Oxfam-DelAgua Single Incubator Water Testing Kit
Barry Lloyd, University of Surrey with Oxfam
DelAgua Single Incubator, is a portable water testing system designed for microbiological water monitoring via detection of indicator organisms (faecal coliforms) for E. coli, cholera, salmonella and other faecal water borne pathogens.
Worldwide Interview with representative
DelAgua or various in-country distributors Interview with representative
Between $1500 – 1750 USD without NGO-supported pricing. Interview with representative
Anyone can use the DelAgua kit, but it is primarily purchased by NGOs, governments, and companies looking to assess the safety of a drinking water source. Interview with representative
Produced in Europe, assembled and quality controlled in the UK. Interview with representative
Not patented. Interview with representative
It can be purchased directly from DelAgua, or depending on customer location, from an in-country distributor. DelAgua offers supported pricing for charities. Interview with representative
Many 1000s. ^Interview ^with ^representative
List of tests accomodated
The Oxfam-DelAgua Single Incubator Water Testing Kit is designed to carry out six (6) basic tests to measure the quality of drinking water – microbiological quality, turbidity, free chlorine, total chlorine, pH and temperature. The system achieves 44°C in the incubator chamber for analysis of faecal coliforms. It is powered by an internal battery, sealed within the case housing, which can be re-charged from mains or a car battery. The kit it is capable of up to 5 incubation cycles between recharges making it completely independent for a full week of off-site surveying. The kit components are:
• Basic Incubator in Pelican Case • Sterile Pasteur Pipettes (3ml) for easy transfer of media x 10 • Filter Funnel • Aluminium Gasket • Bronze Discs x 2 • O-rings x 2 • Silicone Rings x 2 • Vacuum Pump and Cup • 2 sets of 16 x petri-dishes • Sample Cup • Battery Charger • External Battery Power Lead with 2-pin standard European plug • Fuse • Lanyard • Recalibration Incubator Lid • Incubator Lid Without Hole • Digital timer • Comparator (Chlorine & pH) • Handheld Magnifier • Polypropylene Bottles x 10 • Methanol Dispenser • Tweezers • Lubrication Grease • Spirit thermometer (-10 to +50°C) • Trimmer Tool • Turbidity Tube • Instruction manual in English (Other languages available, please ask) • Instructional CD Rom • Consumables Pack for 200 Plates Including: Membrane Filters and Pads (x 200); Pad Dispenser; Culture Medium (38.1g); DPD No.1 Tablets (x250); DPD No.3 Tablets (x250); Phenol Red Tablets (x250)
The Complete Kit Weight is 10kg
DelAgua offesr free training for anyone who purchases a DelAgua Kit. This is possible at their offices in Marlborough, WiltshireInterview with representative or via online videos.
Replacement components are available from DelAgua, including a wide range of accessories and upgrades to increase the scope of customer water quality monitoring. Interview with representative
10-15 years, but some have been known to work for more than 20 years. Interview with representative
Designed to carry out six basic tests to accurately measure the quality of drinking water – microbiological quality, turbidity, free chlorine, total chlorine, pH and temperature which permit both assessment of the safety of drinking water and monitors the efficiency of water treatment and purification processes. Results can be obtained on-site within 24 hours.
DelAgua sites 8 Case Studies inclusive of field experiences with the Kit.
As an example, a DelAgua Kit Case Study by Duke University in Uganda noted “I believe our greatest obstacle was the level of contamination that we found. The colony counts we were getting using 10 mL of sample required that we dilute it. This became a challenge in the field because we had to carry distilled water and sterile pipettes with us, introduced more avenues for contamination.”
Oxfam/DelAgua Kit Case Study with CARE International demonstrated the use of the Kit as a tool for making water quality visible for women and men in CARE Yemen and Water
DelAgua Kit Case Study – Daisy Adams in The Gambia Daisy Adams undertook a study with Water for Africa in August 2014, in The Gambia
University of Surrey, CARE International Yemen and Water and Environment Centre, Sana’a University, Yemen, School of the Environment, Duke University with ChangeALife Uganda
Several items can be included to the kit for upgrades. They are listed on DelAgua’s website.
No published papers have been identified.
While there are no applicable standards identifier relative to the test kit. The kit delivers test results aligned to the requirements of the WHO Guidelines for drinking-water quality – 4th ed
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