Final Control Element Converters

760 Electropneumatic Converters are used to operate final control elements such as pneumatic control valves as per a control signal from electronic controllers/systems.

• 4-20 mA DC input signals

• 3-15 psi or 0.2-1.0 kg/cm² output

• 1/4"NPT(F) pneumatic connections

• 770 option converts temp. (RTD or thermocouple) inputs to 3-15 psi O/P

755 Electronic Thyristor Controllers are used to control electrical heater loads with 4-20mA or pulse inputs from PID controllers/systems.

• Single phase and 3 phase versions

• Resistive (direct heaters) and inductive (transformer primary) side load control

• Phase angle and on-off cycle versions

• Over current, dl/dT & dV/dt protections

• Installed base from 5A to 2600A loads

Manual Loaders & Positioners

Manual Loaders & Positioners are used to interface final control element with electronic control systems (PLC/DCS)

Tempra-AM Auto-Manual Loader

• Input & output 4-20mA, 1-5V etc.

• Auto & manual modes

Tempra-VP Electric Valve Positioner

• Input 4-20 mA, 1-5V from controllers

• Up-Down relays to operate actuators

• 0-135 ohm etc. valve position feedback

LTRON-AML Auto-Manual Loader

• Microprocessor-based

• Control & feedback inputs 2X4-20 mA

• Output 4-20 mA or Up-Down relays

• 2 digital displays for Input/Feedback

Electrical Parameter Transducers

ELTRAN-series Transducers
Provide 2KV isolated 4-20 mA or 1-5V etc. DC signals for AC parameters such as Current, Voltage, Power, etc.

ELTRAN-VTI Voltage X'ducers

• 0-1/0-5/0-10 A inputs direct/via CTs

• Aux PS 240/110 etc. (applies to all)

ELTRAN-CTI Current X'ducers
0-150/0-300/0-450V AC inputs direct

ELTRAN-PTW Power X/ducers

• 1/5A CT & 110/240/415V PT inputs

• Specify CT/PT ratio for calibration

• Single & three phase type

ELTRAN-PTV Reactive X'ducers
1/5A CT & 110/240/415V PT inputs

ELTRAN-FTI Frequency X'ducers
45-55 Hz / 45-65 Hz ranges

ELTRAN-PTF PF Transducers

• 1/5A CT & 110/240/415V PT inputs

• 4-20 mA O/P prop. to phase angle ø

Signal Isolators / Distributors

ELTRAN-DTI Isolators/Repeaters

• Inputs & outputs 4-20mA, 1-5V etc.

• Up to 4 isolated repeater outputs

• 2KV Isolation between IP/OP/PS

• 110V/240V or 24VDC powered

• Separate zero/span pots for all O/Ps

• Option DC Shunt I/Ps 0-75mV etc.

ELTRAN-DCI Isolators

• Input (-) 550 to + 550Vdc (steps)

• Output 420mA or 0 to +/- 10Vdc

• 24V DC Power & 2KV isolation