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Gas Meters by NMTTM

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Delta Compact-2M Rotary Gas Meter

Delta Compact 2M rotary gas meterThe Delta Compact - 2M Rotary gas meter combines accuracy, durability, metrological stability and mounting versatility in one field-proven measurement instrument. The Delta Compact rotary meter is designed to measure natural gas with very high accuracy under low or irregular flow conditions. The Delta Compact’s volumetric measurement principle allows it to be used in compact station designs without the need for straightening vanes or a long inlet piping run. Delta’s metrological stability has been proven through decades of gas measurement.

Itron’s Delta Compact Rotary meter is a positive displacement style gas meter which employs counter-rotating rotors that drive a magnetically-coupled mechanical index. Its compact size and robust structure make it an ideal fit for many gas measurement applications.

ACCURACY - The Delta Compact has a starting flow of ~0.9 CFH (.025 m3/hr). It reaches ~ -10% accuracy at about 2.1 CFH (0.060 m3/hr).




Weather and tamper proof index housing

Tool-free index orientation

Magnetic index coupling

Double low frequency pulse output

Optional high frequency pulse output

Anodized aluminum for corrosion resistance

Multi-position flow orientation capable

Threaded (1½" NPT) or flanged (2" ANSI) versions

 9 digit odometer style

45° orientation

Free rotating

Reflecting disc on first drum

Integrated optical disc for proving

Double low frequency pulser output

IP67 rating

UV resistant

Unit of measure: ft3 or m3


The Delta Compact meter is equipped with two Low Frequency (LF) pulse outputs, standard. Optionally, a High Frequency pulse output is also available.

The LF transmitter consists of 2 dry reed switches, normally open, and actuated by a magnet located in the first odometer drum on the index register.

Volume per pulse contact: ft3 index; 1 ft3/pulse : m3 index; 0.01 m3/pulse

Hermitically sealed contacts

Minimum pulse contact time - ft3 index; 0.22 seconds : m3 index; 0.40 seconds

No polarity

Maximum voltage; 30 volts

The HF transmitter is an inductive sensor actuated by a toothed disc. The frequency is proportional to the instantaneous flow.

 Pulses per unit volume: ft3; 45.833 pulses/ft3 : m3; 4678.16 pulses/m3

Frequency at maximum flow rate: ft3; 25.46 Hz : m3; 73.60 Hz

Has polarity, indicated on register label

NG4 Gas Meter

The NG4 Gas Meter is now approved for use in California under the California Type Evaluation Program (CTEP) and approved for use in the State of Massachusetts.

The NG4 is the ONLY gas meter approved by National Conference of Weights and Measures (NTEP) and NIST Handbook 44. 

·California Approved (CTEP) NG4_CTEP_Approval.pdf
State of Massachusetts Approved
National Approved (NTEP) NG4_NTEP_Approval.pdf
Pulse Output
·Aluminum Body
·Sealed Body


Gallus 2000 Gas Meter

Itron Metris 250

Itron Model 400A Commercial Meter

·Compact Size
·Pulse Output

Gallus 2000 PDF

·Outdoor use
·Pulse Output
·Temp Compensation

Metris PDF

·Outdoor use
·Pulse Output
·Temp Compensation

400A PDF

A Series Commercial Meter

·Outdoor use
·Pulse Output
·Temp Compensation

'A' Series PDF



The Dattus is completely unique from any other gas metering device on the market. The Itron Dattus meters offer the capabilities of rotary meters without any moving parts. Unlike a Rotary or Turbine meter, the Dattus Meter does not require oil and will not lock up from pipeline debris.

Dattus III FM1/FM2/FM3 Gas Meters

Model FM1 – 2” Flange 8C to 3M capacity Model FM2 – 2” Flange or 3” Flange 2M to 11M capacity Model FM3 - 4” Flange 7M to 56M capacity
  • No Moving Parts – Static Measurement Technology
  • Field Upgradeable
  • Pulse outputs
  • Mounts in any direction
  • Fixed Factor Correction
  • Live Volume Correction
  • Modbus Communication

Dattus III FM1/FM2/FM3.PDF
Dattus III Pulse Output Overview.PDF
Dattus Installation Guide.PDF
Fluid Oscillation Technical Paper.PDF

Dattus Operational Video.wmv

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Norgas Controls, Inc.
Norgas Metering Technologies, Inc.
473 Commercial Dr.
Fairfield, OH 45014
Copyright © 2003-2014 Norgas, Inc.

Norgas™ is a division of Norgas Controls, Inc.
NMT™ is a division of Norgas Metering Technologies, Inc.

888-NORGAS-8 (888-667-4278)
Fax 513-942-0096

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