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Art. No.: 1258
Training recommended
LETZTEST Portable MiBi Water Lab is a complete, electricity-independent system for on-site microbiological water testing according to DIN EN ISO 9308-1. It enables reliable quantification of E. coli and total coliforms per 100 mL — designed for water qualitie testing in off-grid locations.
Combining membrane filtration, sampling, and the world’s only electricity-free incubator in one compact setup, it delivers laboratory-grade results anywhere. The robust, lightweight design keeps all components protected, organized, and easy to transport. Compatible with standard consumables, the system reduces running costs while ensuring accurate, standards-compliant testing. Optional direct technical support is available for end-users.
The instructional handbook of this system is available in four languages of your choice: English, French, Arabic, and Spanish.
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For further specifications download
The LETZTEST Portable Membrane Filtration Kit contains three very useful consumables that facilitate testing under limited conditions. Two of them can be replaced with reusable materials once a local quality management system is in place! Each test consumes one of each consumable.
Art. No.: 115177
A very simple, quick and safe way to quantify E.coli and other coliform bacteria in water samples.
Shelf-life: 2 years, 1 – 30°C no cooling required!
Downloads: Product information sheet | NordVal International Certificate | AOAC Certificate
Art. No.: 116379
Since in many tropical regions other coliforms occur naturally in soil the World Health Organization suggests testing for E.coli only, which is a clearer indicator of for fecal contamination, reduces complexity and safes time. Suggested for the LETZTEST Portable Membrane Filtration Kit.
Downloads: Product information sheet | Certificate of Analysis
Art. No.: 114928
Bags to collect potentially chlorinated water samples for bacteriological examination, in compliance with EPA and APHA requirements. Adapted to the needs where infrastructure and quality management systems are lacking.
Shelf-life: No expiry date, no cooling required.
Downloads: Product information sheet
Art. No.: 114930
Cellulose Nitrate Membranes for bacteriological water analysis by Membrane Filtration Method ISO 9308-1.
Shelf-life: 4 years, no cooling required!
Downloads: Product information sheet
Note: additional plates for Enterococcus, Pseudomonas Aeruginosa, Total counts and more are available on request.
LETZTEST Portable Membrane Filtration Kit (PMF-Kit) is perfectly adapted to the requirements in limited infrastructure conditions.
Tipp: Add our LETZTEST Electricity-Free Incubator and Water Sampler to get an independent mobile water laboratory.
The LETZTEST PMF-Kit comes with striking advantages for water monitoring in off-grid locations: