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Helium purity monitor | HPM-02


This Helium Purity Monitor uses a pirani gauge. This unit can measure helium gas purity by less than 1% error. It displays a purity of helium gas, and a temperature of outer wall sensor. A purity of helium gas is outputted as Analog signal (0 ∼ 1V).

It is possible to read the data from the outside via LAN.

From firmware version V1.10, E-mail transmission function is equipped. It can be notified by E-mail if helium purity is lower than the required purity.




Related Software


Power Supply AC100 ∼ 240V/50, 60Hz (AC adapter is attached)
Measurement Accuracy less than ±1% (in purity range 50 ∼ 100%)
Display Unit LCD 12digit × 2lines
Communication LAN
Sensor Suppy Voltage 15V, Current 200mA
Analog Output LEMO (EPL00250NTN)
Power Consumption 6W
Size W150mm×D125mm×H50mm
Weight 370g


Main Unit

HPM-02 ¥125,000 (JPY, without Tax)


AC adapter, Sensor and Sensor cable

Sensor with sensor cable is an accessory of HPM-02, and it can be purchased separately from HPM-02 main unit.

Sensor and Sensor cable ¥25,000 (JPY, without Tax)