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CHLORINE PRODUCTION (Midi-Wata) set

https://medicalguidelines.msf.org/en/node/996
https://unicat.msf.org/cat/product/79864
NST CWATDISIGD-

Outdated Article

Former Code(s): KWATZFR0213
SC subscriptions: included in supply or field tools
OC subscriptions: included in supply or field order tools (e.g. UniField)
OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical Standard Lists (MSL)

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CHLORINE PRODUCTION (Mini-Wata) set

Form

Midi-WATA™ unit.

Content:

  • 1 control box
  • 1 power supply 24V/25A
  • 1 syringe of 50ml
  • 5 kit WataTest™
  • 5 kit WataBlue™
  • 1 pH test
  • 1 user manual

Specifications:

  • Production time: 4h
  • Active chlorine volume (6g/l): 30l
  • Drinking water application: can treat up to 120000l
  • Disinfection application (per cycle):
    - 30l of 0.6% solution
    - 90l of 0.1% solution
    - 300l of 0.05% solution
  • Max. number of cycles over 24h: 5
  • Nominal power rating: 430W
  • Electrical power supplied: 24V/25A
  • Dimensions: 340 x 180 x 110 mm
  • Weight: 8 kg

Fit

To use with:

  • CWATTESTABCS‌‌ - RESIDUAL CHLORINE concentration test (Antenna WataBlue) set
  • CWATTESTAWN - TEST CONCENTRATION NaOCL, HTH, NaDCC, bleach (WataTest) 50ml

Function

This device produces a 0.6% concentrated sodium hypochlorite solution (or 6 g of active chlorine per litre) from brine.

It uses the electrolysis process and requires only clear water (< 5NTU) and salt. It is an interesting alternative to MSF's standard chlorinated product (Nadcc / HTH) and allows the mission to be autonomous and free from transport and storage constraints.

For information on chlorination and chlorine generating products, see "Public Health Engineering in Precarious Situations", MSF, 2nd edition, 2010:

  • T.B. 2.19 Chlorine-generating products
  • T.B. 2.21 Batch chlorination of drinking water
  • T.B. 2.22 Monitoring chlorination