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Compel Groupgroup

Sensor Accessories

7 products available

Sensor accessories provide the physical mounting, environmental protection, and signal conditioning hardware required to deploy instrumentation across industrial machinery. Plant electricians and instrumentation engineers depend on these components to keep process signals steady in tough factory settings. Compel stocks mechanical hardware, protective sleeves, optical reflector plates, and interface boards for industrial facilities. Our inventory covers equipment for packaging lines, automated material handling, agricultural soil testing, and electronic scales.

Specifying the correct accessory prevents signal drift and mechanical damage during continuous plant operation. Compel supports commercial operations with verified technical specifications, dependable bulk delivery, and prompt shipping. You receive exact matching parts for plant machines on schedule, keeping your automation and monitoring systems fully operational across every shift. Our trade support team helps you locate matching sleeves, amplifiers, or mounting brackets quickly.

7 products in Sensor Accessories

An AC110-240V LED automatic human body infrared IR sensor bracket with an E27 base.

Sensor Accessories

Motion Sensor Bracket | Automatic IR Lamp Holder | 110-240V AC

TBS-06471ACCS-00607
£14.99
45-in-1 Sensors Modules Starter Kit for Arduino Raspberry Pi, including a humidity sensor, better than 37-in-1, with storage box.

Sensor Accessories

Arduino Raspberry Pi Sensor Kit (45pc) | Modules for UNO R3 MEGA2560

TBS-06435ACCS-00606
£42.99
A Bending Strain Gauge Amplifier Module Y3, a compact device for processing signals from weighing sensors.

Sensor Accessories

Bending Strain Gauge Amplifier Module | Sensor Accessories UK

TBS-06424ACCS-00605
£4.99
HX711 load cell AD weight pressure sensor module with 24-bit display for electronic scales.

Sensor Accessories

Load Cell ADC Module | 24-Bit HX711 Sensor Accessory

TBS-06377ACCS-00604
£4.99
A collection of PT100 sensor stainless steel blind protection sleeves, ideal for temperature measurement.

Sensor Accessories

Sensor Protection Sleeve | Stainless Steel Blind Tube | 6mm

TBS-06221ACCS-00602
£46.99
A collection of round photoelectric sensor mirror reflector plates, ranging in size from TD-02 to TD-09.

Sensor Accessories

Reflector Plate | Photoelectric Sensor Accessory | TD Series

TBS-06253ACCS-00603
£11.99
A 7-in-1 soil sensor, similar to a fibre optic sensor, measures moisture, temperature, humidity, EC, pH, and NPK levels for precision agriculture.

Sensor Accessories

Soil Moisture NPK Sensor | 7-in-1 Agricultural Probe Accessory

TBS-06076ACCS-00601
£25.99

Selecting a Load Cell Amplifier or Strain Gauge Amplifier

Raw bridge signals from weight and strain sensors require pre-amplification before entering a programmable logic controller or digital display. A load cell amplifier like the HX711 module uses a 24-bit analog-to-digital converter to capture microvolt changes. For communications, look at the output protocol. HX711 modules support Type-C, TTL, or Modbus RTU connections for weighing instruments and electronic scales.

For structural monitoring, a strain gauge amplifier converts physical deflection into a clean analog voltage output. Matching your input supply is necessary. Standard strain boards accept 5-12V DC input and operate across a -20 to 80 °C temperature range.

  • HX711 Load Cell Module: 24-bit resolution with TTL, Type-C, or Modbus RTU output for scale integration.
  • Strain Gauge Amplifier: Accepts 5-12V DC input and provides analog voltage output from -20 to 80 °C.

Choosing Sensor Protection Sleeves and Thermowell Pockets

Direct contact with process fluids or abrasive media damages sensitive probes. A blind protection sleeve or thermowell pocket isolates the sensor while conducting heat to the internal probe. Stainless steel sleeves withstand washdown and mechanical impact in pipework. Stainless steel blind tubes with a 6mm outer diameter fit PT100 and DS18B20 temperature elements.

Material choice determines service life in harsh conditions. Stainless steel provides mechanical strength for process lines. Plastic housings suit agricultural soil testing where probe bodies face continuous ground moisture. Check operating parameters like the -20°C to 60°C temperature limit on plastic soil probes running on 12-24V DC power supplies.

  • Stainless Steel PT100 Sensor Sleeve: 6 mm x 30 mm and 6 mm x 50 mm blind tubes for PT100 and DS18B20 probes.
  • Soil Moisture NPK Sensor: Plastic probe housing with 2m cable, powered by 12-24V DC for soil testing.

Mounting Hardware, Optical Targets, and Sensor Modules

Proper physical alignment prevents false triggers in automated machinery. A dedicated sensor mounting bracket secures detection hardware relative to moving machinery targets. Motion sensor brackets configured as automatic IR lamp holders take AC 110-240V line power and fit an E27 base. For optical switches, pair reflective sensors with a TD Series plastic reflector plate. Detection ranges span 2m, 3m, 5m, 6m, 8m, and 9m depending on the optical head, using standard NPN/PNP signal configurations.

Bench testing and custom circuit mockups benefit from boxed sensor modules. An arduino sensor kit compatible with Arduino, Raspberry Pi, UNO R3, and MEGA2560 provides modular humidity and environmental inputs. These kits let technicians validate circuit logic before hardwiring field hardware.

  • Photoelectric Reflector Plate: Plastic reflective target matching NPN/PNP sensors with detection ranges up to 9m.
  • Sensor Mounting Bracket: Automatic IR lamp holder operating on AC 110-240V with an E27 lamp base.
  • Prototyping Modules: Starter kit containing humidity sensor modules compatible with UNO R3 and MEGA2560.

Buying guide

Choosing Sensor Accessories

Which temperature probes fit a 6mm blind thermowell sleeve?
A 6mm outer diameter stainless steel blind tube accepts standard PT100 and DS18B20 temperature probes. Compel carries sleeve lengths including 6 mm x 30 mm and 6 mm x 50 mm. Always verify probe diameter and insertion depth to maintain proper thermal contact without bending internal elements.
What supply voltage and interface does an HX711 load cell amplifier require?
The HX711 load cell module provides 24-bit analog-to-digital resolution for weighing instruments and electronic scales. It connects over Type-C, TTL, or Modbus RTU interfaces depending on your data collection setup. For bending strain gauge amplifier module units, supply 5-12V DC input across a -20 to 80 °C operating temperature span.
How do I select the right photoelectric sensor accessories for target detection?
Choose a TD Series plastic reflector plate matched to your optical switch beam pattern and sensing distance. Reflector plates support detection ranges of 2m, 3m, 5m, 6m, 8m, and 9m when paired with compatible NPN/PNP photoelectric heads. Longer detection spans require larger reflective surface areas to maintain optical alignment against machine vibration.
Can an arduino sensor kit be used for industrial instrumentation bench testing?
An arduino sensor kit containing sensor modules is suitable for control panel prototyping and proof-of-concept testing. Kits compatible with Arduino, Raspberry Pi, UNO R3, and MEGA2560 allow engineers to test humidity sensor logic and signal flow before hardwiring field transmitters. For permanent factory floor installation, switch to dedicated industrial probe housings and industrial terminal blocks.
When should I choose stainless steel over plastic sensor accessories?
Select stainless steel sensor accessories when installing probes into fluid lines or mechanical equipment requiring physical impact protection. Stainless steel PT100 sensor sleeve tubes protect against mechanical shock and process fluids. Choose plastic housings for agricultural soil testing or optical reflectors, such as soil probes operating at 12-24V DC in ground temperatures from -20°C to 60°C.