If you need any help, please feel free to contact us
If you have any further questions, please call +86-021-37566990 or fill out the inquiry form.
Product 3D Image Get couponsLF100B series tuning fork type material level limit switch is a kind of universal material level limit switch. Inspired by piezoelectric crystal a tuning fork produces an oscillation, when the tuning fork is liquid or solid immersion vibration frequency change, change the frequency by the electronic circuit electric parameters detected from the media and the turbulent, agitation, bubble, vibration, the influence of such factors as no moving parts, so no maintenance amount adjustment, is the ideal choice of the material level switch under complicated conditions.
- This tuning fork has a self-check function, on the one hand, it is to overcome the phenomenon of vibration absorption after the fork is installed in the barrel wall, on the other hand, it is to prevent noise interference and avoid misoperation.
- The factory set value of the product is the density of water (1g/cm ³), which is used as the benchmark for state switching. When the density of the substance to be tested is greater than or equal to 1g/cm³ , it can be used normally without relearning. When the density of the object to be tested is less than 1g/cm³ , the detection Settings need to be re-conducted.
supply voltage | 19…60VDC 50/60Hz | |||
switching time | About 2 seconds when covered with medium, about 3 seconds when no medium |
|||
environment temperature |
-40…+80℃ | |||
storage temperature |
-40…+85℃ | |||
medium temperature |
-40…+150℃ | |||
operating pressure |
-1…+40bar | |||
The material being tested |
Powder and particle =10mm, density >0.1g/cm³ |
|||
Liquid, viscosity =10000mm2/s, density >0.7g/cm³ |
||||
connection type | G1-N11* | |||
electrical interface |
M12 x P1.0 connector | |||
shell material | Stainless steel S304 | |||
The fork body material Fork material |
Stainless steel S304/ Stainless steel S316 | |||
output modeOutput |
Relay output, Load DC60V / 4 a |
|||
Open collector (NPN) output, negative 400mA |
||||
Open collector (PNP) output, negative 400mA |
||||
power dissipation | DC power supply 0.25W AC power supply 1.5W |
LF100B- | A | 3 | S | 1 | B | X | specification | |||||
LF100B- | LF100B small tuning fork (liquid) level switch |
|||||||||||
A | The normal temperature models | |||||||||||
B | High temperature models | |||||||||||
1 | PNPoutput | |||||||||||
2 | NPNoutput | |||||||||||
3 | relay output | |||||||||||
S | M12 x 1 connector | |||||||||||
1 | Power supply: 24V DC | |||||||||||
A | G1 "female thread connection | |||||||||||
B | G1/2 female thread connection | |||||||||||
C | flanged joint | |||||||||||
X | Fork material: 304 stainless steel | |||||||||||
XL | Fork material: 316L stainless steel | |||||||||||
A | Standard tuning fork L=40 mm | |||||||||||
B | Standard tuning fork L=60 mm | |||||||||||
C | Standard tuning fork L=100 mm | |||||||||||
L.. | Extended tuning fork L= mm | |||||||||||
* The type selection table is only for technical selection, and the corresponding type of the factory model is reflected by the code. |
- When installing, the switch can be installed at an Angle of 15-20 degrees horizontally down to reduce the impact of materials and the occurrence of hanging material.
- Installation should be possible away from the tank inlet to avoid material impact and false alarm. If unavoidable, a baffle should be installed between the feed port and the material level.
- The outlet of the terminal box must be facing down, and the fixing nut of the outlet of the power cable must be locked.
- When working in the tank, do not use vibrators to climb or hang any ropes or objects.