JJF 1857-2020 Active National Metrology Technical Specifications JJF

JJF 1857-2020 Calibration Specification for Energy Efficiency Testing Apparatus of Room Air Conditioners Using Balanced Ambient Room-type Calorimeter Method

Publish Date: 2020-09-11 Implement Date: 2021-03-11 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJF 1857-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2020-09-11

Implement Date: 2021-03-11

Pages: 32 pages

Scope

This standard specifies the metrological characteristics, calibration conditions, calibration items and methods, and calibration results of the energy efficiency measurement devices for air conditioners using the balanced environmental room calorimeter method (hereinafter referred to as "energy efficiency measurement devices"). The calibration-type room calorimeter energy efficiency measurement devices, the room calorimeter energy efficiency measurement devices with explosion-proof functions, or other energy efficiency measurement devices with the same measurement principle are also applicable to this standard.

Development Information

Word Count: 42 Thousand words Pages: 32 pages

Referenced Standards

JJG 539-2016 Digital Indicating Weighing Instruments JJG 780-1992 AC Digital Powermeter JJG 882-2019 Pressure Transmitters JJF 1262-2010 Calibration Specification for Sheathed Thermocouples JJF 1366-2012 Calibration Specification of Temperature Data Acquisition Instruments JJF 1472-2014 Calibration Specification for Process Calibrators JJF 1491-2014 Calibration Specification for Digital AC Electrical Parameters Meter ISO 5151:2017 ISO 5801:2017 JJG 313-2010 Instrument Current Transformers JJG 693-2011 Alarmer Detectors of Combustible Gas JJG 1033-2007 Electromagnetic Flowmeters JJG 1038-2008 Goriolis Mass Flow Meters JJF 1599-2016 Calibration Specification for Total Cooling Capacity of Standard Room Air Conditioners GB/T 7725-1996 Room air conditioners GB/T 7725-2004 Room air conditioners GB/T 7725-2022 Room air conditioner JJG 693-2004 Verification Regulation of the Alarmer Detectors of Combustible Gas JJG 313-1994 Verification Regulation of Current Transformers of Measuring Service

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