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Dwyer TFLS-W11SR1-048 Tuning Fork Level Switch
$1,095$1,314 (-17%)
Dwyer TFLS-W11SR1-048 Tuning Fork Level Switch is a weatherproof, NEMA 4X rated device designed for detecting bulk materials submerged in liquid. It operates in ambient temperatures ranging from -4 to 140°F (-20 to 60°C) and requires 90 to 265 VAC or 24 VDC power. With a wetted material of 316 SS and pressure limit of…
Dwyer TFLS-W11SR1-048 Tuning Fork Level Switch is a weatherproof, NEMA 4X rated device designed for detecting bulk materials submerged in liquid. It operates in ambient temperatures ranging from -4 to 140°F (-20 to 60°C) and requires 90 to 265 VAC or 24 VDC power. With a wetted material of 316 SS and pressure limit of 145 psig (10 bar), it offers reliable performance. The switch features a SPDT switch type, has a process connection of 1-1/2" male NPT, and an enclosure made of aluminum, powder coated material. It consumes 4 VA of power and has an electrical rating of 5 A @ 230 VAC. The sensitivity is adjustable and the time delay settings can be adjusted from 2 to 20 seconds. It also includes indication lights for easy monitoring.
Specifications
| (Instrument-Sensor) NEMA Protection | NEMA 4X |
|---|---|
| (Instrument-Sensor) Application | Bulk Solids |
| Component | Level Switch |
| (Instrument-Sensor) Application | Dry Powder |
| (Instrument-Sensor) Type | Tuning Fork |
| Manufacturer | Dwyer Instruments |
| (Instrument – Sensor) Supply Voltage | 24 VDC |
| (Instrument – Sensor) Supply Voltage | 90 – 265 VAC |
| (Instrument-Sensor) Temperature Range | Ambient: -4 – 140 °F/-20 – 60°C |
Features
Status indication with external LED switch indicator, and internal indicators for normal and alarm status
No calibration required for quick and easy installation
No mechanical moving parts with no routine maintenance required
Unaffected by the dielectric constant of the sensed material, making it superior to a capacitance level switch for applications where the dielectric constant is too low, where there is more than one material being used in one vessel, and when material moisture content can change
Vibrating fork design is ideal for low bulk density and low dielectric constant products, detecting products down to 1.8 lb/ft3 (30 g/l)
Ideal for applications where the bulk density is too low for a rotating paddle level switch
Adjustable sensitivity can be set to ignore lighter bulk density products and only detect heavier products, such as sand, gravel, or polyester chips in water
Unit is not affected by vibration from conveying systems, motors, or the movement of material
Mounted in any position and is available with factory built extensions for mounting on the top of the storage vessel
Failsafe setting with output switch that can be set for NO or NC condition on loss of power
Time delay prevents false alarms from material surges
Universal power supply yields one model which works with 90-265 VAC and 24 VDC
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