Platinum-Series-Hydrocarbon-Sensor

Supported Applications

The Dynament Platinum Series Hydrocarbon Sensor is designed for the detection and measurement of hydrocarbon gases in the % volume range. The series provides linearized, temperature-compensated output containing all necessary optics, electronics, and firmware within a compact form factor. Documented applications include direct pellistor replacement scenarios.

Available certifications support deployment in specific environments:

• Industrial Ex d IIC Certified
• Mining M1 Certified
• UL Approved
• SIL1 (EN50271/SIL1)
• FSP 14002/01

The series is also offered in Non-Certified versions and includes low-power options as well as EN50271 / SIL1 certified software versions.

Operating Conditions & Performance

Sensors operate within a voltage range of 3.0-5.0 VDC with power consumption varying by configuration: Low Power 2 (8mA/24mW), Low Power (15mA/45mW), Regular Power (80mA/240mW), and High Power (140mA/420mW) at 3VDC. Accuracy is specified as ±2% at 20°C, 1 bar atmospheric pressure with calibration gas applied.

Performance parameters include:

• Response Time: T50 <10s and T90 <30s
• Warm-up time: Approximately 1 minute to final zero ±2% full-scale (some sensors may take longer)
• Humidity Range: 0 to 95% RH non-condensing
• Pressure Limits: Accuracy limits maintained at pressures within ±5% of calibration pressure
• MTBF: >5 years

Ambient temperature ranges are available in two configurations: Standard (-20°C to +50°C / -4°F to +122°F) and Extended (XTR) (-40°C to +75°C / -40°F to +167°F). Temperature performance is defined as ±0.1% vol or ±10% of applied gas up to 50% full scale, ±15% of applied gas from 50% to 100% full scale, or 2% of full scale, whichever is greater.

Repeatability and Resolution

Span repeatability varies by range: For 0-5% vol. CH4 (±0.1% vol.), 0-100% vol. CH4 (±2% vol.), 0-2% vol. C3H8 (±0.06% vol.), and 0-100% vol. C3H8 (±2% vol.). Zero repeatability for Low Range HC is ±0.05% vol. CH4 or ±0.03% vol. C3H8; High Range HC zero repeatability is ±1% vol. C3H8.

Resolution specifications include 0.01% for 0-5% methane, 0.1% for 5-100% methane, 0.01% for 0-2% propane, and 0.1% for 0-100% propane.

Configuration Options

The series supports multiple measurement ranges including single-gas configurations for Methane (CH4) and Propane (C3H8), as well as dual-gas combinations:

• Methane Ranges: 0-5% volume, 0-100% volume, or combined 0-5-100% volume
• Propane Ranges: 0-2% volume or 0-100% volume
• Dual-Gas Range: 0-5-100% vol. CH4 and 0-2% Vol. C3H8

The sensor features a digital output (floating point and binary) with an industry standard analog option of 0.4 to 2 volts. Electrical connection is provided via a 4-pin connector labeled: 1. TXD, 2. GND, 3. VCC, 4. RXD.

Configuration options include:

• User configurable using USB powered Premier Configuration Unit
• Manual calibration option without digital commands
• Output scaling in % volume or % Full Scale
• Internal Flash memory for sensor firmware updates via configuration unit
• Enhanced EMC protection

Digital signal format is 8 data bits, 1 stop bit, no parity, at a 2.8V logic level with standard baud rates of 38,400 / 19,200 / 9,600 / 4,800.

Key Product Differences

The Platinum Series is available in distinct power and certification configurations. Power variants include Low Power 2, Low Power, Regular Power, and High Power options to suit different system requirements. Certification levels differentiate between Industrial Ex d IIC Certified, Mining M1 Certified, UL Approved, SIL1 certified software versions, and Non-Certified models.

Temperature range variations are designated as Standard or Extended (XTR). The physical dimensions for the sensor body are a diameter of 20mm and a height of 16.60mm.