The West N6500 Single Loop Temperature Controller is a competitively priced, entry level controller which features a simplified operator interface and automatic self-tuning on process start-up. The N6500 series controller has excellent display characteristics featuring a large 3 digit display for high visibility and clear Go/No-go “on control” indication. It features an easy tune (PID) or on/off feature, alarm lock, setpoint lock, optional process alarm, and on-control indicator.