Telemetry is a broad field and it is applicable to many dissimilar areas: from safety monitoring in nuclear plants, to the migration habits of endangered species. It is widely used in big projects like power plants, sewer operate and purifying water plants; and their versatility has found diverse applications in the private arena. Thanks to the advances in technology, telemetry is used successfully in chemical plants and the food industry; this used to be a challenge in the past as stainless steel and concrete interfere with some wireless signals.
Measuring of bodily and chemical parameters in tanks are areas where telemetry has huge applicability. Due to the diversity of configurations, there is not a one size fits all solution. When shopping for the best telemetry principles for your single firm requirements, you need to have a clear idea of your conditions beforehand. There are seven main elements complicated in the implementation of the system, if you elaborate your needs in these seven points, it will be very easy to pick the right configuration:
Differential Pressure Sensor Installation
Sensor/hardware optimization: The sensors to be used will be affected by the nature of the substance in the tank. It is not the same to have acid, fuel or syrup. So take note of what is in the tank.
Sensor integration: Depending on what you want the sensor to part and the conformation of your tanks, the best position to place it will vary. You also need to specify if you are using the principles for a single tank or many tanks. The main options for positioning in site are:
- Flow meter: in or out
- Bottom: differential pressure
- Top: ultrasonic or contact
- Contact: high, low or overflow
Form of communication/signal: The optimal form of transportation will be carefully by the location characteristics and accessibility of signal. The two main groups are short range wireless association or long range wireless connection.
Short range: If your tank is close to a Lan(Local Area Network) or a Wan (Wide Area Network), you can use low energy signals. Some of the options available are: 802.xx protocol, Wi-Fi and short haul Rf. Which one is the best depends on the obstacles in the signal´s path and their wave absorption power.
Long range: If the tank is in a remote place or the short range signals are absorbed, some of the options are digital mobile technology (Gprs/Cdma), analog cellular, satellite or a aggregate of them.
Power: The transportation devices need energy to operate. If your tank is local, pay concentration to the power configuration and see if you can hardwire or if you need a battery. If the tank is on a remote location, you can you use a battery or you might need solar charging.
Communication frequency/Direction of signal: The optimal transportation frequency will be consequence of the nature of the data you want to analyze and store; and if you want the principles to perform actions or not. If you are using telemetry for transmitting data to a central hub for safety or analysis, then you will need one way communication. If you want the principles to be able to answer to distinct signal and create changes (open/close a valve for example), you need two way communication.
Once you pick one or two way communication, there is still the actual transmission frequency. Some of the options are: continuous, minutely, hourly, daily, monthly or alarm activated (usually high or low level).
The transportation frequency and direction of signal will sway the choice of the emitter and receiver hardware, and partly the supervision software used or institution advanced for you.
Storage and supervision of information: If you have a Lanor Wam, you can store and run the prognosis of the data on your own network. In this case, at least one of the computers of the network will be dedicated to this endeavor, and the reception hardware will be attached to it. If, on the other hand, citizen from dissimilar geographical locations need entrance to the information, then you might opt for a hosted solution. Hosted solutions allow for 24-7 entrance via internet, so it becomes location independent.
Budget: There are hardware choices in dissimilar price ranges. As rule of the thumb, the smaller the up-front cost the bigger the long term cost. The total cost of the scheme will be given by the hardware itself, installation, life of the tool and maintenance costs.
These are the seven main elements to analyze when finding for a telemetry principles for your firm requirements. If you crusade for a service victualer with this data at hand, the crusade will be much more sufficient and you will be able to take informed decisions fast.
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