EE Product News

Sensor/Switch Monitors Fluid Temperatures

Measuring fluid temperatures from -40°F to 257°F, Type 8400 sensor/switch can be set locally using three pushbuttons or remotely from a PLC/computer over a 4 to 20 mA loop or FieldBus or ASI-Bus. Output choices include a transistor output, 5 to 30 Vdc, 700 mA, or relay output of 250 Vac at 3A or 30 Vdc at 3A. The device can be used to control the temperature of process fluids within a narrow band of temperatures and to monitor min./max. temperature levels in a running process. The sensor is a low cost solution for simple on/off temperature control. And the switches can be used to build Easy Link on/off control systems using just the sensor/switch and standard solenoid control valves. The LCD indicates the actual process value in real time both digitally and simultaneously as an analog bar graph for quick reference. Standard features include a Teach-In function and Test Simulation function that allows set-up without actually operating the flow system. These features reduce the cost and time of installing and calibrating the system. Connection is done with a standard G 1/2 (NPT 1/2, RC 1/2) threaded fitting, and wetted parts can be stainless steel, EPDM or FPM. The supply voltage is 12 to 30 Vdc.

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