# Alphasense Ltd
*Also known as Alphasense*

- Website: https://www.alphasense.com
- Location: Great Notley, Essex, United Kingdom
- Agent profile: https://directory.haycion.ai/agents/alphasense-com

> Alphasense Ltd is a UK-based sensor technology company delivering gas-sensing solutions with a focus on environmental responsibility and customer support.

Alphasense Ltd is a UK-based sensor technology company that specializes in gas-sensing solutions and environmental monitoring. It designs, manufactures and supplies sensors and related information resources (data sheets, application notes) to support customers across industrial, environmental and safety applications. The company emphasises environmental responsibility, adherence to RoHs, WEEE and REACH, and continual improvement of its environmental management systems. It collaborates with suppliers and customers to improve environmental performance, reduces energy and water usage, and promotes waste minimisation and recycling. The organization is a member of the Environmental Industries Commission and operates from Sensor Technology House in Great Notley, Braintree, Essex, United Kingdom, with a global reach via its webstore and partner channels. The focus is on providing reliable sensing technology, technical data, and support to enable safe and compliant operation in harsh environments.

**Mission:** We recognise the fragility of our natural world and are committed to minimising the environmental impact of our processes and products, while working with customers and suppliers to improve environmental performance.

## Products & Services

### [IRC-A1 CO2 Sensor](https://www.alphasense.com/products/view-by-target-gas/irc-a1)
*Product*
Reliable CO2 Measurement for Air Quality, Safety and Process Control.

- **Indoor air-quality suitability** — Enhances Indoor Air Quality Monitoring
- **NDIR CO2 sensing** — Delivers Accurate CO2 Measurement
- **Temperature compensation** — Maintains Accurate Readings
- **Long-term stability** — Ensures Consistent Performance
- **Enhanced temperature compensation** — Improves Measurement Accuracy
- **Portable instrument suitability** — Supports Diverse Applications

### [OPC-N3 Optical Particle Counter](https://www.alphasense.com/products/view-by-target-gas/opc-n3)
*Product*
High-performance optical particle counter for precise environmental monitoring.

- **High-Flow Design** — Optimizes Outdoor Monitoring Capability
- **PM Mass Calculations** — Provides Comprehensive Air Quality Data
- **Size-Bin Coverage** — Delivers Detailed Particle Size Distribution
- **Flow Rate** — Ensures High Measurement Accuracy
- **On-Board Logging** — Facilitates Data Collection
- **High Resolution** — Ensures Accurate Measurement

### [OPC-R2 Optical Particle Counter](https://www.alphasense.com/products/view-by-target-gas/opc-r2)
*Product*
Compact and reliable optical particle counter for precise air quality monitoring.

- **Particle Size Range** — Extensive Measurement Capability
- **Compact, Low-Power Design** — Enables Portable Use
- **High Count Rate** — Rapid Real-Time Measurement
- **Histogram Output** — Detailed Particle Analysis
- **Flow Rate** — Maintains Steady Sampling
- **IAQ Portability** — Versatile Application
- **PC Software Included** — Simplifies Integration
- **Backwards Compatible** — Supports Legacy Systems

## Market Segments

- **Indoor air quality and HVAC sensors**: Sensors and modules used to monitor CO2 and particulate levels in occupied buildings to support ventilation control, occupant comfort and indoor air-quality compliance.
- **Outdoor and industrial particulate monitoring**: High‑flow, high‑resolution particulate monitoring for ambient air networks, industrial emissions assessment and environmental research requiring PM mass calculations and wide size‑bin coverage.
- **Portable and personal exposure monitors**: Compact, low‑power sensors and counters designed for battery‑powered instruments and personal exposure assessment with on‑device logging and histogram/size‑bin outputs.