01901 Gems Sensors Inc, 01901 Datasheet
01901
Manufacturer Part Number
01901
Description
Liquid Level Sensor
Manufacturer
Gems Sensors Inc
Datasheet
1.01801.pdf
(1 pages)
Specifications of 01901
Output Current
0.4A
Operating Pressure Range
0 To 150psi
Body Material
Brass
Supply Voltage Range Dc
0V To 240V
Supply Voltage Range Ac
0V To 240V
Liquid Specific Gravity Min
0.55
Circuitry
SPST
Float Material
Buna N
Mounting Type
Conduit
Rohs Compliant
Yes
Connection Size
1/4"
Sensor Body Material
Brass
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Large Size – Alloys
LS-1800 and LS-1900 Series are a Step Above Our Plastic Units for Pressure Capabilities
Excellent stability for general use in oils and water.
LS-1800 Series –
Buna N Float
Intermediate in size, LS-1800 switches provide long life
and dependability to meet a broad range of requirements.
Dimensions
†L
Common Specifications
Electrical Termination: No.18 AWG, 24˝ L., Polymeric Lead Wires.
Approvals: All Switches on this page are U.L. Recognized – File No. E45168, and are CSA
Listed – File No. 30200.
Switch Operation: Selectable, N.O. or N.C., by inverting float on unit stem (except for
LS-1800 Series switch with Teflon
How To Order –
**LS-1800 100 VA switches are not U.L. Recognized.
*See “Electrical Data” on Page X-5 for more information.
(74.6 mm)
1
LS-1800
LS-1900
Number
2-15/16"
= Switch actuation level, nominal (based on a liquid specific gravity of 1.0).
Series
(61.1 mm)
2-13/32 "
(22.2 mm)†
(13.5 mm)
17/32"
7/8"
316 Stainless
316 Stainless
B
Stem and
Mounting
u
a n
Brass
Brass
Steel
Steel
N
1-1/4" DIA.
(31.7 mm)
Select Part Number based on specifications required.
F
o l
t a
(12.7 mm)
1/2" HEX
1/8" NPT
Material
(44.5 mm)
Buna N
Buna N
Teflon
Buna N
1-3/4"
Float
LS-1800 Series –
Teflon
L
- S
®
®
8 1
float). Units are shipped N.O. unless otherwise specified.
®
0 0
Float
316 Stainless
316 Stainless
S
Steel, Hysol
Steel, Hysol
(74.6 mm)
2-15/16"
e
i r
Wetted
Other
s e
(61.1 mm)
2-13/32 "
Visit www.GemsSensors.com for most current information.
(22.2 mm)†
(13.5 mm)
17/32"
WASHER
7/8"
FLAT
e T
Min. Liquid
o l f
*** LS-1900 100VA unit is UL Resistive Rated.
Sp. Gr.
n
(31.75 mm)
1-1/4" DIA.
.75
.75
.65
.55
.55
®
F
LS-1900 Series –
Buna N Float
With large float displacement, switch
withstands rough service; is suitable
for high viscosity liquids.
o l
t a
(12.7 mm)
1/2" HEX
1/8" NPT
(44.5 mm)
SPRING
1-3/4"
Oil: -40°F to +230°F (-40°C to +110°C)
Oil: -40°F to +230°F (-40°C to +110°C)
-40°F to +250°F (-40°C to +121°C)
Operating Temperature
Water: to 180°F (82°C)
Water: to 180°F (82°C)
(80.9 mm)
3-3/16"
(64.3 mm)
2-17/32"
(30.2 mm)†
(16.7 mm)
1-3/16"
21/32"
L
- S
B
u
9 1
a n
0 0
N
1-7/8" DIA.
(47.6 mm)
S
F
e
o l
i r
t a
s e
(15.9 mm)
5/8" HEX
1/4" NPT
PSI, Max.
Pressure,
(46.1 mm)
1-13/16"
150
300
150
20 VA, N.O.
100 VA***
100 VA**
100 VA**
Switch*
100 VA
20 VA
20 VA
20 VA
20 VA
SPST
FLOAT TYPE
Number
01801
35651
01807
35657
01811
01901
35676
01907
35682
Part
A-13
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