This standard specifies the product classification, requirements, test methods, inspection rules and markings, packaging and storage of remote transmission sulfur hexafluoride (SF) density controller. This standard applies to sulfur hexafluoride density controllers (hereinafter referred to as instruments) with the function of indicating and controlling electrical signal on-off and with the function of outputting a (4~20) mA standard current signal or RS485 digital communication interface.
JB/T 12018-2014 Referenced Document
GB 4208 Degrees of protection provided by enclosure(IP code)
GB/T 11023-1989 Test guide of SF6 gas tightness for high-voltage switchgear
GB/T 11287-2000 Electrical relays-Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment-Section one: Vibration tests (sinusoidal)