Hanna Instruments

Scientific Equipment

HI-771 Chlorine Ultra High Range Handheld Colorimeter, Checker®HC

HI-771 Chlorine Ultra High Range Handheld Colorimeter, Checker®HC

HI-771 Chlorine Handheld Colorimeter Checker®HC Ultra High Range (0-500ppm)

HI-771 Chlorine Ultra High Range Handheld Colorimeter, Checker®HC

0 to 500 ppm
Ideal for swimming pools
In Stock
£62.50 (exc. VAT) £75.00 (inc. VAT)

Ideal for swimming pools & spas, the HI-771 Checker for Total Chlorine (UHR) is a simple, accurate and cost effective way to measure ultra-high ranges of total chlorine.

Checker®HC is supplied with reagents for 6 tests. Use code HI-771-25 (25 tests) for future purchases.

HI-771 Chlorine Ultra High Range Handheld Colorimeter, Checker®HC information

Hanna's extended description

Ideal for swimming pools & spas, the HI-771 Checker for Total Chlorine (UHR) is a simple, accurate and cost effective way to measure ultra-high ranges of total chlorine.

Designed as a more accurate alternative to chemical test kits, the HI-771 provides quick, accurate results in four easy steps.


The HI-771 uses an adaptation of the standard methods for water and wastewater 4500Cl.


Features

  • Small palm-sized design
  • Accurate from ±3 ppb ±5% of reading
  • Dedicated to a single parameter
  • Uses a single AAA battery
  • Auto Power Off after 10 minutes in inactivity
  • Built-in timer for timed reaction readings

Ideal for

  • Water Quality
  • Education
  • Plating
  • Environmental





Chlorine is the most common water disinfectant

The monitoring of chlorine is crucial in applications such as swimming pools and spas, fruit and vegetable sanitation, disinfection and drinking water. By monitoring this crucial parameter, serious health and safety risks can be avoided.

Four steps. One click. Instant Readout.

1. ‘Zero’ the Checker®HC with your vial inside




2. Place a 10ml water sample into the vial and add your reagent




3. Place your vial into your Checker®HC




4. Press the button and read the results



Battery powered – Allows use away from a power source. Batteries are included with all battery operated products.



Use Reagents HI-771-25 for HI-771 Chlorine UHR Handheld Colorimeter, Checker®HC x 25 tests.



Use Calibration Check set HI-771-11 for HI-771 Chlorine UHR Handheld Colorimeter Checker®HC

Specifications

Specifications list

Specifications

Range 0 to 500 ppm
Resolution 1 ppm
Accuracy (@25°C/77°F) ±3 ppm ± 5% of reading
Measurement Method Colorimetric
Light Source LED @525 nm
Light Detector Silicon photocell
Method Adaptation of the standard methods for water and wastewater 4500Cl.
Power Supply Battery - 1 x 1.5V AAA
Power Auto Off After 10 min. of inactivity
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight 64 g (2.25 oz.)

Order Information: The HI-771 Checker is supplied with 2 cuvettes and caps, reagent starter kit (re-ordering information: HI-771-25 x 25 tests), 1 x 1.5V AAA battery, and an instruction manual.

Also available: Calibration set HI-771-11.

Product Literature

literature - PDF

Hanna Instruments Literature

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