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High performance LED bargraphs in a variety of standard stackable packages are designed for use either singly or as a multiple units in applications such as instrumentation, audio equipment, level indicators and computer peripherals. Using an LED bargraph eliminates the alignment and colour matching problems associated with arrays of single LED indicators.
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FEATURES :
* Microcontroller based design.
* Single Universal Input (8 user selectable).
* Two fixed type of inputs.
* Built in square root extractor for 4-20mA (optional)
* Two relay outputs for High, Low or Deviation per input.
* 4-20mA retransmission output linearized and proportional to PV.
* PID control output per input (optioanl)
* Bright red LED display for PV and SV.
* 51 LED bar graph display for PV or SV Or Both
* Built in 24VDC loop supply.
* IP 20 metal enclosure (144 x 72 x 120)mm
* RS 485 modbus serial interface (Optional).
Product Description:
Libratherm offers Micro controller based single or two input Bar Graph Process Indicator model BGI-144-S and BGI-144-D with both Digital and Bar graph display. In addition, the instrument provides single or dual analogue retransmission output of 4-20mA and built in 24VDC loop supply to power external loop transmitter. The process value is converted into equivalent percentage value and is displayed on the bar graph using 51 red LEDs. Serial communication on RS485 2 wire with MODBUS RTU protocol is also available with programmable modbus ID in slave mode. BGI-144 is available in 144 x 72 x 120mm panel mounting enclosure with ABS bazel, polycarbonate graphics and metal enclosure. BGI-144 works on 90 to 250VAC supply.
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The series A2 digital differential pressure gage is a patent pending microprocessor based digital pressure gauge for positive, negative, and differential measurement designed to be a direct replacement for mechanical gauges. The Series A2 differential pressure gauges utilize an extremely stable piezoresistive sensing technology to give a standard full scale accuracy of 1%. For applications requiring better accuracy, the A2 is also available with 0.5% accuracy. The A2 pressure gauge also has an optional 4-20 mA output for applications requiring an output signal. The A2 features a bright ½" LED display and process arch, which gives the gauge improved readability and precision. The A2 digital differential pressure gauges also feature 5 user selectable engineering units including in. w.c., mm w.c., cm w.c., kPa, and Pa. The Series A2 offers an improved look, and performance compare to mechanical gauges.
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