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SRL-49 Process Meter with Bargraph

The SRL-49 meter offers precise current and voltage measurement with a four-decade LED display and a 20-point, two-color bar graph. It supports various characteristic curves and interfaces with process control systems. Its 24V DC / 100 mA output powers transducers, and RS-485 enables data transmission. Control outputs adjust signals. Choose from active current, passive isolated current, or active voltage output. Easy configuration via keyboard or S-Config software. Discover precision measurement with the SRL-49 meter today.

SRL 49 Process Meter Product Parameters

  • Pressure Ranges: 0/420 mA (max. 0-24 mA), load resistance 700 Ω max.
  • Output Signal: Active current: passive current: isolated, max. 2.8-24 mA
  • Accuracy: 0.1% @25°C ± one digit
  • Electrical Connections: RS-485, 8N1 and 8N2, 1200 bit/s ÷ 115200 bit/s, Modbus RTU
  • Process Connections: Panel mounting; material: NORYL – GFN2S E1
  • Media Compatibility: IP 65 (front), optional integrated frame for panel cut-out sealing
  • Special Features: LED display, red, 4 x 9 mm high + 20-points bargraph, red-green

Product Highlights

The SRL49 Process Meter is a versatile instrument designed for measuring typical current or voltage signals. It features a four-decade LED display and a 20-point, two-colour bar graph that covers the full measuring range, providing simultaneous readouts. With its wide range of characteristic curves, including linear, square root, quadratic, user-defined, and volume characteristics for cylindrical tanks, it can be used in various process control systems. The meter offers a 24V DC / 100 mA output to power measuring transducers, and the RS-485 port allows for seamless data transmission in production process monitoring systems. The REL / OC control outputs enable precise signal level adjustment based on one or two threshold values. Additionally, the meter can be equipped with analogue outputs, such as active current output, passive isolated current output, or active voltage output, based on customer selection. Configuration can be done using the local keyboard or the free S-Config software via the RS-485 communication port.


  • Process meter with bar graph
  • inputs: 0/4-20 mA, 0/1-5V, 0/2-10V
  • 0, 2 or 4 REL / OC outputs
  • Analogue output: active or passive, power supply output: 24V DC
  • RS-485 / Modbus RTU
  • Signal peak value detection
  • Free configuration software S-Config

To download the latest datasheet click here: SRL 49

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