CheckerHC - Model HI 755 -Handheld Colorimeter - Alkalinity

The CheckerHC features an accuracy of ±5 ppm (mg/L) ±5% of reading and uses the colorimetric method.

The contoured style of this CheckerHC fits in your palm and pocket perfectly and the large LCD is easy to read. The auto shut-off feature assures the battery life will not be drained if you forget to turn it off.

The  HI 755 CheckerHC is extremely simple to use. After zeroing the instrument with your water sample, add the reagent to the cuvette and gently invert 5 times. Then insert the cuvette into the HI 755 CheckerHC and press the button to read the results. It’s that easy.

Easier to use and more accurate than chemical test kits
Colorimetric method
Accuracy ±5 ppm ±5% of reading
1 ppm (mg/L) resolution
Large, easy to read digits
Auto shut off

Dedicated to a single parameter
Designed to work with HANNA’s liquid reagents
Uses 10 mL glass cuvettes

Small size, big convenience
Weighing a mere 64 g (2.25 oz.), the CheckerHC easily fits into
the palm of your hand or pocket
Use for quick and accurate on the spot analysis
Single button operation: zero and measure
Operated by a single AAA battery

Ideal for Saltwater Aquariums

Range: 0 to 300 ppm (mg/L)
Resolution: 1 ppm (mg/L)
Accuracy @ 25°C: ±5 ppm (mg/L) ±5% of reading
Battery Type: (1) 1.5V AAA
Light Source: LED @ 610 nm
Light Detector: silicon photocell
Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Auto-off: after ten 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: colorimetric method