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SUR-49B Meter with a 9 mm High LED Display, 20 Points Bargraph

Discover the SUR-49B Universal Input Meter: a versatile, precise instrument for diverse signal types including 0/4-20 mA, 0-10V, 0-150 mV, and various temperature sensors (Pt 100/500/1000, TC types K through E). It offers accurate measurements with automatic temperature compensation, supporting multiple characteristic curves. Features include a 24V DC output, RS-485 port for integration and data transmission, configurable control outputs (REL / OC), and optional analogue outputs. Configure easily via local keyboard or S-Config software. The SUR-49B delivers unparalleled flexibility and accuracy.

SUR 49B Universal Input Meter Product Parameters

  • Output Signal: 0-20/4-20 mA, 0-10V, LED display with 20-points bargraph
  • Accuracy: 0.1% @25°C ± one digit for most inputs
  • Electrical Connections: Max 7 VA, various power supply options
  • Media Compatibility: IP 65 front, IP 20 case/connection clips
  • Special Features: RS-485 Modbus RTU, broad input range, customisable outputs

Product Highlights

The SUR49B meter is a versatile device with a universal input supporting various input types: 0/4-20 mA, 0-10V, 0-150 mV, Pt 100/500/1000, or TC (K, S, J, T, N, R, B, E). It ensures precise measurements by utilising one input type at a time and automatically compensating for cold-end temperature. RTD and TC inputs offer fully linearised characteristics. The meter can be used in diverse process control systems, thanks to its wide range of characteristic curves (linear, square root, quadratic, user-defined, and volume characteristic for cylindrical tanks). It features a 24V DC output to power measuring transducers and an RS-485 port for data transmission in production process monitoring systems. REL/OC control outputs enable adjustment of the measured signal level based on one or two threshold values. Additionally, the meter can be customised with analogue outputs: active current output, passive isolated current output, or active voltage output. Configuration is possible through the local keyboard or S-Config software via the RS-485 communication port.


  • Meter with a 9 mm high, LED display
  • 20-points bargraph
  • Universal input: 0/4-20 mA, 0-10V, 0-150 mV, RTD or TC
  • REL 5A / OC (SSR) 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: SUR 49B

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