| UNS Single-Point Float Level Switches |  | Barksdale | Single-point float | Vertical top or bottom mounting | Varies by model, liquid and cable | NO/NC or SPDT | Varies by model |  | Compare |
| Bilge Level Switches |  | Barksdale | Single-point float | Marine bilge monitoring; versions with and without a test function | Varies by model; see catalogue | Switch contacts; see model | IP67 or IP68 by model | | Compare |
| UNS-1000 Multi-Point Float Level Switches |  | Barksdale | Multi-point float | Up to five switch points; up to 40 in stem length | Varies by float and connection | NO, NC or SPDT by configuration | IP54 to IP65 standard, by connection | | Compare |
| UNS-2000 Multi-Point Float Level Switches |  | Barksdale | Multi-point float | Up to six switch points; vertical stem mounting | Varies by float and connection | NO, NC or SPDT by configuration | IP65 for ST, KL and PG designs | | Compare |
| UNS-1000-S Marine Multi-Point Float Level Switches |  | Barksdale | Multi-point float | One to five switch points; 500 or 1,000 mm maximum by mounting version | Up to 100 °C with BN25 or 150 °C with stainless floats | NO, NC or SPDT by configuration | Shipbuilding approvals by configuration | | Compare |
| UNS2000 European Multi-Point Float Level Switches |  | Barksdale | Multi-point float | Up to six switch points and a 3,000 mm stem | −10 to +105 °C with PVC cable; −40 to +150 °C with selected high-temperature configurations | Reed contacts; optional temperature sensor or switch | IP54 to IP65 standard; ATEX / IECEx by configuration | | Compare |
| UNS-2000-S Marine Multi-Point Float Level Switches |  | Barksdale | Multi-point float | Up to four switch points; up to 2,000 mm by mounting version | Varies by float and liquid; up to 150 °C with selected floats | NO, NC or SPDT by configuration | Shipbuilding approvals by configuration | | Compare |
| BLS3000 Electronic Float Level Switch |  | Barksdale | Electronic | 316Ti stainless-steel stem and BN17 float; 5 mm resolution; 3 bar maximum | Media −25 to +80 °C; ambient −20 to +70 °C | One or two switch points; analogue output or IO-Link by configuration | IP65/IP67; cULus subject to operating conditions | | Compare |
| BLS2000 Electronic Float Level Switch |  | Barksdale | Electronic | Brass stem and BN30 float; 8 or 12 mm resolution; 15 bar maximum | Media −25 to +80 °C; ambient −20 to +70 °C | One or two switch points; analogue output or IO-Link by configuration | IP65/IP67 | | Compare |
| BTLS2000 Electronic Temperature and Level Switches |  | Barksdale | Electronic | Integral Pt100 Class A + reed level | 0 to 100 °C or −30 to 140 °C, by model | Two temperature switchpoints, optional analogue output, and level contacts | IP65/IP67 with suitable connector | | Compare |
| UNS1000-BN18-TC Telescopic Level and Temperature Switches |  | Barksdale | Electronic | Telescopic float level + bimetal temperature | Fixed 60 °C temperature contact | Level NO + temperature NC | IP65 / NEMA 4 | | Compare |
