The MKS HPS® Series 943 Cold Cathode vacuum gauge controller is compatible with the Series 423 I-Mag® sensor for OEM or industrial use and the 421 sensor for UHV use. The Series 943 Cold Cathode vacuum gauge controller is designed to be user-friendly and to provide fast, reliable pressure measurement from 10-10 to 10-2 Torr. The 943 Cold Cathode Vacuum Gauge is well-suited for industrial, process and analytical applications including pressure measurement of high vacuum chambers and control of high vacuum systems. Areas of applications may include high energy physics, analytical instruments, laser production, ion implantation, mass spectrometry, or PVD. The 943 digital controller features two standard independent relay set points, which allows you to confidently control your process. Adjust the set points from the front panel while viewing the display. Red LEDs indicate set point activation status.

MKS Part Number: 100007873 This is a MKS 10 foot long Cold Cathode vacuum gauge signal cable connects to the top of the MKS 423 I-Mag® Cold Cathode sensor and the to the back port of the MKS 943 Cold Cathode controller. This is the cable ONLY, all other parts and accessories are optional. The 423 I-Mag® Sensor, uses an inverted magnetron design and can operate at pressures much lower than a traditional Penning cold cathode sensor, as low as 10 Torr with the proper controller. This increased pressure range makes the HPS® Cold Cathode sensor ideal for UHV use. A unique design feature of the HPS® Cold Cathode sensor is a second feedthrough for ion collection. In an ordinary single feedthrough design, any current leakage between the anode and ground would result in pressure measurement errors. Only the ion current from the cathode contributes to a measurement reading in a dual feedthrough design, making it ideal for process monitoring.

This is a MKS 50 Foot long Cold Cathode Vacuum Gauge Signal Cable Connects to the top of the MKS 423 I-Mag® Cold Cathode Sensor and the to the back port of the MKS 943 Cold Cathode Controller. This is the cable ONLY, all other parts and accessories are optional. The 423 I-Mag® Sensor, uses an inverted magnetron design and can operate at pressures much lower than a traditional Penning cold cathode sensor, as low as 10 Torr with the proper controller. This increased pressure range makes the HPS® Cold Cathode sensor ideal for UHV use. A unique design feature of the HPS® Cold Cathode sensor is a second feedthrough for ion collection. In an ordinary single feedthrough design, any current leakage between the anode and ground would result in pressure measurement errors. Only the ion current from the cathode contributes to a measurement reading in a dual feedthrough design, making it ideal for process monitoring.

Using an inverted magnetron design, the 423 I-Mag® sensor can operate at pressures much lower than a traditional Penning cold cathode sensor, as low as 10-11 Torr with the proper controller. This increased pressure range makes the HPS® Cold Cathode sensor ideal for UHV use. A unique design feature of the HPS® Cold Cathode sensor is a second feedthrough for ion collection. In an ordinary single feedthrough design, any current leakage between the anode and ground would result in pressure measurement errors. Only the ion current from the cathode contributes to a measurement reading in a dual feedthrough design, making it ideal for process monitoring. With no filament to burn out, the 423 I-Mag® sensor is not ruined by sudden inrushes of air and is resistant to vibration damage. Additionally, there is no need to adjust the emission current or to degas the gauge, reducing response time to pressure changes. If bakeout is required, the magnets and sensor connectors can be removed and the sensor can be baked to 400°C.

Using an inverted magnetron design, the 423 I-Mag Sensor can operate at pressures much lower than a traditional Penning cold cathode sensor, as low as 10 Torr with the proper controller. This increased pressure range makes the HPS Cold Cathode sensor ideal for UHV use. A unique design feature of the HPS Cold Cathode sensor is a second feedthrough for ion collection. In an ordinary single feedthrough design, any current leakage between the anode and ground would result in pressure measurement errors. Only the ion current from the cathode contributes to a measurement reading in a dual feedthrough design, making it ideal for process monitoring. With no filament to burn out, the 423 I-Mag sensor is not ruined by sudden inrushes of air and is resistant to vibration damage. Additionally, there is no need to adjust the emission current or to degas the gauge, reducing response time to pressure changes. If bakeout is required, the magnets and sensor connectors can be removed and the sensor can be baked to 400°C. This is a Brand New Cold Cathode Sensor ONLY the MKS signal cable and MKS 943 Controller for this unit are sold separetely on this website. A complete specification brochure and operations manual are available for download in PDF format below.