The Additel ADT 912A pneumatic pressure calibration test pump is a hand operated pressure pump designed to generate pressures from -14 psig (-0.95 bar) to 60 psig (+4 bar). A high-quality screw press is designed for fine pressure adjustment, with an adjustment resolution up to 0.01 Pa (0.0001 mbar/0.00004" Water). To reach the pressure as stable as possible during micro-pressure calibrations, an isothermal bellows chamber is designed for reducing the possible heat effects caused by environmental temperature change, and a specially designed shut-off valve make the pressure as stable as possible during calibration. A built-in gas-liquid isolator protects the pump from moisture and dirt to reducing the need for maintenance. Two hand-tight connectors installed on the pump allow easy connecting and disconnecting to the test pump without the need for thread tape or wrenches. The ADT912A is an ideal comparison test pump for low pressure applications on the bench or in the field.
Specifications
Features
• Portable: Only 6.2 lb
• Adjustment Resolution 0.1Pa (0.001 mbar) High-quality screw press for fine pressure adjustment
• Great Stability Isothermal chamber: the pressure chamber is insulated to reduce the influence from environmental temperature changes Specially designed bellows minimize leakage to guarantee excellent stability Shut-off valve closes the air in the isothermal chamber during calibration
• Durable and Minimal Maintenance Built-in gas-liquid isolator protects the pump from moisture and dirt
• Easy-to-use • Hand-tight Quick Connectors Allows easy connecting and disconnecting to the test pump without the need for PTFE tape or wrenches
Technical Specifications
Media: Air. Generated Pressure Range 95% vacuum to 60 psi (4bar) positive pressure Adjustment Resolution 0.1 Pa (0.001 mbar). Material: Ram/adapters: SS Body: SS/aluminum Seals: Buna-N
Connection Hand-tight connectors for both test gauge and reference gauge. Test Gauge connection: 1/4NPT female, 1/4BSP female, or M20X1.5 female Reference Gauge Connection: 1/4NPT female, 1/4BSP female, or M20X1.5 female
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