NK - Ultrasonic Level Switches
| Wetted Materials | |
| NK-5000 | ABS Plastic |
| NK-6000 | Polypropylene |
| NK-7000 | PPS (PPS) |
| Maximum Pressure | 50 PSIG |
| Operating Temperature | |
| NK-5000/6000 | -4°F to 150 °F |
| NK-7000 | -40 to 220°F |
| Power Requirements | 18-30 VAC or VDC |
| Switch | SPDT, Max. 100 VAC/VDC @ 2 Amps |