Precision Digital PD650 User Manual
Precision Digital Relay
PRECISION DIGITAL CORPORATION
89 October Hill Road • Holliston MA 01746 USA
Tel (800) 343-1001 • Fax (508) 655-8990
www.predig.com
PD650 Large Display Process Meter With
Rate/Totalizer/Batch Control Features
Instruction Manual
• Easy Single Button Scaling (SBS)
• 4-20 mA, 1-5 V, 0-5 V, or 0-10 V Field Selectable Inputs
• Large 2.3" (57.3 mm) High LEDs
• Full Six Digit Display for Total, 4½ Digit + Extra Zero for Process/Rate
• Total Displayed in any Engineering Unit
• Display in Engineering Units; Rate per Second, Minute, Hour, or Day
• Scale Without a Calibrator
• 11-Point Calibration for Non-Linear Inputs
• Automatic Square Root and Programmable Exponent
• Low-Flow Cutoff
• NEMA 4X Die-Cast Aluminum Enclosure
• Two 24 VDC Isolated Power Supplies
• 115 or 230 VAC Power, Field Selectable; 24 VDC Optional
• Quick Preset Change Feature for Batch Control
• Pump Alternation Control Feature
• 2 or 4 Relays + 4-20 mA Output Options