Vanguard WirelessHART detector, H2S (Hydrogen Sulfide) 0-100ppm, magnet Flexmount

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Catalog number: TCD50H1B04

The Vanguard WirelessHART® gas detector is ideal for the monitoring of toxic and combustible gases without the need for costly and fixed wiring. With a five year battery life and one button calibration, the Vanguard detector is easy to operate and maintain.

Each Vanguard detector has a WirelessHART® transceiver, an antenna, a display, a long life power module, a gas sensor, and a signal processor for the gas sensor. Vanguard uses a sensor architecture trademarked “Flexsense,” which allows the sensor to identify its target gas and self-configure to a Vanguard transmitter upon connection.

Key features

  • Wireless capability
  • Field interchangeable toxic and combustible gas sensors
  • Interoperable with existing WirelessHART® networks and asset management systems (AMS)
  • Easy calibration and operation
  • 5+ year battery life*

*Affected by polling frequency

Technical specification

Dimensions 221 mm (W) x 315 mm (H) x 176 mm (D)
Weight 4.35 kg
Process variables 1 Hydrocarbon concentration in %LEL or Toxic gas concentration in ppm
  2 Temperature (°C); Not available for Hydrocarbon sensor
  3 Days since calibration (days)
  4 Battery voltage (volts)
Temperature –40°C to +65°C
Humidity 0% to 98% (non-condensed)
Body material Aluminum alloy (maximum copper content at 0.25%) with powder polyester paint; 316 stainless steel; nickel-plated brass; tempered glass
Ingress protection Type 4X (enclosure only)
Display Graphical LCD display, Viewable area is 2.25”W x1.25”H (57.2mm x 31.8mm)
Display language English
Memory Programming and data are protected by a non-volatile EEPROM
Antenna 2.4 GHz, Hazardous Area Antenna
Mounting FLEXmount™ Options
Communication Protocol WirelessHART® HART 7.2, EDDL file available on demand
Batteries Battery pack contains two Lithium battery cells
Operating Voltage 7.2V
Life 5 years based on an 8 second update rate
Programming Access HART hand-held communicator, or via HART modem, connected to HART terminals located in rear battery compartment or via remote access (e.g., asset management software) DTM available for PC programming
Calibration/Bump Test Access Via external button on transmitter base


  • H2SGas detected

Operating conditions

  • WirelessHARTDigital output
  • ElectrochemicalDetection/Operation principle
  • NeRelays

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