Features:

• Includes: Carrying case & strap, Hoses, Brass fittings, Testing Instructions

• Backflow Test Gauge - Ver. D3.2

• Tests All Backflow Assemblies

• 3 gauges in 1 tester with continuous display of high side and low side & 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).

• Proof Pressure: 500 psi

• Burst pressure: 1250 psi

• Operating Pressure: 0 to 250 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).

• Water resistant design.

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Duke Differential Pressure Tester - VIEW PDF:

• Duke EZ900 Backflow Test Gauge

• Duke/Barton 226 Backflow Test Gauge

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Duke EZ 900 & 226 Test Procedures - VIEW PDF:

• RP Test Procedures 2 Valve

• RP Test Procedures 3 Valve

• RP Test Procedures 5 Valve

• Double Check Test Procedures

• Double Check Valve Testing Chart

• PVB Test Procedures

• SVB Test Procedures

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We provide exclusive service for the DUKE EZ 900 Backflow Test Gauge

CALIBRATION AND REPAIRS