Japan, NAGANO KEIKI
NAGANO KEIKI DG85 Differential Pressure Gauges

Made in Japan
Manufacturer: NAGANO KEIKI
Model: DG85Differential Pressure Gauges
This differential pressure gauge is designed for detecting air filter pressure drop used in an air-conditioning sytem to monitor extremely low pressure measurement. Application includes not only for differential pressure measurement but also for flow and low pressure measurements, etc.
Certificate: 

Features
●Incorporates diaphragm made of silicone rubber with small hysteresis characteristic.
●Higher proof pressure.
●External zero adjustable.
●For wall mounting type, high and low pressure measuring functions can be alternately switched by exchanging each side of fitting.
●Higher proof pressure.
●External zero adjustable.
●For wall mounting type, high and low pressure measuring functions can be alternately switched by exchanging each side of fitting.