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Slurry Density Meter

Rhosonics introduces the Slurry Density Meter (SDM). This robust measuring instrument shows the density in S.G. (Specific Gravity).

More than ten years of experience with harsh applications has been used to develop this highend device. All of our R&D effort allowed the creation of the SDM, an eco-friendly density meter capable of measuring the density of challenging water-based slurries.

Introduction

For many years, nuclear devices were the only option. Nowadays the non-nuclear SDM is used to replace radiation based devices. Rhosonics employs the field proven ultrasonic technology for density measurement. The transition to the non-nuclear SDM significantly reduces operational costs and eliminates all health and safety risks related to the radioactive source.

  • Optical water detection when filling the measuring chamber
  • Logging of measurement data and messages / alarms using an integrated SD or optional SDHC card (2GByte)
  • Firmware update via SD card
  • Multilingual menu with easy switching (internal programming is retained)
  • External clear / acknowledge input
  • Automatic bleeding of the indicator line
  • Range monitoring (fall below limit value1 / exceed limit value 2)
  • Import and export of settings (basic programming) with selectable file name
  • LCD graphic display
  • Integrated self-test with continuous monitoring
  • Free programmable password
  • Doors can be changed individually
  • Permitted number of lack of water, freely programmable (for systems with temporarily low water pressure)

SDM – DESCRIPTION

The Rhosonics Slurry Density Meter has its sensor, analyzer, cable and software integrated in just one system. The density meter is compact and lightweight In addition, the ‘HART’ protocol helps to improve communication with the DCS system.

A single probe is used for accurate density measurements in light to very dense slurries. The density is measured by ultrasonic technology which is non-nuclear and completely environmental friendly.

The sensor is easily mounted and is not intruding the slurry. Furthermore, the sensor is made of durable and abrasion resistant materials for a long service life and low maintenance needs.

Industries

The RS1 performs fully automated colorimetric measurements in a process setting utilizing up to three reagents.
Programmable automatic calibration with selfreferencing feature.
Programmable cleaning cycle and long life LED minimizes required maintenance.
7” intuitive touch screen display with easy-to-use software allows users to calibrate and view data.
Dual compartment enclosure ensures complete separation between electronics, sample, and reagents.
Standard data outputs include MODBUS, 4-20mA, and USB to CST Software.

Features and Benefits

  • Non-nuclear technology
  • Robust, compact and lightweight
  • Easy installation and calibration
  • Durable probe system
  • Lowest possible maintenance needs
  • High accuracy and reproducibility
  • Suitable for various types of slurries
  • Communication via 4 … mA / HART
  • Continuous data logging

Benefits compared to the nuclear device:

  • No health and safety risks
  • No radiation safety officer (RSO)
  • No licenses or obligatory training no costs for disposal and transport of the radiation source

RCU – REMOTE CONTROL UNIT

A Remote Control Unit (RCU) is available to read values, convert signals and change settings of the SDM from a convenient location of choice. Please contact Rhosonics for more information.

How to Install

The following guidelines apply for installation :

  • Install the sensor with 5xD of straight pipe length upstream or 3xD of straight pipe length downstream.
  • In horizontal pipes the sensors must be installed at a 45° angle position from the bottom of the pipe.