This standard specifies the main types, basic parameters, technical requirements, test methods, inspection rules, markings, packaging and storage of force balance transmitters. This standard applies to DDZ-Ⅱ series electric unit combination instrument DBC type force balance differential pressure transmitter. DDZ-Ⅱ series electric unit combination instrument force balanced flange differential pressure transmitter, float type liquid level transmitter, target flow transmitter, inner orifice plate flow transmitter and concentration transmitter should also be used Refer to use. Transmitters used under special working conditions should also meet relevant standard requirements.
JB/T 8216.4-1999 history
1999JB/T 8216.4-1999 DDZ-Ⅱ series process electronic control system.Force balance differential pressure transmitter