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Long life and reliable operation is inherent in the design of the 201 series. The heavy duty welded carbon steel chamber provides a control to operate up to 1000 psi (69 bar) and process temperature up to 750°F (400°C), 400°F (205°C) at the electrical head assembly. The use of an external magnet reduces the possibility of magnetic particle build up inside the armature tube and subsequent loss of operation as may occur with the internal magnet repulsion design. Choice of construction provides equipment suitable for specific gravity as low as (0.60). Electrical requirements are met by use of hermetically sealed snap action or mercury switches in a variety of actions including SPST, SPDT, DPDT and DPST arrangements. Optional circuits are available for low current/voltage DC; high current DC; or high temperature applications. Standard process connections are combination 1″ NPT and 1″ socket weld hubs. Flanged connections are offered as an option.
Retail price from $7 191
Available
The Model F7-LPP Vertical Level Float Switch provides simple, cost-effective control of the liquid level within a tank. Switch ratings are suitable for high current solidstate control systems and monitors or alarms. The F7-LPP’s mechanically rugged polypropylene construction is ideal for use in a variety of applications due to its heat and chemical resistance.
Retail price from $98
Available
The LVN 60-70-Series level switch will meet or exceed a NEMA-6 rating, making them suitable for submersion with years of worry free operation in moisture-laden environments.
- NEMA-6 Rated
- User Selectable, Normally Open or Normally Closed
- Mounts Vertically at Top or Bottom of Tank
Retail price from $57
Available
The LVCN4000 Series Conductive Level Switch Controllers are designed to control the level of all conductive mediums with up to 2 different points of level control.
- Accurate and Reliable Measurement
- Easy Economical Installation
- Rugged Construction
- No Moving Parts
Retail price from $511
Available
The Series F6 & F7 Vertical Level Switches are designed to be mounted at the maximum or minimum level point to provide level indication and control. Models are shipped with normally open switch contacts which close as the float rises toward the mounting threads.
Retail price from $27
Available
The Series OLS Optical Level Switches are a low cost, rugged optical level switch that indicates the presence or absence of liquid via infrared light that is reflected back through the prism lens. It also provides rapid response while employing no moving parts for stable process control. The bright red and green LED’s indicate the presence or absence of liquid for true, local indication. Three optional materials, 316 SS, polysulfone and PFA provide application flexibility. Compact switch can be quickly mounted horizontally or vertically for each installation.
Retail price from $122
Available
The LVU150 ultrasonic sensors deliver accurate and reliable liquid level detection with an SPST mechanical relay output. Provides a resistance to vapor and turbulence.
Retail price from $424
Available
The LVCN6000/7000 Series is a capacitance switch ideal for low and high level detection for both liquid and solids. It can also detect level without being in contact with the product through a sight glass.
- Separate Metal Reference Not Required
- Used for Liquids, Solids, Grains and Pastes
- Immune to Most Product Build-Up
- Programmable Time Delay and Sensitivity Adjustment
Retail price from $765
Available
Surprisingly compact, the Series L6 Flotect® Level Switch is designed and built for years of trouble-free service in a wide variety of process liquid level applications. Operation is simple and dependable with no mechanical linkage as the level switch is magnetically actuated. The float lever pivoted within the body moves when the process liquid displaces the float. A magnet on the opposite end of the float lever controls a second magnet on the switch actuating lever located in the switch housing.
Retail price from $382
Available
The Model DBLM Mini-Bin Dry Bulk Level Monitor provides reliable level sensing for dry bulk solids where mounting space is limited. Model DBLM Mini-Bin operates by using a 1 rpm synchronous motor to rotate a four vane, plastic paddle, and when material surrounds paddle and impedes rotation, the motor is de-energized and triggers a SPDT snap switch. Mount the Mini-Bin with optional 1-1/4″ to 3/4″ reducer to replace standard size units.
Retail price from $391
Available
The LVSW-710/720 compact solid state liquid level switch employs ultrasonic technology and provides reliable operation in virtually any liquid, regardless of viscosity.
Retail price from $261
Available
Rugged and reliable the Series L4 Flotect® Float Switch operates automatically to indicate tank level. Perfect for starting or stopping pumps, opening or closing valves, or actuating level alarm signals. A unique magnetically actuated switching design gives superior performance. There are no bellows, springs, or seals to fail. Instead, the free-swinging float attracts a magnet within the solid metal switch body, actuating a snap switch by means of a simple lever arm. Float arm hinge design limits the arm angle to prevent vertical hang up.
Retail price from $740
Available
The Series PLS Paddle Level Switch uses a 1 rpm synchronous motor to rotate a paddle and sense the presence of dry powder or bulk materials. Movement is impeded when product comes into contact with the paddle and the resulting motor torque activates the output switches and stops the motor. The PLS is designed with the industry standard 1-1/4″ male NPT connection and mounting flanges.
Retail price from $50
Available
The LV500-Series are small displacement single station level switches. Very compact, the switches are ideal for restricted or limited space. The overall length is 2.1 inches.
- Low Cost, Flexible Design
- Mounts Vertically at Top or Bottom of Tank
- Excellent for Smaller Restricted Areas
- Sealed Reed Switch for High Reliability
Retail price from $43
Available
The Series PLS2 Paddle Level Switch is an electromechanical level switch designed for level monitoring of bulk materials. The rotating measuring vane is driven by a brushless synchronous motor at one revolution per minute and as product builds up, the paddle rotation is impeded and the resulting motor torque activates the output switch and stops the motor. The PLS2 is designed with the industry standard 1-1/4″ male NPT connection and unit can be side or top mounted.
Retail price from $352
Available
The LVN 90-Series level switch will meet or exceed a NEMA-6 rating, making them suitable for submersion with years of worry free operation in moisture-laden environments.
- NEMA-6 (IP68) Rated
- User Selectable, Normally Open or Normally Closed
- Mounts Horizontally
Retail price from $49
Available
Series TFLS Tuning Fork Level Switch is ideal for level control of powders and fine grained solids, especially those with a low bulk density. The TFLS incorporates a piezoelectric crystal that vibrates the fork at its natural frequency. When the fork comes in contact with material, the vibration is dampened and the switch changes state. As the fork becomes free of material, the switch changes back to its normal state. Featured in the TFLS is user-selectable fail-safe operation of the contacts. Unit is not affected by vibration from conveying systems, motors, or the movement of material. It can be mounted in any position and is available with factory built extensions for mounting on the top of the storage vessel.
Retail price from $1 157
Available
These level switches are sealed with potting compound. If the wires are properly terminated the switch will meet or exceed a NEMA-6 rating, making them suitable for submersion.
- NEMA-6 Rated
- High Pressure Models up to 1000 PSI
- User Selectable, Normally Open or Normally Closed
- Mounts Vertically at Top or Bottom of Tank
Retail price from $96
Available
The Model TFLS2 Compact Tuning Fork Level Switch is an ideal choice for level control of powders. The TFLS2 incorporates a piezoelectric crystal that vibrates the fork at its natural frequency. When the fork comes in contact with a material, the vibration is dampened and the switch changes state. As the fork becomes free of material, the switch changes back to its normal state. Featured in the TFLS2 is user selectable fail-safe operation of the contacts. The unit is not affected by vibration from conveying systems, motors, or the movement of material. Its compact size allows for mounting in places a larger tuning fork level switch may not fit, providing great versatility.
Retail price from $808
Available
The LVSW-701 Series liquid level switch is a direct replacement for mechanical float-type devices. The switch employs proven ultrasonic technology and solid state electronics.
- 300:1 Wet-to-Dry Ratio with 316 SS Sensor
- E poxy-Sealed Integral Electronics with Sensor
- Low-Cost Replacement to Mechanical Float
- Mounts in Any Direction
Retail price from $276
Available
The Model CTF Mini Tuning Fork Level Switch is an ideal choice for level control of powders. The CTF incorporates a piezoelectric crystal that vibrates the fork at its natural frequency, when contact material is present it dampens the vibrations and the switch changes state. This series offers a PNP or NPN output.
Retail price from $495
Available
The piezoelectric component produces the resonation on the fork. When the fork comes into contact with a material, the fork will release some frequency signal as feedback
- Fork Level Switch with PNP/NPN Output
- Wide voltage supply range 12-55Vdc
- No frequent calibration required, easy-to-use, sturdy and durable design. High/low failure safe mode, safe and reliable.
- Sensitivity adjustment is available for different densities of media.
Retail price from $276
Available
The Model VRLS Vibrating Rod Level Switch is an economical choice in level detection of powders and bulk solids. The VRLS utilizes a piezoelectric crystal that vibrates the rod at a natural frequency. Once the rod comes in contact with the material, the vibration will be dampened and the switch will change state. Once the rod is uncovered by the material, the switch will revert to its normal state. Perfect for silo or hopper applications, its probe design allows for self-cleaning, ensuring no build-up or bridging of material and accurate detection. Sensitivity is adjustable for detection ranging from large granular material to small powders with low bulk densities. The failsafe mode can be set for failure on high level or failure on low level using a selector switch in the enclosure.
Retail price from $884
Available
The LVCN4300 Series level switches are flexible, as well as cost effective, level solutions for a great variety of applications. Rods can be encased in PTFE tubing as an option.
- Can Operate at High Temperatures and Pressure
- Unaffected by Coating Media or Aggressive Products
- Accurate and Reliable Switching
- Easy Economical Installation
Retail price from $1 065
Available