HANNA HI 3817 Water Quality Test Kit

HANNA HI 3817 Water Quality Test Kit

Monitor the most important chemical parameters in water: alkalinity, chloride, hardness, iron, pH and sulfite with this combination test kit.
The kit has all the reagents needed to perform over 100 tests for each parameter (50 tests for iron). Reagents may also be purchased individually as they run out. (please see our reagent section for a complete listing).
pH measurements are performed with our electronic pHep® pH tester which guarantees more accurate and repeatable readings than litmus paper.
 
The chemical reagents to perform each test are provided in numerically labeled bottles and are easy to identify. All titration reagents are standardized, and do not require chemical handling to perform the analysis.
The kit is supplied with a convenient hard carrying case, designed with field applications in mind. It will also keep your test kit neat and organized.
The HANNA HI 3817 combination test kit offers all the necessary equipment for accurate and reliable water quality testing.


Order Information:

HI 3817 test kit includes all of the necessary reagents and accessories to perform over 100 tests for every parameter, for the exception of iron which include reagents for 50 tests, electronic pH tester, hard carrying case and instructions.
 
Specifications

Dimensions	440 x 330 x 100 mm (17.3 x 13.0 x 3.9")
Weight	2.1 kg (4.6 lb.)
Multi Parameter Chemical Test Kit Specifications
Parameter	Range	Method	Smallest Increment	Chemical Method	Number Of Test
Alkalinity	0-100 mg/L 0-300 mg/L	Titration	1 mg/L 3 mg/L	Phenolphthalein/ Bromphenol blue	approx. 110
Chloride	0-100 mg/L 0-1000 mg/L	Titration	1 mg/L 10 mg/L	Mercuric Nitrate	approx. 110
Hardness	0.0-30.0 mg/L 0-300 mg/L	Titration	0.3 mg/L 3 mg/L	EDTA	approx. 100
Iron	0-5 mg/L	Colorimetric	1 mg/L	Phenanthroline	approx. 100
pH	0.0-14.0 pH	Electronic pH Tester	0.1 pH	N/A	life of meter
Sulfite	0.0-20.0 mg/L 0-200mg/L	Titration	0.2 mg/L 2 mg/L	Iodometric	approx. 110

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HANNA HI 755 Checker®HC Handheld Colorimeter - Alkalinity

HANNA HI 755 Checker®HC Handheld Colorimeter - Alkalinity

Easier to use and more accurate than chemical test kits

• Colorimetric method
• Accuracy ±5 ppm ±5% of reading
• 1 ppm (mg/L) resolution
• Large, easy to read digits
• Auto shut off

Dedicated to a single parameter

• Designed to work with HANNA’s liquid reagents
• Uses 10 mL glass cuvettes

Small size, big convenience

• Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits into the palm of your hand or pocket
• Use for quick and accurate on the spot analysis
• Single button operation: zero and measure
• Operated by a single AAA battery

Ideal for Saltwater Aquariums :

The HANNA HI 755 Checker®HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and have low resolution while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain. The HANNA HI 755 Checker®HC is accurate and affordable.

The Checker®HC features an accuracy of ±5 ppm (mg/L) ±5% of reading and uses the colorimetric method.
The contoured style of this Checker®HC fits in your palm and pocket perfectly and the large LCD is easy to read. The auto shut-off feature assures the battery life will not be drained if you forget to turn it off.

The  HI 755 Checker®HC is extremely simple to use. After zeroing the instrument with your water sample, add the reagent to the cuvette and gently invert 5 times. Then insert the cuvette into the HI 755 Checker®HC and press the button to read the results. It’s that easy.
 
Order Information:

HI 755 Checker®HC is supplied with (2) sample cuvettes with caps, liquid reagents for alkalinity (25 tests approx.), syringe with tip, ­­­battery and instructions.
 
Specifications

Range	0 to 300 ppm (mg/L)
Resolution	1 ppm (mg/L)
Accuracy @ 25°C	±5 ppm (mg/L) ±5% of reading
Battery Type	(1) 1.5V AAA
Light Source	LED @ 610 nm
Light Detector	silicon photocel
Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
Autto-off	after ten minutes of non use
Dimensions	81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight	64 g (2.25 oz.)
Method	colorimetric method

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HANNA HI 701 Checker®HC Handheld Colorimeter - Free Chlorine

HANNA HI 701 Checker®HC Handheld Colorimeter - Free Chlorine

Easier to use and more accurate than chemical test kits

• EPA approved DPD method   
• ±0.03 ppm ±3% of reading accuracy
• 0.01ppm resolution, 250 points
• Large, easy to read digits
• Auto shut off

Dedicated to a single parameter

• Designed to work with HANNA’s powder reagents
• Uses 10 mL glass cuvettes

Small size, big convenience

• The Checker®HC easily fits into the palm of your hand or pocket
• Use for quick and accurate on the spot analysis
• Single button operation: zero and measure
• Operated by a single AAA battery

Ideal for:

• Swimming pools and spas, fruit and vegetable sanitation, disinfection, drinking water and quality control checks

The HANNA HI 701 Checker®HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain. The HANNA HI 701 Checker®HC is accurate and affordable.
This Checker®HC portable handheld colorimeter features a resolution of 0.01 ppm and ±0.03 ppm (mg/L) ±3% of reading accuracy. It also uses an EPA approved DPD method.
The contoured style of the Checker®HC fits in your palm and pocket perfectly and the large LCD is easy to read. The auto shut-off feature assures the battery life will not be drained if you forget to turn it off.
The HI 701 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the Checker®HC, press the button and read the results. It’s that easy.
Order Information:

HI 701 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents for Free Chlorine (6), battery and instructions.
Specifications

Range	0.00 to 2.50 ppm (mg/L)
Resolution	0.01 ppm (mg/L)
Accuracy @ 25°C	±0.03 ppm ±3% of reading
Battery Type	(1) 1.5V AAA
Light Source	LED @ 525 nm
Light Detector	silicon photocell
Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
Autto-off	after two minutes of non-use and ten seconds after reading
Dimensions	81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight	64 g (2.25 oz.)
Method	adaptation of USEPA method 330.5, DPD method

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HANNA HI 711 Checker®HC Handheld Colorimeter - Total Chlorine

HANNA HI 711 Checker®HC Handheld Colorimeter - Total Chlorine

Easier to use and more accurate than chemical test kits

• EPA approved DPD method   
• ±0.03 ppm ±3% of reading accuracy
• 0.01ppm resolution, 350 points
• Large, easy to read digits
• Auto shut off

Dedicated to a single parameter

• Designed to work with HANNA’s powder reagents
• Uses 10 mL glass cuvettes

Small size, big convenience

• The Checker®HC easily fits into the palm of your hand or pocket
• Use for quick and accurate on the spot analysis
• Single button operation: zero and measure
• Operated by a single AAA battery

Ideal for:

• Swimming pools and spas, fruit and vegetable sanitation, disinfection, drinking water and quality control checks

The HANNA HI 711 Checker® HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain. The HANNA HI?711 Checker®HC is accurate and affordable.

This Checker®HC portable handheld colorimeter features a resolution of 0.01 ppm and ±0.03 ppm (mg/L) ±3% of reading accuracy. It also uses an EPA approved DPD method.
The contoured style of the Checker®HC fits in your palm and pocket perfectly and the large LCD is easy to read. The auto shut-off feature assures the battery life will not be drained if you forget to turn it off.

The HI 711 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the Checker®HC, press the button and read the results. It’s that easy.
Order Information:

HI 711 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents for Total Chlorine (6), battery and instructions.
 
Specifications

Range	0.00 to 3.50 ppm (mg/L)
Resolution	0.01 ppm (mg/L)
Accuracy @ 25°C	±0.03 ppm ±3% of reading
Battery Type	(1) 1.5V AAA
Light Source	LED @ 525 nm
Light Detector	silicon photocell
Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
Autto-off	after two minutes of non-use and ten seconds after reading
Dimensions	81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight	64 g (2.25 oz.)
Method	adaptation of USEPA method 330.5, DPD method

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HANNA HI 727 Checker®HC Handheld Colorimeter - Color of Water

HANNA HI 727 Checker®HC Handheld Colorimeter - Color of Water

Easier to use and more accurate than chemical test kits

• Diphenylcarbohydrazide method
• Accuracy ±10 PCU ±5 % of reading
• 5 PCU resolution
• Large, easy to read digits
• Auto shut off

Dedicated to a single parameter

• Uses 10 mL glass cuvettes

Small size, big convenience

• Weighing a mere 64 g (2.25 oz.), the Checker®HC easily
• fits into the palm of your hand or pocket
• Use for quick and accurate on the spot analysis
• Single button operation: zero and measure
• Operated by a single AAA battery

Ideal for Water Quality
True color is caused by dissolved compounds in water. It can be natural or artificial.  Dissolved and suspended solids (together) cause apparent color. Color is measured in Platinum-Cobalt units. The AWWA recommends ≤ 15 PCU.

The HI 727 Checker®HC is extremely simple to use. First, zero the instrument with deionized water. Next, prepare the sample according to the Apparent/True color measurement. Place the second vial with prepared sample into the Checker®HC, press the operational button and the
HI 727 Checker®HC displays the color of water in PCU.

Order Information:

HI 727 Checker®HC is supplied with sample cuvettes with caps (2 ea.), battery and instructions
 
Specifications

Range	0 to 500 PCU
Resolution	5 PCU
Accuracy @ 25°C	±5% of reading ±10 PCU
Battery Type	(1) 1.5V AAA
Light Source	LED @ 470 nm
Light Detector	silicon photocell
Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
Autto-off	after two minutes of non-use
Dimensions	81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight	64 g (2.25 oz.)
Method	adaptation of the Standard Methods for the Examination of Water and Wastewater, 21th edition, Colorimetric Platinum Cobalt method

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HANNA HI 729 Checker®HC Handheld Colorimeter - Flouride Low Range

HANNA HI 729 Checker®HC Handheld Colorimeter - Flouride Low Range

Easier to use and more accurate than chemical test kits

• SPADNS method   
• ±0.05 ppm ±5% of reading accuracy
• Large, easy to read digits
• Auto shut off

Dedicated to a single parameter

• Designed to work with HANNA’s reagents
• Uses 10 mL glass cuvettes

Small size, big convenience

• Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits into the palm of your hand or pocket
• Use for quick and accurate on the spot analysis
• Single button operation: zero and measure
• Operated by a single AAA battery

Ideal for water quality

Fluoride is one of the very few chemicals that have been shown to cause significant effects in people through drinking-water. Fluoride has beneficial effects on teeth at low concentrations in drinking-water, but excessive exposure to fluoride in drinking-water, or in combination with exposure to fluoride from other sources, can give rise to a number of adverse effects.


Water fluoridation is the controlled addition of fluoride to a public water supply to reduce tooth decay. Fluoridated water operates on tooth surfaces: in the mouth it creates low levels of fluoride in saliva, which reduces the rate at which tooth enamel demineralizes and increases the rate at which it remineralizes in the early stages of cavities.
A 1994 World Health Organization expert committee suggested a level of fluoride from 0.5 to 1.0 mg/L, depending on climate. Bottled water typically has unknown fluoride levels, and some domestic water filters remove some or all fluoride.


The HI 729 Checker®HC is simple to use. For this measurement you need 2 vials (#1 and #2); in both vials add 2 mL of reagent and until the mark: deionized water in vial #1 and sample in vial #2, and gently invert 5 times, and wait 2 minutes. Then insert the cuvette #1 into the HI 729 Checker®HC and press the button to zero; after that cuvette #2 to read the measurement results.

Order Information:

HI 729 Checker®HC is supplied with sample cuvettes with caps (2), reagents for 6 tests, syringe with tip, battery and instructions.
 
Specifications

Range	0.00 to 2.00 ppm
Resolution	0.01 ppm
Accuracy @ 25°C	±0.05 ppm ±5% of reading
Battery Type	(1) 1.5V AAA
Light Source	LED @ 575 nm
Light Detector	silicon photocell
Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
Autto-off	after two minutes of non-use and ten seconds after reading
Dimensions	81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight	64 g (2.25 oz.)
Method	adaptation of SPADNS method

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HANNA HI 721 Checker®HC Handheld Colorimeter - Iron

HANNA HI 721 Checker®HC Handheld Colorimeter - Iron

Easier to use and more accurate than chemical test kits

• Phenanthroline method   
• ±0.04 ppm ±2% of reading accuracy
• 0.01ppm (mg/L) resolution (500 points)
• Large, easy to read digits
• Auto shut off

Dedicated to a single parameter

• Designed to work with HANNA’s powder reagents
• Uses 10 mL glass cuvettes

Small size, big convenience

• Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits into the palm of your hand or pocket
• Use for quick and accurate on the spot analysis
• One button operation: zero and measure
• Operated by a single AAA battery

Ideal for:

• Industrial, ground and treated waters, mining leachate monitoring and agricultural irrigation water

The HANNA HI 721 Checker®HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain. The HANNA HI 721 Checker®HC is accurate and affordable with immediate results.

The new HI 721 Checker®HC portable handheld colorimeter features a resolution of 0.01 ppm (500 points) and ±0.04 ppm ±2% of reading accuracy. The HI 721 Checker®HC uses an adaptation of Standard Method 315 B.
The contoured style of this Checker®HC fits in your palm and pocket perfectly and the large LCD is easy to read. The auto shut-off feature assures the battery life will not be drained if you forget to turn it off.

The HI 721 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the  HI 721 Checker®HC, press the button and read the results. It’s that easy.

Order Information:

HI 721 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents for iron (6), battery and instructions.
 
Specifications :

Range	0.00 to 5.00 ppm (mg/L)
Resolution	0.01 ppm (mg/L)
Accuracy @ 25°C	±0.04 ppm ±2% of reading
Battery Type	(1) 1.5V AAA
Light Source	LED @ 575 nm
Light Detector	silicon photocell
Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
Autto-off	after three minutes of non-use and ten seconds after reading
Dimensions	81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight	64 g (2.25 oz.)
Method	adaptation of the EPA Phenantroline method 315 B, for natural and treated waters.

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HANNA HI 726 Checker®HC Handheld Colorimeter - Nickel High Range

HANNA HI 726 Checker®HC Handheld Colorimeter - Nickel High Range

Easier to use and more accurate than chemical test kits

• Photometric method   
• ±0.10 g/L ±5% of reading accuracy
• 0.01g/L resolution (700 points)
• Large, easy to read digits
• Auto shut off

Dedicated to a single parameter

• Designed to work with HANNA’s powder reagents
• Uses 10 mL glass cuvettes

Small size, big convenience

• Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits into the palm of your hand or pocket
• Use for quick and accurate on the spot analysis
• One button operation: zero and measure
• Operated by a single AAA battery

Ideal for:

• Steel manufacturing, electroplating and electronics production

Nickel is extensively used in electroplating, the manufacturing of steel, electronic devices, ceramics and colored glasses. It plays a vital role in many processes of applied sciences and fundamental sciences. It necessitates development of rapid methods for estimation of nickel.

The HI 726 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent, shake gently until complete dissolution. Last, place the vial into the Checker®HC, press the operational button for about 3 seconds. The display will show the countdown prior to the measurement or, alternatively, wait for 1 minute and press operational button. When the timer ends the meter will perform the reading and display concentration in g/L of nickel. It’s that easy.

Order Information:

HI 726 Checker®HC is supplied with sample cuvettes with caps (2 ea.), powder reagents for Nickel HR (6), battery and instructions.

Specifications

Range	0.00 to 7.00 g/L
Resolution	0.01 g/L
Accuracy @ 25°C	±0.10 g/L ±5% of reading
Battery Type	(1) 1.5V AAA
Light Source	LED @ 575 nm
Light Detector	silicon photocell
Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
Autto-off	after three minutes of non-use and ten seconds after reading
Dimensions	81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight	64 g (2.25 oz.)
Method	adaptation of the photometric method

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HANNA HI 764 Checker®HC Handheld Colorimeter - Nitrite Ultra Low Range

HANNA HI 764 Checker®HC Handheld Colorimeter - Nitrite Ultra Low Range

Easier to use and more accurate than chemical test kits

• Adaptation of EPA Diazotization method
• ±10 ppb ±4% of reading accuracy
• 1 ppb resolution (200 points)
• Large, easy to read digits
• Auto shut off

Dedicated to a single parameter

• Designed to work with HANNA’s powder reagents
• Uses 10 mL glass cuvettes

Small size, big convenience

• Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits into the palm of your hand or pocket
• Use for quick and accurate on the spot analysis
• Single button operation: zero and measure
• Operated by a single AAA battery

Ideal for Aquaculture

The HANNA HI 764 Checker®HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain. The HANNA HI 764 Checker®HC is accurate and affordable.


The HI 764 Checker®HC portable handheld colorimeter features a resolution of 1 ppb and uses an adaptation of EPA Diazotization method 354.1.
The contoured style of this Checker®HC fits in your palm and pocket perfectly and the large LCD is easy to read. The auto shut-off feature assures the battery life will not be drained if you forget to turn it off.


The HI 764 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the HI 764 Checker®HC, press the button and read the results. It’s that easy.

Order Information:

HI 764 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents for Nitrite (6), battery and instructions.
 
Specifications

Range	0 to 200 ppb
Resolution	1 ppb
Accuracy @ 25°C	±10 ppb ±4% of reading
Battery Type	(1) 1.5V AAA
Light Source	LED @ 575 nm
Light Detector	silicon photocell
Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
Autto-off	after three minutes of non-use
Dimensions	81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight	64 g (2.25 oz.)
Method	Adaptation of EPA Diazotization method 354.1.

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HANNA HI 713 Checker®HC Handheld Colorimeter - Phosphate Low Range

HANNA HI 713 Checker®HC Handheld Colorimeter - Phosphate Low Range
Easier to use and more accurate than chemical test kits

• Ascorbic acid method
• ±0.04 ppm ±4% of reading accuracy
• Large, easy to read digits
• Auto shut off

Dedicated to a single parameter

• Designed to work with HANNA’s reagents
• Uses 10 mL glass cuvettes

Small size, big convenience

• Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits into the palm of your hand or pocket
• Use for quick and accurate on the spot analysis
• Single button operation: zero and measure
• Operated by a single AAA battery

Ideal for:

• Aquaculture, natural, waste, drinking waters and agriculture

Orthophosphates are found in natural and wastewaters. They are commonly added to drinking water as a corrosion inhibitor. The instantaneous analysis of orthophosphate by colorimetric determination provides rapid results using a standard analysis technique.

The HANNA HI 713 Checker®HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give only a few resolution points while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain. The HANNA HI 713 Checker®HC is accurate and affordable.

The HI 713 Checker®HC portable handheld colorimeter features a resolution of 0.01 ppm (250 points) and ±0.04 ppm (mg/L) ±4% of reading accuracy. The HI 713 Checker®HC uses an adaptation of Standard Method 4500-P E, Ascorbic Acid method.

The HI 713 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagents. Last, place the vial into the Checker®HC, press the button and read the results. It’s that easy.
Order Information:

HI 713 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents for phosphate (6), battery and instructions.
Specifications

Range	0.00 to 2.50 ppm (mg/L)
Resolution	0.01 ppm (mg/L)
Accuracy @ 25°C	±0.04 ppm (mg/L) ±4% of reading
Battery Type	(1) 1.5V AAA
Light Source	LED @ 575 nm
Light Detector	silicon photocell
Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
Autto-off	after two minutes of non-use and ten seconds after reading
Dimensions	81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight	64 g (2.25 oz.)
Method	adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, Ascorbic Acid method

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HANNA HI 717 Checker®HC Handheld Colorimeter - Phosphate High Range

HANNA HI 717 Checker®HC Handheld Colorimeter - Phosphate High Range

Easier to use and more accurate than chemical test kits

• Amino acid method
• ±1.0 ppm ±5% of reading accuracy
• Large, easy to read digits
• Auto shut off

Dedicated to a single parameter

• Designed to work with HANNA’s reagents
• Uses 10 mL glass cuvettes

Small size, big convenience

• Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits into the palm of your hand or pocket
• Use for quick and accurate on the spot analysis
• Single button operation: zero and measure
• Operated by a single AAA battery

Ideal for:

• Aquaculture, natural, waste, drinking waters and agriculture

Orthophosphates are found in natural and wastewaters. They are commonly added to drinking water as a corrosion inhibitor. The instantaneous analysis of orthophosphate by colorimetric determination provides rapid results using a standard analysis technique.

The HANNA HI 717 Checker®HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give only a few  resolution points, while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain. The HANNA HI 717 Checker®HC is accurate and affordable.
The HI 717 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagents. Last, place the vial into the Checker®HC, press the button and read the results. It’s that easy.

Order Information:

HI 717 Checker®HC is supplied with sample cuvettes with caps (2), reagents for 20 tests, battery and instructions.

Specifications

Range	0.00 to 30.0 ppm (mg/L)
Resolution	0.1 ppm (mg/L)
Accuracy @ 25°C	±1.0 ppm (mg/L) ±5% of reading
Battery Type	(1) 1.5V AAA
Light Source	LED @ 575 nm
Light Detector	silicon photocell
Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
Autto-off	after two minutes of non-use and ten seconds after reading
Dimensions	81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight	64 g (2.25 oz.)
Method	adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Amino Acid method

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