Din Rail Transmitter With Dual Solid State Relays, Isolated 4-20 Ma And Rs232/Rs485 Outputs, Basic Main Board For Pulse Input, Low Voltage 12-30 Vac Or 10-48 Vdc Power, Dual Pulse Inputs For Frequency, Rate, Rotal, Or Timing. Rohs Compliant: Yes |Laurel Electronics LT61FR