MESM 2402 and MESM 2405

• Hypochlorous acid (HOCl, HOBr), ClO2 and Temp.
• Analog signals 0- 5V
• Concentration range: 0.01mg/l to 5 mg/l
• Constant sensitivity of 300 - 350 mV/mgl-1
• Measurement accuracy: ±5 %
• Detection limit: 10-3 mg/l (1 ppb)
• Response time: < 30 sec
• Life-time without maintenance nor recalibration:
• > 9 months in drinking water
• Temperature range: 0 - 40 °C
• Pressure range: 0 to 10 bar (IN-LINE)
• < 1% interference to monochloramine
• Not sensitive to flow
• PS: 0 and 5.2-10 V, typ. 300 mW (battery )
• Packaging & Size: standard PPE probe Ø 12 mm

• Same analog signal as above
• Life-time without maintenance nor re-calibration:
• Typically 12 months in drinking water
• Low cost consumable part for swimming pool, cooling tower,...
• Typical life time > 2 months
• Temperature range: 0 - 40 °C

Packaging & Size:
Probe core: designed to fit directly in a pipe with a threaded fitting R BSPT or NPT ¾''
Replaceable sensing head : Ø 21.5 mm

• World's smallest chlorine sensor: < 3.5 cm3

• Ultra low power, battery operated

• Linear signal, typ. sensitivity of 350 mV/ppm

• Stable sensitivity and zero over one year

• Long life time without re-calibration: > 9 months

• Fast response: < 30 sec