Monitoring Devices
| Limit Switches | KT 1 | |
| Limit Monitor with tare function | KM 40 | |
| Dual Limit Monitors | KM 41 | |
| Window Comparators + Schmitt Trigger | KM 42 | |
| Threshold Switches | KM 211 | |
| Limit Value Switches for Standard Signals, 10V + 20mA | KM 212 – KM 213 | |
| Differential Threshold switches | KM 212 – KM 213 | |
| Measuring Amplifiers for Effective Values | VM 321 – VM 323 | |
| Line Monitoring for Outputs | KM 30 + KM 31 | |
| Threshold switches, 2 Ch., 19” Europe card | KE 1 |