Hanna Nitrite ULR Checker

Easier to use and more accurate than chemical test kits

Adaptation of EPA Diazotization method Accuracy ±10 ppb ±4% of reading 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 Checker®HC 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.

Additional Information


SPECIFICATIONS HI 764 (Nitrite ULR)
Range: 0 to 200 ppb
Resolution: 1 ppb
Accuracy: ±4% of reading ±10 ppb @ 25ºC
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 3 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.