Ideal for pools, spas, water filters, and aquariums! Chlorine is the most common water disinfectant, and by monitoring chlorine regularly and accurately, serious health and safety risks can be avoided.

The HANNA HI-701 is designed to fit in the palm of your hand. The large LCD screen is easy to read, and the automatic shut-off feature ensures that the battery life is not depleted if you forget to turn it off.

It can also be used to determine chlorine levels in aquariums for optimal fish and plant health.

• Range 0.00 to 2.50 ppm (mg/L)
• Resolution 0.01 ppm (mg/L)
• Reading accuracy 3% ± 0.03 ppm (mg/L) @ 25 °C
• LED light source @ 525 nm
• Silicon photocell light detector
• Environment 0 to 50 °C (32 to 122 °F); RH max 95% non-condensing
• Battery type (1) 1.5V AAA
• Automatic shut-off after 2 minutes of non-use and after reading
• Dimensions 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5 ")
• Weight 64 g (2.25 oz.)
• EPA approved method DPD Standard Method 4500-Cl G.