Liquid Level Sensors require no electric power to function.
March 29, 2010 -
Available in normally open and normally closed designs, PRX+1660 series sensors operate using in-built permanent magnet and do not depend on batteries. Suited for use in extreme and/or remote environments for extended periods of time, they feature power rating of 10 W, operating distance of 0.177-0.728 in., and 200-240 Vdc min voltage holdoff. Suited for level sensing or monitoring of brake fluid, contained water, or gasoline, sensors can be mounted at top or bottom of tank.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
HSI Sensing, Inc.
3100 Norge Rd.
Chickasha, OK, 73023
USA
Hermetic Switch Introduces Liquid Level Sensors
Reliable, Cost-Effective Liquid Monitoring in Automotive, Control, Household, Industrial, and RV Applications
CHICKASHA, Okla., U.S.A ¾ Hermetic Switch, Inc., a designer and manufacturer of reed switches, proximity sensors, and other switch technologies, unveiled its new series of liquid level sensors, also known as float sensors or fluid level sensors.
The new PRX+1660 series represents a new product line for the company, which enables Hermetic to address the need for reliable, robust, and reasonably priced sensors for liquid level monitoring applications in appliance, automotive, control, household, industrial, municipal, petrochemical, power generation, processing, and recreational markets.
These sensors can be used for level sensing or monitoring of brake fluid, contained water, dilute acid, gasoline, oil, or any number of process liquids, limited only by the series' material of construction (polyamide or polypropylene).
As with all Hermetic Switch reed-switch-based designs, these sensors require no electric power to function since they operate using a permanent magnet - in this case, designed into the level sensor - so the sensors are not dependent on batteries and thereby can be used in extreme and/or remote environments for an extended period of time. Both "normally open" and "normally closed" designs are available in the new PRX+1660 series.
These PRX+1660 sensors can be mounted at the top or bottom of a liquid container or tank, depending on the application's requirements. When operated within rated electrical loads, these float sensors will provide millions of cycles, long life, and years of reliable operation.
The rated power of the PRX+1660 series is 10 watts and the initial resistance is 0.30 ohms. Other characteristics include:
o Voltage Rating (V DC Max) - from 180 to 200
o Current Rating (A DC Max) - from 0.7 to 1.0
o Voltage Holdoff (V DC Min) - 200 to 240
o Operating Distance (inch) - 0.177 to 0.728 (4.5 to 18.5 mm)
Pricing for PRX+1660 series products ranges from $4 to $5 USD per unit, depending on the specific model and quantity. Hermetic Switch possesses the ability and desire to custom build solutions for specific applications.
For more information regarding the PRX+1660 series of liquid level sensors, please visit: hermeticswitch.com/ProximitySensors/Floats.html
To access the product data sheets directly go to:
PRX+166000 - hermeticswitch.com/ProximitySensors/Floatpdfs/PRX+166000RevA.pdf
PRX+166100 - hermeticswitch.com/ProximitySensors/Floatpdfs/PRX+166100RevA.pdf
PRX+166200 - hermeticswitch.com/ProximitySensors/Floatpdfs/PRX+166200RevA.pdf
PRX+166300 - hermeticswitch.com/ProximitySensors/Floatpdfs/PRX+166300RevA.pdf
PRX+166400 - hermeticswitch.com/ProximitySensors/Floatpdfs/PRX+166400RevA.pdf
PRX+166500 - hermeticswitch.com/ProximitySensors/Floatpdfs/PRX+166500RevA.pdf
For more information on customization or performance specifications, contact Hermetic Switch at USA (405) 224-4046 or write to info@hermeticswitch.com.
Established in 1968, Hermetic Switch is an ISO 9001:2000-registered company that designs, develops, and manufactures reed switches, proximity sensors, and other sensing technologies. It provides custom and standard sensing solutions to industries including aerospace, agricultural, computer/electronic, construction, fluid processing, lawn/garden/turf, medical, military, security, and telecommunications. Specific applications in which Hermetic products are used include burglar alarms, commercial and military jet engines, commercial lawn mowers, defibrillators, hearing aids, pacemakers, space station/space shuttle functions, test, measurement and diagnostic equipment (TMDE), Vagus nerve stimulators, valve-position monitoring devices, wireless devices, etc. Customers include Fortune 500 companies as well as other key players in the global marketplace. For more information, contact Hermetic Switch Inc. USA at 405-224-4046 or visit hermeticswitch.com.
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