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Liquid level sensors

Single-Point Level Switch ELS

Single-Point Level Switch ELS

Single-Point Level Switch ELS

These polysulfone level switch units are both compact and economical. They feature a variety of mountings, power requirements and electrical terminations to make it easy to find a perfect match for your application. The ELS Level Switch Series is low cost, compact, optical, level sensors with built-in switching electronics. With no moving parts, these small units are ideal for a variety of point level sensing applications especially where dependability and economy are a must. These level switch units are suitable for high, low or intermediate level detection in practically any tank top, large or small. Installation is simple and quick through the tank top, bottom or side. Solid state-switching ensures dependability over long service life. The sensor offers ±1 mm repeatability and broad liquid compatibility. They are not recommended for use in any liquid that crystallises or leaves a solid residue.

Available models and options expand / close

Name Part-No Description
ELS-1100 138167 Optic 1/4“ NPT Polysulfone 5V DC Wet “NO“
ELS-1100 142700 Optic 1/4“ NPT Polysulfone 10-28 VDC Wet “NO“
ELS-1100 143570 Optic 1/4“ NPT Polysulfone 10-28 VDC Dry “NC“
ELS-1100 144225 Optic 1/4“ “amp; 3/8“ Cond PSU 5V DC Wet “NO“
ELS-1100 143585 Optic 1/4“ “amp; 3/8“ Cond PSU 10-28 VDC Wet “NO“
ELS-1100 143590 Optic 1/4“ “amp; 3/8“ Cond PSU 10-28 VDC Dry “NC“
ELS-1100 175631 Optic 1/4“ “amp; 3/8“ Cond Nylon 5V DC Wet “NO“
ELS-1100 157750 Optic 1/4“ “amp; 3/8“ Cond Nylon 10-28 VDC Wet “NO“
ELS-1100 175632 Optic 1/4“ “amp; 3/8“ Cond Nylon 10-28 VDC Dry “NC“
ELS-1100 144235 Optic 1/2“ UNF Polysulfone 5V DC Wet “NO“
ELS-1100 143580 Optic 1/2“ UNF Polysulfone 10-28 VDC Wet “NO“
ELS-1100 143575 Optic 1/2“ UNF Polysulfone 10-28 VDC Dry “NC“
ELS-1100 166541 Optic M12 x 1 Polysulfone 5V DC Wet “NO“
ELS-1100 169555 Optic M12 x 1 Polysulfone 10-28 VDC Wet “NO“
ELS-1100 169556 Optic M12 x 1 Polysulfone 10-28 VDC Dry “NC“
ELS-1100 175630 Optic M12 x 1 Nylon 5V DC Wet “NO“
ELS-1100 175620 Optic M12 x 1 Nylon 10-28 VDC Wet “NO“
ELS-1100 175610 Optic M12 x 1 Nylon 10-28 VDC Dry “NC“
ELS-1100 139293 Optic Fish Pull 5V DC Wet “NO“
ELS-1100 143577 Optic Fish Pull 10-28 VDC Wet “NO“
ELS-1100 148973 Optic Fish Pull 10-28 VDC Dry “NC“
ELS-1100HT 153061 Optic 3/8“ NPT Isoplast 5V DC Wet “NO“
ELS-1100HT 153062 Optic 3/8“ NPT Isoplast 5V DC Dry “NC“
ELS-1100HT 153063 Optic 3/8“ NPT Isoplast12V DC Wet “NO“
ELS-1100HT 153064 Optic 3/8“ NPT Isoplast 12V DC Dry “NC“
ELS-1100HTS 191342 Optic M16 x 2 Isoplast 5 VDC Dry “NC“
ELS-1100HTS 191341 Optic M16 x 2 Isoplast 5 VDC Wet “NO“
ELS-1100 FLG 187580 Optic Flange Polysulfone 10-28 VDC Dry “NC“
ELS-1100 FLG 187585 Optic Flange Polysulfone 10-28 VDC Wet “NO“
ELS-1100 FLG 187590 Optic Flange Polysulfone 5 VDC Dry “NC“
ELS-1100 FLG 187575 Optic Flange Polysulfone 5 VDC Wet “NO“
ELS-1100 TFE 173700 Optic 1/4“ NPT Teflon 10-28 VDC Dry “NC“, no cable boot
ELS-1100 TFE 173800 Optic 1/4“ NPT Teflon 10-28 VDC Wet “NO“, no cable boot
ELS-1100 TFE 185600 Optic 1/4“ NPT Teflon 10-28 VDC Dry “NC“, with cable boot
ELS-1100 TFE 187595 Optic 1/4“ NPT Teflon 10-28 VDC Wet “NO“, with cable boot
ELS-1150 194469 Optic 1/2“ NPT Integral Elect 5 VDC Wet “NO“ Nickel Plated Steel
ELS-1150 194470 Optic 1/2“ NPT Integral Elect 5 VDC Dry “NC“ Nickel Plated Steel
ELS-1150 194471 Optic 1/2“ NPT Integral Elect 12 VDC Wet “NO“ Nickel Plated Steel
ELS-1150 194472 Optic 1/2“ NPT Integral Elect 12 VDC Dry “NC“ Nickel Plated Steel
ELS-1150 195201 Optic 3/4“-16 Lead Wires 5 VDC Dry “NO“ Nickel Plated Steel
ELS-1150 195202 Optic 3/4“-16 Lead Wires 5 VDC Dry “NC“ Nickel Plated Steel
ELS-1150 195203 Optic 3/4“-16 Lead Wires 12 VDC Dry “NO“ Nickel Plated Steel
ELS-1150 195204 Optic 3/4“-16 Lead Wires 12 VDC Dry “NC“ Nickel Plated Steel
ELS-1150 203385 Optic 1/2“ NPT Integral Elect 24 VDC Wet “NO“ Nickel Plated Steel
ELS-1150 205600 Optic 1/2“ NPT Integral Elect 24 VDC Dry “NC“ Nickel Plated Steel
ELS-1150 205486 Optic 1/2“ NPT Integral Elect 5 VDC Wet “NO“ Stainless Steel
ELS-1150 205487 Optic 1/2“ NPT Integral Elect 5 VDC Dry “NC“ Stainless Steel
ELS-1150 205490 Optic 1/2“ NPT Integral Elect 12 VDC Wet “NO“ Stainless Steel
ELS-1150 205495 Optic 1/2“ NPT Integral Elect 12 VDC Dry “NC“ Stainless Steel
ELS-1150XP 227201 Optic 1/2“ NPT 5-28VDC FM Wet Sink NC Nickel Plated Steel
ELS-1150XP 227202 Optic 1/2“ NPT 5-28VDC FM Dry Sink NO Nickel Plated Steel
ELS-1150XP 227203 Optic 1/2“ NPT 5-28VDC FM Wet Sourcing NC Nickel Plated Steel
ELS-1150XP 227204 Optic 1/2“ NPT 5-28VDC FM Dry Sourcing NO Nickel Plated Steel
ELS-1150XP 227257 Optic 1/2“ NPT 5-28VDC FM Wet Sink NC Stainless Steel
ELS-1150XP 227256 Optic 1/2“ NPT 5-28VDC FM Dry Sink NO Stainless Steel
ELS-1150XP 227255 Optic 1/2“ NPT 5-28VDC FM Wet Sourcing NC Stainless Steel
ELS-1150XP 227254 Optic 1/2“ NPT 5-28VDC FM Dry Sourcing NO Stainless Steel
ELS-1200 153842 Optic 1/2“ NPT Integral Elect 5 VDC Wet “NO“
ELS-1200 154177 Optic 1/2“ NPT Integral Elect 5 VDC Dry “NC“
ELS-1200 153843 Optic 1/2“ NPT Integral Elect 12 VDC Wet “NO“
ELS-1200 154178 Optic 1/2“ NPT Integral Elect 12 VDC Dry “NC“
ELS-1200 171574 Optic 1/2“ NPT Remove Elect 5 VDC Wet “NO“
ELS-1200 160953 Optic 1/2“ NPT Remove Elect 5 VDC Dry “NC“
ELS-1200 160646 Optic 1/2“ NPT Remove Elect 12 VDC Wet “NO“
ELS-1200 160954 Optic 1/2“ NPT Remove Elect 12 VDC Dry “NC“
ELS-1200 166852 Optic 1/2“ NPT Remove Elect 24 VAC Wet “NO“
ELS-1200 166854 Optic 1/2“ NPT Remove Elect 24 VAC Dry “NC“
ELS-1200 164219 Optic 1/2“ NPT Remove Elect 120 VAC Wet “NO“
ELS-1200 164222 Optic 1/2“ NPT Remove Elect 120 VAC Dry “NC“
ELS-1200 161431 Optic 3/4“ UNJF Remove Elect 5 VDC Wet “NO“
ELS-1200 161432 Optic 3/4“ UNJF Remove Elect 5 VDC Dry “NC“
ELS-1200 161433 Optic 3/4“ UNJF Remove Elect 12 VDC Wet “NO“
ELS-1200 161434 Optic 3/4“ UNJF Remove Elect 12 VDC Dry “NC“
ELS-1200 168174 Optic 3/4“ UNJF Remove Elect 24 VAC Wet “NO“
ELS-1200 168422 Optic 3/4“ UNJF Remove Elect 24 VAC Dry “NC“
ELS-1200 166848 Optic 3/4“ UNJF Remove Elect 120 VAC Wet “NO“
ELS-1200 166850 Optic 3/4“ UNJF Remove Elect 120 VAC Dry “NC“
ELS-1200CR 188119 Optic 1/2“ NPT Hastelloy 24 VDC Wet
ELS-1200CR 188117 Optic 1/2“ NPT Hastelloy 24 VDC Dry
ELS-1200CR 188118 Optic 1/2“ NPT Hastelloy 24 VDC Wet Time Delay
ELS-1200CR 188116 Optic 1/2“ NPT Hastelloy 24 VDC Dry Time Delay
ELS-950 224501 ½“ -20 UNF-28, 5 VDC, Wet NO, 6 inch leads
ELS-950 224502 ½“ -20 UNF-28, 5 VDC, Dry NC, 6 inch leads
ELS-950 224503 ½“ -20 UNF-28, 12 VDC, Wet NO, 6 inch leads
ELS-950 223625 ½“ -20 UNF-28, 12 VDC, Dry NC, 6 inch leads
ELS-950 224504 ¼“ NPT, 5 VDC, Wet NO, 6 inch leads
ELS-950 224505 ¼“ NPT, 5 VDC, Dry NC, 6 inch leads
ELS-950 224506 ¼“ NPT, 12 VDC, Wet NO, 6 inch leads
ELS-950 224507 ¼“ NPT, 12 VDC, Dry NC, 6 inch leads
ELS-950 224508 M12 X 1 -8, 5 VDC, Wet NO, 6 inch leads
ELS-950 224509 M12 X 1 -8, 5 VDC, Dry NC, 6 inch leads
ELS-950 224510 M12 X 1 -8, 12 VDC, Wet NO, 6 inch leads
ELS-950 224511 M12 X 1 -8, 12 VDC, Dry NC, 6 inch leads
ELS-950 226541 ½“ -20 UNF-28, 5 VDC, Wet NO, 2 meter leads
ELS-950 226542 ½“ -20 UNF-28, 5 VDC, Dry NC, 2 meter leads
ELS-950 226543 ½“ -20 UNF-28, 12 VDC, Wet NO, 2 meter leads
ELS-950 226544 ½“ -20 UNF-28, 12 VDC, Dry NC, 2 meter leads
ELS-950 226545 ¼“ NPT, 5 VDC, Wet NO, 2 meter leads
ELS-950 226546 ¼“ NPT, 5 VDC, Dry NC, 2 meter leads
ELS-950 226547 ¼“ NPT, 12 VDC, Wet NO, 2 meter leads
ELS-950 226548 ¼“ NPT, 12 VDC, Dry NC, 2 meter leads
ELS-950 226549 M12 X 1 -8, 5 VDC, Wet NO, 2 meter leads
ELS-950 226550 M12 X 1 -8, 5 VDC, Dry NC, 2 meter leads
ELS-950 226551 M12 X 1 -8, 12 VDC, Wet NO, 2 meter leads
ELS-950 226552 M12 X 1 -8, 12 VDC, Dry NC, 2 meter leads
ELS-950M 232175 1/4“ NPTM, 5 VDC, WET NO
ELS-950M 232171 1/2“-20UNF-2B, 5 VDC, WET NO
ELS-950M 232179 M12X1-8, 5 VDC, WET NO
ELS-950M 232176 1/4“ NPTM, 5 VDC, DRY NC
ELS-950M 232172 1/2“-20UNF-2B, 5 VDC, DRY NC
ELS-950M 232180 M12X1-8, 5 VDC, DRY NC
ELS-950M 232177 1/4“ NPTM, 12 VDC, WET NO
ELS-950M 232173 1/2“-20UNF-2B, 12 VDC, WET NO
ELS-950M 232181 M12X1-8, 12 VDC, WET NO
ELS-950M 232178 1/4“ NPTM, 12 VDC, DRY NC
ELS-950M 232174 1/2“-20UNF-2B, 12 VDC, DRY NC
ELS-950M 232182 M12X1-8, 12 VDC, DRY NC