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
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
Supplied with
2 sample cuvettes
Cuvette cap
Starter pack of reagents (HI-758-26)
1 x 1.5 AAA battery
Instructions
Also available: HI-758-11 Calibration Set
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