4391 Milwaukee, MW10, photometer / free chlorine

Great for agriculture, aquariums, aquaculture & coral, labs, water treatment, classroom and more.
This meter is also ideal for educators that want their students to learn the basics of water quality analysis to apply in the real world.

Simply add the reagent and get a digital reading accurate to ±0.03 ppm within minutes.

• Range: 0.00 to 2.50 ppm
• Resolution: 0.01 ppm
• Accuracy: ±0.03 ppm or ±3% of reading @ 25 °C
• Typical EMC Dev: ±0.01 ppm
• Light Source: Light Emitting Diode @ 525 nm
• Light Detector: Silicon Photocell
• Method: Adaptation of USEPA method 330.5
   - the reaction between free chlorine and the DPD reagent causes a pink tint in the sample.
• Environment: 0 to 50°C (32 to 122 °F) max. 95% RH non-condensing
• Battery Type: 1 x 1.5V AAA
• Auto-shut off: After 2 minutes of non-use