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Water
Quality Sensors
Probe depth rating is certified to 100 meters, and available with a choice of cable gland (shown) or connector with cable length up to 100 meters. Standard output is 0 - 2.5 volts, with other voltage and mA outputs as an option, making interfacing to a wide range of data loggers simpler. The 9000 uses nephelometric 90 degree ISO 7027 optical retro-scatter technology. Standard ranges are 100, 400 and 1000 NTU with up to 3000 NTU to special order. A newly implemented differential measurement technique with sample and hold provides enhanced performance at low turbidity levels, and extremely low zero drift. All probes use a unique modulation technique that ensures almost total rejection of ambient light. The ANALITE NEP180
turbidity probe is designed for applications where high turbidity is
the norm and it uses retro-scatter technology for ranges up to 30,000NTU.
Digital (RS-232 / SDI-12) Output Options: Analite 390 Turbidity Probes The Analite 390 (non-wipe) and 395 (wiper) probes incorporate RS232 and SDI-12 digital outputs. The 390 series offers a host of advance signal processing and control features, and one instrument offers user selectable ranges covering 0 - 40, 100, 400 and 1000 NTU. The 390 series has been enhanced to include the 391 & 396 options which bring together all of the features of the digital 390/395 probe with the simplicity of the analog 9000/9500 probe. The 391 and 396 incorporate a dual analog output. Select from either 0 - 1 volt, 0 - 2.5 volt, 4 - 20 ma or 0 - 20 ma All functionality is user selectable via the RS232 interface.
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2001 Geo Scientific Inc., All Rights Reserved |
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