The Metravi M-05S mV/mA Loop Calibrator is a precision instrument designed for testing, calibrating, and troubleshooting current loops and mV signals in industrial automation and process control environments. It is an essential tool for technicians, engineers, and maintenance professionals working with 4-20 mA current loops, mV signals, and related instrumentation. This device is particularly useful in the calibration of transmitters, indicators, controllers, and other equipment used in process control systems.

Key Specifications:

• Model: M-05S
• Brand: Metravi
• Measurement Type: mV and mA Loop Calibrator
• Display: High-resolution digital LCD with backlight for clear and easy reading of measurements and output values.

Calibration Capabilities:

• Current Output and Measurement:
  • Range: 0 to 24 mA (sourcing, simulating, or measuring)
  • Resolution: 0.001 mA for precise adjustment and measurement.
  • Accuracy: Typically ±0.02% of reading 1 digit, providing highly accurate current simulation and measurements.
• Voltage Output and Measurement:
  • Range: -10 mV to 100 mV
  • Resolution: 0.01 mV, offering precise voltage output for testing and calibration.
  • Accuracy: Typically ±0.02% of reading 1 digit, ensuring reliable results when working with mV signals.
• Loop Power Supply:
  • Output: 24V DC, allowing the calibrator to power a current loop directly during testing.

Features:

• mA and mV Simulation and Measurement:
  • Versatile Functionality: Capable of sourcing, simulating, and measuring both mA and mV signals, making it suitable for calibrating a wide range of instrumentation.
  • Simulates 4-20 mA Signals: Allows users to simulate 4-20 mA signals for testing process control devices like transmitters and controllers.
• Loop Power Supply:
  • Integrated 24V DC Output: Provides loop power for testing and calibrating 2-wire transmitters, eliminating the need for an external power source.
• Digital Display:
  • Clear Backlit LCD: Large and backlit display ensures visibility of readings in various lighting conditions, making it ideal for fieldwork.
• Step and Ramp Function:
  • Step Mode: Allows the user to simulate a step change in current or voltage, making it easier to test devices that respond to incremental changes.
  • Ramp Mode: Gradually varies the current or voltage output for smooth testing of devices' response over a range.
• Data Hold Function:
  • Freeze Readings: Allows users to hold the current reading on the display, making it easier to record and observe measurements.
• Compact and Portable Design:
  • Lightweight and Ergonomic: Designed for easy handling and portability, making it suitable for on-site testing and calibration.

Power Source:

• Battery Operated: Uses standard batteries for portability and field use.
• Battery Type: Typically powered by 1 x 9V battery.
• Low Battery Indicator: Alerts users when battery power is low, ensuring uninterrupted operation during critical calibration tasks.

Safety and Compliance:

• Safety Rating: Designed for safe use in industrial environments, with proper insulation and safety features to prevent damage or incorrect outputs.
• Certifications: Compliant with industry standards for calibration instruments, ensuring reliable and accurate performance in professional settings.

Physical and Design:

• Durable and Compact Design: Built for durability, with a robust casing that can withstand the demands of industrial environments.
• Color: Typically available in a professional-grade finish, such as blue or black.
• Warranty: One year against manufacturing defects, providing assurance of product reliability.

Applications:

The Metravi M-05S mV/mA Loop Calibrator is ideal for a wide range of applications, including:

• Calibration of Process Control Instruments: Suitable for testing and calibrating 4-20 mA transmitters, sensors, and controllers used in process automation.
• Loop Troubleshooting: Assists in identifying faults in current loops by simulating or measuring current and voltage signals directly in the field.
• Instrumentation Calibration: Verifies the accuracy of indicators, data loggers, PLCs, and other devices that receive mV or mA signals.
• Field Calibration and Maintenance: Its portability makes it ideal for on-site testing and calibration of process control systems and instruments.
• Quality Assurance: Ensures that measurement and control systems operate within specified ranges as part of quality control processes in industrial settings.

The Metravi M-05S offers precise and versatile calibration capabilities, making it an essential tool for professionals working with industrial process control systems. Its ability to source, measure, and simulate mA and mV signals, combined with user-friendly features and a rugged design, ensures accurate and efficient calibration and troubleshooting in the field or laboratory.