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Figaro PDEM Series Gas Sensor Evaluation Modules

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Pre-Calibrated Prototyping for 11 Sensor Types

Accelerate your gas sensing prototypes with the Figaro PDEM Series Evaluation Modules: a complete family of ready-to-use, pre-calibrated boards designed for rapid evaluation of Figaro’s MOS, electrochemical (EC), catalytic, and NDIR sensors.

Each of the 11 modules comes factory-calibrated to its specific target gas, delivering real-time digital and analogue outputs for gas concentration (ppm or IAQ index), plus simultaneous temperature and humidity monitoring via an integrated Renesas HS4001 sensor.

Temperature and humidity compensation automatically corrects raw sensor signals, ensuring accurate, drift-resistant readings even in varying ambient conditions.

Dual interfaces (I2C digital and Pmod Type6A) plus analogue 0–3.3V output make integration straightforward, while full compatibility with Renesas Quick-Connect IoT platform lets you plug directly into modular prototyping ecosystems, combining sensors, MCUs, and wireless modules in minutes.

Whether testing toxic gas detection, indoor air quality, combustible leaks, or CO₂ monitoring, the PDEM Series eliminates guesswork and setup delays. Non-replaceable mounted sensors guarantee factory-level performance, low power (3.3VDC), and compact size (70 × 35 × 6.6 mm) for bench or field trials.

The Figaro PDEM series is Ideal for developers needing reliable data fast, without custom calibration or complex circuitry.

Typical Features

  • Pre-calibrated at the Figaro factory for immediate, accurate gas concentration output
  • Real-time monitoring of gas (ppm/IAQ), temperature (-40 °C to 125 °C), and humidity (0–100% RH)
  • Built-in temperature/humidity compensation via Renesas HS4001 sensor
  • Dual outputs: digital I2C and Pmod Type6A + analog 0–3.3V
  • Full compatibility with Renesas Quick-Connect IoT prototyping platform
  • Compact, low-power design (3.3VDC input, 0–40 °C operating range)
  • 11 specialised modules covering MOS, EC, catalytic, and NDIR technologies

Individual module list:

  • PDEM42-20: Measures NO₂ (nitrogen dioxide) – FECS42-20 EC sensor, 0–30 ppm
  • PDEM43-20: Measures SO₂ (sulphur dioxide) – FECS43-20 EC sensor, 0–30 ppm
  • PDEM44-100: Measures NH₃ (ammonia) – FECS44-100 EC sensor, 0–150 ppm
  • PDEM44-1000: Measures NH₃ (ammonia) – FECS44-1000 EC sensor, 0–1500 ppm
  • PDEM50-100: Measures H₂S (hydrogen sulphide) – FECS50-100 EC sensor, 0–150 ppm
  • PDEM5141: Measures CO (carbon monoxide) – TGS5141 EC sensor, 0–1500 ppm
  • PDEM2600: Measures IAQ (indoor air quality index) – TGS2600 MOS sensor, Index 0–500. Particularly responsive to cigarette smoke, hydrogen (H₂), carbon monoxide (CO), and other broad pollutants at low concentrations
  • PDEM2602: Measures IAQ (indoor air quality index) – TGS2602 MOS sensor, Index 0–500. Strong response to solvents, alcohols (e.g. ethanol), toluene, and other organic vapours/odours
  • PDEM2603: Measures IAQ (indoor air quality index) – TGS2603 MOS sensor, Index 0–500. Especially tuned for bad smells (e.g. toilet odours, rotten food, body odour, sewer gases) and related low-level pollutants
  • PDEM6810: Measures CH₄ (methane) and H₂ (hydrogen) – TGS6810 catalytic sensor, 0–10000 ppm
  • PDEM7162: Measures CO₂ (carbon dioxide) – CDM7162 NDIR sensor, 0–5000 ppm

Typical Applications

  • Rapid prototyping and proof-of-concept for gas detection systems
  • Indoor air quality (IAQ) evaluation in smart buildings and HVAC
  • Toxic gas monitoring (NO₂, SO₂, NH₃, H₂S, CO) in industrial safety
  • Combustible gas detection (CH₄, H₂) in energy, mining, and process industries
  • CO₂ monitoring for ventilation control and greenhouses
  • Integration into Renesas Quick-Connect IoT setups for wireless sensor networks
  • Bench testing and R&D in environmental, emissions, and battery production monitoring
  • Pre-deployment validation for OEM and system integrator projects

Auxiliary Modules

Accessories

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