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Transducer Type G-Tran Series

G-TRAN Series Multi Ionization Gauge


Don't you have a problem with the precision of the vacuum gauge (Variation of sensitivity, error, etc.) and short life (gauge head becomes dirty and it is hard to discharge, etc)in measurement at high vacuum ?
To respond to such requests, ULVAC has developed an ionization vacuum gauge with a spec of long-life at severe environment and a measurable type with high precision.
This world's first metal type triode ionization vacuum gauge is greatly reduce the running cost and help further improving the yield of various processes.

Pressure Switch Unit

SAU 切り抜き240

A pressure sensor unit that is adopting a semiconductor type thin-film element. By this can measure near to the atmospheric pressure (Gauge pressure : -100kPa~10kPa) with high accuracy. To be compatible for a high vacuum pressure SUS316L is adopted.

Vacuum Gauge
G-Tran Series


The G-Tran Series are vacuum gauges developed to meet the need for more centralized and compact systems by (1) lowering equipment costs, (2) saving space, and (3) reducing wiring. Models come in basic types: sensor units and display units. Units can be combined to adapt to the application.

G-TRAN Series Multi Ionization Gauge

G-TRAN Series Multi Ionization Gauge SH2-1_SH2-2

Measuring pressure from atmospheric pressure to high vacuum range by one principle is impossible in today's technology.
Hence, complex vacuum gauges which have the sensor head with different measurement principles are prevailed. But there are some demerit on the complex vacuum gauges as below;
1. All sensor heads need to be replaced when a sensor head is broken.
2. Easy to break for the complexity of sensor heads
3. Sensor head is expensive
ULVAC adopts the separate sensor head method (patent pending) with its sensor head selectable at customer's choise. It's capable of measuring wide range of pressure, lowering runninng cost and stress on emviroment.

G-TRAN Series Atmospheric Pirani Vaccum Gauge


This is a wide range pirani vaccum gauge which measures from atmospheric pressure to 5 x 10-2 Pa. In addition, this gauge removes control and display panels from traditional controllers, keeping the minimum necessary functions only, thus saving cost and space.

Ceramic Capacitance Manometer
CCMT-D Series


The CCMT-D series is a capacitance manometer, which detects static electric capacitance occurring when a barrier membrane made of ceramic (alumina) is deformed by changes in gas pressure.

G-Tran Series 1CH Display Unit


This single channel vacuum gauge display is compatible with all G-TRAN series and CCM series sensors.
Enables users to view system status at a glance.

G-TRAN Series 4CH Display Unit


4 CH display unit enables you to operate 4 gauges with a display. Eight set points are available in the 4 CH display.The display unit supports 8 set point outputs and I/O control functions are standard.
Covers the wide pressure range of an atmospheric pirani vaccum gauge and an ionization gauge.

G-Tran Series Cold Cathode Gauge

G-Tran Series Cold Cathode Gauge Measuring Units SC1

G-TRAN series SC1 is a magnetron type cold cathode vacuum gauge.
Since no filament is used, extended life between gauge replacement is assured. Maintenance is expected.
Ease of maintenance reduces the cost of ownership.

G-Tran Series Pirani Gauge


The sensor unit SP1 is an integrated pirani gauge consisting of the WP series sensor head  and circuits, for the range of 3000 to 0.4Pa (22 to 3 x 10-3 torr/ 3 to 4 x 10-3mbar).

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