CheckerHC - Model HI 764 -Handheld Colorimeter - Nitrite Ultra Low Range

The HI 764 CheckerHC portable handheld colorimeter features a resolution of 1 ppb and uses an adaptation of EPA Diazotization method 354.1.

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 764 CheckerHC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the HI 764 CheckerHC, press the button and read the results. It’s that easy.

Easier to use and more accurate than chemical test kits
Adaptation of EPA Diazotization method
±10 ppb ±4% of reading accuracy
1 ppb resolution (200 points)
Large, easy to read digits
Auto shut off

Dedicated to a single parameter
Designed to work with HANNA’s powder 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 Aquaculture

Range: 0 to 200 ppb
Resolution: 1 ppb
Accuracy @ 25°C: ±10 ppb ±4% of reading
Light Source: LED @ 525 nm
Light Detector: silicon photocell
Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Battery Type: (1) 1.5V AAA
Auto-off: after two 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 EPA Diazotization method 354.1.