Products
We offer high quality products at low cost to test for priority parameters in developing countries.
Our products are manufactured and distributed by the ISO 9001 certified company Letzner Pharmawasseraufbereitung GmbH in Germany.
LetzTest Tube
LetzTest Tubes are a presence/absence test to easily detect bacteria of fecal origin in drinking water. The test tubes have numerous advantages in their use in rural areas where a laboratory and qualified workforce ressources might not be available.
Form: Dry test strip
Shelf life: 2 years
Art. no. : 116498
LetzTest Household Water Test Kit
The Household Water Test Kit is a presence /absence test kit, protected by patent office, which detects bacteria of fecal origin in drinking water. The Kit has numerous advantages in its use in rural areas and with respect to the objective of education and sustainable behavior change.
Art. no. : 113858
LetzTest Membrane Filtration Kit
The Membrane Filtration Kit contains all you need to perform the membrane filtration method to determine fecal bacteria in water quantitatively. A single-branch membrane filtration device (stainless steel), sterile membrane filters (100x), DRY E&C Plates (40x), vacuum syringe, portable alcohol candle, tubing, forceps (2 types), flasks, pipettes, brief (illustrated) and detailed instructions on how to perform the membrane filtration method for water samples including useful information about sampling techniques, sample volumes and documentation.
Specifications:
Art. no. : 115433
LetzTest Incubator 37°C - Electricity-Free
Our patented, electricity-free incubator will revolutionize water quality testing in rural areas. Pre-prepated Dry plates aswell as Colilert Quanti-Trays fit perfectly into our incubator. Each Incubator comes with a robust temperature data logger.
Specifications:
Art. no. : 115178
Thermocult Incubator - Electrical
Small incubator for LetzTest Tubes or Compact Dry Plates. Small, robust and low in cost. The ideal
solution for small laboratories with constant electricity supply. .
Maximum capacity: 25 LetzTest Tubes or 50 stagged compact Dry plates
Other Specifications:
Labelling: CE
Deviation of temperature: ± 2,0° C
Temperature: + 35° C, adjustable up to 42 °C
Electricity: 230 V
Outer dimension: 30 x 17 x 15 cm; Inner dimension: 21 x 14,5 x 11 cm
Total weight 1.3 kg,
Performance: 30 W
Art. no. : 116536
Compact Dry Plates - E.coli & Coliforms
The usage of our Compact Dry Plates E.coli & Coliforms is a simple and safe way for the determination and quantification of E.coli and other coliform bacteria in water.
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Ready-to-use, simply add 1mL of pure water to activate the plate
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Storage 5-40°C (no fridge needed!)
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Shelf life 24 months
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Max. 70 seconds „hands-on time“
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Write sample ID on front part
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Incubation time 24 hours at 35-38°C
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AOAC, MicroVal and NordVal approved
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ISO16140
Art. no. : 115177
Compact Dry Plates - E.coli
The usage of our Compact Dry E.coli Plates is a simple and safe way for the determination and quantification of E.coli and other coliform bacteria in water.
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Ready-to-use, simply add 1mL of pure water to activate the plate
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Storage 5-40°C (no fridge needed!)
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Shelf life 24 months
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Max. 70 seconds „hands-on time“
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Write sample ID on front part
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Incubation time 24 hours at 35-38°C
Art. no. : 116379
Cellulose Nitrate Membranes - Sterile Packed
Cellulose Nitrate membranes for microbiological analysis, grid print, diameter 47 mm, pore width 0.45 μm, individually & sterile packed.
100 pieces / pack
Art. no. : 114930
Thio-Bags for Water Sampling - 100ml
Specially designed for sampling chlorinated water to test for fecal coliforms and other bacteria. Each bag contains a nontoxic, nonnutritive tablet containing 10 mg of active sodium thiosulfate to neutralize chlorine at the time of collection.
100 pieces / pack
Art. no. : 114928
Bags for Water Sampling - 100ml
For sampling unchlorinated water samples. Very easy and safe transportation compared to glass bottles that tend to break when the roads are in bad condition.
100 pieces / pack
Art. no. : 115407
eXact® Micro 20 Smart Photometer™
The eXact® Micro 20 with Bluetooth® SMART is a powerful dual-wavelength photometer system that harnesses the technology to connect wirelessly to your smart device.
The Kit includes: Meter, carrying case, cleaning brush, acrylic calibration stick, mixing cap, & instructions. Space for up to 10 reagents to be fitted inside the kit.
Reagents: Please click the button below.
Art. no. : 115931
eXact® pH+ Multi Meter Kit
The new eXact pH+ Smart Meter System with Bluetooth® SMART is perfect for the detection of pH, Conductivity, Salinity, TDS, Temperature, and ORP (separate probe) in water. An all new handheld multi-parameter pocket meter that works in conjunction with the eXact iDip® app for iOS and Android smart devices. The combination of this with the iDip® Photometer and the eXact iDip® app now allows for automatic calculations of formulas such as the Langelier Saturation Index.
Art. no. : 115945
Arsenic Quick™ II
Arsenic is one of the chemicals with greatest health concern in drinking water testing. The health based guideline value for Arsenic in water is 0,01 mg/l.Arsenic Quick II for water quality testing was designed to give the user accurate results without sacrificing cost and time. Arsenic Quick II reports results in only 14 minutes. Additionally, there are no dangerous chemicals needed to run this water quality test kit.
Detection range: <1, 2, 3, 4, 5, 6, 7, 8, 10, 13, 20, 25, 30, 40, >50, >80, >120, >160 ppb (µg/L) - 14 minute procedure, 50 tests **ETV** . Key features:
- Reagents are non toxic
- Results in 12-14 minutes
- Can be done in field - No other equipment needed (no batteries, power or instruments required)
- Completely non-technical.
- Can be used with little knowledge of English (reagents clearly marked '1', '2' and '3')
Art. no. : 115946