BF120-3AA Precision Strain Gauges (120Ω) for Load Cells - Ekostra Electronics In Egypt اكوسترا الكترونيكس

BF120-3AA Precision Strain Gauges (120Ω) for Load Cells

  • 120Ω high-accuracy foil strain gauge
  • Gauge factor: 2.0 ± 1% for precise signal output
  • Compact 3×5mm grid for easy mounting
  • Wide temperature range: -20°C to +80°C
  • Stable, durable build suitable for long-term engineering use
SKU: EK1689 Categories: , Tags: ,

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Description

High-accuracy BF120-3AA strain gauges designed for load cell applications. Provides reliable and precise strain measurements in various engineering and testing scenarios. Ideal for mechanical stress analysis and load monitoring systems.

Specifications

  • Resistance: 120Ω
  • Type: Precision strain gauge
  • Model: BF120-3AA
  • Material: High-quality foil
  • Gauge Factor: 2.0 ± 1%
  • Temperature Range: -20°C to +80°C
  • Dimensions: 3mm x 5mm grid size (typical)

Features

  • High precision and sensitivity
  • Stable performance under varying conditions
  • Compact design for easy integration
  • Compatible with load cells and testing equipment
  • Excellent thermal stability for consistent results
  • Durable construction for long-term use
🔌
Pin Connections
1 Table
Pin Connections Table 1
BoardSensor PinConnection
Strain Gaugeto bridge -> HX711wire into a Wheatstone bridge, then HX711 E+/E-/A+/A-
📟
BF120-3AA Precision Strain Gauges (120Ohm) for Load Cells
7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico
BF120-3AA Precision Strain Gauges (120Ohm) for Load Cells - Arduino Uno
BF120-3AA Precision Strain Gauges (120Ohm) for Load Cells - Arduino Nano
BF120-3AA Precision Strain Gauges (120Ohm) for Load Cells - Arduino Mega
BF120-3AA Precision Strain Gauges (120Ohm) for Load Cells - ESP32
BF120-3AA Precision Strain Gauges (120Ohm) for Load Cells - ESP8266
BF120-3AA Precision Strain Gauges (120Ohm) for Load Cells - STM32
BF120-3AA Precision Strain Gauges (120Ohm) for Load Cells - Raspberry Pi Pico
📄 File: bf120-3aa_precision_strain_gauges_(120ohm)_for_load_cells_-_arduino_uno.inoArduino Uno
438 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DT=3, SCK=2 on Arduino Uno
6#include <HX711.h>
7
8#define LOADCELL_DOUT_PIN 3
9#define LOADCELL_SCK_PIN 2
10
11HX711 scale;
12
13void setup() {
14 Serial.begin(115200);
15 scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
16 scale.set_scale();
17 scale.tare();
18}
19
20void loop() {
21 if (scale.is_ready()) {
22 Serial.print("Reading: "); Serial.println(scale.get_units(10));
23 }
24 delay(300);
25}
📄 File: bf120-3aa_precision_strain_gauges_(120ohm)_for_load_cells_-_arduino_nano.inoArduino Nano
439 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DT=3, SCK=2 on Arduino Nano
6#include <HX711.h>
7
8#define LOADCELL_DOUT_PIN 3
9#define LOADCELL_SCK_PIN 2
10
11HX711 scale;
12
13void setup() {
14 Serial.begin(115200);
15 scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
16 scale.set_scale();
17 scale.tare();
18}
19
20void loop() {
21 if (scale.is_ready()) {
22 Serial.print("Reading: "); Serial.println(scale.get_units(10));
23 }
24 delay(300);
25}
📄 File: bf120-3aa_precision_strain_gauges_(120ohm)_for_load_cells_-_arduino_mega.inoArduino Mega
439 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DT=3, SCK=2 on Arduino Mega
6#include <HX711.h>
7
8#define LOADCELL_DOUT_PIN 3
9#define LOADCELL_SCK_PIN 2
10
11HX711 scale;
12
13void setup() {
14 Serial.begin(115200);
15 scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
16 scale.set_scale();
17 scale.tare();
18}
19
20void loop() {
21 if (scale.is_ready()) {
22 Serial.print("Reading: "); Serial.println(scale.get_units(10));
23 }
24 delay(300);
25}
📄 File: bf120-3aa_precision_strain_gauges_(120ohm)_for_load_cells_-_esp32.inoESP32
434 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DT=16, SCK=4 on ESP32
6#include <HX711.h>
7
8#define LOADCELL_DOUT_PIN 16
9#define LOADCELL_SCK_PIN 4
10
11HX711 scale;
12
13void setup() {
14 Serial.begin(115200);
15 scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
16 scale.set_scale();
17 scale.tare();
18}
19
20void loop() {
21 if (scale.is_ready()) {
22 Serial.print("Reading: "); Serial.println(scale.get_units(10));
23 }
24 delay(300);
25}
📄 File: bf120-3aa_precision_strain_gauges_(120ohm)_for_load_cells_-_esp8266.inoESP8266
438 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DT=D2, SCK=D1 on ESP8266
6#include <HX711.h>
7
8#define LOADCELL_DOUT_PIN D2
9#define LOADCELL_SCK_PIN D1
10
11HX711 scale;
12
13void setup() {
14 Serial.begin(115200);
15 scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
16 scale.set_scale();
17 scale.tare();
18}
19
20void loop() {
21 if (scale.is_ready()) {
22 Serial.print("Reading: "); Serial.println(scale.get_units(10));
23 }
24 delay(300);
25}
📄 File: bf120-3aa_precision_strain_gauges_(120ohm)_for_load_cells_-_stm32.inoSTM32
440 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DT=PB6, SCK=PB7 on STM32
6#include <HX711.h>
7
8#define LOADCELL_DOUT_PIN PB6
9#define LOADCELL_SCK_PIN PB7
10
11HX711 scale;
12
13void setup() {
14 Serial.begin(115200);
15 scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
16 scale.set_scale();
17 scale.tare();
18}
19
20void loop() {
21 if (scale.is_ready()) {
22 Serial.print("Reading: "); Serial.println(scale.get_units(10));
23 }
24 delay(300);
25}
📄 File: bf120-3aa_precision_strain_gauges_(120ohm)_for_load_cells_-_raspberry_pi_pico.inoRaspberry Pi Pico
444 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DT=6, SCK=7 on Raspberry Pi Pico
6#include <HX711.h>
7
8#define LOADCELL_DOUT_PIN 6
9#define LOADCELL_SCK_PIN 7
10
11HX711 scale;
12
13void setup() {
14 Serial.begin(115200);
15 scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
16 scale.set_scale();
17 scale.tare();
18}
19
20void loop() {
21 if (scale.is_ready()) {
22 Serial.print("Reading: "); Serial.println(scale.get_units(10));
23 }
24 delay(300);
25}
Bare strain gauge - typically built into a Wheatstone bridge and read via an HX711 amplifier, same as a load cell.
HX711 (bogde)GitHub
All copy right for ekostra.com

نظرة عامة ومواصفات المنتج — بالعربية

BF120-3AA Precision Strain Gauges (120Ω) for Load Cells متوفر الآن في متجر إكوسترا للإلكترونيات، ضمن قسم Load / Pressure / Force / Flex Sensor وSensors، بسعر 50,00 EGP. كود المنتج لدينا: EK1689. المنتج متوفر في المخزون وجاهز للشحن الفوري لكل محافظات مصر مع إمكانية الدفع عند الاستلام.

أهم المواصفات الفنية:

  • Type: Strain Gauge
  • الموديل: BF120-3AA
  • Resistance: 120 Ω
  • Gauge Factor: 2.0 ± 1% (typical)
  • Accuracy: High Precision / Low Tolerance
  • Operating Voltage: 5–10 V DC (typical excitation)
  • Temperature Coefficient: <50 ppm/°C
  • Adhesive Type: Conductive or Epoxy (depending on variant)

هذا المنتج مناسب لمشاريع الأردوينو (Arduino) و ESP32 و Raspberry Pi، ومشاريع الروبوتات وإنترنت الأشياء والتعليم الهندسي. جميع القطع مفحوصة قبل الشحن.

تصفّح المزيد من Load / Pressure / Force / Flex Sensor في إكوسترا.

Specification

Specification

WeightWeight6 g
Dimensions1,2 × 0,3 × 0,02 cm
TypeStrain Gauge
ModelBF120-3AA
Resistance120 Ω
Gauge Factor2.0 ± 1% (typical)
AccuracyHigh Precision / Low Tolerance
Operating Voltage5–10 V DC (typical excitation)
Temperature Coefficient<50 ppm/°C
Adhesive TypeConductive or Epoxy (depending on variant)
Substrate MaterialPolyimide / Flexible Film
ApplicationsLoad Cells, Force Measurement, Pressure Sensing, Structural Monitoring, DIY Electronics / Robotics
Package Contents1× BF120-3AA Precision Strain Gauge (120Ω)

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