Features:
Easier to use and more accurate than chemical test kits. Phenanthroline method. ± 0.04 ppm ± 2% of reading accuracy. 0.01 ppm ( mg/ L) resolution ( 500 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.One button operation: zero and measure. Operated by a single AAA battery.
Ideal for: Industrial, ground and treat.
The HANNA HI 721 Checker® HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain. The HANNA HI 721 Checker® HC is accurate and affordable with immediate results.
The new HI 721 Checker® HC portable handheld colorimeter features a resolution of 0.01 ppm ( 500 points) and ± 0.04 ppm ± 2% of reading accuracy. The HI 721 Checker® HC uses an adaptation of Standard Method 315 B.
The contoured style of this Checker® HC 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 721 Checker® HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the HI 721 Checker® HC, press the button and read the results. It’ s that easy.
Includes: HI 721 Checker® HC is supplied with sample cuvettes with caps ( 2) , powder reagents for iron ( 6) , battery and instructions.
Specifications: Range: 0.00 to 5.00 ppm ( mg/ L) . Resolution: 0.01 ppm ( mg/ L) . Accuracy: ± 2% of reading ± 0.04 ppm ( mg/ L) at 25° C. Method: Phenanthroline method. Supplied with 2 sample cuvettes with caps, 6 powder reagents, AAA battery, and instructions
