Pressure Gauges[Asahi Gauge Manufacturing Co., Ltd.]
Asahi Gauge Manufacturing Co., Ltd.
3-13-10, Nishitemma, Kita-ku, Osaka 530-0047, Japan
  A Guide to Innovative,
Hallmarked Products from Asahi Gauge
  New Products
Pressure gauges for general application:
  Bourdon Tube Pressure Gauges
New Lightweight Gauge
Weather Proof Type Pressure Gauges
Super-high Pressure Gauges
Low Range Pressure Gauges
Differential Pressure Gauge
Low Range Differencial Pressure Gauges
Small-size Pressure Gauges
Oil-sealed Pressure Gauge
Pneumatic Receiver Gauges
Draft Gauges
Digital pressure gauge
Self-recording pressure gauge
Twin-scale pressure gauge
  Pressure gauges with electric contact:
  Pressure Switch Selection Guide (PDF)
Pressure Gauge with Electric Contact
Chemicals-resistant Pressure Switches
PSS-type Pressure Switch
HM-type Pressure Switch
Pressure-resistant and Explosion-proof Electric Contact Pressure Gauges and Switches
  Pressure gauges for specific application
  Inline Type CylinderSeal Pressure Gauge
Diaphragm-seal Pressure Gauges
Sanitary Pressure Gauges and Sanitary Transmitters (for food)
Sanitary Level Transmitters (for food)
Clean Gauge (for semiconductors)
Chemicals-resistant Pressure Gauges (for semiconductors)
Retard Pressure Gauge (for fire engines)
  Pressure transmitters
  Pressure Transmitter
MDC-Y Differential Pressure Transmitter
High-temperature Small-diaphragm-seal Pressure Gauges and Transmitters
  Peripheral equipment
  Digital Panel Meters (Receivers)
  Other equipment
  Pressure Gauge Testers
Pressure Gauge Accessories(PDF)
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Pressure Gauges for Specific Application

Retard Gauge for Fire Engines

Model 717

This gauge is intended for accurately measuring vacuum degrees where negative (vacuum) pressure and high positive pressure are applied. Ideal for fire engines and other pressurized-water release equipment.

・Halved scale --- Of the 270o central angle of the scale, a half indicates the vacuum over a range of 0.1 MPa to zero (0) and the remaining half is allotted to compressing pressure readings.
・No valve operation --- After measuring the vacuum, high pressure can be applied and measured without switching a valve.
・Four into one --- A single retard pressure gauge eliminates a vacuum gauge, a pressure gauge and 2 switching valves that were conventionally required for the same purpose.
・- No valve, no broken gauge --- No worry about breaking a vacuum gauge by valve operation error.