Upper limit switch parameters of ball level gauge

approachLevel gauge upper limit switch J8200-S10P/18working principle

1. When an object moves towards the proximity switch and approaches a certain distance, the displacement sensor will "sense" and the switch will act. This distance is usually referred to as the 'detection distance'. But the detection distance of different proximity switches is also different.

2. Sometimes the object being tested is moved towards the proximity switch one by one at a certain time interval, and then left one by one, repeating this process continuously.

3. Different proximity switches have different response capabilities to the detected object. This response characteristic is called "response frequency".

approachLevel gauge upper limit switch J8200-S10P/18structural form

1. According to their external shape, they can be divided into cylindrical, square, groove, perforated (through), and separated types.

2. The cylindrical type is easy to install, but its detection characteristics are the same. The detection part of the groove type is on the inside of the groove, used to detect objects passing through the groove.

3. Can be used to assemble small parts such as screws or balls and buoys into water level detection devices.

Technical Specifications

M12 M18 M18 M30 M30

Detection distance 3 mm ± 10% 5 mm ± 10% 10 mm ± 10% 10 mm ± 10% 18 mm ± 10%

Less than 15% of the detection distance should be missed

Detecting metal in objects

Detecting object metal 12 × 12 × 1mm metal 18 × 18 × 1mm

Metal 45 × 45 × 1mm

Metal 30 × 30 × 1mm

Metal 70 × 70 × 1mm

频率 1 kHz 0.5kHz 0.4kHz 0.25kHz 0.1kHz

Power supply voltage DC12-24V with a fluctuation of less than 10% (DC10-30V)

Consumption current below 0.8mA

Control output switch capacity 3-100mA

Residual voltage below 5V (when the load current is 100mA and the wire length is 2m)

Display Lamp Type 1: Action Display (Red), Setting Display (Green) Type 2: Action Display (Red)

Protection circuit pulse absorption, load short circuit protection

When operating at ambient temperature: -25~+250 ℃, when storing: -40~+260 ℃

Humidity 35-95% RH

The influence of temperature: When the temperature is+23 ℃, the detection distance is ± 15%

Voltage influence ± 15% rated power supply voltage range, ± 1% detection distance

Technical indicator testing
J8200-S10P/18 series proximity switch
2.1. Measurement of action distance; When the action piece approaches the sensing surface of the proximity switch from the front, the distance of the proximity switch's action should be the maximum action distance of the proximity switch, and the measured data should be within the parameter range of the product.
2.2. Determination of release distance; When the action piece moves away from the sensing surface of the proximity switch from the front and the switch switches from action to release, measure the large distance between the action piece and the sensing surface.
2.3. Determination of hysteresis H; The difference between the distance of the large action and the distance of the releaseValue.
2.4. Determination of action frequency; Use a speed regulating motor to drive a rubberwood disc, fix several steel plates on the disc, adjust the distance between the switch sensing surface and the action plate to about 80% of the switch action distance, rotate the disc in sequence to bring the action plate closer to the proximity switch, and install a speed measuring device on the disc spindle. The switch output signal is shaped and connected to a digital frequency meter. At this point, start the motor and gradually increase the speed. Under the condition that the product of the speed and the action piece is equal to the frequency count, the frequency meter can directly read the action frequency of the switch.
2.5. Determination of repeatability accuracy; Fix the action piece on the measuring tool, and control the movement speed at 0.1mm/s from the front of the switch sensing surface near the action area of the switch, beyond 120% of the switch action distance. When the switch is activated, read the reading on the measuring tool and then exit the action area to disconnect the switch. Repeat this process 10 times, then calculate the difference between the large and small values of the 10 measurements and the average of the 10 measurements. The larger difference is the repeatability error

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