Category: Density


Density is important because it allows us to determine which substances will float and which substances will sink when placed in a liquid. Generally, substances float so long as their density is less than the density of the liquid they are placed in. Density is the mass of an object divided by its volume. One can find an object’s mass using a scale and use water displacement to find the volume of irregular objects. Water displacement is a useful tool to calculate the volume of the object. The amount of water displaced by an object submerged in water equals the volume of the object.

  • Draft Survey Hydrometer | D4040

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    Draft Survey Hydrometer - Overview

    This Draft Survey Hydrometer is suitable for use in sea or freshwater. A draft survey is a method of cargo weight measurement where the vessel's water levels are taken when empty and again when loaded. The difference between the two determines the weight of the shipment loaded (or unloaded).

    Draft Survey Hydrometer - Features

    • Highest quality glass tubing
    • Clearly marked figures and graduations on scales
    • Temperature adjustment indicated
    • Fiducial Mark (datum line) enables calibration by UKAS Laboratories where applicable
  • Ultrasonic Sludge Density Meter ENV200

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    Ultrasonic Sludge Density Meter ENV200 Overview

    The ENV200 is an ultrasonic instrument that measures the density of suspended solids in a liquid. It consists of sensors, a controller, and a junction box.

    ENV200 with PCM(Process Condition Monitoring) algorithm measures not only the size of the received signal which is often measured by conventional ultrasonic density meters but also observes changes in sound velocity and temperatures in the process. As it monitors operational status and water status in the pipe and then decides the validity of each measurement it contributes to increasing stability and reliability of the measurement. The ENV-200 utilizes the EEA (Envelope Energy Average) method that saves reception signal envelop and then calculates its energy, rather than using the reception signal’s amplitude change.

    ENV-200 offers three types of sensors, such as spool-piece, tank-mount, and clamp-on type to accommodate all field demands at installation.

    Sludge Density Meter ENV200 Product Features

    1. Continuous measurement
    2. Process monitoring possible (run, stop, full, empty)
    3. 10,000 points data logging
    4. EEAM(Envelope Energy Average Method)
    5. Various types of sensors