We specialize in process monitoring and control. Our wireless products have been implemented for a variety of applications including tank level, temperature (thermocouples), pressure, alarms, as well as standard 4-20mA transmission. Systems include long range 900MHz or low cost 2.4GHz. Power sources include 24Vdc, 120Vac, solar and battery.

Our basic wireless transceivers can replace a single 4-20mA signal with two discrete inputs/outputs. With our expansion modules each transmitter and

receiver can be expanded with multiple inputs and outputs at both the transmitter and receiver.

We also offer a broad line of wired process instruments, click on the Telmar Instruments tab above. Telmar instruments have been utilized in the process industry since the 1960s. Telmar products include R