Gas leak detectors, analyzers, alarm devices and calibration gas
SKU# (5980)

CALIBRATION TECHNOLOGIES  GG-NO2-10-EXP

$843.90     Availability: 3 Days
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CALIBRATION TECHNOLOGIES GG-NO2-10-EXP (1)
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CTI GG-NO2-EXP Explosion Proof Electrochemical Gas Sensor for Nitrogen Dioxide (NO2) 0-10 ppm. 4-20 mA output, 24VDC power supply. Explosion Proof Copper-free aluminum enclosure for Class l, Div 1 & 2, Groups B, C & D. CSA, UL, FM, ATEX and IECEx approved.

Part# with Options:        GG-NO2-10-EXP
Price with Options:        843.90

Options:    

Relay Output
(1) Fail-Safe Relay Output for Calibration Technologies GasGuard Detectors
RM420 Relay Output

  Availability 3 Days  ]

Key Features
  • Explosion-proof enclosure for classified areas
  • Nitrogen dioxide selective electrochemical sensor technology
  • 0-10 ppm factory range
  • Electronics potted to eliminate internal corrosion
  • Industry standard 24VDC, linear 4-20 mA output
  • Operating temperature from -4°F to +122°F
  • Accurately monitor NO2 levels for personnel protection
  • No false alarms from interference gases
  • Real-time continuous monitoring for early leak detection

The GG-NO2-EXP is designed for detec- tion of nitrogen dioxide vapors in haz- ardous areas. The standard detection range of 0-10 ppm provides real-time continuous monitoring of concentra- tions accurately down to 1 ppm with no false alarms.

The GG-NO2-EXP utilizes a proven nitrogen dioxide specifc electrochemi- cal sensor for monitoring toxic levels produced by diesel-powered heavy engines and other sources. No false alarms due to cross-sensitivities from other gases, and no false alarms from temperature or humidity fluctuations.

The GG-N02-EXP provides an industry standard linear 4/20 mA output signal proportional to ppm concentration of nitrogen dioxide. Long sensor life with minimal span adjustment can be expected in most applications. The sensor is designed for simple calibra- tion and the sensor head is easily field replaceable.

Applications
  • Truck docks
  • Maintenance garages
  • Loading bays
  • Diesel Engine Test Benches
  • Tunnels
  • Air Monitoring
Benefits
  • Low cost explosion protection
  • No false alarms from interference gases
  • Simple operation & calibration

Nitrogen dioxide is heavier than air and will tend to accumulate in lowlying areas in poorly ventilated rooms. For optimum personnel protection (representative concentration reading that an employee would be exposed to), mount the sensor at a height in the breathing zone of the employees. It would typically be about 4 to 5 feet off the ground, which also allows easy access. As a general rule of thumb, try to mount sensors within 30 feet of potential NO2 sources.

The GG-NO2-EXP is intended for horn/ strobe and ventilation activation, and is also useful for alarm outputs such as phone dialers, bay doors and other alarm functions.

Typical sensor element life is 3 years, with minimal cross-sensitivity to other gases. Field replaceable sensor element keeps long term maintenance simple and low cost. Every circuit board is potted to completely eliminate corrosion to the electronic components and copper tracing on the circuit board. An explosion-proof aluminum enclosure houses the transmitter.

SPECIFICATIONS
Input Power:+24 VDC, 50 mA
Detection Principle:Electrochemical
Detection Method:Diffusion
Gases:Nitrogen Dioxide (NO2)
Range:0-10 ppm
Output Signal:Linear 4/20 mA (max input impedance: 700 Ohms)
Linearity:+/- 0.5% of full-scale
Repeatability:+/- 1% of full-scale
Response Time:T50 = less than 45 seconds
T90 = less than 90 seconds
Accuracy:+/- 5% of full-scale
Zero Drift:Less than 0.1% of full-scale per month, non- cumulative
Span Drift:Less than 3% per month
Temperature Range:-4°F to +122°F (-20°C to +50°C)
Humidity Range:5% to 95% non-condensing
Wiring Connections:3 conductor, shielded, stranded, 20 AWG cable (General Cable C2525A or equivalent) up to 1500 ft
Terminal Block Plugs: (Field Wiring)26-12 AWG, torque 4 lbs-in
Weight:3.75 lbs
Dimensions:6.75” high x 5.25” wide x 4.5” deep
Enclosure:Copper-free aluminum body, epoxy powder coat finish, neoprene gasket, for hazardous areas.
NEC/CEC:
Class I, Division 1 & 2, Groups B, C, D
Class II, Division 1, Groups E, F, G
Class II, Division 2, Groups F, G
Class III
NEMA/EEMAC: 3, 4, 4X, 7BCD, 9EFG
UL Standard: 1203
CSA Standard: C22.2 No. 30
FM Classification No.: 3615
ATEX Certificate KEMA 02 ATEX 2265U
IEC Standards EN:60079-0, EN:60079-1, EN:60529
Warranty:2 years (including sensor element)
Export Info
Made inUnited States
Harmonized Tariff Code (HTC)9027102000

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