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DGI-TT7 Electrochemical Gas Detector
Brand: Detcon IncThe MultiTox DGI-TT7-E gas detectors employ a wide array of sensor types.
The device has been designed for ease of operation and maintenance.
The DGI-TT7-E are constructed from a common housing and electronics with the detection properties being determined by the type of sensor (cartridge) used.
A wide range of cells are available, including hydrogen sulfide, ammonia and carbon monoxide to name a few. The cells are intrinsically safe protected, and may be replace with the detector powered.
The intelligent, microprocessor driven unit is fully configurable using a wireless handheld terminal (TLU) or optionally via HART giving true flexibility to the installer.
Parameters such as relay operation and alarm levels are all set via the TLU, hazardous area approved handheld unit.
The unit may be interfaced directly with a wide range of panels, controllers and PLC’s etc.
The device offers HART Protocol 7th edition output as an option.
Specifications
Brand
Approvals & Certifications
- ATEX - II 2 G Ex dia IIC T6 Gb (-40° to 65° C)
- IEC Ex dia IIC T6 Gb, LCl 12
- ISO 9001: 2008
Communication
- HART
Consumption
- 0.7 W Normal
- 4.5 W when Heating
Display
- 4-Digit LED with Automatic Intensity Adjustment
Electrical Connectors
- Shielded Cable
Enclosure, Body Material
- 316L Stainless Steel
Environmental Protection
- IP66
Humidity
- 0 to 95 % Relative Humidity, Non-Condensing
Load Impedance
- 700 ohms
Measuring Range
- 0 to 10 ppm - Cl2
- 0 to 10,000 ppm - H₂
- 0 to 100 ppm - H₂S, NH₃, CO, NO, SO₂, HCl
- 0 to 1000 ppm - NH₃, CO, H₂,
- 0 to 20 ppm - H₂S, NO₂, SO₂, Cl2,
- 0 to 2000 ppm - H₂
- 0 to 25 ppm - O₂
- 0 to 5 ppm - O₂
- 0 to 50 ppm - H₂S, NH₃, Cl2, HCl, HCN
Media
- Gas
Operating Temperature
- -20° to 50° C (-4° to 122° F)
Output
- 4-20 mA
Power Requirement
- 18-28 Vdc
Relay Output
- 1 A / 30 V
Response Time
- < 20 to < 160 seconds
RFI/EMI Protection
- Complies with EN 50270
Span & Zero Effect
- < 3 %
Storage Temperature
- -40° to 70° C (-40° to 158° F)
Temperature Range
- 0° to 20° C (32° to 70° F) - Cartridge/Cell
- Chemical Plants
- Offshore Drilling & Production Platforms
- Processing & Storage Plants
- Refineries