Laurel Electronics products

Laurel Electronics, Inc.
designs and manufactures electronic instruments for industrial measurement, control and networking.

Laurel programmable transmitters, digital panel meters, electronic counters, industrial timers, bar graph meters, and large digit displays set the standard of the industry with technical features and performance.
Laureate Ethernet Transmitter Laurel Electronics LT Series Transmitter LTS6 serial to analog transmitter

Laureate LTE Series Ethernet & 4-20 mA transmitters can be interfaced to an Ethernet network while also providing an isolated 16-bit, 4-20 mA, 0-20 mA or 0-10V analog output plus dual solid state AC/DC relays. The Modbus protocol is fully supported.

Laureate LT Series RS485 & 4-20 mA transmitters provide an isolated, digitally addressable RS485 serial data output, plus an isolated 16-bit, 4-20 mA, 0-20 mA or 0-10V analog output, plus dual solid state AC/DC relays. The Modbus protocol is fully supported.

Serial-to-analog converters: Laureate LTS RS485 input transmitters and LTSE Ethernet input transmitters convert serial data to an isolated, 16-bit, 4-20 mA, 0-20 mA or 0-10V analog transmitter output. These converters can extract readings from long data strings.

Inputs for LT Series transmitters can be analog signals (AC voltage or current, DC voltage or current, strain gauge, load cell, thermocouple, RTD, resistance), pulse input signals (rate & frequency, totalizing, quadrature position or rate, process time, sum, difference or ratio of two inputs, AC phase angle or power factor, duty cycle), or a serial data input signals (RS232 or RS485).

Laureate digital panel meter by Laurel Electronics Laureate meter option boards Laurel QLS Quad Output Current Loop Splitter / Retransmitter
Laureate digital panel meters offer high speed and 5-digit accuracy, plus hardware options and programmable features to solve complex industrial measurement and control problems at minimum cost. Laureate meter options (all isolated) include contact or solid state relays, an analog output, and serial communications (Ethernet, USB, RS485, RS232). The Modbus protocol is fully supported. The QLS Quad Output Loop Splitter sources up to four independently adjustable 4-20 mA current outputs from a single 4-20 mA, 1-5V, 0-5V or 0-10V input. The inputs and outputs can have the same ground or different grounds.
88 PRO loop powered process meter M-35 microminiature process meter Laureate meter applications
The 88-PRO loop powered process meter can be connected directly to a 4-20 mA, 10-50 mA or 1-5 mA current loop, with no need for additional power to the meter. The M-35 Microminiature process meter is powered by isolated 10-30 Vdc power for 4-20 mA, 0-10 mA, 0-2V, 1-5V, or 0-10V process signals. Meter applications include AC voltage or current, DC voltage or current, process (e.g., 4-20 mA), process totalizer, strain gauge, load cell, thermocouple, RTD, resistance, and weighing applications.
Laureate 6-digit counter / timer by Laurel Electronics Laureate dual channel input frequency and rate meter Laureate counter applications by Laurel Electronics
Laureate counter / timers are applicable to a wide range of applications with pulse or AC signals. They offer exceptional accuracy with a 6-digit display at high update rates. Hardware options (all isolated) include relays for alarm or control, analog outputs, and serial communications (Ethernet, USB, RS485, RS232). The Modbus protocol is fully supported.
A frequency signal conditioner board
 accepts two signals from 0 Hz to 1 MHz at signal levels from 12 mV to 250 Vac. Applications include rate, frequency & period, totalizing, process timing, batch control, phase angle and power factor, and duty cycle. The two channels can be combined arithmetically, for instance to display the sum, difference or ratio of two flow rates or two totalized flows.
A voltage-to-frequency signal conditioner board converts analog signals to a frequency, thereby converting the counter into a very accurate process meter and process signal totalizer
A quadrature signal conditioner board accepts A and B encoder signals for accurate display of quadrature rate or position.
Ethernet transmitter and meter interface by Laurel Electronics
Model LTNET485 is a DIN-rail mounted Ethernet-to-serial device server which interfaces the Ethernet to up to 31 Laureate meters or transmitters on an RS485 bus. Discovery and configuration of Ethernet nodes and their connected devices can be via Windows based Node Manager Software, or via a Webserver Mode which uses a website resident in each node. Laureat LT Series transmitters include RS485 I/O and can be connected to the LTNET485 using 3 parallel wires (half-duplex RS485) or 5 parallel wires (full-duplex RS485), with no need for a hub.
1/8 DIN barg graph display process meter Laureate 6-digit serial input meter 4-digit Magna series large digit LED display
Our bar graph displays provide a graphical representation of process data. Our BAR Series 1/8 DIN bargraph process display fits in the same cutout as our 1/8 DIN digital panel meters, while our PRO-BAR Series large bargraph process display provides exceptional visibility over long viewing distances. Our Laureate 6-digit serial input meter can display Ethernet, USB, RS485 or RS232 data from PLCs, computers, instruments or smart sensors. It can also convert this data to one or two analog outputs to serve as an isolated current transmitter. Optional relays can respond to the transmitted readings or to control characters. Our MAGNA Series large digit displays come in four digit heights: 57 mm (2-1/4"), 102 mm (4.0"), 150 mm (5.9"), and 200 mm (7.9") for long viewing distances. They are available for the following signal types: serial data input, process signals (e.g., 4-20 mA), strain gauge / load cell input, frequency / rate input, quadrature position, clock or timer.
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