Unit: Water resistant (splash proof)

the MA800 ensures your meters arrive intact and ready to perform

or replacement parts

Quantity: 2

this NIST-traceable potassium chloride solution ensures fresh

Hanna Instruments Low Range Chromium VI Colorimeter Checker HC-HI749 hydroponic growing Unit: Water resistant (splash proof)Get accurate water testing results with our simple handheld colorimeter. Our low range chromium VI colorimeter gives you more precise technology than your typical chemical test kit. Don't struggle to determine colors visually, our handheld colorimeter eliminates the hassle of matching to a color chart by providing a direct chromium VI result digitally. Our portable handheld colorimeter is easily carried in your pocket. Simple, one button operation