LL01-4AA01 [TE]
RELAY VERSION;LL-01 SERIES – RELAY VERSION
SPECIFICATIONS
Proven ultrasonic technology combined with
compact electronics
Improved performance in aerated liquids
Cost effective design for tight spaces and direct
replacement of electro optical and mechanical
float switch
The LL-01 series Ultrasonic Sentio™ Miniature Liquid
Level Switch uses proven ultrasonic technology combined
with compact electronics yielding improved performance in
aerated liquids.
APPLICATIONS
FEATURES
Pump protection
Storage tanks
Compressors
Medical and laboratory equipment
Hydraulic supply lines
Oil film detection
Coolant reservoirs
Boiler water cutoff
Sewage systems
Pipe lines
Standard Features
High pressure up to 250 PSIG (1724 Kpa)
Output: Relay output, 0.5 amp SPST
(normally open)
No moving parts, easy to install
Input 5 to 30 VDC
Digital filter techniques enhance
performance
Optional Features
Hydraulic and lube reservoirs
Chillers
3.3 volt input power
Electropolishing
Higher pressure up to 500 PSIG (3447 Kpa)
Normally closed relay or Power Loop output,
Wet 20 1 mA; Dry 4 1 mA
SENSOR SOLUTIONS /// LL-01 Relay
06/2017
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LL-01 SERIES – RELAY VERSION
PERFORMANCE SPECIFICATIONS
Parameter
Repeatability
Delay
Typical Value
2 mm or better
0.5 seconds
Parameter
Typical Value
Sensor Material
Temperature
Operating Pressure
Mounting
316L Stainless Steel
-20 to +176° F (-29 to 80 °C)
Up to 250 psig (1724 Kpa)
1/4” NPT or 1/2” NPT
Input Power
Leakage Current
5 to 30 VDC
Less than 50 μA
Mechanical Relay: 0.5 A, 10 W
max; SPST (normally open)
1, 4, 10, & 20 foot lengths
available
Output (standard)
Cable Length
MECHANICAL DIMENSIONS in inches [mm]
Figure 1: Left - LL-01 series element with ¼” NPT sensor mounting
Right - LL-01 series element with ½” NPT sensor mounting
TYPICAL WIRING DIAGRAM
Relay Output
Figure 2: Typical wiring diagram for LL-01 series elements
SENSOR SOLUTIONS /// LL-01 Relay
06/2017
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LL-01 SERIES – RELAY VERSION
ORDERING INFORMATION
LL01 -
A
Temperature
Cable Length
01
C, normally open
1 – 8 0 °
–
1 foot
°
open
2 – 100 C, normally
04 – 4 feet
10 – 10feet
20 – 20 feet
closed
3 – 80 ° C, normally
4 – 100 ° C, normally
closed
Sensor Mount and Activation Point
A – ¼” NPT w/ 0.25” activation point
B – ½” NPT w/ 0.25” activation point
Sensor Material
A – 316L SS
NORTH AMERICA
EUROPE
ASIA
Measurement Specialties, Inc.,
a TE Connectivity Company
Phone +1-800-522-6752
MEAS Deutschland GmbH(Europe)
a TE Connectivity Company
Phone: +49-800-440-5100
Measurement Specialties (China), Ltd.,
a TE Connectivity Company
Phone: +86-400-820-6015
Email: customercare.hmpt@te.com
Email: customercare.tlse@te.com
Email: customercare.shzn@te.com
TE.com/sensorsolutions
Measurement Specialties, Inc., a TE Connectivity company.
Accustar, American Sensor Technologies, AST, ATEXIS, DEUTSCH, IdentiCal, TruBlue, KPSI, Krystal Bond, Microfused, UltraStable, Measurement Specialties, MEAS, Schaevitz, TE
Connectivity, TE, and the TE connectivity (logo) are trademarks of the TE Connectivity Ltd. family of companies. Other logos, product and company names mentioned herein may be
trademarks of their respective owners.
The information given herein, including drawings, illustrations and schematics which are intended for illustration purposes only, is believed to be reliable. However, TE 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.
SENSOR SOLUTIONS /// LL-01 Relay
06/2017
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