Digital Density Meters

Compared to Pycnometers and Hydrometers
Digital density
Manual methods are being replaced by digital density meters for many critical reasons. Even though digital density meters are more expensive, it is a necessary investment.

This comparison datasheet gives a description, applications, and advantages and disadvantages for the following instruments:

Pycnometer
Hydrometer
Benchtop digital density meter
Handheld digital density meter

Manual methods for density measurements: Manual methods like pycnometers and hydrometers are widely used for the determination of density and related values, e.g. specific gravity, alcohol%, BRIX°, API degrees, Baumé, Plato, etc. Although these methods are easy to use and quite inexpensive, they require expertise in every step of the manual operation protocols, which often affects the accuracy and reliability of the results. Most often, different operators will obtain different results for the same sample.

Digital methods for automatic density measurement: Digital density meters use the oscillation tube technology to measure very accurately the density of a sample in a short time. In addition, benchtop digital density meters use a built-in Peltier thermostat to control the temperature of the sample. The measurement is started by pressing a key, after a short time the result appears on the screen and can be printed, sent to a computer or exported to LIMS.

FROM: METTLER TOLEDO

Advantages of Tank gauge with density temperature mass measurement

Tank gauge with density temperature mass measurement have their advantages: They measure rate changes, can be viewed from long distances, and do not require power. But if accuracy is vital when measuring pressure, industrial analog tank gauge with density temperature mass measurement simply cannot compare to how precisely tank gauge with density temperature mass measurement measure pressure. Tank gauge with density temperature mass measurement offer many other advantages as well.

Advantages of tank gauge with density temperature mass measurement

Many applications for tank gauge with density temperature mass measurement require that they be used in temporary installations. Tank gauge with density temperature mass measurement, like the DG-10 digital pressure gauge, are suitable for a wide range of applications and industries, including mechanical engineering, hydraulics/pneumatics, pumps/compressors, and general service/test operations.

Since they may be transported around in the intervening periods during application, tank gauge with density temperature mass measurement feature a stainless steel case, well-designed battery housing, and robust electronics to ensure the longevity of the gauges and subsequent accuracy of readings. An optional rubber cover is available for additional protection for the DG-10.

The readings that tank gauge with density temperature mass measurement offer on digital displays are as fast as they are precise. When a local digital display is required, a digital pressure gauge, like the DG-10, is the ideal solution. They take the manual work out of calculating pressure by reading international measurement units including bar, psi, and MPa. The multi-function display also features a bar graph with a drag pointer and a MIN/MAX memory feature which can recall minimum and maximum pressure readings.

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Tank Terminal Automation System Solution

Tank terminal automation systems find applications primarily in Trucks /Wagon fuel loading. Fuels include Motor Spirit (MS), Diesel, Aviation Turbine Fuel (ATF), Naphtha, Superior Kerosene Oil (SKO), Furnace Oil, (Diesel High Pour Point) DHPP, Liquefied Petroleum Gas (LPG), Chemicals.

The Flowmeters used are generally PD Meters or Coriolis Mass Flowmeters. The Batch Controllers supplied conform to OIML R117 capable of simultaneous Additive Injection and Ethanol Blending with Ratio Control and Our AMC includes hassle-free service at all times leading to enhanced performance and higher productivity.

Tank terminal automation with primary secondary radar gauges and overspill relay are SIL2, approved withsoftware integrated to TAS.

Security Surveillance

We deliver solutions for security surveillance, CCTV, Access Control systems for public utilities, oil depots and terminals.

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TLS Automatic Tank Gauge

We provide one-of-a-kind automatic tank gauges with the highest advanced fuel monitoring technology to well over 500,000 tanks worldwide and continuously growing. As you will see, we offer a variety of automatic tank gauge consoles to fit your need.

The automatic tank gauge optimizes automatic tank gauging due to its ability to manage inventory automatically. It adds two key components: the ability to automatically manage inventory (BIR) and AccuChart – as standard features. The automatic tank gauge manages your wet stock more efficiently to ensure excellent timing, avoiding environmental issues and quality controls.

Key benefits of this product include: optimal risk management and environmental protection for the whole forecourt, variance analysis, business inventory reconciliation, in-tank leak detection and more. Request a quote today.

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What is Automatic Tank Gauge?

Definition – What does Automatic Tank Gauge mean?

An Automatic Tank Gauge is a device that automatically measures the level of crude oil, LNG and petroleum products in storage tanks and raises an alarm when the level goes down or up the threshold limits. It operates electronically and keeping track of any leakages in the tank. When the upper limit of re-filling the tank is reached, it cuts off the supply from the inlet pipeline and intimates the operator on their human machine interface.

Petropedia explains Automatic Tank Gauge

Automatic tank gauge (ATG) systems measure the levels of liquids inside tanks with the help of electronic probes. These probes consist of long rods that house certain number of sensors known as floats. The position of the floats informs the operator sitting at the ATG console about the amount of petroleum product present in the tank. Apart from measuring the petroleum levels, the probe rod also houses thermistors that measure the liquid temperature.

An ATG console machine is connected electronically with all the storage tanks located inside the main facility and displays all the internal views of a storage tank to the operator sitting at the console.

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About Tank Gauging System

Improve Terminal Operations with High Performance Bulk Liquid Measurements

Reduce uncertainty in oil inventory and transfers:

• Receive real-time tank data for accurate net volume calculations.
• Get certified custody transfer accuracy.
• Utilize tank capacity efficiently.

Improve safety:

• Comply with overfill prevention standards such as API 2350.
• Use SIL 2 and SIL 3 certified devices.

Simplify installation and terminal operations:

• Benefit from unique 2-in-1 technology.
• Simplify automation and expansion with Smart Wireless.
• Use gauge emulation to replace old mechanical gauges.

How the tank gauging system works

The tank gauging system monitors inventory, so you know the exact amount of stored products. The tank gauging system measures precise batches and custody transfers between ship and shore as well as in pipeline transmissions. Use the tank gauging system for everyday operations, oil movement, scheduling purposes and blending programs. Keep accurate track of leaks and prevent overfills to reduce environmental impact and the financial consequences of oil losses.

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What Is The Servo Tank Gauge

The servo tank gauge is equipped with a patented Servo Auto Test feature that increases its safety integrity as well as diagnostic coverage, allowing it to be used in overfill protection loops to prevent spillage. The servo tank gauge has a Safe Failure Fraction (SFF) of more than 90% which allows it to be used in SIL-2 safety loops.

If used in a redundant configuration, the servo tank gauge can also be used in SIL-3 rated loops. With these diagnostics, the safety proof-test interval can be extended to 5 years, significantly bringing down the operational cost compared to other solutions that require a proof test to be carried out every year. A highly accurate and advanced force transducer, microprocessor control and advanced software give users precise, reliable measurement and control.

Installation is easy. Almost any nozzle 2” and up can be used, even with the tank being in service. To simplify startup, calibration and servicing, the portable tool can be used to bypass the central system.

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Solutions for Tank Terminal Automation

Offerings for Storage Tank Terminal Automation / Receipt Depots and LNG Terminals

Tank Terminal Automation for Tank Truck filling, Wagon loading, Ship Transfer and LNG

  • Process Control and Safety PLC System
  • Loading Automation
  • Tank Farm Management System
  • ERP Integration
  • Business Intelligence Solution
  • Mobility Management Solution

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Raptor Tank Gauging System

The tank gauging system really takes tank gauging to another level, making you better equipped to handle the ever-increasing demands on efficiency, safety and accuracy. It is a complete and flexible tank gauging system, based on the open industry standard FOUNDATION™ fieldbus.

The tank gauging system can be used for refineries, tank terminals and in the petrochemical industry. It is the accurate tank gauging system for custody transfer, process control, inventory control or for filling a tank without risk of overflow. The tank gauging system can be designed for SIL 3 safety. The tank gauging system includes cost-effective alternatives for each performance class.

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Get familiar with your tank gauge with density temperature mass measurement

When it comes to our customers, we have a pretty good idea how much fuel is in their tank. It’s based on a series of calculations and basic knowledge of your home, all which is outlined on our How does automatic delivery work page. Whether you’re an automatic delivery customer or a will call customer, the oil tank in your home has a gauge on it. We would like to help you know how to read your tank gauge with density temperature mass measurement and how much fuel is in your tank based on where the gauge is.

There are several different types of gauges that are install in tanks, one of the most popular and difficult is a bobber type gauge. This a long glass tube with lines for full, ¾, ½, ¼, and measurements in between. Inside the tube is a bobber that represents where how much oil is in the tank gauge with density temperature mass measurement, similar to the image above. Many of customers will call and state that the tank gauge with density temperature mass measurement is empty when the bottom of the bobber hits E. The bobber is meant to be read from the top down. So if the top of the bobber is at ¼ you have enough oil for several days in the winter, but should schedule a delivery or a delivery will be on it’s way. Other gauges include dials and old time outside thermometer styles which can be easier to read off.

Now what does a ¼ tank mean? Using the image below you’ll know how much fuel is in your tank at any given moment. Now these numbers are based on a standard 275 oil tank. When the tank gauge with density temperature mass measurement is full will only have about 255 gallons in it instead of a full 275. This is because of air inside the tank gauge with density temperature mass measurement that prevents it from being maxed out. When a driver makes a delivery they listen for a whistle that comes from the vent pipe (one of the two pipes that run out of your tank). This whistle means that tank is full.

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