Hydroknowz Hydrogen Sensor

Product Code: 72050002

Price:
$365.00

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The Hydroknowz Hydrogen sensor uses a catalytic sensor to measure hydrogen in air up to 25,000 ppm (2.5% volume).  This sensor features a VOC filter, good long term stability, native linearity, increased tolerance of silicone-based contaminants and are immune to overexposure damage. 

Features

  • Catalytic sensor (with VOC filter)
  • HCMOS micro-controller
  • 0-25,000 ppm hydrogen in air measurement
  • 100 ppm resolution
  • 2 seconds start-up time
  • 2 secs. T90 response time
  • 5 secs. T10 recovery time
  • Normal, Warning, Alarm & Error states
  • Bi-color LED status indicator
  • Optional NO or NC dry relay
  • Manual reset or auto-resetting operation
  • Optional 0-to-3V proportional output (8 bit)
  • Optional 4-20mA 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
  • -40 to +80 Celsius / 0% to 99% R.H. operation
  • Sensor & temperature error detection
  • 1000 mW power consumption

 

Warning & Alarm Levels
  • Alarm & warning PPMs specified at order
  • Alarm level from 2,000 to 20,000 ppm
  • Warning level/action is optional
  • Warning level from 20-80% of alarm level
  • Levels are field-adjustable via PK-Port™
Mechanical
  • Open-frame circuit size: 61 x 48 x 26 mm
  • Aluminum enclosure size: 74 x 82 x 26 mm
  • Flanged enclosure size: 74 x 82 x 26 mm
  • Open-frame weight: 30 g
  • Enclosed weight: 80 g
State Indications
  • Normal, warning, alarm & error state
  • Bi-color LED indicates all states
  • Optional beeper for alarm & error indication
  • Errors-as-Alarms for fail safe operation
  • Warning and/or alarm trigger relay/TTL
  • Live monitoring & data logging via PK-Port
Calibration
  • All devices individually calibrated
  • FLASH-based cal. accessible via PK-Port
  • Periodic factory re-certification available
Environmental Requirements
  • Diffusion sampling
  • 3 meters/second flow rate maximum
  • 5% minimum atmospheric oxygen
  • 0% to 99% R.H. (non-condensing) oper.
PK-Port Interface
  • Access via interface connector pin
  • PC (serial) interface module extra
  • Real-time monitoring and data-logging
  • Access/modify config. & cal. values
Reliability Features
  • Audio-visual or alarm-producing errors
  • Sensor failure & disconnection detection
  • Temperature out-of-bounds detection
  • Digital calibration values delimited
  • Low supply voltage inhibit
  • Power fail detect via signal offset loss/relay
  • Watchdog timer & software check-sums
Incompatible Uses
  • Not for use in anaerobic environments
  • No dusty or corrosive environments
  • No condensing moisture
  • Not for use with desiccated calibration gas
  • No butane gas bump-testing
  • Adversely affected by silicone vapors
  • Very high gas levels may damage sensor

 

Hydrogen Equpiment Specifications
Target Gas Hydrogen
Alarm Concentration 8000 ppm, trips relay
Warning Level 50% (Warning at 4000ppm, trips nothing)
Output Signal Type 0 - 3 VDC (60mV offset, 250 steps of 11.7 mV each, one step per 100 ppm)
Relay Type Normally-closed, Auto (self-clearing)
Beeper Included
Error Handling If sensor fails or operating temperature is out of bounds, alarm device is tripped (fail safe).
Input Supply Voltage 6 - 40 VDC
Enclosure Type Anodized Aluminum Enclosure ( Flange)
Interface harness Molex 15cm color-coded wire interface harness included
AC/DC Power Supply Not Included

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