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Tuning Fork Level Switch
说明及特点:

(1) Reasonable design of tines and precisely adjusted of fork resonant frequency. LSF03 can be used  in light powders and flakes with bulk densities as low as 0.008g/cm³. 

(2) Particularly suits for level measurement of powdery, fine-grained bulk solids, can effectively avoid  buildup. 

(3) Industry-leading performance for high temperature industrial environments, can tolerate process  temperature up to 250

(4) Strong self-diagnostic function helps to accurately locate the fault. 

(5) Easy installation and maintenance free. 

(6) Made of strong corrosion resistant material 316L.

应用范围:

(1) EPP and EPS processes in foam molding machines and plastic forming machines.

(2) Zircon sand and petroleum coke.

(3) Ultra-low density particles and powders.

(4) After spraying PTFE on the fork, it is especially suitable for fumed silica level measurement

Housing 

Aluminum die-casting housing:ADC-12 

Ground terminal:316L 

Seal 

Seal between housing and housing cover:silicone  

Process fitting 

Thread:316L  

Flange:316L 

Probe 

Tuning:fork316L 

Extension tube:316L 

Temperature extension tube:316L 

Instrument weight:0.8 ~ 4KG 

Measuring frequency approx:140 Hz 

Ambient conditions 

Ambient temperature on the housing:-40~80℃ 

Storage and transport temperature:-40~80℃ 

Process conditions 

Process pressure:-1~25bar  

Process temperature(Normal temperature):-50~150℃ 

Process temperature(High temperature) -50~250℃ 

Sensitivity switch (The lowest density) 

High density:≥0.02g/cm³  

Low density:≥0.008 g/cm³  

Switch Mode 

High:overfill protection  

Low:dry run protection  

Switching delay 

When immersed:0.5S 

When laid bare:1S 

Output  :Electronics Relay (DPDT), Two-wire 

Operating voltage 

Relay:20~253VAC/20 ~ 72VDC 

Breaking capacity: Min 50Mw  Max 750VA AC, 54W DC Two-wire 10~36VDC 

Cable entry/plug 

Cable entry M20×1.5,1/2NPT 

Plug M20×1.5,1/2NPT

Electrical protective measures 

Protection rating:IP66/67 

Overvoltage category:III 

Protection class 

Relay I 

Two-wire II

Tool