Ionization Gauges

IGM401 Hornet™ Hot Cathode

IGM401 Hornet is InstruTech's miniature hot cathode Bayard-Alpert ionization vacuum gauge module with a built-in controller and display. The pressure measurement range of the IGM401 is 1.00E-09 to 5.00E-02 Torr.

IGM401 is available with various fittings including NW16KF, NW25KF, NW40KF, 1 1/3 in. Mini-Conflat, 2 3/4 in. Conflat, 3/4 in. O.D. Tube (O-ring compression) and 1/2 in. Cajon 8VCR female.

item code : IGM401 Hornet™ Hot Cathode


product spec
● Wide measurement range of 1.00E-09 to 5.00E-02 Torr
● Built-in controller with bright OLED digital display
● User programmable display units in Torr, mbar or Pa
● Auto-Ranging of emission current provides optimal and stabile pressure readings
   over the entire measurement range from low to high vacuum.
● 1 analog output and 1 setpoint relay
● RS485 serial communications
● Also a lower cost, plug-compatible direct drop-in replacement for the Granville-
   Phillips® 354 Micro-Ion®
● CE and RoHS compliant
● Typical lead times of 3 to 5 days
● Standard warranty of 18 months