JSR DPR300 Operator Manual - INSIDIX, Non-Destructive Testing

6.1.4 PRF ControlA rotary switch that selects the frequency at which the pulser fires when internal trigger operation isselected. The PRF values range from 100 Hz to 5 kHz.6.1.5 Int / Ext SwitchA toggle switch that selects between internal trigger (PRF) and external trigger sources for thepulser.6.1.6 Echo / Through SwitchA toggle switch that connects the receiver input to the T/R BNC connector or Through BNCconnector for Pulse/Echo or Through mode operation respectively.6.1.7 Rel. Gain ControlsThese controls are a pair of rotary switches that set the receiver gain. The receiver gain will be thevalue indicated by the switches minus 13 dB.6.1.8 HP Filter ControlThis control is a rotary switch that sets the receiver high-pass filter to the value indicated.6.1.9 LP Filter ControlThis control is a rotary switch that sets the receiver low-pass filter to the value indicated.6.1.10 Pulse Amplitude ControlThis control is a rotary switch that sets the amplitude of the excitation pulse generated by the pulser.The amplitude is adjustable between 100V and 475V or 100V and 900V depending on the pulseroption installed.6.1.11 Pulse Energy and Pulser Impedance ControlThis control is a rotary switch that sets the energy of the excitation pulse generated by the pulser, andthe pulser impedance. This switch combines the pulser energy and pulser impedance functions. TheHigh Z impedance range provides for better transducer damping while the Low Z impedance rangeprovides for better signal strength.6.1.12 Damping ControlThis control is a rotary switch that adjusts the damping applied to the transducer.Imaginant Inc. DPR300 Ultrasonic Pulser/Receiver 12