UNS-2000 Series (Formerly Series BLS 800)
Description
Barksdale's Series UNS 2000 Level Switches offer a level control solution that is fully customizable to the exact needs of your application. This series of Level Switches can be configured with up to six floats, each with its own individual switch point. A variety of mounting options and materials are available, ensuring compatibility with your vessel. Floats are available in stainless steel and Buna-N, ensuring a broad range of media compatibility. Alternative materials may be available upon request. Switches may be configured either as one common circuit (Group 1 or 2) or as independent circuits (Group 3 or 4), with SPST or SPDT reed switches. For applications requiring multiple setpoints, an integral temperature switch (optional) and high pressures up to 580 psi, the UNS-2000 is the level switch to choose.
Features
- Fully customizable
- Up to 6 independent switch points
- Reversible switch logic
- Suitable for high viscosity liquids
- Optional integral temperature switch
- Hermetically sealed reed switches
Technical specifications
General Specifications*
| Max. Operating Pressure: | 580 PSI (40 bar), depends on mounting element and float |
| Minimum Specific Gravity: NBR (BUNA): S.S: | 0.6 g/cm3 0.78 g/cm3 |
| Mounting Position: | Vertical, ±30°, through top or bottom |
| Protection Class: | IP65 for ST-, KL- and PG-design IP67, IP68 on request IP54 for K-design |
| Operating Temperature: | +14 °F to +221 °F (-10 °C to +105 °C), PVC-cable |
| Special Design Options: (On Request) | DR - Damping Tube HT - High Temperature Application - (-40 °C up to +150 °C) F- Silicone Cable U - Mounting location through bottom PT100 - PT100-Element TP - Temperature switch V V - Vertical Adjustment EXi - ATEX-approval EEx ia |
| Contact Mode: | NO or NC are defi ned on the basis of an empty tank and for installation through the top |
| Weight: | Depends on length and design |
Max. Switchpoints
| KL6C AL Terminal Box | KL12C AL Terminal Box | ST1 DIN Connector | ST2 DIN Connector | PG Cable gland | |
|---|---|---|---|---|---|
| Connect Group 1 | 5 | 6 | 2 | 5 | 6 |
| Connect Group 2 | 2 | 4 | 1 | 2 | 4 |
| Connect Group 3 | 3 | 4 | 1 | 3 | 4 |
| Connect Group 4 | 2 | 3 | 1 | 2 | 3 |
Combinations
| Material | Mounting | Electrical Connection | Float |
|---|---|---|---|
| Stainless Steel (VA) | T1-1/4 NPT T2 NPT FLAS | DIN Connector (ST1 & ST2) Terminal box (KL6C or KL12C) Cable gland (PG) PVC Cable (K) | Stainless Steel (VA52) |
| 1/2 NPT | Cable gland (PG) PVC Cable (K) | ||
| Brass (MS) | T1-1/4 NPT T2 NPT | DIN Connector (ST1 & ST2) Terminal box (KL6C or KL12C) Cable gland (PG) PVC Cable (K) | NBR (Buna-N) (BN30) |
| 1/2 NPT | Cable gland (PG) PVC Cable (K) |
