Hanna Instruments Checker High Range Nitrate Meter**

Quickly measure your aquarium water for the pollutant, phosphate. Digital Nitrate meter for testing aquarium water. Handheld colorimeter for accurate Nitrate measurement Enjoy fast, accurate AND affordable testing of the aquarium pollutant, Nitrate. Hanna Instruments Checker High Range Nitrate Meter is easier to use and more accurate than conventional chemical test kits. Measure Nitrate with this hand-held colorimeter simply by zeroing the instrument, adding the reagent to your sample water and placing the vial into the High Range Nitrate Meter. Press the button and read the results for easy Nitrate measurement. Priced right, this palm-sized pocket photometer measures up to 75 ppm Nitrate with Ìâå±0.04 ppm accuracy. Measure and maintain Nitrate levels for clean, clear aquarium water. The battery-operated Hanna Instruments Checker High Range Nitrate Meter measures 2.4" x 3.2 high and only 1.5" thick. Supplied complete with two sample cuvettes and caps, six low range Nitrate powder reagent packets, one 1.5V AAA battery and instruction manual. Range 0.00 to 2.50 ppm (mg/L) Resolution 0.01 ppm (mg/L) Precision Ìâå±0.04 ppm (mg/L) Ìâå±4% of reading @ 25Ìâå¡C Light Source LED @ 525 nm Light Detector Silicon Photocell Environment 0 to 50Ìâå¡ C (32 to 122Ìâå¡F); RH max 95% non-condensing Battery Type (1) 1.5V AAA Auto Off After 2 minutes of non-use and after read Method Adaptation of Standard Method 4500-PE