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Intelligent Gas Detector Power Knowz
Description:
The Neodym PowerKnowz™ is an intelligent gas detector intended for safety applications in power generation equipment. Linear measurement of hydrogen, methane and propane concentrations is possible up to 50 % of LEL with 50 to 100 ppm resolution (up to 450 ppm with 2 ppm resolution in the case of CO). The devices are actively temperature compensated from –20 to +70 °C. Each device is factory calibrated for accuracy and linearity. Calibration values are FLASH memory-based and are field-adjustable via Neodym’s PK-Port PC interface. The device operates at 5 VDC and consumes about 400 mW. Wide input supply versions are available. Custom form factors, connector types and mounting provisions are available by special order.


Block Diagram

Features:

• MOS Sensor and HCMOS microcontroller
• hydrogen, methan, propane and CO versions
• 0 - 50 % LEL measurement (0 - 450 ppm CO)
• 50 / 100 ppm logical resolution (2 ppm CO)
• 30 seconds start-up time
• 4 secs. T90 response time (240 secs. CO)
• 10 secs. T10 recovery time (300 s CO)
• normal, warning, alarm and error states
• Table look-up (software) linearization
• Bi-color LED status indicator
• optional NO or NC dry relay
• manual reset or auto-resetting operation
• optional 0 to 5 V proportional output (8 bit)
• optional binary operation (TTL output)
• optional alarm beeper
• PK-Port™ compatible digital communications
• user-settable alarm / warning via PK-Port™
• digital FLASH-based calibration
• each device factory pre-calibrated
• Field re-programmable firmware
• -20 °C to +70 °C active compensation
• sensor and temperature error detection
• 5 VDC at 80 mA (400 mW) operation (11)
• optional 7 - 40 VDC input power version (12)
• optional 7 - 60 VDC input power version (13)
• 61 x 48 x 26 mm (circuit-only size)
• 74 x 56 x 26 mm (enclosed size)

Price on request



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