Battery Powered Turbidity Instruments

Last Updated: April 1, 2025

Description

Battery powered turbidity instruments, commonly known as turbidimeters, are devices designed to measure the turbidity or cloudiness of a fluid. These instruments are equipped with a light source, a sample container, and photodetectors to assess the clarity of water by determining the amount of light scattered by suspended particles in the sample.

Working Principle

Turbidimeters operate by passing a light beam through a sample and measuring the intensity of light scattered at a 90-degree angle by particles in the fluid. The scattered light is detected by photodetectors, and the turbidity is calculated based on the intensity of this scattered light. This measurement is typically expressed in Nephelometric Turbidity Units (NTU). Battery powered models are particularly useful for field applications due to their portability and rugged design, allowing for on-site water quality assessments without the need for a continuous power supply.

Applications

Battery powered turbidity instruments are widely used in various water quality applications. For instance, they are essential in monitoring the turbidity of drinking water, as higher turbidity levels can indicate potential contamination and increased risk of gastrointestinal diseases. They are also used in environmental studies to assess the impact of turbidity on aquatic life, where high turbidity can reduce sunlight penetration, affecting plant and animal growth in aquatic ecosystems.

Advantages over other Mechanical - Shock and Vibration Control Equipment

Battery powered turbidity instruments offer distinct advantages over traditional mechanical shock and vibration control equipment. Their portability and ease of use in the field make them ideal for remote monitoring without the need for extensive setup or calibration. Additionally, their design often includes rugged features that withstand environmental conditions, providing reliable measurements in various settings.

Limitations

One limitation of battery powered turbidity instruments is their dependency on battery life, which can restrict the duration of field operations. Additionally, while they are designed for portability, they may not offer the same level of precision as more sophisticated benchtop models, particularly in highly turbid or colored samples where interference can occur.

Considerations

When selecting a battery powered turbidity instrument, several factors should be considered. Initial costs can vary based on the complexity and features of the device. Operating expenses are generally low, but battery replacement and maintenance can add to the overall cost. Durability is a key consideration, especially for field use, where the instrument must withstand harsh conditions. Accuracy is crucial, and users should ensure that the device is regularly calibrated using known turbidity standards to maintain reliable measurements. Replacement and maintenance costs should also be factored in, particularly for components like the light source and photodetectors, which may require periodic servicing or replacement.

6 Results
Water Analysis Meter -- PCE-TUM 20
from PCE Instruments / PCE Americas Inc.

Inside the meter, there is an infrared LED light source with a wavelength of 850 nm. A photodiode positioned in a 90 ° angle to the measuring ray absorbs the light reflected by the particles in the dissolution. Diffused light or Nephelometric measuring methods are used for the lower measuring... [See More]

  • Water Quality Parameters: Turbidity
  • Accuracy: 5
  • Turbidity Range: 0.0 to 1000
  • Form Factor: Hand Held ; Portable
Handheld Fluorometer/Turbidimeter -- AquaFluor
from Turner Designs, Inc.

AquaFluor® is a lightweight, inexpensive, handheld fluorometer/turbidimeter ideal for field use. Its small size and durability make the AquaFluor perfect for the user who needs quick measurements away from the laboratory. Dual-channel capability allows users to measure fluorescence and turbidity in... [See More]

  • Water Quality Parameters: Turbidity
  • Features and Functionality: Battery Powered
  • Form Factor: Hand Held 
Turbidity Meter -- HI 93703
from Hanna Instruments, Inc.

Two operating ranges 0 to 50 and 50 to 1000 NTU, real time clock [See More]

  • Water Quality Parameters: Turbidity
  • Accuracy: 0.5000
  • Turbidity Range: 0.0 to 1000
  • Form Factor: Portable
Benchtop Turbidity Meter -- TRH444
from OMEGA Engineering, Inc.

The TRH444 is a compact turbidity analysis instrument designed for precision measurement of turbidity. The meter is equipped with an advanced microprocessor that results in long-term stability over a wide range of operational conditions. With its low level precision and accuracy, the TRH444 meets... [See More]

  • Water Quality Parameters: Turbidity
  • Accuracy: 0.0100
  • Turbidity Range: 0.0 to 1000
  • Form Factor: Portable; Lab / Benchtop; In-situ / Field
MicroTPI Field Portable Turbidimeter (Infrared) for Turbidity Testing
from HF scientific

Designed to provide the ease of portability needed in the field with rugged durability, the MicroTPI is a necessity for anyone monitoring turbidity on the go. The shock-resistant carrying case holds everything necessary for field operation while the instrument itself removes easily to go wherever it... [See More]

  • Water Quality Parameters: Turbidity
  • Accuracy: 2 to 3
  • Turbidity Range: 0.0 to 1100
  • Form Factor: Portable
Turbidity Meters -- Model 800
from Engineered Systems & Designs, Inc.

ABOUT ESD. All instruments are manufactured in the USA. Our modern facility and skilled staff guarantee the highest quality products. We strive to provide you with same-day response to all inquiries. We maintain an inventory that enables us to ship 95% of our product line within 24-48 hours. Every... [See More]

  • Water Quality Parameters: Turbidity
  • Display Type: Digital
  • Form Factor: Lab / Benchtop
  • User Controls: Manual Operation