ADT901 Low Pressure Test Pump

Additel ADT901 Low Pressure Test PumpAir: -6psi to 6psi

Designed for low pressure application requiring accurate low pressure testing and calibration. It can be used in calibrating low pressure gauges, transmitters, or other pressure measuring instruments.

    Portable only 1.6kg
    Pressures from -6psi to 6psi (-0.4 bar to 0.4 bar)

Ordering Info
Video Demo

Only 1.6kg
Adjustment  Resolution

0.1Pa (0.001 mbar); Specially designed 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.

Durable and Minimal Maintenance

Without non-returning valve that is usually used on troublesome hand pump.

Pressure could be set and adjusted precisely and quickly through a simple turn of the handle.

Hand-tight Quick Connectors
Allows easy connecting and disconnecting to the test pump without the need for PTFE tape or wrenches.  


Generated Pressure Range
6 psi (0.4 bar) vacuum to 6 psi (0.4 bar) positive pressure.

Adjustment Resolution
0.1 Pa (0.001 mbar).

Ram/adapters: SST
Body: SST/aluminum 
Seals: Buna-N

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

Height: 145 mm
Base: 245 mm x 165 mm
Weight 1.6 kg
Warranty 1 year

 ADT901 Order Information website

Accessories Included

Description Qty
O-Ring 20 pcs
Manual 1 pc

* For when water media is not requested

Optional Accessories ADT

Model Number Description
ADT901-KIT Test Kit for ADT901 (hose barb fitting, hose etc...)
ADT901-HD Holder for ADT681 differential gauge or ADT672 differential gauge
ADT102 Adapters & fittings, 1/4NPT male to  various male and  female connectors (26pcs)
ADT103 Adapters & fittings, 1/4NPT (1/4BSP or M20X1.5) male to  various female hand tight quick connectors (10pcs)
ADT100-HTK Hose test kit, 5 feet flexible hose, 8000psi, 1/4NPT male to  1/4NPT (1/8NPT, 1/2NPT, 1/4BSP or M20X1.5) female hand  tight quick connectors
9901-901 Carrying case for one ADT901 pump and two ADT681  gauges or ADT672 calibrators

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