Measurement Method: Colorimetric
Range: 0.0 to 99.9 ppm
Resolution: 0.1 ppm
Light Source: LED at 470 nm
Accuracy: ±1.0ppm ±5% of reading
Light Detector: Silicon Photocell
Power auto off after 10 minutes
Power Supply: 1 x 1.5V AAA battery
Dimension: 81.5 x 61 x 37.5 mm
Environment: 0 to 50°C, RH max 95% non-condensing
Weight: 64gm
The Hanna HI-733 is an ammonia high-range colorimeter that is a simple, fast, accurate, and cost-effective way to measure high levels of ammonia in freshwater. It is ideal for freshwater aquariums. This meter automatically shuts off after 10 minutes of use