User Controls: None Turbidity Instruments

Last Updated: April 1, 2025

Description

User Controls: None Turbidity Instruments are devices designed to measure the turbidity of a liquid, which is the cloudiness or haziness caused by large numbers of individual particles that are generally invisible to the naked eye. These instruments provide critical data for assessing water quality by quantifying the concentration of suspended particles in a sample.

Working Principle

Turbidity instruments, such as turbidimeters, operate by passing a light source through a liquid sample and measuring the amount of light scattered by the suspended particles. The most common design includes a light source, a sample container, and photodetectors. The light source, often a tungsten filament lamp, emits light that interacts with the particles in the sample. Photodetectors then measure the intensity of light scattered at specific angles, typically 90 degrees, to determine the turbidity level. This measurement is crucial for water quality analysis as it helps identify the presence of contaminants and assess the effectiveness of water treatment processes.

Applications

Turbidity instruments are widely used in various water quality applications. In drinking water treatment, they help monitor and control the turbidity levels to ensure safe consumption, as higher turbidity can increase the risk of gastrointestinal diseases. In environmental monitoring, these instruments assess the impact of human activities like construction and farming on water bodies by measuring sediment levels. They are also used in industries such as pharmaceuticals, biotechnology, and wastewater treatment to ensure process efficiency and compliance with regulatory standards.

Advantages over other Mechanical - Shock and Vibration Control Equipment

Turbidity instruments offer specific advantages over mechanical shock and vibration control equipment. They provide precise and real-time measurements of particle concentration in liquids, which is not typically achievable with mechanical equipment designed for shock and vibration control. This precision is essential for applications requiring stringent water quality standards, such as in the pharmaceutical and food industries.

Limitations

One limitation of turbidity instruments is their dependency on the stability of the light source. For instance, tungsten filament lamps used in these devices can suffer from burnout over time, affecting measurement accuracy. Additionally, these instruments require regular maintenance and calibration to ensure reliable performance, as fouling of optical components can lead to erroneous readings.

Considerations

When selecting turbidity instruments, several factors should be considered. Initial costs can vary depending on the complexity and features of the device. Operating expenses include regular maintenance, calibration, and potential replacement of light sources. Durability is a concern, especially in harsh environments, where rugged designs may be necessary. Accuracy is paramount, and users should ensure that the instrument meets the required standards for their specific application. Replacement and maintenance costs should also be factored into the total cost of ownership, as these can impact long-term operational budgets.

11 Results
Dual Channel Absorption Sensor -- AF26
from optek-Danulat, Inc.

The model AF26 is a dual channel absorption sensor designed for inline applications. It accurately measures color or color changes and can be used in a variety of industrial processes, from sanitary CIP/SIP applications to high-pressure, high-temperature industrial applications. [See More]

  • User Controls: None
  • Form Factor: In-line
  • Water Quality Parameters: Turbidity
  • Display Type: None
Swansensor Turbiwell 7027 -- A-87.532.151
from SWAN Analytical USA, INC.

High precision, non-contact nephelometer based on ISO 7027 (EN 27027, DIN 38404) for the continuous measurement of turbidity in pure water, potable water, surface water treatment and effluent. Turbidimeter with sample chamber and valve for chamber drain. High precision secondary standards for... [See More]

  • User Controls: None
  • Turbidity Range: 0.0 to 200
  • Water Quality Parameters: Turbidity
  • Accuracy: 1
Turbidity Sensor -- OBS-3+
from Campbell Scientific, Inc.

The OBS-3+ Turbidity Monitor is a submersible probe, part of our OBS ® line of products that use a backscatter method to measure turbidity. The OBS-3+ operates in the range of 0 to 4000 NTU. It replaces the OBS3 on our price lists. The OBS-3+ can be used in several applications, ranging from... [See More]

  • User Controls: None
  • Turbidity Range: 0.0 to 4000
  • Water Quality Parameters: Turbidity
  • Accuracy: 2
In-Line Optical Process Sensor -- ProScan™
from AW Company

Rated NEMA 6 / IP67 with 3A Sanitary Standards [See More]

  • User Controls: None
  • Form Factor: In-situ / Field; In-Line Sensor
  • Water Quality Parameters: Turbidity
  • Display Type: None
AdvantEDGE High Range Turbidity System
from HF scientific

Connect this Raw Water Turbidity Sensor to a PLC for seamless integration with industrial control systems. Use any computer to display data, calibrate and customize the measurement without an intermediate analyzer electronics box. A LD500 local display can be used if desired. [See More]

  • User Controls: None
  • Turbidity Range: 0.0 to 4000
  • Water Quality Parameters: Turbidity
  • Form Factor: Sensor
Dual Channel Absorption Sensor -- AF26-EX
from optek-Danulat, Inc.

The model AF26-EX is a precise, dual channel absorption sensor designed especially for hazardous environments. It accurately measures color or color changes and can be used for inline applications in a variety of industrial processes. [See More]

  • User Controls: None
  • Form Factor: In-line
  • Water Quality Parameters: Turbidity
  • Display Type: None
Swansensor Turbiwell W/LED -- A-87.532.1251
from SWAN Analytical USA, INC.

High precision, non-contact nephelometer, approved alternative method to US EPA 180.1, for the continuous measurement of turbidity in potable water. Turbidimeter with sample chamber and valve for chamber drain. High precision secondary standards for quality assurance. Connection to the AMI Turbiwell... [See More]

  • User Controls: None
  • Turbidity Range: 0.0 to 100
  • Water Quality Parameters: Turbidity
  • Accuracy: 1
Dual Channel Scattered Light Sensor -- TF16-EX
from optek-Danulat, Inc.

The model TF16-EX is a precise dual channel, scattered light turbidity sensor. This sensor provides inline control solutions for a variety of industrial processes and is designed especially for hazardous environments. [See More]

  • User Controls: None
  • Form Factor: In-line
  • Water Quality Parameters: Turbidity
  • Display Type: None
Dual Channel Scattered Light Sensor -- TF16-EX-N
from optek-Danulat, Inc.

The model TF16-EX-N is a precise dual channel, scattered light turbidity sensor. This sensor provides inline control solutions for a variety of industrial processes and is designed especially for hazardous environments. [See More]

  • User Controls: None
  • Form Factor: In-line
  • Water Quality Parameters: Turbidity
  • Display Type: None
Dual Channel Scattered Light Sensor -- TF56
from optek-Danulat, Inc.

The TF56 turbidimeter is a precise dual channel, scattered light turbidity sensor. This turbidimeter is designed to provide control solutions for a variety of industrial processes, from sanitary CIP/SIP applications to high-pressure, high-temperature industrial applications. [See More]

  • User Controls: None
  • Form Factor: In-line
  • Water Quality Parameters: Turbidity
  • Display Type: None
Dual Channel Turbidity Meter -- AF16-N
from optek-Danulat, Inc.

The model AF16-N is a single channel Near Infrared (NIR) absorption sensor. The inline sensor is designed for a variety of industrial processes. The AF16-N measures concentration or turbidity with great accuracy and repeatability and can be used in demanding applications such as filter control,... [See More]

  • User Controls: None
  • Form Factor: In-line
  • Water Quality Parameters: Turbidity
  • Display Type: None