The ANALITE NEP-9500 series of analogue output turbidity probes are designed for monitoring and process applications where turbidity levels of up to 3,000NTU may be encountered.

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Product Description

NEP-9500 Analogue

The ANALITE NEP-9500 analogue output turbidity probes are designed for monitoring and process applications where turbidity levels of up to 3,000NTU may be encountered. Standard ranges are 100NTU, 400NTU, 1,000NTU, and 3,000NTU and custom ranges are available. Digital outputs (SDI-12 and/or RS232) are also available in other versions of ANALITE turbidity probes.

The ANALITE NEP-9500 probes use 90° optics and employs infrared light in accordance with ISO7027. 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.

The standard ANALITE NEP-9500 series of probes with its acetal housing may be submerged to a depth of 50 meters (approx. 150 feet). An optional stainless steel housing is available for applications where a greater depth rating is required but not recommended for deployment in salty or acidic water where crevice corrosion may occur. Its depth rating is 100 meters.

Technical specs

Technique:

  • 90° modulated infra-red (ISO7027)

Ranges:
  • 100, 400, 1,000NTU and 3,000NTU

Repeatability:

  • ±1% at 25°C for 100NTU and 400NTU
  • ±2% at 25°C for 1,000NTU
Outputs:
  • ±2.5V over Range.
  • 4–20mA and 0 to +2.5V ranges also available to order.
Calibration:

Power:

  • 9.6-28V DC, 15mA on.
  • 40mA when wiping for NEP-9500 models only

Interface Cable:

  • 5 core + shield, 6mm nominal dia. PUR sheath.
    Conductor resistance 45 ohms per km. Weight – 70 grams per meter.

Depth Rating:

  • 50m (150ft).
  • 100m (330ft) for optional stainless steel casing.

Weight:

  • NEP-9500: 180gms – probe only, 100gms connector plus 70 gms per meter of cable.
  • Add 200 grams for optional stainless steel casing.

Dimensions:

  • 320mm long overall nom., 32mm diameter

 

Documents

Download NEP-9500 Datasheet
Download NEP-9500 Manual

 

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NEP-9500 Accessories 

Product Features

Field, Process & Lab Application

NEP-9500 Probes typical use include applications such as:

  1. Monitoring of streams and rivers.
  2. Monitoring of water storage bodies including stratification studies.
  3. Intermediate and final effluent treatment monitoring.
  4. Hydrological run off studies.
  5. Ground and bore water analysis.
  6. Drinking water filtration efficiency
  7. Industrial process monitoring.
  8. Sludge and dredge monitoring.

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