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 & 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-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 |