Full Range Gauges IGM402 Hornet™ Hot Cathode Miniature Bayard-Alpert Technology with Dual Convection Gauges Measurement range from 1.00E-09 to 1,000 Torr Built-in controller with OLED digital display 3 Analog outputs, Digital input control 3 Setpoint relays, RS485 serial Communications More Info about IGM402 Hornet™ Hot Cathode WGM701 Wasp™ Cold Cathode Pirani Inverted Magnetron and Pirani Combination Technology Two sensors in a single device Measurement range from 7.60E-10 to 760 Torr Built-in controller with analog output More Info about WGM701 Wasp™ Cold Cathode Pirani