Hanna Instruments

Scientific Equipment

HI-775 Freshwater Alkalinity Colorimeter - Checker®HC

HI-775 Freshwater Alkalinity Colorimeter - Checker®HC

HANNA HI-775 Alkalinity Checker for Drinking Water

HI-775 Freshwater Alkalinity Colorimeter - Checker®HC

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

Ideal for fresh water aquariums (not suitable for salt water marine tanks).

The HI-775 Alkalinity Checker for fresh water is a simple, accurate and cost effective way to measure alkalinity in fresh water.

Checker®HC is supplied with reagents for 25 tests. Use code HI-775-26 for future purchases.

HI-775 Freshwater Alkalinity Colorimeter - Checker®HC information

Hanna's extended description

Designed as a more accurate alternative to chemical test kits, it is easy to use with single button operation and a large LCD display. This mini tester also features auto shut-off to ensure a longer battery life.

The HI-775 is ideal for checking water quality, great for educational and environmental applications and for use in freshwater aquaria.

Designed as a more accurate alternative to chemical test kits, the HI-775 provides quick, accurate results in four easy steps. (See below).

The HI-775 uses a colorimetric method. The reaction causes a distinctive range of colours from yellow to blue to develop. This meter has been developed to work with fresh water samples.

Please note: Any chlorine present in the sample will interfere with the reading. To remove the chlorine interference add one drop of HI-93755-53 Chlorine Remover to the unreacted sample prior to testing.


Features:

  • Small palm-sized design
  • Accurate from ±5ppm ± 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
  • Freshwater Aquarium
  • Environmental

Order Information:

The HI-775 Checker®HC is supplied with 2 cuvettes and caps, alkalinity reagent kit for 25 tests (HI-775-26), 1 x1.5V AAA battery, and an instruction manual.

Also available: HI-775-11 Calibration set.

Four steps. One click. Instant Readout.

1. ‘Zero’ the Checker®HC with your vial & 10ml water sample inside




2. Take the vial out 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 HI-775-26 Reagents with HI-775 Freshwater Alkalinity Colorimeter - Checker®HC - 25 tests.



Use HI-775-11 Calibration Check Sets with HI-775 Freshwater Alkalinity Colorimeter - Checker®HC.

Specifications

Specifications list

Specifications

Range 0 to 500 ppm
Resolution 1 ppm
Accuracy (@25°C/77°F) ±5 ppm ± 5% of reading
Measurement Method Colorimetric
Light Source LED @ 610 nm
Light Detector Silicon photocell
Method Colorimetric method. The reaction causes a distinctive range of colours from yellow to green to blue to develop. This meter has been developed to work with fresh water samples.
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.)
Ordering information: Supplied with sample cuvettes with caps (2), alkalinity reagent starter kit (reagents for 25 tests), syringe with tip, battery, instructions and quick start guide.

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