Currently unavailable.
We don't know when or if this item will be back in stock.

Have one to sell? Sell on Amazon

Hanna Instruments HI 755 Checker HC Handheld Colorimeter, For Alkalinity (1 cuvette, 1 bottle of liquid reagent and 1 syringe - Included)

4.7 out of 5 stars 45 customer reviews

Currently unavailable.
We don't know when or if this item will be back in stock.

Specifications for this item
Brand Name Hanna Instruments
Color Blue
Compatible Devices HI755
Display LCD
EAN 0701748849523 , 0798804897000
Import Designation Imported
Number of Items 1
Part Number HI 755
UNSPSC Code 41115300
UPC 798804897000 , 701748849523

The Hanna Instruments HI 755 Checker HC Handheld Colorimeter measures the a... See more product details


Image
Explore Hanna Instruments
Shop our selection of Hanna Instruments products, featuring pH Meters, Titrators, and more. Learn more

Product Features

  • Portable colorimeter measures the alkalinity of saltwater aquariums
  • Includes two cuvettes with caps, liquid reagent for alkalinity, and a syringe with tip for testing water samples
  • LCD screen displays results with an accuracy of + or - 5 ppm + or - 5% of reading and resolution of 1 ppm
  • Single-button operation to zero the display and begin a test for ease of use
  • Compact size for storage and carrying ease

Product Details

  • Product Dimensions: 4 x 3 x 2 inches
  • Shipping Weight: 13.6 ounces
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B005FH2O6G
  • Item model number: HI 755
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (45 customer reviews)
  • Amazon Best Sellers Rank: #36,772 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Product Warranty: For warranty information about this product, please click here

Product Description

The Hanna Instruments HI 755 Checker HC Handheld Colorimeter measures the alkalinity of saltwater aquariums, has an LCD screen, and an accuracy of + or - 5 ppm + or - 5%. This portable colorimeter measures the alkalinity of saltwater aquariums. It includes two cuvettes with caps, liquid reagent for alkalinity, and a syringe with tip for testing water samples. The reagent is good for approximately 25 tests. The LCD screen displays test results with an accuracy of + or - 5 ppm + or - 5% of reading and resolution of 1 ppm. It has single-button operation to zero the display and begin a test for ease of use. The colorimeter's compact size provides ease of storage and carrying. The unit operates on a single AAA battery, and turns off automatically after 10 minutes of non-use to conserve battery life.

Specifications
MethodColorimetric method
Range0 to 300 ppm (mg/L)
Resolution1 ppm (mg/L)
Accuracy+ or - 5 ppm (mg/L) + or - 5% (at 25 degrees C/77 degrees F)
Light sourceLED @ 610 nm
Light detectorsilicon photocell
Working environment0 to 50 degrees C (32 to 122 degrees F); RH max 95% non-condensing
Battery1 AAA
Weight64 g/2.25 oz.
Dimensions81.5 x 61 x 37.5 mm/3.2 x 2.4 x 1.5 inches (H x W x D)

H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

Hanna Instruments manufactures analytical instrumentation and supplies, including pH meters, electrodes, chemical reagents, and buffer solutions. The company, founded in 1978 and headquartered in Woonsocket, RI, meets International Organization for Standardization (ISO) standard 9001.

What's in the Box?
  • Hanna Instruments HI 755 Checker HC handheld colorimeter
  • (2) cuvettes with caps
  • Liquid reagent for alkalinity
  • Syringe with tip
  • AAA battery
  • Instructions

Customer Reviews

Top Customer Reviews

Verified Purchase
I have many testing kits and of all the Hanna meters this is the easiest to use! Hanna should think of changing the reagents for the Phosphate tester to liquid like this one.

Great Kit!
Comment 5 of 5 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Verified Purchase
I think this is an accurate test kit and it is extremely easy to use but it is hard to get the top to open. I feel like I am going to break it getting it to open. None the less, if you hate reading colors yourself or doing titration test for alk then this is a good product for you. One sample of water and 1ml of test solution and your set. Press the button and done!
1 Comment 4 of 4 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
By Neil on March 22, 2013
Verified Purchase
Very easy to use. There's a calculator online to convert the units (ppm) to dkh which is the more universal way of measuring alkalinity in reef aquaria. I'd give it a 5, but the glass cuvettes scratch up and shatter pretty easily. I dropped one cuvette no more than two feet and it completely shattered. Completely my fault, but contacting Hanna Instruments by phone and email is a PITA. So far no responses from them, and replacements only come in a 4 pack not including the covers.
Comment 3 of 3 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Verified Purchase
OMG. I waited FAR TOO LONG to purchase a Hanna Checker test kit. This test kit is my new god. So easy, no color matching, no questions, no doubt. If you are even remotely considering purchasing one- DO IT NOW. I guess I should mention that I use it for testing the Alkalinity of my reef tank. Some helpful tips: make sure you don't get fingerprint smudges all over the test vial- it will mess with your sample. And make sure you read and follow all instructions. I'm now throwing my Salifert kit into the garbage. I am also going to purchase a Hanna Checker for Phosphate and Calcium.
Comment 1 of 1 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Verified Purchase
This kit comes with everything you need and enough reagent to last quite a few tests. It is easy to use just be sure to follow the directions exactly and to be accurate with the 10 mL of water and keep the little jars clean while using. I recommend picking up a glass microfiber towel from a dollar store or something.

Easy to use, you might only need the directions once or twice and there is no learning curve just be accurate as possible with the amounts you put in. Gives you an answer within seconds. I multiply the result by .056 to get my reef tank alkalinity.
Comment 1 of 1 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Verified Purchase
Testing made easy. Worth every penny.
Comment 2 of 2 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Verified Purchase
I bought this to check alkalinity in my reef tanks. Fast, easy and works well. Repeated testing shows that the system is relatively precise.
Comment 1 of 1 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Verified Purchase
love it ,this instrument is very easy to use,works great,no more guess work on the color of the result...love it
Comment 1 of 1 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Want to discover more products? Check out these pages to see more: hanna instruments, hanna instruments reagent kit, hanna alkalinity meter, hanna ph meter kit