCD and simple to perform two point calibration.

The pH electrode of the Checker® can be easily replaced. You only need to unscrew the electrode from the meter body and screw on a new one.

The Checker® is fast, accurate, lightweight and with 3000 hours of battery life, you don`t have to worry about frequent battery replacement.

  • Range 0.00 to 14.00 pH
  • Resolution 0.01 pH
  • Accuracy ±0.2 pH
  • Calibration manual, 2 points
  • Electrode HI 1270 (included)
  • Battery Type / Life 1.5V (2) / approximately 3000 hours of continuous use
  • Environment 0 to 50°C (32 to 122°F); RH max 95%
  • Dimensions 66 x 50 x 25 mm (2.6 x 2.0 x 1.0") - without probe
  • Weight 50 g (1.8 oz.) without probe
  • pH Calibration Solution and Electrode Storage Fluid are sold separately





Manufacturer Info

Hanna Instruments USA Aquarium Supplies
Hanna Instruments is a leading manufacturer of analytical aquarium instrumentation. They were founded in 1978 and are headquartered in Woonsocket, Rhode Island. When Hanna introduced pH Electronic Paper in 1986 it literally revolutionized the world of testing by allowing millions of people in various industries to test for pH in a simple, accurate and affordable way. Hanna employees are constantly challenging themselves to improve on existing technology and to invent new testing techniques with the common goal to simplify analytical testing. This applies not only to instrumentation, but also to sensors development, reagents and chemicals. Hanna also believes in controlling the quality of their products from inception to delivery so they manufacture everything themselves, from meters and electrodes to chemical reagents and buffer solutions.

Hanna Instruments Checker pH Pen Reviews



Average Rating
(6 reviews)
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Very Disappointed.

by
Reviewers Rating Below Average


Posted: 10/7/2014 from Churchville, NY UNITED STATES
2.0 5
Experience Level: Expert


Comments: Granted, you get what you pay for and at $40 it's a great price. Unfortunately, this about the most unstable PH tester I have tried. It literally HAS to be calibrated before every use. I've actually calibrated it... used it... and then checked it and it was off already. Very frustrating. If you order this be sure you have 7.0 and 10.0 calibration solution on hand. I've checked this against professional PH equipment and trust me, if you do not calibrate it regularly you are not getting an accurate reading. I wish I had put this 40 bucks toward a more expensive model.


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Super easy to use

by
Reviewers Rating Excellent!


Posted: 9/12/2014 from San Diego, CA UNITED STATES
5.0 5
Experience Level: Intermediate


Comments: Forget color changing test. I have complete trust in Hanna. When you recieve product you get a certificate of calibration and who calibrated it.


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Awesome ph probe

by
Reviewers Rating Excellent!


Posted: 8/11/2014 from GRANADA HILLS, CA UNITED STATE
5.0 5
Experience Level: Expert


Comments: Great quality product. Make sure to get the calibration liquid packs along with this to properly calibrate the probe. Shows exact numbers to a T. Does take awhile to read but works perfectly!


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Good pH Tester

by
Reviewers Rating Excellent!


Posted: 4/26/2014 from EL CAJON, CA UNITED STATES
5.0 5
Experience Level: Expert


Comments: Easy to use and accurate. I like this product.


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Love it

by
Reviewers Rating Excellent!


Posted: 7/29/2013 from SOMERSET, KY UNITED STATES
5.0 5
Experience Level: Intermediate


Comments: I chose this brand name because it is the same brand we used in the medical lab I used to work at. When I saw the price, I had to get two in case 1 died. Both meters seem to drift just a little the first few times I used them. Then they both began to behave perfectly. The more expensive model we used in the lab behaved the same way when new. That one is still in use. I can't believe the quality for the price. No more buying dip sticks for me.


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Good ph tester

by
Reviewers Rating Excellent!


Posted: 4/14/2013 from Spring, TX UNITED STATES
5.0 5
Experience Level: Intermediate


Comments: Quick and easy to use!


12 of 13 People found this review helpful, did you? Yes No


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