GB/T 2904-1982
Replaced
T/QGCML 2930-2024
Active
Group standards
T/QGCML 2930-2024 5G-NB IoT ultrasonic thermal energy meter
T/QGCML 2930-2024 5G-NB IoT ultrasonic thermal energy meter
Price:
$ 20.00
Basic Information
Standard Code:
T/QGCML 2930-2024
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Temperature measurement instruments and meters
Publish Date:
2024-01-05
Implement Date:
2024-01-20
Scope
Main technical content: This document specifies the term definitions, requirements, test methods, inspection rules, marking, packaging, transportation, and storage for ultrasonic thermal energy meters based on 5G narrowband Internet of Things. This document is applicable to the design, production, and inspection of ultrasonic thermal energy meters based on 5G narrowband Internet of Things.
Development Information
Related Standards
GB/T 514-1983
Replaced
GB/T 514-1983 Liquid in glass thermometers for petroleum products—Specification
GB/T 13794-1992
Replaced
GB/T 13794-1992 Pyrometric reference cones for laboratory use
GB/T 4989-1994
Replaced
GB/T 4989-1994 Extension and compensating cables for thermocouples
GB/T 4990-1995
Replaced
GB/T 4990-1995 Alloy wires of extension and compensating cables for thermocouples
GB/T 16701.1-1996
Replaced