Model 51: Specifications Sheet

Electronics H64F2144 microprocessor Software stored in FLASH-based upgradeable format Data stored in non-volatile memory Voltage protected circuits Real-time clock for date & time Increased resolution Keyboard Oil & dirt resistant surface 13 large, snap-action buttons Non-glare, sealed top surface Inputs Power-in jack 5 instrument-type connectors All cables coded - mistake proof Multiple voltage inputs Burner motor or main gas valve Power-venter proving Hot surface igniter Cad cell circuit voltage Pressure/vacuum inputs Oil pump pressure & vacuum Gas inlet & outlet pressures Stack temperature Motor / hot surface igniter amperage

Software Proven proprietary software Detects lockout & freezes data No confusing symbols Displays current data real time Displays data in units: -Volts -PSI or inches/WC (pressure) -Inches/Hg (vacuum) -Degrees F -Amps Display 40 character x 4 line Bright yellow, backlighted Uses English. No symbols Outputs Display Printer/Aux port Direct to printer Download to PC Remote output to activate optional telephone dialer upon lockout (Some optional equipment listed) Patented in USA & Canada Specifications subject to change FCC Part 15 Class B Verification