KnowzNet Hydrogen Multi-Sensor

Product Code: 570250


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The KnowzNet Hydrogen Multi-Sensor is an excellent tool for lab safety.  This unit can operate up to eight hydrogen sensors with a maximum range of 300 ft from the control panel.  The system is excellent as a lab safety device or for use as a temporary gas safety system for test bench development.
The control panel comes standard with LCD display, sensor LED's, audible alarm and one master relay switch.
  • Wide selection of gas targets
  • PPM, % LEL, and % volume monitoring
  • 8 bi-color LEDs indicate sensor states
  • LCD and 4-button keypad user interface
  • Isolated master relay (DPDT)
  • Optional dry-contact zone relays (SPST)
  • Manual reset or auto-resetting relay operation
  • 80dB alarm beeper
  • 12VDC operation standard. Powering up to 60VDC optional
  • Panel powers remote sensor heads
  • Optional 2-, 4- or 8-hour battery back-up
  • Sensors connect using 2-pair cable
  • Up to 300' (100m) sensor cable length
  • Connection via RJ-11, crimp headers or terminal blocks
  • PC access via serial port or USB


Mix-And-Match Sensor Heads
  • Wide selection of sensor heads including:
    • Combustibles (fuels/solvent)
    • PPM monitoring of toxic gas
    • Sensing of refrigerant gases
    • %vol measurement of O2, He
  • Ports compatible other Neodym detectors
Simplified Panel Operator Interface
  • Dual-color LED for each zone:
    • Steady Green: Okay
          - Steady Red: Alarm
          - Green Blink: User menu
          - Red blink: Error/failure
  • English menu system via 2-line LCD
  • Control via Up/Down/Select/Clear buttons
Real-Time Monitoring and Control
  • Sensor polled continuously for alarms/errors
  • Sensor response times 10-30 secs. typical
  • Audio/visual/relay alerts upon any alarm
  • Peak register for each sensor
  • Alarm time/date/level stored in memory
  • Dual dry relay contacts switch external loads
  • Zone relays avail. for security system wiring
Powering Flexibility 
  • Sensors powered centrally via their cables
  • 12VDC panel powering for vehicular use
  • Up to 60VDC operation available
  • 110VAC adapter included (N. America only)
  • Spare power jack for redundant powering
  • 2-, 4- or 8-hour battery back-up available
Easy to Install and Hook-Up
  • Panel hang-mounted or recess-mounted
  • Sensors are factory pre-calibrated
  • Snap-connect with RJ-11 (telephony) plugs
  • Terminal blocks/crimp sockets optional
  • Easy assimilation into structured wiring
Simple to Maintain and Service
  • Digital sensor zeroing via panel or PC
  • Zero sensors in clean air with button/mouse
  • Span sensors in cal. gas by correcting reading
  • 2 to 5 years typical sensor lifetime
  • Panel firmware field-upgradeable (serial port)
  • Durable anodized aluminum enclosures


Hydrogen Equpiment Specifications
Target Gas Hydrogen (0-80% LEL)
Alarm Concentration 20%
Input Supply Voltage 12-14 VDC
AC/DC Power Supply Included

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