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Summary
Thank you for purchasing an Analite NEP-9500 series turbidity probe. It will give you years of service if
you install and maintain it according to the guidelines set out in this manual.
The Analite NEP-9500 series of turbidity probes are an enhanced version of our successful Analite 90 and
95 series probes. They offer better performance; more output options and greater ease of deployment yet
are available in the same mechanical package (glanded version).
The Analite NEP-9500 series turbidity probes are designed for monitoring and process applications where
turbidity levels of up to 5,000NTU may be encountered. Standard ranges are 0NTU, 10NTU, 400NTU,
1,000NTU, 3,000NTU and 5,000NTU.
Specifically, the Analite NEP-9500 probes are designed for applications that will not allow bio-fouling to
build up such as short monitoring deployment or placement in fast and cold running water. The Analite
NEP-9500 probes however, with their integral wiper assembly, are designed where bio-fouling or
sedimentation build-up is likely. The Analite NEP-9500 series probe, with a stainless-steel case, may be
submerged to a depth of fifty meters. The composite case version is rated to two hundred meters.
The Analite NEP-9500 probes use 90° optics and employ infrared light in accordance with ISO-7027. All
probes use a unique modulation technique that ensures almost total rejection of ambient light conditions
as well as a unique microprocessor controlled differential sample and hold circuit for enhanced
performance, particularly at low turbidity levels. one hundred eighty degrees is also available which
measures up to 30,000NTU.
Manual | NEP-9500-PLUS series turbidity probe
Status: Final | Not confidential
Page 3 | 21
V20200309
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