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LS-77700 Series Single-Point Level Switch0 pages
LS-77700 - Bent Stem
LS-1700
LS-1750E
LS-1800
These units perform in liquids
with specific gravities as low as
.45; switches protrude into tank
less than 75mm.
Offer broad chemical
compatibility for general
purpose use. Also ideal for oils
and water.
Rugged construction suitable for
most corrosive liquids, and for
high temperatures and pressures.
Intermediate in size, LS-1800
switches provide long life and
dependability to meet a broad
range of requirements.
45
1/8" NPT
(G1/8")
G 1/8"
G1/8"
10
1/8" NPT
(G1/8")
HEX13
(HEX14)
HEX 14
HEX 13
Ø8
ø8
Ø8
32
45
72
80
53
45
32
45
53
53
ø8
38
83
24
Buna N
Float
LEVEL SWITCHES
12.7
1/8" NPT
or 3/8"
UNF with
nut
SINGLE POINT
LEVEL
SWITCHES
Single level switches LS-77700, LS-1700, LS-1750E, LS-1800
24
Ø11
30mm
Ø27
Buna 25
S Steel 38
Ø25
Specifications
Temperature
-40°C to
(Note: PVC Cable
Limited to +80°C Ambient)
Depth of immersion at a
density of 1
Minimum specific gravity
of the liquid
Type of reed switch
Electrical connection
(Length approx. 1m)
Mounting thread
Protection rating
Weight approx
LS-1700
LS-1750E
LS-1800
Brass or S Steel
S Steel or Buna N
10bar
7 bar S Steel Float
Brass or S Steel
Buna N or PTFE
10 Bar
70 bar PTFE Float
S Steel
S Steel
20 bar
Brass or S Steel
Buna N
10 bar
+80°C Water
+110°C Oil
+150°C S Steel Float
Buna N: ϳ9mm
S Steel: ϳ15mm
Buna N: 0.45
S Steel: 0.7
SPST 20 VA
+80°C Water
+110°C Oil
+100°C PTFE
Buna N: ϳ9mm
PTFE: ϳ13mm
Buna N: 0.45
PTFE: 0.85
SPST 50 VA
+150°C
+80°C Water
+110°C Oil
ϳ21mm
ϳ24mm
0.85
0.7
SPST 50 VA
22 AWG 0.6m L., Teflon® Lead wires
Fly lead: AWG 20 FEP
Cable: 0.34 mm2 PVC
1/8" NPT
G 1/8
IP64
30g
SPST 100 VA
SPDT 20 VA
Fly Lead: AWG 20 FEP
Cable: 0.34 mm2 PVC
1/8" NPT
G 1/8
IP64
80g
1/8" NPT
3/8" UNF with nut
IP64
150g
Fly lead: AWG 20 FEP
Cable: 0.34 mm2 PVC
G 1/8
IP64
50g
● Consult factory for De-min water applications
How to Order
Stem, Float, Mounting Electrical Connection
LS-77700
Brass/Buna, NPT, cable
Brass/Buna, NPT, leads
LS-1700
LS1750E
010-2921 NO/NC
118125
LS-1800
010-2930 NO/NC 010-3011 SPDT
010-1701 NO/NC
013-5651 NO/NC 013-0272 SPDT
Brass/Buna, G, cable
011-1700 NO/NC
011-1800 NO/NC
SSteel/Buna, NPT, cable
010-2922 NO/NC
010-2931 NO/NC
SSteel/Buna, NPT, leads
010-1702 NO/NC
013-5657 NO/NC 012-4367 SPDT
SSteel/PTFE, NPT, leads
012-6791 NO
012-7980 NC
SSteel/PTFE, NPT, cable
010-2924 NO
010-2923 NC
Brass/Buna, 3/8" UNF, leads
118127
SSteel/SSteel, 3/8" UNF, leads
010-3013
117716
SSteel/SSteel, G, cable PVC
011-1750 NO/NC
SSteel/SSteel, G, leads
010-0340 NO/NC
SSteel/SSteel, G, cable Silicon
010-0554 NO/NC
Standard Products in bold
27
www.gems-sensors.co.uk
LS-77700
Materials
Stem and mounting
Float
Operating pressure
