Hello, we will mark the product's new and old status on the product title. We have focused on various PLC/CNC products for more than 10 years. Dear friends. Hope to understand. Best wishes. I hope everyone can understand each other.
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1 x Portable Micro-Pressure Pump. Connect the device under test (DUT) to the DUT output port and the reference standard gauge to the standard gauge output port. Thread Size: M20 1.5mm. Pressure Range: -90 to 600kPa.
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The portable manual air pressure source is made of high-grade alloy and processed by special technology. It has the characteristics of beautiful appearance, small size, light weight, built-in pipeline, good sealing performance, stable boost, simple operation and convenient maintenance.
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eBay
Pressure range: -0.095~6MPa. When releasing pressure, first open the pressure relief valve and then open the shut-off valve. Rotate and pull out the switching valve knob, open the shut-off valve, adjust the pressure and pressure in a clockwise direction, close the pressure relief valve, and use a hand pump to pump pressure to the desired vacuum value.
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=====================================================. For more info you can search in internet.
eBay
eBay
Druck DPI 312 Pressure Gauge Calibrator, have powered unit on , works to that point. I would say required servicing and calibrating . Comes in transit case.
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