SRP-N118 Wall Mounted Programmable Process Meter

The SRP-N118 Process Meter is purpose-built for applications where robust protection and reliable signal measurement are essential. Housed in a tight IP67-rated enclosure, this device is ideal for harsh environments where dust, moisture, or washdown conditions are present. The meter features a clear LED display with four or six digits, making it suitable for both standard and high-resolution applications such as weighing, batching, or process monitoring. It supports a wide range of input signals, including current (0/4–20 mA) and voltage (0/1–5V, 0/2–10V), and offers programmable characteristic curves—linear, square root, quadratic, user-defined, and volume for cylindrical tanks—enabling precise adaptation to specific process requirements.

The SRP-N118 offers advanced control and integration features, including up to two relay or open collector outputs, analog outputs, and a 24V DC supply for external transducers. The device supports RS-485 Modbus RTU communication for seamless integration into process monitoring and automation systems. The alternating relay function enables automatic switching of outputs, making it ideal for pump control and similar applications. Configuration is user-friendly, with options for remote setup via infrared controller or free S-Config software, eliminating the need to open the case. With its rugged design, versatile input compatibility, and advanced display, the SRP-N118 is a powerful solution for process monitoring in challenging industrial settings.

Features Of The SRP-N118 Wall Mounted Process Meter

  1. IP67 Wall Mounted Enclosure
    Provides robust protection against dust and water, ensuring reliable operation in harsh industrial environments.

  2. Versatile Signal Input Compatibility
    Accepts current (0/4–20 mA) and voltage (0/1–5V, 0/2–10V) inputs for broad application flexibility.

  3. Clear Four Or Six Digit LED Display
    Offers high visibility for process values, suitable for both standard and high-resolution applications.

  4. Multiple Output And Control Options
    Up to two relay or open collector outputs, plus analog outputs for process integration and control.

  5. Advanced Programmable Signal Processing
    Features linear, square root, quadratic, user-defined, and volume characteristic curves for flexible measurement.

  6. Alternating Relay Function For Pump Control
    Enables automatic switching of outputs for alternating pump or device operation.

  7. Easy Configuration And Communication
    Local keypad, IR remote, and free S-Config software with RS-485 Modbus RTU interface for simple setup and remote monitoring.

SRP-N118 Process Meter Technical Specifications

FeatureSpecification
Power Supply24V AC/DC, 85–260V AC/DC, 12V AC/DC (all separated)
Display4-digit or 6-digit LED, red or green (option)
Input TypesCurrent (0–20 mA, 4–20 mA), Voltage (0–5V, 1–5V, 0–10V, 2–10V)
Outputs0 or 2 relay (REL) or open collector (OC), analog output (current/voltage, active/passive)
Analog OutputActive current (0/4–20 mA), passive current (4–20 mA), active voltage (0/1–5V, 0/2–10V)
Power Supply Output24V DC, max. 100 mA, stabilized
CommunicationRS-485, Modbus RTU, 1200–115200 bit/s
Operating Temperature0°C to +50°C (standard), -20°C to +50°C (option)
Protection ClassIP67 (wall mounted enclosure)
Case Dimensions110 x 80 x 67 mm (mounting holes: 90 x 60 mm)

Applications For The SRP-N118 Wall Mounted Process Meter

The SRP-N118 Process Meter is ideal for precise signal measurement and monitoring in harsh industrial and outdoor environments. Its IP67 enclosure, versatile input compatibility, and advanced features make it suitable for both standalone and integrated systems.

Suitable applications include:

  • Process monitoring in chemical, pharmaceutical, and food industries
  • Outdoor and washdown installations requiring IP67 protection
  • Current and voltage signal measurement in automation systems
  • Weighing, batching, and dosing systems requiring high-resolution readouts
  • Pump control and alternating relay applications
  • Integration into SCADA and process control networks via Modbus RTU
  • Powering and monitoring of external transducers

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