• Hanna Instruments Ammonia Checker (low range) HI700

Hanna Instruments Ammonia Checker (low range) HI700


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HI 700 Checker HC Colorimeter - Ammonia Low Range Freshwater - 0 to 3 ppm

The Hanna Checker HC is a handheld colorimeter that delivers the accuracy and resolution of a professional-grade instrument, with the simplicity and affordability of a basic chemical test kit. This pocket-sized tester will save you hundreds of dollars in hi-tech equipment, while eliminating the need for complicated calibrations and maintenance.

This particular model quickly and accurately measures Low Range Ammonia (0.00 to 3.00 ppm) in freshwater aquariums to help you maintain optimal conditions for your precious inhabitants. It features user-friendly single button operation, and displays its precise readings on a large and easy-to-read LCD.

Weighing in at only 64 g (2.25 oz), the Hanna Checker HC is an ultra-portable water tester. This compact unit features an ergonomic design that fits perfectly in your pocket or the palm of your hand. It includes the single AAA battery required for operation, as well as an automatic shut-off function that triggers after 10 minutes of inactivity to preserve battery life.

The HI 700 Ammonia Low Range Checker HC comes complete with hard-shell travel case, sample cuvettes with caps (2), ammonia reagent starter kit for 25 tests (1 bottle of HI733A-0 reagent A and 1 bottle of HI733B-0 reagent B), AAA battery (1), instructions, and quick start guide.


Range: 0.00 to 3.00 ppm NH3-N
Resolution: 0.01 ppm
Accuracy @ 25°C: ±0.05 ppm ±5% of reading
Light Source: Photodiode @ 470 nm
Light Detector: Silicon photocell
Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Auto-off: After 10 minutes of inactivity
Method: Adaptation of the ASTM Manual of Water and Environmental Technology D1426-92, Nessler Method. The reaction between the ammonia and the reagents causes a yellow tint in the sample 2.4" x 1.5" x 3.2"