The differential pressure between the high pressure side and the low pressure side is received by the diaphragm of the indicator, and the movement is mechanically swung by the internal cam mechanism to indicate the differential pressure. An alarm can be output by the contact with a micro switch, and it can be used for detecting clogging of equipment.
- DPG-7000 (without contacts, standard type)
- DPG-7000S (with 1 contact)
- DPG-7000S2 (with 2 contacts)