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Micro Motion GDM Gas Density Meter, Ni-Span C And 316L Stainless Steel
A Ni-Span C, 316L Stainless Steel, fiscal Gas Density Meter designed for high accuracy, gas density and concentration measurement.
Micro Motion GDM Gas Density Meter, Ni-Span C And 316L Stainless Steel


Density range
1-400 kg/m3(0.001-0.4 g/cm3)
Argon: ±0.1% of reading
Nitrogen: ±0.1% of reading
Natural gas, ethylene: ±0.15% of reading
Maximum operating pressure
200 bar (2900 psi)
Temperature range
Standard model:–20 °C to +85 °C (–4 °F to +185°F)
High-temperature model:–20 °C to +125 °C (–4 °F to +257 °F)
Interior liner:AMS 5643K
Sensor housing:316L stainless steel
Local display (optional)
Segmented two-line LCD screen
Can be rotated on transmitter, in 90-degree increments,for ease of viewing
Suitable for hazardous area operation
Optical switch controls for hazardous area configuration and display
Glass lens
Three-color LED indicates meter and alert status
Display functions
View process variables
View and acknowledge alerts
Configure mA and RS-485 outputs
Supports Known Density Verification (KDV)
Supports multiple languages
Transmitter output channels
Available output channels (depending on the Electronics Interface option):
One or two externally powered (passive) 4–20 mA outputs
Channel A is 4–20 mA + HART
Channel B is 4–20 mA
One externally powered (passive) Time Period Signal (TPS) output
One externally powered (passive) Discrete output
One Modbus/RS-485 output
Meter approvals, calibrations, and certifications
Agencies & types of approval available:


  • Rely on fast-response, direct gas density measurement that is compliant with AGA 3 and ISO 5167
  • Expand usage with a hazardous area-approved, head-mounted transmitter that supports local configuration and display
  • Quickly verify meter health and status using advanced internal diagnostics
  • Support multiple simultaneous protocols for connection to DCS, PLC and flow computers
  • Interact with our detailed schematic tool to learn more about our Dedicated Density and Viscosity Meters