LDS809-21 [TE]
HORIZONTAL SHORT-SWING LIQUID LEVEL SENSORS;
| 型号： | LDS809-21 |
| 厂家： | 
TE CONNECTIVITY |
| 描述： | HORIZONTAL SHORT-SWING LIQUID LEVEL SENSORS |
| 文件： | 总4页 (文件大小：223K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
te.com
HORIZONTAL SHORT-SWING
LIQUID LEVEL SENSORS
LDS Series
High- or low-level switching
N.O./N.C. SPST output
Mounted on the side wall of a tank
Certified reed switch (UL component listed)
Body and float made from glass filled nylon 6.6
The LDS series of point liquid level switches demonstrates a high
degree of reliability due to the use of non-reactive wetted
components and a unique reed switch designed specifically for level
sensing applications. The sensor utilizes a moving float with an
embedded magnet to activate a reed switch located in the sensor
body. As the liquid level raises the float, it moves a magnet into
close proximity of the reed switch and actuates it to give an open
contact or closed contact switch indication.
Features
Voltage rating up to 250VAC
Current rating up to 1.0 amp
Compact design and low profile
Optional cable lengths
Includes mounting hardware
Full and/or empty detection
The reliability of this sensor results from a very simple operating
principle, a single moving part, media compatible wetted materials,
and a unique reed switch design that has a UL recognized
component certification.
Applications
The sensor mounts into the side wall of a liquid storage tank using
an M16 x 2.0 threaded fitting. The M16 mount is available in an
internal or external configuration. The output is a simple N.O. or N.C.
SPST reed switch that utilizes Ruthenium contact points for
reliability. Changing from a N.O. output to a N.C. output is done by
rotating the switch 180° in the mounting hole. This change can be
done in the field. Electrical outputs are a single pair of wires with
PVC insulation and optional lengths of 0.5 m or 2.0 m.
Water and fuel storage tanks
Pump on/off controls
Marine bilge and ballast tanks
Flood detection and prevention
Coolant level indication
Livestock watering tanks
Irrigation systems
Water treatment plants
Waste water tanks
Chemical storage and processing
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Page 1
TE CONNECTIVITY SENSORS /// LDS SERIES
10/2020
LIQUID LEVEL SWITCH
LDS Series
Absolute Maximum Ratings (1)
Parameter
Min
Max
Units
Notes/Conditions
DC contact voltage (SPST)
DC contact current (SPST)
200
1.0
250
1.0
105
4.7
10
V
A
Do not exceed 70W
RMS contact voltage (SPST)
RMS contact current (SPST)
Storage and operating temperature
Fitting pressure
V
A
-30
-1.0
1.0
1.0
°C
Bar
mm
mm
Internal tank pressure
Tank wall thickness (Internal mount)
Tank wall thickness(External mount)
4.0
(1) Maximum limits the device will withstand without damage
Product Specifications
Parameter
Details & Options
Mounting Orientation
Fitting
Side entry
M16 x 2.0 Internal or External
N.C. when float is horizontal
Form A (SPST)
Switch Operation
Contact Forms
Contact Material
Contact resistance (max)
Housing and Float Material
Cable Description
Shock
Ruthenium
140 mΩ
Glass filled nylon 6.6 (better for oil, fuel, non-ionic liquids)
Glass filled Polypropylene (better for water and aqueous solutions)
18 AWG 32/0.2mm PVC insulated, UL/CSA/BS6361
±50g 11ms half sign duration
Vibration
±35g 0 – 500Hz
Ambient Humidity
Ingress protection
Approvals & Certifications
0 – 95% RH (non-condensing)
IP68 (wetted surfaces) IP65 (non-wetted surfaces)
UL file E98428
TE CONNECTIVITY SENSORS /// LDS SERIES
10/2020
Page 2
LIQUID LEVEL SWITCH
LDS Series
Outline Dimensions
Schematic
Mounting Orientations
Condition Switch (SPST)
Condition Switch (SPST)
No liquid
Liquid
Closed
Open
No liquid
Liquid
Open
Closed
Mounting Detail & Hardware
TE CONNECTIVITY SENSORS /// LDS SERIES
10/2020
Page 3
LIQUID LEVEL SWITCH
LDS Series
Ordering Information
Model Number
LDS __ __ __ __ __ __
-
Material (body + float)
Seal Material Options
3
8
Glass-filled nylon 6.6
Blank Silicone (model 809 only)
Glass-filled polypropylene
N
Nitrile (model 309 only)
Cable Length Options
Switch Options
1
2
0.5m Single insulated PVC
2.0m Single insulated PVC
09
Form A (N.O. SPST)
Fitting Options
1
2
5
Internal M16
External M16
Universal fitting kit (Options 1 & 2)
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CONNECT WITH A SPECIALIST
NORTH AMERICA
Tel +1 800 522 6752
EUROPE
Tel +31 73 624 6999
ASIA
Tel +86 0400 820 6015
te.com/sensors
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Connectivity makes no warranties as to its accuracy or completeness and disclaims any liability in connection with its use. TE Connectivity‘s obligations shall only be as
set forth in TE Connectivity‘s Standard Terms and Conditions of Sale for this product and in no case will TE Connectivity be liable for any incidental, indirect or
consequential damages arising out of the sale, resale, use or misuse of the product. Users of TE Connectivity products should make their own evaluation to determine
the suitability of each such product for the specific application.
© 2020 TE Connectivity Corporation. All Rights Reserved.
10/2020
TE CONNECTIVITY SENSORS /// LDS SERIES
10/2020
Page 4
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