NB/T 10541-2021Flow transducer for mine (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the terms and definitions, product models and classifications, technical requirements, test methods, inspection rules and standards of mine flow sensors. registration, packaging, transportation and storage.

This standard is applicable to the measurement of liquids or liquids in closed pipelines in mines such as underground coal mines, open pit coal mines, coal preparation plants, and non-coal mines.

Mine flow sensor for gas flow (hereinafter referred to as sensor).

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 191 Graphical signs of packaging, storage and transportation

GB/T 1047 Definition and Selection of Nominal Dimensions of Piping Components

GB/T 1048 Definition and Selection of Nominal Pressure of Pipeline Components

GB/T 2423.1-2008 Environmental Testing of Electrical and Electronic Products Part 2: Test Methods Test A. Low Temperature

GB/T 2423.2-2008 Environmental testing of electrical and electronic products - Part 2: Test method Test B. High temperature

GB/T 2423.4-2008 Environmental testing of electrical and electronic products - Part 2: Test method Test Db. Alternating damp heat (12h 12h cycle)

GB/T 2423.5-2019 Environmental Testing Part 2: Test Methods Test Ea and Guidelines. Shock

GB/T 2423.10-2019 Environmental Testing Part 2: Test Methods Test Fc. Vibration (Sinusoidal)

GB/T 2829-2002 Periodic Inspection Counting Sampling Procedure and Table (Applicable to Inspection of Process Stability)

GB 3836.1 Explosive Atmospheres Part 1: General Requirements for Equipment

GB 3836.2 Explosive Atmospheres Part 2: Equipment protected by flameproof enclosure "d"

GB 3836.3 Explosive Atmospheres Part 3: Equipment Protected by Increased Safety "e"

GB 3836.4 Explosive Atmospheres Part 4: Equipment protected by intrinsically safe "i"

GB/T 4208 enclosure protection class (IP code)

GB/T 9969 General Principles of Instruction Manual for Industrial Products

GB/T 10111 Generation of random numbers and its application in product quality sampling inspection

GB/T 12173 General electrical equipment for mining

GB/T 17626.2 Electromagnetic Compatibility Test and Measurement Technology Electrostatic Discharge Immunity Test

GB/T 17626.3 Electromagnetic Compatibility Test and Measurement Technology Radio Frequency Electromagnetic Field Radiation Immunity Test

GB/T 17626.4 Electromagnetic Compatibility Test and Measurement Technology Electrical Fast Transient Burst Immunity Test

GB/T 17626.5 Electromagnetic Compatibility Test and Measurement Technology Surge (Shock) Immunity Test

AQ1043 Mining Product Safety Signs

MT/T 210-1990 Basic test methods for electrical and electronic products for coal mine communication, detection and control

MT/T 772-1998 Main performance test method of coal mine monitoring system

MT/T 899 Information Transmission Device for Coal Mine