MT/T 721-1997
Thermal Conductivity High Concentration Methane Sensor for Gas Drainage (English Version)

Standard No.

MT/T 721-1997

Language

Chinese, Available in English version

Release Date

1997

Published By

Professional Standard - Coal

Status

Be replaced 2006-12

Replace By

AQ 6204-2006

Latest

AQ 6204-2006

Scope

This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of thermal conductivity high-concentration methane sensors for gas drainage. This standard applies to sensors that use the principle of thermal conductivity to measure high concentrations of methane in gas drainage pipelines (hereinafter referred to as sensors).

MT/T 721-1997 history

• 2006 AQ 6204-2006 Thermal-conduction high concentration methane transducer for gas drainage
• 1997 MT/T 721-1997 Thermal Conductivity High Concentration Methane Sensor for Gas Drainage

MT/T 721-1997 Thermal Conductivity High Concentration Methane Sensor for Gas Drainage was changed to AQ 6204-2006 Thermal-conduction high concentration methane transducer for gas drainage.