... , isolated safty barrier, RH321ICP signal isolator and
safety barrierInput, output and power supply is isolated from each ... other, RH321ICP signal isolator and
safety barrier are used to transform each kind of signal input ... label is [Exia] II CStrong
anti-jamming capability, characterized by good explosion proof,
safety and securityConformity
with GB3836.1/4-2000