P304c Melt Pressure Indicator / Controller. Eurotherm Piccolo P304c PID melt pressure controller ; indicator is the ideal solution to plastic processing thanks to the comprehensive range of hardware options. The P304c provides a cost-effective package for a wide variety of pressure sensors. Custom, dual line 5 digit display accompanied by a horizontal bar graph gives complete process visibility. 1/4 DIN mounting Precision PID control with responsive overshoot inhibit 50ms sample rate for fast-acting control Alarm functionality Supports Modbus RTU communication Easy ; effective auto-tune Comprehensive configuration via iTools PC software, with parametering monitoring ; datalogging facility Tri-Colour LED display for high visibility