Compact Electronic Volume Corrector for Diaphragm Meters

Compact Electronic Volume Corrector for Diaphragm Type Meters

MICRO-ZDM is an advanced, high accuracy, compact electronic volume corrector specially designed to meet the emerging requirements of gas distribution utilities.

It defines a new standard for ease of use while delivering unmatched performance and flexibility.
MICRO-ZDM incorporates wide range of features which not only meets the local metering requirements, but also provides a complete solution for gas distribution utilities to achieve fast, efficient and cost effective network operation and management.

• Approved for legal metrology. EN 12405 and MID compliant.
• Software compliant to Welmec 7.
• Certified for use in hazardous locations.
• AGA 8, NX19, GERG, ISO 6976 and AGA 5 energy calculations.
• Suitable for diaphragm type meters, compact and protected design.
• Very high accuracy pressure and temperature sensors.
• Triple sensors for pulse verification and tamper detection.
• Provides information for identifying meter sizing and high peak value issues within network.
• Up to 4 simultaneous TCP connections via GPRS interface.
• Remote monitoring, configuration, diagnostics and firmware update.
• Flexible, user-configurable data logging feature.
• Built-in optical communication interface.
• Pulse output option.
• Wide graphics LCD with LED backlight.
• Easy to use configuration and programming software.

Internal Sensor

Internal, high accuracy pressure and temperature sensors.


Built-in tamper detection against external interferences. Triple sensor pulse pickup.

Nano Power

In excess of 10 years battery life. Extensive battery monitoring and diagnostics. Separate battery for GPRS interface.

Compact Design

Maintenance-free design. No exposed cables or tubes.


7/24 comprehensive technical support. Customized solutions. Total customer satisfaction.