Gas leak detectors, analyzers, alarm devices and calibration gas
SKU# (2965)

CALIBRATION TECHNOLOGIES  GG-H2-EC-2000

$661.20     Availability: 3 Days
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CALIBRATION TECHNOLOGIES GG-H2-EC-2000
  • Overview
  • Benefits
  • Specs
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CTI GasGuard H2 Hydrogen Catalytic Bead Sensor 0-1% (10000 ppm or 25%LEL) for gas leak detection in battery charging rooms, steel industry, refineries and others. No false alarms. 4-20 mA output, 24VDC power supply and NEMA 4X polycarbonate enclosure.

Part# with Options:        GG-H2-EC-2000
Price with Options:        661.20

Options:    

Gas Range
(1) Gas Range for CTI GG H2
Relay Output
(2) Fail-Safe Relay Output for Calibration Technologies GasGuard Detectors
RM420 Relay Output

  Availability 3 Days  ]

Key Features

  • Hydrogen selective catalytic bead sensor technology for long life
  • Industry standard linear 4/20 mA output
  • Corrosion, weather and chemical resistant polycarbonate sensor enclosure
  • Intelligent-design enclosure temperature control for improved cell life
  • Sensor designed to adapt to any harsh environment from -40°F to +120°F
  • Real-time continuous monitoring for early detection of explosive concentrations.
  • Detectable range: 0-1% (10,000 ppm or 25% LEL)
  • Absolutely no Zero drift compared to other catalytic bead type sensors

The GasGuard H2-1% utilizes hydrogen selective catalytic bead sensor technology for fast and accurate detection. The standard detection range provides real-time continuous monitoring of hydrogen concentrations accurately down to 500 ppm, with no false alarms.

The intelligent internal temperature control of the GasGuard H2-1% provides optimum temperature control for extended cell life. The high-quality injection-molded polycarbonate enclosure offers excellent chemical corrosion protection and high impact resistance.

The GasGuard H2-1% provides an industry standard linear 4/20 mA output signal compatible with most gas detection systems and PLCs. The output signal is not affected by drastic temperature variations or other atmospheric conditions.

Applications

  • Battery Charging Rooms
  • Steel industry
  • Refineries
  • Perimeter Monitoring
  • Heat treatment
  • Sea Vessels
Benefits

  • Simple operation
  • Rugged and reliable
  • Energy savings
  • Long-life sensor

The International Fire Code section 608.6.1 states “the ventilation system shall be designed to limit the maximum concentration of hydrogen to 1% (25%LEL) of the total volume of the room” or “continuous ventilation shall be provided at a rate of not less than 1 cfm per square foot of floor area in the room”.

When using the GasGuard H2-1% in combination with any of our GasGuardian controller line (or any other 4/20 mA input device), exhaust fan activation will prevent dangerous accumulation of explosive hydrogen gas concentrations. Since continuous ventilation in refrigerated areas can add up to huge costs, activating exhaust fans only when necessary can amount to thousands of dollars a year in energy savings for your company.

Every circuit board is sealed forever in potting compound, protecting electronic components and copper tracing from corrosion. A specially vented chemical- resistant polycarbonate enclosure protects the sensor from accidental damage, weather and direct hose-hits from clean-up crews.

Specifications
DETECTION PRINCIPLE: Catalytic Bead
DETECTION METHOD: Diffusion
GASES: Hydrogen (H2)
RANGES: 0/1% (10,000 ppm) (25% LEL)
OUTPUT SIGNAL: Linear 4/20 mA (max input impedance: 700 Ohms)
POWER SUPPLY: +24 VDC, 250 mA
RESPONSE TIME: T50 = less than 30 seconds
T90 = less than 60 seconds
ACCURACY: +/- 5% of value, but dependant on calibration gas accuracy and time since last calibration
ZERO DRIFT: Less than 0.1% of full-scale per month, non- cumulative
LINEARITY: +/- 0.5% of full-scale
REPEATABILITY: +/- 1% of full-scale
WIRING CONNECTIONS: 3 conductor, shielded, stranded, 20 AWG cable (General Cable C2525A or equivalent) up to 1500 ft.
ENCLOSURE: Injection-molded NEMA 4X polycarbonate
Hinged lid with captive screw. For non-classified areas.
TEMPERATURE RANGE: -40°F to +120°F (-40°C to +49°C)
HUMIDITY RANGE: 5% to 100% condensing
DIMENSIONS: 7.5” high x 6.5” wide x 3.75” deep
WEIGHT: 3 lbs
Export Info
Made inUnited States
Harmonized Tariff Code (HTC)9027102000

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