Duke Test Gauge for Backflow

E-Z 900

Automatic Computerized Calibration

• Includes: Carrying case & strap, Battery chargers, Hoses, Brass fittings, Testing Instructions
• Computerized Backflow Test Gauge - Ver. D3.2
• Tests All Backflow Assemblies
• Three gauges in one tester with continuous display of high side and low side and differential pressures.
• 0-250 psi. High side and low side in 1 psi increments. Differential pressures in tenths (0.0 psi).
• Function prompts shown in display.
• Automatic calibration (upon gauge activation).
• Accuracy ±.2 PSID.
• Null feature, differential pressures can be reset to zero and then restored to normal operation.
• Two SS transducers (pressure sensors).
• Overload Pressure: 900 psi
• Burst pressure: 3000 psi
• Temperature: 35 - 250°F
• Two valve (vent) operation, high side and low side.
• Two keypad buttons: On and Hold/Null/Manual off
• Automatic off, after 10 minutes of no activity.
• Three replaceable d size rechargeable batteries (may use alkaline batteries).
• Low battery indicator (star appears top left in display).
• Rechargeable batteries recharged by 110V or 12VDC adapters
• Water resistant design.