MT 644-1997
Active
T/EJCCCSE 517-2025
Active
Group standards
T/EJCCCSE 517-2025 Mining safety wireless speed sensor
T/EJCCCSE 517-2025 Mining safety wireless speed sensor
Price:
$ 20.00
Basic Information
Standard Code:
T/EJCCCSE 517-2025
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Medical electronic instruments and equipment
ICS Name:
Other mining equipment
Publish Date:
2025-07-17
Implement Date:
2025-08-16
Scope
Main technical content: This document specifies the product classification and models, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of mine-used intrinsically safe wireless speed sensors (hereinafter referred to as "sensors"). This document is applicable to mine-used intrinsically safe wireless speed sensors used for speed measurement in coal mine conveyors.
Development Information
Related Standards
MT 646-1997
Abolished
MT 646-1997 Frictional metal prop
MT 668-1997
Replaced
MT 668-1997 Technical Conditions for Flame-Retardant Steel-Mesh-Core Conveying Belt for Coal Mines
MT 669-1997
Active
MT 669-1997 Technical condition of fire-resistant steel-cable conveyor-belt in coal mining
MT/T 154.7-1997
Active
MT/T 154.7-1997 Model designation of separating equipment for coal
MT/T 660-1997
Active