The Metravi 05 mV/mA Loop Calibrator is a versatile and precise instrument designed for testing and calibrating current loops, voltage, and other process control instruments. It is particularly suitable for applications involving 4-20 mA current loops, making it ideal for use by technicians and engineers in process industries such as manufacturing, chemical, power generation, and HVAC systems. With its ability to source, simulate, and measure current and voltage, the Metravi 05 ensures accurate control and maintenance of process loops.

Key Specifications:

• Model: 05
• Brand: Metravi
• Measurement and Output Functions:
  • Current Measurement: 0-24 mA, suitable for verifying and calibrating loop currents.
  • Current Sourcing/Simulation: 0-24 mA, allowing for testing of devices that operate within a 4-20 mA range.
  • Voltage Measurement: 0-100 mV and up to higher ranges, depending on application needs.
  • Voltage Sourcing: Capable of providing precise voltage output for loop testing.

Measurement Capabilities:

• mA Measurement Range:
  • Range: 0-24 mA (both for measurement and simulation).
  • Resolution: 0.001 mA, ensuring precise adjustments and measurements in current loops.
  • Accuracy: Typically ±0.02% of reading 2 digits, providing high accuracy for critical calibrations.
• mV Measurement Range:
  • Range: 0-100 mV or higher.
  • Resolution: 0.01 mV for fine measurements.
  • Accuracy: Typically ±0.025% of reading 2 digits, ensuring precise voltage calibration.

Features:

• Current Source and Sink: Can both source and simulate loop currents, allowing users to test transmitters, control valves, and other 4-20 mA devices.
• Loop Power Supply: Provides a 24V loop power source, enabling testing of loop-powered transmitters without the need for an external power supply.
• Data Hold Function: Allows the user to freeze displayed readings for easier observation and recording.
• Ramp and Step Functions: Includes automatic ramping and step output functions, making it easier to perform dynamic testing and calibration of control systems.
• Span Check: Quick span checks for verifying 0% and 100% values, simplifying the calibration process.
• Backlit Display: Clear, backlit LCD for easy reading of measurements in various lighting conditions.
• Compact and Lightweight: Designed for portability and ease of use in field and laboratory settings.

Power Source:

• Battery Operated: Uses standard batteries for convenience in field use.
• Battery Type: Typically powered by a 9V battery.
• Low Battery Indication: Alerts users when the battery power is running low, ensuring uninterrupted operation.

Safety and Compliance:

• Safety Rating: CAT III 300V, providing a high level of safety for working in industrial environments.
• Double Insulation: Offers added protection against electrical shocks during calibration work.
• Certifications: Conforms to relevant standards for calibration tools, ensuring reliable and accurate performance.

Physical and Design:

• Ergonomic and Portable: Compact design with a rugged build, making it easy to carry and handle during on-site testing and calibration.
• Color: Typically available in a durable, professional-grade finish.
• Warranty: One year against manufacturing defects.

Applications:

The Metravi 05 mV/mA Loop Calibrator is suitable for:

• 4-20 mA Loop Testing: Verifies and calibrates process control loops in industrial settings.
• Control System Maintenance: Ensures accurate output from transmitters, control valves, and other instrumentation.
• Field Calibration: Portable design makes it ideal for use on-site, allowing quick calibration and verification of devices.
• Process Control Equipment Testing: Simulates and measures currents to test and troubleshoot control systems, ensuring optimal performance.