Hanna Instruments

Scientific Equipment

HI-758 Marine Calcium Handheld Colorimeter - Checker®HC

HI-758 Marine Calcium Handheld Colorimeter - Checker®HC

Hanna HI-758 Marine Calcium Handheld Checker

HI-758 Marine Calcium Handheld Colorimeter - Checker®HC

200 to 600 ppm
Ideal for salt water aquariums
In Stock
£61.20 (exc. VAT) £73.44 (inc. VAT)

Ideal for salt water aquariums and coral reef tanks.

Designed to measure calcium in reef tanks, the Hanna Calcium Checker is perfect for corals and marine life.

Checker®HC is supplied with reagents for 25 tests. Use code HI-758-26 for future purchases.



HI-758 Marine Calcium Handheld Colorimeter - Checker®HC information

Hanna's extended description

Ideal for salt water aquariums and coral reef tanks

Designed to measure calcium in reef tanks, the Hanna Calcium Checker is perfect for corals and marine life.


  • Easy to use
  • Accurate results every time
  • Exceptional price
  • Large LCD display

Uses top quality technology to deliver high precision results.

The HI-758 Calcium Checker is a simple, accurate and cost effective way to measure marine calcium in water.

Designed as a more accurate alternative to chemical test kits, the HI 758 provides quick, accurate results in four easy steps;


  • Add 1ml of reagent A and add 9ml of deionised water to cuvette.
  • Insert cuvette into the Checker and zero it out.
  • Remove cuvette and add 0.1ml sample to be tested and 1 packet of reagent B
  • Reinsert sample and click the button to measure your results or press and hold the button for 3 seconds for a time reaction reading.

The contoured style of the HI-758 Calcium Checker is designed to fit in the palm of your hand. The large LCD is easy to read and the auto shut-off feature ensures the battery life will not be drained if you forget to turn it off.


Ideal for:

  • Salt water aquariums and coral reef tanks
  • Water Quality
  • Environmental
  • Education



Main Benefits:

  • Testing is quick and easy
  • High precision results - more accurate than chemical test kits
  • Auto shut-off feature means the Checker cannot be left on by mistake
  • Fully portable, fitting easily into both palm and pocket

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 HI-758-26 Reagents for HI-758 Marine Calcium Handheld Colorimeter - Checker®HC, x 25 tests.



Use HI-758-11 Calibration Check Set for HI-758 Marine Calcium Handheld Colorimeter - Checker®HC.

Specifications

Specifications list

Specifications

Range 200 to 600 ppm
Resolution 1 ppm
Accuracy @ 25°C ±6% of reading
Light Source light emitting diode @ 610 nm
Light Detector Silicon Photocell
Environment 0 to 50 °C (32 to 122 °F); max 95% RH non-condensing
Battery Type (1) 1.5V AAA
Auto-off after 10 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 zincon method

Product Literature

literature - PDF

Hanna Instruments Literature

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