SGM7001 Datasheet, PDF (1/9 Pages) List of Unclassifed Manufacturers – Pressure independent & temperature compensated

Datasheet – SGM7001, SGM7002, SGM7004, SGM7006
Sensirion CMOSens^® G1.6, G2.5, G4 and G6 Gas Flow Meter Modules
 Pressure independent & temperature compensated
 Automatic compensation for gas quality
 Accuracy ±1.5% – 3% m.v.
 Evaluation certification: EN 14236 and OIML R 137
 Long-term reliability
 Low power consumption
 Zero offset, no drift
Product Summary
The SGM70xx sensors are Sensirion’s digital gas flow
meter modules designed for residential natural gas smart
metering applications. They measure the standard
volume flow of natural gas independent of
temperature and pressure.
The SGM70xx sensor modules have achieved an
Evaluation Certification in accordance with the harmonized
standards EN 14236 and OIML R137 for natural gas, type
H and L, issued by NMi. This Evaluation Certificate can be
used as a basis to make it easier and faster for gas meter
manufacturers to gain MID approval for gas meters using
SGM70xx as core metrological unit.
The patented design of the flow channel and the patented
pulsed measurement scheme ensure robust and reliable
flow measurements under demanding working
conditions and under low power consumption.
Applications
 Residential Smart Gas Metering
The sensor chip
The SGM70xx gas flow meter modules feature Sensirion’s
state-of-the-art CMOSens® flow chip. CMOSens® flow
chips are qualified and produced by Sensirion to stringent
automotive and medical standards.
The CMOSens® chip not only contains a thermal mass
flow sensor element, but also the amplifier, A/D converter,
calibration memory, digital signal processing circuitry, and
interface. Due to seamless integration of signal acquisition
The automatic gas quality compensation mechanism
assures accurate measurements even with varying
natural gas composition.
The standard volume flow (“mass flow”) output and I²C
digital interface make this sensor highly suitable for smart
gas metering applications.
The outstanding performance of these sensors is based
on Sensirion’s patented CMOSens^® Technology, which
combines the sensor element, signal processing and
digital calibration on a single microchip.
The well-proven CMOSens® Technology, with several
hundred thousand gas flow meter modules in the field, is
perfectly suited for high-quality mass production and is an
ideal choice for high-volume residential smart gas
metering applications.
and processing on the single silicon die, significant
performance, reliability and cost benefits are achieved.
SGM70xx integration into a gas meter
Sensirion provides the SGM70xx module only. It is the
responsibility of the customer to:
 Design and build the gas meter housing
 Ensure correct mounting of SGM70xx module in
the gas meter housing
 Implement communication between SGM70xx
module and gas meter electronics
 Fine-tune calibration of the gas meter in air only
www.sensirion.com
Version 1.2 – July 2016
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