Serial Interface Level Transmitters
Description
Serial Interface Level Transmitters are devices designed to convert measurement data from sensors into a serial data format for transmission. These transmitters are integral in systems where data needs to be communicated over long distances or integrated into digital networks. They typically work by converting analog signals from level sensors into digital signals that can be transmitted serially.
Working Principle
Serial Interface Level Transmitters operate by first receiving an analog signal from a level sensor. This signal is then converted into a digital format through a process of signal conditioning and analog-to-digital conversion. The digital data is serialized, meaning it is transmitted bit-by-bit over a communication line, synchronized by a system clock. This method of data transmission is particularly useful for reducing the number of physical connections required and for minimizing interference over long distances.
Applications
Serial Interface Level Transmitters are commonly used in industrial settings where precise level measurements are critical. For example, they are employed in chemical processing plants to monitor the levels of various liquids in storage tanks. They are also used in water treatment facilities to ensure that water levels in reservoirs and treatment tanks are maintained within specified limits.
Advantages over other Level Transmitters
One of the primary advantages of Serial Interface Level Transmitters is their ability to transmit data over long distances with minimal signal degradation. This is particularly beneficial in large industrial plants where sensors may be located far from control systems. Additionally, the use of serial communication reduces the complexity and cost of wiring compared to parallel transmission systems.
Limitations
A notable limitation of Serial Interface Level Transmitters is their reliance on a system clock for synchronization, which can introduce latency in data transmission. Furthermore, the serial transmission of data can be slower compared to parallel methods, which may be a disadvantage in applications requiring real-time data processing.
Considerations
When selecting Serial Interface Level Transmitters, it is important to consider the initial costs, which can vary depending on the complexity of the system and the specific requirements of the application. Operating expenses are generally low, as these transmitters are designed for durability and long-term use. However, maintenance costs should be considered, particularly in harsh environments where equipment may be exposed to corrosive substances or extreme temperatures. Accuracy is another critical factor, as the precision of the transmitter can significantly impact the overall performance of the measurement system.
from BinMaster, Inc.
The LL-100 laser level measurement sensor is used for level control, plugged chute detection, and monitoring buildup. This non-contact device can be used in bulk solids, pellets, or granular materials of all material dielectrics. It measures up to 160 feet with a tight 1 ° beam, making it... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Dry material (Bulk solids and powders)
- Measuring Range: 12 to 1920
from ABB Measurement & Analytics
The measuring laser uses invisible, infrared light. There is a second, visible aiming laser to help with the alignment of the measuring laser. The laser beams have very little divergence so that accurate targeting is easy even in silos or vessels that have internal structures. FEATURES: ·... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Dry material (Bulk solids and powders)
- Output Options: AnalogCurrent; Alarm / Visual Indicator
from Arjay Engineering
Reliable monitoring of liquids and solids for a continuous level output. The probe continuously monitors product levels to provide a proportional level signal for pumps, alarms or control system interface. The 2880-LT sensing probe monitors the capacitance field around the active probe. As the... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid; Dry material (Bulk solids and powders)
- Output Options: AnalogCurrent
from ABB Measurement & Analytics
Based on pulsed laser technology, the LM80 embodies speed and accuracy in a single, easy to use and install product. Whether measuring a few meters into the confined space of a crusher, or to the bottom of the tallest silo, the LM80 with its laser pointer and long range is the plug-and-play solution... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid; Dry material (Bulk solids and powders)
- Output Options: AnalogCurrent; Alarm / Visual Indicator
from Arjay Engineering
Reliable monitoring of oil/water interface and emulsions. The sensing probe continuously monitors the capacitance of the inserted probe. As the interface or emulsion layer (rag layer) crosses over the probe, a proportional 4-20 mA output is provided. Typical applications include oil water... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Output Options: AnalogCurrent
from ABB Measurement & Analytics
Measuring the LevelMaster ’s importance. The LevelMaster provides high-precision level measurement for any tank up to 25 feet (7.6 m) tall. A LevelMaster of any length is an exceptional tool that can be relied on to: ・Ensure Accurate Sales. For custody transfer applications, the... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Maximum Operating Pressure: 200
from FineTek
The EG Series is a magnetostrictive level transmitter used to accurately measure the changing level of liquids. The EG magnetostrictive level transmitter uses the principles of buoyancy and magnetostriction. Single and two-float designs are available. EGX Magnetostrictive Level Transmitter, Liquid... [See More]
- Communication Interface Options: Digital Serial
- Output Options: AnalogCurrent
- Media Type: Liquid
from Massa Products Corporation
MassaSonic ® PulStar ® Series Ultrasonic Sensors are ruggedly designed transmitting modules that provide reliable continuous level or distance measurement of fluids, pastes, or solid bulk materials. PulStar Sensors accurately operate at application ranges from 8 inches (100 mm) to 13 feet (6... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Measuring Range: 8 to 156
from OTT Hydromet
The OTT ecoLog 1000 is a self-contained, cellular groundwater level logger for measuring water level and temperature. It provides reliable system up-time and accurate measurements while avoiding data gaps. It ’s simple to operate using just a smart phone or PC via integrated Bluetooth Low... [See More]
- Communication Interface Options: Digital Serial
- Measuring Range: 0.0 to 3937
- Media Type: Liquid
- Material Temperature Range: -13 to 158
from PMC Engineering LLC
The PMC VersaLine ® VL5xx6 Series is part of a comprehensive range of submersible transmitters for the depth and level measurements of ground, surface, waste, and sea water. Suitable for small size bore holes, wells, dams, irrigation, sewage lift stations, rivers and oceanography. For Zero... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Output Options: AnalogCurrent
from Madison Company
Madison Company offers a series of low-cost radar sensors for continuous level measurement. This product series offers a logical extension to the ultrasonic sensor series, where application conditions are in need of non-contact liquid level measurement, and where ultrasonic level measurement is not... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Output Options: AnalogCurrent
from Uehling Instrument Company
Dual Engineering Unit Calibrated Scales. 10 Inch 100 LED Column. Full Range Display of Partial Input Signals. EASY Recalibration via Dipswitches. On-Board Sensor Excitation. Accepts External mA or VDC Input. Environmentally Smart Replacement for Mercury or Other Fluid Filled Gauges [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Output Options: AnalogVoltage; AnalogCurrent
from Keller America, Inc.
The DCX-38 VG is an autonomous instrument for recording water level with a high resolution and full scale ranges as low as 0,5 mWC / 50 mbar. It features a rugged, gold-plated ceramic diaphragm for outstanding long-term stability and stainless steel housing with user serviceable battery for long... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Maximum Operating Pressure: 4.35
from OMEGA Engineering, Inc.
The LVU30 Series of RoHS Compliant low-cost ultrasonic sensors that produce detection ranges from as close as 100 mm (4") to greater than 4.5 m (15'). Incorporating state-of-the-art ultrasonic technology, the sensors provide precision non-contact distance measurement for factory automation or... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level; Single Point or Multi-Point Level
- Media Type: Liquid
- Measuring Range: 4 to 180
from Massa Products Corporation
MassaSonic ® PulStar ® Series Ultrasonic Sensors are ruggedly designed transmitting modules that provide reliable continuous level or distance measurement of fluids, pastes, or solid bulk materials. PulStar Sensors accurately operate at application ranges from 4 inches (100 mm) to 20 feet (6... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Output Options: AnalogVoltage; AnalogCurrent
from PMC Engineering LLC
The PTM/N/RS485 series is an outstanding transmitter and part of a range specifically designed for the measurement of depth and level in water, wastewater and tanks. The series 44 offers RS485 (Modbus) protocol together with a 4-20 mA, 2-wire configuration for both level and temperature. It is... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Output Options: AnalogCurrent
from Madison Company
Madison Company offers a series of low-cost radar sensors for continuous level measurement. This product series offers a logical extension to the ultrasonic sensor series, where application conditions are in need of non-contact liquid level measurement, and where ultrasonic level measurement is not... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Output Options: AnalogCurrent
from Uehling Instrument Company
Digital Tank-O-Meters ® accurately measure tank contents regardless of the tank location in relation to the Digital Display. They are a natural extension of Uehling's well known and time proven line (since 1896) of Tank-O-Meter ® gauge products. Systems are also available as a retrofit... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Output Options: AnalogVoltage; AnalogCurrent; Alarm / Visual Indicator
from Keller America, Inc.
The Nanolevel submersible level transmitter utilizes a ceramic measuring cell for high resolution and excellent stability in applications with very low pressure ranges. The dual output feature ensures compatibility with most pump controllers and SCADA systems. The Nanolevel is assembled in the U.S. [See More]
- Communication Interface Options: Digital Serial
- Output Options: AnalogCurrent
- Media Type: Liquid
- Maximum Operating Pressure: 4.34
from Massa Products Corporation
MassaSonicPulStar Loop-Powered Sensors are ruggedly designed ultrasonic transmitter modules that provide reliable continuous level or distance measurement of fluids, pastes, or solid bulk materials forapplication ranges from 8 inches (200 mm) to 20 feet (6 meters). Incorporating state-of-the-art... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Output Options: AnalogVoltage; AnalogCurrent
from PMC Engineering LLC
The DTM.OCS.S/N Series digital submersible transmitters are polynomial compensated high performing level sensors which achieve total error bands up to 0.03% FS over a temperature range of 25 to 175 °F. The DTM.OCS.S/N is based on the standard RS485 ModBus protocol and can be easily connected to... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Maximum Operating Pressure: 360
from Madison Company
Madison Company offers a series of low-cost radar sensors for continuous level measurement. This product series offers a logical extension to the ultrasonic sensor series, where application conditions are in need of non-contact liquid level measurement, and where ultrasonic level measurement is not... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Output Options: AnalogCurrent
from Uehling Instrument Company
Type "U" Ultrasonic Digital Tank-O-Meters ® are provided with (2) user programmable setpoint relays. (For alarms, pump/valve on/off, maintaining levels) and an analog output (4-20 mA, 0-10VDC or 0 to 5 VDC). Serial Outputs are also available. [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Output Options: AnalogVoltage; AnalogCurrent
from Keller America, Inc.
The Digilevel employs Keller's proven piezoresistive sensor technology coupled with an SDI-12 serial-digital interface for environmental level monitoring applications. The Digilevel is compatible with all SDI-12 v1.3 commands and capable of operating in several emulate modes for popular SDI-12... [See More]
- Communication Interface Options: Digital Serial
- Level Measurement Type: Continuous Level
- Media Type: Liquid
- Maximum Operating Pressure: 390