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Continuous improvement of field measurement, ease of use, and reliability resulted in the development of the NexTD oil-in-water monitor from HMA INSTRUMENTATION. It uses a non-purged explosion proof/flame proof enclosure in 316 stainless or aluminium, and is rated to CID1 and CI Zone1. This next-generation oil-in-water monitor grew out of the popularity of the industry standard TD-4100XD E09 powered products, combined with the need to deploy where purge air for explosion protection was not available. All NexTDs use our popular E09 firmware package and an onboard data logger. Units are Ethernet and wireless capable, and are now available with more optical choices and configurations for added field flexibility and new applications.
The difficulty in specifying all measurement parameters on new field applications prior to purchase has meant having to supply the best information available at the time, necessitating extended field-work during commissioning. With NexTD from HMA INSTRUMENTATION, all optical systems are ‘plug-and-play’, with fieldwork during commissioning reduced by more than 80%. The NexTD is available with the standard non-contact EZ Access flow cell and bubbletrap with auto-valve, or the C-type flow cell for high-pressure clean water applications. Dual-stream sampling is available with separate calibration curves for each sample stream. Clean-in-place systems for the entire sample system are available with a variety of configurations. Optional ultrasonic cleaning is available on the C-type flow cells.