Hanna Checker®HC Phosphate colorimeter, ULR (PO4)
The HI774 Ultra Low Range Phosphate Checker® HC  is a cost-effective way to measure phosphate in marine systems . 
Take our portable handheld colorimeter anywhere.
Simple, one-button design makes getting your results easy.
Improve your technology and upgrade from your standard test kit.
The HI774 Checker® HC provides a simple, accurate and cost effective way to measure phosphate from 0.00 to 0.90 ppm.
Phosphates is an important parameter to measure in aquaculture and aquariums. Too high levels can lead to extensive algae growth, depleted dissolved oxygen levels, and ultimately can be fatal to many types of fish and aquatic life. Designed as a more accurate alternative to chemical test kits, the HI774 provides quick, accurate results in a few easy steps.
Sepcifications:
Range : 0.00 to 0.90
Resolution : 0.01 ppm
Accuracy @ 25°C : ± 0.02 ppm ±5/ of reading
Light Source : LED @ 525nm
Light Detector : silicon photocell
Battery Type : (1) 1.5V AAA
Auto-off : after 7 minutes of non-use and 2 min after reading
Environment : 0 to 50°C ; RH max 95% non-condensing
Dimensions : 86.0 x 61.0 x 37.5 mm
Weight : 64 g
Calibration Set : HI774-11 Not included
Warranty : 1 year
​​​​​​​​​​​​​​What's inculded
1x HI774 Checker®HC 
2x sample cuvettes with caps
10x phosphate ULR reagents
1x batteries
1x instructions, and quick start guide.