UNS-1000 Series (Formerly Series BLS 700)
- Fully customizable
- Up to 5 independent switch points
- Reversible switch logic
- Suitable for high viscosity liquids
- Optional integral temperature switch
- Hermetically sealed reed switches
- Available in Brass or Stainless Steel
- Multiple Mounting and Electrical Connection Options
Barksdale's Series UNS-1000 Level Switches offers a level control solution that is fully customizable to the exact needs of your application. Available in lengths up to 40", the UNS-1000 Level Switches can be configured with up to five floats, each with its own individual switch point. A variety of mounting options and materials are available, ensuring compatibility with your vessel. Standard construction materials include stainless steel and brass. Floats are available in stainless steel and Buna-N. 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 with pressures below 220 psi, the Series UNS-1000 is the level switch to choose.
Specifications
General Specifications*
| Max. Operating Pressure: | 220 psig (15 bar), NBR (BUNA), and SS float |
| Minimum Specific Gravity: | NBR (BUNA) – .57 g/cm3 SS – .71 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 silicone-cable -40 °F to +302 °F (-40 °C to +150 °C) U – Mounting location through bottom PT100 – PT100-element 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: | Dependent 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 | 5 | 2 | 5 | 3 |
| Connect Group 2 | 2 | 4 | 1 | 2 | 1 |
| Connect Group 3 | 3 | 4 | 1 | 3 | 2 |
| Connect Group 4 | 2 | 3 | 1 | 2 | 1 |
Combinations
| Material | Mounting | Electrical Connection | Float |
|---|---|---|---|
| Stainless Steel (VA) | T1 NPT FLA3 | DIN Connector (ST1 & ST2) Terminal box (KL6C or KL12C) Cable gland (PG) PVC Cable (K) |
316 Stainless Steel (VA27) |
| 1/8 NPT 1/2 NPT |
Cable gland (PG) PVC Cable (K) |
||
| Brass (MS) | T1 NPT | DIN Connector (ST1 & ST2) Terminal box (KL6C or KL12C) Cable gland (PG) PVC Cable (K) |
NBR BUNA-N (BN25) |
| 1/8 NPT 1/2 NPT |
Cable gland (PG) PVC Cable (K) PVC Cable (K) |
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