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Hanna Instruments HI 711 Checker HC Handheld Colorimeter, For Total Chlorine

4.1 4.1 out of 5 stars 73 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Lab Colorimeters by Hanna Instruments
$67.99
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Purchase options and add-ons

  • More accurate than chemical test kits, less expensive than professional testing
  • Single-button operation for ease of use
  • Uses EPA-approved DPD method 4500-Cl G, for uses with these requirements
  • Large LCD screen for readability
  • Auto shut-off to extend battery life

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Hanna Instruments HI 711 Checker HC Handheld Colorimeter, For Total Chlorine
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HI711-25 - Total Chlorine Reagents (25) by Hanna Instruments
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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 5 x 3 x 4 inches; 8.82 ounces
  • Item model number ‏ : ‎ HI-711
  • Batteries ‏ : ‎ 1 AAA batteries required.
  • Date First Available ‏ : ‎ April 21, 2010
  • Manufacturer ‏ : ‎ Hanna Instruments
  • ASIN ‏ : ‎ B003IKNJN4
  • Customer Reviews:
    4.1 4.1 out of 5 stars 73 ratings

Product Description

HI711

Total Chlorine Colorimeter - Checker HC

Use our simple handheld colorimeter to get higher accuracy water testing results. Forget about the struggle of matching your sample to a color chart, our total chlorine colorimeter eliminates the struggle and provides you a digital total chlorine result directly. Our ammonia colorimeter brings you more precise technology than your typical chemical test kit giving you accurate and consistent results.

  • Easily carry our handheld colorimeter in your pocket
  • With one-button operation getting your total chlorine result is simple
  • Make sure your results are consistent with our built-in timer.

HI711

The HI711 Checker HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure total chlorine. Chlorine is a popular disinfectant used in municipal water, fruits and vegetables, as well as equipment in the food and beverage industry. Though beneficial in destroying pathogens, levels greater than 4 parts per million (ppm) is harmful to humans and therefore, must be monitored. Designed as a more accurate alternative to chemical test kits, the HI711 provides quick, accurate results in a few easy steps.

HI711

Features and Benefits

  • Easier to use and more accurate than chemical test kits
  • Dedicated to a single parameter
  • Small size, big convenience
  • Ideal for: Water Quality, Education, Pool and Spa

Range 0.00 to 3.50 ppm
Resolution 0.01 ppm
Accuracy @ 25°C/77°F ±0.03 ppm ±3% of reading
Light Source LED @ 525 nm
Light Detector Silicon photocell
Method Adaptation of USEPA method 330.5, DPD method
Battery Type (1) 1.5V AAA
Auto-off After two minutes of non-use
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5”)
Weight 64 g (2.3 oz)
Ordering Information HI711 Checker HC is supplied with sample cuvettes with caps (2), total chlorine reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide.
Reagent Set HI711-25 (25 tests)
Calibration Set HI711-11

Product guides and documents

User Manual (PDF)

Looking for specific info?

Customer reviews

4.1 out of 5 stars
4.1 out of 5
73 global ratings

Customers say

Customers like the performance and ease of use of the pool water test kit. For example, they mention it works great and is simple to use. That said, opinions are mixed on accuracy.

AI-generated from the text of customer reviews

8 customers mention6 positive2 negative

Customers like the performance of the lab supply. For example, they mention it works great, produces expected results, and works like a champ on pool water.

"I tested before and after a carbon filter. Results were as expected. It only come with chemicals for a few tests. Seems fairly accurate." Read more

"Works great and allowed me to check that my water is free of chlorine (after treatment) for home brewing...." Read more

"It's not cheap. And the worst part is it's not working. The machine turned off by itself while waiting (per instruction). I bought this in 2017...." Read more

"This instrument works well. I use it to check the residual chlorine in my potable rainwater collection tank." Read more

5 customers mention5 positive0 negative

Customers find the product easy to use. They say it's better than visual color matching and an effective test.

"Simply easy to use, better than visual color matching." Read more

"Unlike the HI 729 Fluoride test, this one is really simple. You zero the device using your sample before you add the reagent...." Read more

"Nifty instrument. Simple. Economical." Read more

"Great little tester. Seems accurate and its a breeze to use. If I lost the one I bought I would not hesitate to buy another." Read more

4 customers mention2 positive2 negative

Customers are mixed about the accuracy of the lab supply. Some mention it seems fairly accurate, while others say it's very inaccurate.

"...It only come with chemicals for a few tests. Seems fairly accurate." Read more

"...test result was much lower than I expected so I suspected the meter was not accurate...." Read more

"Great little tester. Seems accurate and its a breeze to use. If I lost the one I bought I would not hesitate to buy another." Read more

"Very inaccurate and buttons hard to used" Read more

Top reviews from the United States

Amazon Customer
5.0 out of 5 stars Seems fairly accurate but only come with a few test packs.
Reviewed in the United States on May 18, 2022
Verified Purchase
I tested before and after a carbon filter. Results were as expected. It only come with chemicals for a few tests. Seems fairly accurate.
One person found this helpful
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e brown
4.0 out of 5 stars works well compact
Reviewed in the United States on March 31, 2024
Verified Purchase
I compared it to my old tester values are close this is more compact a lot more value for price. USPS did not listen to delivery request they did not put it on the front porch like requested.
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Dan Cotton Sr
5.0 out of 5 stars Easy to use
Reviewed in the United States on October 4, 2023
Verified Purchase
Compared to the old wheel type I use to used and have to guess. This takes all the guessing out of it.
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Tom
5.0 out of 5 stars Works great -- be careful in following the instructions
Reviewed in the United States on November 18, 2014
Verified Purchase
Works great and allowed me to check that my water is free of chlorine (after treatment) for home brewing. Read and follow the instructions carefully--the unit works by making a comparison of two measurements and if you get a step wrong you have to start over.
2 people found this helpful
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Neal Vanderstelt
1.0 out of 5 stars Junk.. Worked 2 times, on the 3rd time failed. That's a 1 star in my book
Reviewed in the United States on February 25, 2021
Verified Purchase
I have to pay for shipping to the manufacture.. Going to have to buy a USPS box and pay for shipping.. It's outside the return window on Amazon which is nonsense. I only need it once a month.. That's typically what these meters are for.. I don't have a reading now for February.. I guess you have to buy 2 in case one fails.. I followed the procedures exactly.. I'm certified in as a water operator and I also program my own software.. So this will be yet another set back. The meter works when it works but as far as durability it is junk.
2 people found this helpful
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Josh
4.0 out of 5 stars Way cheaper than Hach.
Reviewed in the United States on November 15, 2023
Verified Purchase
Quick delivery and affordable option of testing.
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Tony B.
5.0 out of 5 stars Excellent experience thus far.
Reviewed in the United States on December 1, 2016
Verified Purchase
Received it and tested my water for chorine/chloramines. The test result was much lower than I expected so I suspected the meter was not accurate. I called the county water supplier and the technician told me that my measurement was very much in the expected range based on testing in my area by the water provider. Very happy with the purchase thus far.
2 people found this helpful
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RICHARD G.
5.0 out of 5 stars Easy to use
Reviewed in the United States on September 24, 2022
Verified Purchase
Simply easy to use, better than visual color matching.
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Top reviews from other countries

Julius F.
5.0 out of 5 stars good product
Reviewed in Canada on February 17, 2019
Verified Purchase
good product
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