Vibrating Rod (Vibrating Probe) Level Switch

YK-TFB

Vibrating Rod (Vibrating Probe) Level Switch

Vibrating rod level switches, a type of tuning-fork level detector, offer superior performance with no false triggering from material buildup or impact, no trapping issues, and higher sensitivity; their single cylindrical probe leverages resonance principle—driven by piezoelectric elements to vibrate continuously, with vibration amplitude sharply decreasing only when fully surrounded by material, triggering a switch output; ideal for point-level detection of solids, liquid-solid interfaces, and sediment in tanks or silos, they feature no moving parts, corrosion resistance, high sensitivity, and easy installation.

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technology parameter

Structure Form	Integral Type	Connection Method	Threaded Type, Flanged Type
Shell Material	SUS304, SUS316	Structure Type	Standard Type, High Temperature Type
Probe Material	316L	Ambient Temperature	-25 ～ 60℃
Process Temperature	-25 ～ 180℃	Applicable Pressure	4.0 MPa（can be agreed upon）
Accuracy	±1mm	Electrical Connection	M20×1.5（can be agreed upon）
Output Signal	Digital (Switch) Output	Protection Rating	IP65, IP66
Certifications	Intrinsic Safety, Explosion-proof	Power Supply Voltage	220VAC, 24VDC

Selection

Measurement Task
Operating Temperature

A:≤80℃; B:≤120℃; C:≤200℃; D:≤300℃; E:≤400℃;
Pressure Rating

A:0–1.6MPa; B:0–2.5MPa; C:0–4.0MPa; D:0–6.3MPa; E:0–10MPa;
Output Signal

A:4–20mA; B:Discrete signal; C:No Output;
Power Supply

A:24VDC; B:220VAC; C:Non-powered;
Process Connection Size

A:DN20; B:DN25; C:DN32; D:DN40; E:DN50; F:DN65; G:DN80; H:DN100; J:DN125; K:DN150; L:DN200; M:G1/2 thread; S:1/2 NPT thread; T:G1 thread; Y:G1½ thread; Z:G1¼ thread; X:Other;
Insertion Length

A:0-100mm; B:0-200mm; C:0-300mm; D:0-400mm; E:0-500mm; F:0-600mm; G:0-700mm; H:0-800mm; I:0-900mm; J:0-1000mm; K:0-1200mm; L:0-1500mm; M:0-2000mm; N:0-3000mm; O:0-4000mm; P:0-5000mm;
Protection Tube Outer Diameter

A:10mm; B:12mm; C:14mm; D:16mm; E:Customized;
Process Connection Size

A:DN20; B:DN25; C:DN32; D:DN40; E:DN50; F:DN65; G:DN80; H:DN100; V:M20×1.5; P:1/2NPT; S:G1/2; Z:Other;
Explosion-Proof Rating

A:Standard; B:EX Explosion-proof; C:EX Intrinsically Safe;
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