Barksdale

UNS-2000 Series (Formerly Series BLS 800)

  • Fully customizable
  • Up to 6 independent switch points
  • Reversible switch logic
  • Suitable for high viscosity liquids
  • Optional integral temperature switch
  • Hermetically sealed reed switches
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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.

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)

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