Use a low-cost single loop 4-20mA isolator to create a second loop.
Products referenced: JH4300C, JH4305, JH5040, JH5050
Marrying a field-upgrade 4/20mA sensor to an old, nonstandard voltage-input “legacy” system.
Products referenced: JH4300, JH5000
“Loop Powered Output” (current sinking) option allows a powered transmitter’s output to look like a 2-wire transmitter.
Products referenced: Most JH Technology AC- or DC-powered transmitters.
Using intrinsic safety barriers to provide safe manual control (potentiometer) in a potentially-explosive area.
Products referenced: JH4003I, JH5800
A conveniently-located 4-20mA isolator put the zero and span adjustments within easy reach.
Products referenced: JH4300C, JH4305
In an oscillating system, an AC input transmitter converts instantaneous position measurement to a DC signal representing peak-to-peak amplitude.
Products referenced: JH5600, JH6010I
Putting the cold-junction sensor in the connection terminal virtually eliminates compensation errors.
Products referenced: All JH Technology thermocouple transmitters and alarms
When properly set up, one relay announces overtemperature while the other warns of thermocouple failure.
Subtract two voltage signals using a low-cost isolator.
Products referenced: JH4300, JH5000, FT/FDT5000
Expanded-scale potentiometer transmitter converts throttle position to control voltage in a ship upgrade.
Product referenced: JH4003I
A small system of JH Technology modules converts volume flow rate from a turbine meter to mass flow, compensated for pressure and temperature variations.
Products referenced: JH7580, JH4300, JH9046 and two specials.
What is True RMS and when do I need it?
Products referenced: JH5610, JH6010IR, JH6020IR
True RMS: AC or DC response? It depends!