The ModulLine series includes three Pirani TPR vacuum gauges with a measuring range of 1,000 to 8 · 10-4 hPa, three IKR cold cathode vacuum gauges with a measuring range of 5 · 10-3 to 1 · 10-11 hPa, and two IMR hot cathode vacuum gauges with a measuring range of 1 · 10-2 to 2 · 10-12 hPa.