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SENSORS FOR SEMICONDUCTOR INDUSTRY
EX-F1SERIES
Pipe-mountable Liquid Level Detection Sensor
Amplifier Built-in
FD-F4 /F9 FD-F8Y EX-F1 Liquid Leak / Liquid Level Sensing
Reliable liquid level detection with amplifier built-in low-priced sensor
FT-Z8Y Chemical-resistant
Conforming to EMC Directive
Space-saving amplifier built-in type
EX-F1 amplifier built-in sensor saves space as there is no need to install a separate amplifier.
Low price
EX-F1 is very cost-effective.
Easily mountable and adjustable
Just attach it on a pipe with the tying bands. The position can be easily changed with the release lever even after mounting, so that there is no need to cut the tying bands.
Release lever
Other Products
Position adjustable
Easy to check operation Indicator
The operation can be checked at a glance from different directions.
Operation mode switch
Either Light-ON or Dark-ON can be selected by a switch. This is useful to check the operation during installation because it forces the output to be turned ON or OFF even without the liquid being inside the pipe.
Operation indicator (Red) Lights up when the output is ON.
(
)
608
APPLICATIONS
Detecting liquid level in a tank
Principle of Detection
When the pipe is empty, the beam is reflected from the inner surface of the pipe wall and returns to the beamreceiving part, since the difference in the refractive indexes of the pipe and air is large. When there is liquid in the pipe, the beam enters the liquid through the wall and does not return to the beamreceiving part, since the difference in the refractive indexes of the pipe and the liquid is small.
EX-F1

The beam reflected from the inner surface of the pipe wall returns to the beam-receiving part.
The beam passes through the wall into the liquid.
ORDER GUIDE
Type
Appearance
Sensing object
Applicable pipe diameter
Model No.
Amplifier Built-in Pipe-mountable 5 m 16.404 ft cable length type
Liquid (Note 1)
PFA (Fluorine resin) or equivalently transparent pipe, wall thickness 1 mm 0.039 in
Outer dia."6 to "13 mm "0.236 to "0.512 in
EX-F1
(Note 2)
EX-F1-C5
Notes: 1) Unclear or highly viscous liquid may not be detected stably. 2) Do not use the sensor with pipes other than the above specified.
609
Other Products
Chemical-resistant FT-Z8Y
Liquid Leak / Liquid Level Sensing FD-F4 /F9 FD-F8Y EX-F1
SENSORS FOR SEMICONDUCTOR INDUSTRY
EX-F1
SENSORS FOR SEMICONDUCTOR INDUSTRY
EX-F1
SPECIFICATIONS
Type Item
Sensing object
Amplifier built-in * Pipe-mountable EX-F1
Liquid (Note 1) Outer dia. "6 to "13 mm "0.236 to "0.512 in transparent pipe [PFA (Fluorine resin) or equivalently transparent pipe, wall thickness 1 mm 0.039 in ] (Note 2) 0.5 mm 0.020 in or less 12 to 24 V DC 10 % Ripple P-P 10 % or less 30 mA or less NPN open-collector transistor * Maximum sink current: 100 mA * Applied voltage: 30 V DC or less (between output and 0 V) * Residual voltage: 1 V or less (at 100 mA sink current) 0.4 V or less (at 16 mA sink current) DC-12 or DC-13 Switchable either Light-ON (Liquid-absent-ON) or Dark-ON (Liquid-present-ON) Incorporated 2 ms or less Red LED (lights up when the output is ON) 3 (Industrial environment) 10 to 55 C 14 to 131 F (No dew condensation or icing allowed), Storage: 35 to 85 % RH, Storage: 35 to 85 % RH Sunlight: 10,000 #x at the light-receiving face, lncandescent light: 3,000 #x at the light-receiving face EN 50081-2, EN 50082-2, EN 60947-5-2 1,000 V AC for one min. between all supply terminals connected together and enclosure 20 M, or more, with 250 V DC megger between all supply terminals connected together and enclosure 10 to 150 Hz frequency, 0.75 mm 0.030 in amplitude in X, Y and Z directions for two hours each 100 m/s2 acceleration (10 G approx.) in X, Y and Z directions for five times each Infrared LED (modulated) Enclosure: Polycarbonate, Tying band: Nylon, Anti-slip tube: Silicone 0.1 mm2 3-core cabtyre cable, 1 m 3.281 ft long Extension up to total 50 m 164.042 ft is possible with 0.3 mm2, or more, cable. 15 g approx. Tying band: 2 pcs., Anti-slip tube: 2 pcs. 20 to 70 C 4 to 158 F
Model No.
FD-F4 /F9 FD-F8Y EX-F1 Liquid Leak / Liquid Level Sensing
Applicable pipe diameter Repeatability Supply voltage Current consumption
Output
Utilization category Output operation Short-circuit protection Response time Operation indicator
FT-Z8Y Chemical-resistant
Pollution degree Ambient temperature (Note 3) Environmental resistance Ambient humidity Ambient illuminance EMC Voltage withstandability Insulation resistance Vibration resistance Shock resistance Emitting element Material Cable Cable extension Weight Accessories
Other Products
Notes: 1) Unclear or highly viscous liquid may not be detected stably. 2) Do not use the sensor with pipes other than the above specified. 3) Liquid being detected should also be kept within the rated ambient temperature range.
I/O CIRCUIT AND WIRING DIAGRAMS
I/O circuit diagram
Color code D Sensor circuit ZD (Black) Output 100 mA max. Tr (Blue) 0 V Blue (Brown) V Load 12 to 24 V DC 10 % Black Brown Load 12 to 24 V DC 10 %
Wiring diagram
Internal circuit
Users' circuit
Symbols ... D : Reverse supply polarity protection diode ZD: Surge absorption zener diode Tr : NPN output transistor
610
PRECAUTIONS FOR PROPER USE
This product is not a safety sensor. Its use is not intended or designed to protect life and prevent body injury or property damage from dangerous parts of machinery. It is a normal object detection sensor. Mounting * Mount the sensor on a pipe with the attached tying bands and anti-slip tubes as shown in the figure below. Make sure that the release lever is retracted (position as in the figure) before mounting. Fasten two tying bands, as shown, and cut off the excess portions.
Anti-slip tube Upper side Tying band
Refer to p.1135l for general precautions.
Operation mode switch L: Light-ON (Liquid-absent-ON) D: Dark-ON (Liquid-present-ON)
* The indicator operation and the output operation change with the setting of the operation mode switch as given in the table below.
Release lever
Lower side
* If other tying bands are to be used, the dimension @ shown in the figure below should be 2.5 mm 0.098 in or less.
@
Liquid-absent Liquid-present : Lights up : Lights off
Position adjustment * After it is mounted on the pipe with tying bands, the sensor position can be easily adjusted.
Adjustment
MODE
Sensing condition Operation indicator Output operation
( (
Light-ON Liquid-absentON Dark-ON Liquid-presentON
) )
Liquid-present Liquid-absent Liquid-present Liquid-absent
OFF ON ON OFF
Press
3 Lock the release lever to its original place.
Release lever
Note: The lever mechanism must be used only to adjust the position, and not for tightening the tying bands. If tying bands are tightened while the lever is open, and then the lever is locked, the sensor may be damaged.
DIMENSIONS (Unit: mm in)
Beam axis 27 1.063 13 0.512 Beam axis 23 29 0.906 1.142
The CAD data in the dimensions can be downloaded from the SUNX website: http://www.sunx.co.jp/
13 0.512 8 0.315
Operation mode switch 4 0.157 15 0.591
Operation indicator (Red) "2.5 "0.098 cable,1 m 3.281 ft long
Position adjustable
2 Press the movable center holders forward to loosen the tying bands and adjust the position.
Loosen
Others * Do not use during the initial transient time (50 ms) after the power supply is switched on. * Do not use this sensor with a pipe which is not transparent. * Unclear or highly viscous liquid may not be detected. * Fit the sensor to the pipe securely, otherwise the operation may be erroneous. Outer Inner wall wall * Take care that no dew condenses Liquid drops on the pipe's sensing surface or the pipe's inside wall and that no bubble attaches on the pipe's inside wall, since it can affect the operation. Bubbles * If a liquid drop flows down across the sensing point or an air bubble sticks on the wall at the sensing point, the operation may be erroneous. Make sure that no bubble arises in the liquid, and that no dew or liquid drop is present on either surface of the pipe wall. * EX-F1 is not water-proof or chemical-resistant. Installation should be avoided at any place where it could come in direct contact with water or chemicals.
611
Other Products
1 Unlock the release lever (in the direction of the arrow).
Release lever
Chemical-resistant FT-Z8Y
Liquid Leak / Liquid Level Sensing FD-F4 /F9 FD-F8Y EX-F1
Selecting output operation * Either Light-ON (Liquidabsent-ON) or Dark-ON (Liquid-present-ON) can be selected with the operation mode switch according to your application.
Operation indicator (Red) Lights up when the output is ON
SENSORS FOR SEMICONDUCTOR INDUSTRY
EX-F1

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