Vertical Water Level Sensor Float Switch

💧 Vertical float switch for water level detection
🔁 Simple ON/OFF output—acts like a basic switch
🧲 Magnetic reed switch inside for reliable triggering
🛠️ Easy tank mounting with vertical installation
🚰 Ideal for water tanks, sump pumps, and overflow protection
🔌 Works with Arduino/PLC using pull-up or pull-down wiring
🛡️ Corrosion-resistant design for long-term use
✅ Great for automatic filling/draining control systems

SKU: EK1882 Category: Sensors Tag: Sensors

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Description

The Vertical Water Level Sensor Float Switch is a reliable device for detecting water levels in tanks, reservoirs, and other liquid containers. It uses a floating mechanism to detect the presence or absence of water, making it ideal for automatic pumps, alarms, and water control systems. Its vertical design allows for accurate level detection and easy installation in narrow or deep tanks.

Features

Vertical float design for precise water level detection
Simple on/off operation for pumps, alarms, and control circuits
Durable and corrosion-resistant material for long-lasting use
Compact and easy to install in tanks and containers
No external power required — works with dry contact switches
Wide application: water tanks, aquariums, fountains, sump pumps

Specifications

Type: Vertical Float Switch
Operation: Normally Open (NO) or Normally Closed (NC) contact
Material: Plastic body with stainless steel or brass internal contacts
Cable Length: Typically 1 m (varies by model)
Switch Current Rating: 10A @ 250V AC / 15A @ 125V AC (typical)
Mounting Style: Vertical immersion in liquid
Operating Temperature: -10°C to 80°C (typical)
Applications: Water level detection, pump control, liquid alarms, automation

🔌

Pin Connections

1 Table

Pin Connections Table 1

Board	Sensor Pin	Connection
Float Switch	Wire 1/Wire 2	board digital pin (INPUT_PULLUP) / GND

📟

Vertical Water Level Sensor Float Switch

7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico

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Vertical Water Level Sensor Float Switch - Arduino Uno

Vertical Water Level Sensor Float Switch - Arduino Nano

Vertical Water Level Sensor Float Switch - Arduino Mega

Vertical Water Level Sensor Float Switch - ESP32

Vertical Water Level Sensor Float Switch - ESP8266

Vertical Water Level Sensor Float Switch - STM32

Vertical Water Level Sensor Float Switch - Raspberry Pi Pico

📄 File: vertical_water_level_sensor_float_switch_-_arduino_uno.inoArduino Uno

418 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital pin 2 on Arduino Uno, using the internal pull-up (no external resistor needed)

6#define FLOAT_PIN 2

8void setup() {

9 Serial.begin(115200);

10 pinMode(FLOAT_PIN, INPUT_PULLUP);

11}

13void loop() {

14 int state = digitalRead(FLOAT_PIN);

15 Serial.println(state == LOW ? "Water level reached (switch closed)" : "Below level (switch open)");

16 delay(500);

17}

📄 File: vertical_water_level_sensor_float_switch_-_arduino_nano.inoArduino Nano

419 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital pin 2 on Arduino Nano, using the internal pull-up (no external resistor needed)

6#define FLOAT_PIN 2

8void setup() {

9 Serial.begin(115200);

10 pinMode(FLOAT_PIN, INPUT_PULLUP);

11}

13void loop() {

14 int state = digitalRead(FLOAT_PIN);

15 Serial.println(state == LOW ? "Water level reached (switch closed)" : "Below level (switch open)");

16 delay(500);

17}

📄 File: vertical_water_level_sensor_float_switch_-_arduino_mega.inoArduino Mega

419 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital pin 2 on Arduino Mega, using the internal pull-up (no external resistor needed)

6#define FLOAT_PIN 2

8void setup() {

9 Serial.begin(115200);

10 pinMode(FLOAT_PIN, INPUT_PULLUP);

11}

13void loop() {

14 int state = digitalRead(FLOAT_PIN);

15 Serial.println(state == LOW ? "Water level reached (switch closed)" : "Below level (switch open)");

16 delay(500);

17}

📄 File: vertical_water_level_sensor_float_switch_-_esp32.inoESP32

412 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital pin 4 on ESP32, using the internal pull-up (no external resistor needed)

6#define FLOAT_PIN 4

8void setup() {

9 Serial.begin(115200);

10 pinMode(FLOAT_PIN, INPUT_PULLUP);

11}

13void loop() {

14 int state = digitalRead(FLOAT_PIN);

15 Serial.println(state == LOW ? "Water level reached (switch closed)" : "Below level (switch open)");

16 delay(500);

17}

📄 File: vertical_water_level_sensor_float_switch_-_esp8266.inoESP8266

416 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital pin D4 on ESP8266, using the internal pull-up (no external resistor needed)

6#define FLOAT_PIN D4

8void setup() {

9 Serial.begin(115200);

10 pinMode(FLOAT_PIN, INPUT_PULLUP);

11}

13void loop() {

14 int state = digitalRead(FLOAT_PIN);

15 Serial.println(state == LOW ? "Water level reached (switch closed)" : "Below level (switch open)");

16 delay(500);

17}

📄 File: vertical_water_level_sensor_float_switch_-_stm32.inoSTM32

416 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital pin PB4 on STM32, using the internal pull-up (no external resistor needed)

6#define FLOAT_PIN PB4

8void setup() {

9 Serial.begin(115200);

10 pinMode(FLOAT_PIN, INPUT_PULLUP);

11}

13void loop() {

14 int state = digitalRead(FLOAT_PIN);

15 Serial.println(state == LOW ? "Water level reached (switch closed)" : "Below level (switch open)");

16 delay(500);

17}

📄 File: vertical_water_level_sensor_float_switch_-_raspberry_pi_pico.inoRaspberry Pi Pico

424 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital pin 2 on Raspberry Pi Pico, using the internal pull-up (no external resistor needed)

6#define FLOAT_PIN 2

8void setup() {

9 Serial.begin(115200);

10 pinMode(FLOAT_PIN, INPUT_PULLUP);

11}

13void loop() {

14 int state = digitalRead(FLOAT_PIN);

15 Serial.println(state == LOW ? "Water level reached (switch closed)" : "Below level (switch open)");

16 delay(500);

17}

Project Notes:

Mechanical float switch - simple digital contact closure.

Specification

WeightWeight	10 g
Dimensions	5 × 1,7 × 1,7 cm
Product Name	Vertical Water Level Sensor Float Switch
Sensor Type	Float Switch
Mounting Orientation	Vertical
Switch Type	Magnetic Reed Switch
Output Type	Digital (ON/OFF)
Operating Voltage	Up to 100V
Operating Current	Up to 0.5A
Contact Type	Normally Open / Normally Closed (Reversible)
Material	Plastic (PP)
Operating Temperature	-10°C to +85°C
Waterproof	Yes
Application	Water Level Detection, Tanks, Pumps Control, Liquid Level Monitoring