Simtronics-DG-TT7

Simtronics DG-TT7 & DG-RT7 Gas Detectors

Code: DG-TT7 & DG-RT7
  • For Combustible or H2S gas detection
  • Simple maintenance
  • MOS or Thermal Conductivity sensor choice

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Simtronics DG-TT7 and DG-RT7 series by Teledyne is part of the DG7 family of gas detectors. All have a common mode of operation for standardised training and maintenance.

The range is split into two categories:

  • DG-TT7/S uses a solid-state metal-oxide-semiconductor sensor. For the detection of Hydrogen Sulphide. The DG-RT7/S versions have a Syntel output.
  • DG-TT7/K features a thermal conductivity sensor to monitor explosion risks posed by flammable gases or vapours (hydrogen, hydrocarbons, alcohol, etc.). The DG-RT7/K versions have a Syntel output. The principle is very stable and can operate at high gas concentrations. In this configuration, the presence of oxygen is not essential, and catalytic poisoning is not an issue.

Microprocessor-driven, configurable using a wireless hand-held terminal (TLU) or by using a hard-wired HART protocol option, providing installation options and reduced service costs. Relay operation and alarm levels can be set using the TLU, a hazardous-area-approved device.

Common Features

  • Easy to use.
  • Ultrabright four-digit LED display, shows local status by display colour & alarm level.
  • 4-20mA output &  2 x configurable relays.
  • Compatible with most controllers and PLCs.
  • Power supply 24V DC.
  • Housing corrosion-resistant Stainless Steel.
  • Ingress Protection IP66.
  • Approvals ATEX & IECEx.
  • Range previously by Simrad Optronics.

Output Signal Options

  • HART Protocol 7th edition (facilitating nonproprietary interface).
  • Lonworks (Syntel).
  • 0-22mA (User configurable) included with DG-TT7-S.

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Title Size
DG-TT7-S Brochure 132 KB
DGi-TT7-E - DGi-TT7-O & DG-TT7-S Manual 2 MB
DG-TX7-X & DG-TT7-K Manual 2 MB
Syntel Brochure 388 KB

Additional information

Weight 0.09 kg

Ordering Information

H2S Hydrogen sulphide DG-TT7/S, Semiconductor (MOS) toxic gas detectors, SS316L, local display

DG-TT7-31AE-SXC-C0 MultiTox detector 20ppm H2S, MOS, Configurable output, SS 316L (Cert. ATEX Ex d – IECEx)
DG-TT7-31AE-SXH-C0 MultiTox detector 20ppm H2S, MOS, HART protocol, SS 316L (Cert. ATEX Ex d – IECEx)
DG-TT7-31AF-SXC-C0 MultiTox detector 50ppm H2S, MOS, Configurable output, SS 316L (Cert. ATEX Ex d – IECEx)
DG-TT7-31AF-SXH-C0 MultiTox detector 50ppm H2S, MOS, HART protocol, SS 316L (Cert. ATEX Ex d – IECEx)
DG-TT7-31AG-SXC-C0 MultiTox detector 100ppm H2S, MOS, Configurable output, SS 316L (Cert. ATEX Ex d – IECEx)
DG-TT7-31AG-SXH-C0 MultiTox detector 100ppm H2S, MOS, HART protocol, SS 316L (Cert. ATEX Ex d – IECEx)

DG-TT7/K Thermal conductivity gas detectors, SS316L, local display

H2 Hydrogen
DG-TT7-30BC-KXC-K0 MultiTox detector 5% Vol. H2, Catharometer, Configurable output, SS 316L (Cert. ATEX Ex d – IECEx)
DG-TT7-30BC-KXH-K0 MultiTox detector 5% Vol. H2, Catharometer, HART protocol, SS 316L (Cert. ATEX Ex d – IECEx)
DG-TT7-30BE-KXC-K0 MultiTox detector 20% Vol. H2, Catharometer, Configurable output, SS 316L (Cert. ATEX Ex d – IECEx)
DG-TT7-30BE-KXH-K0 MultiTox detector 20% Vol. H2, Catharometer, HART protocol, SS 316L (Cert. ATEX Ex d – IECEx)
DG-TT7-30BG-KXC-K0 MultiTox detector 100% Vol. H2, Catharometer, Configurable output, SS 316L (Cert. ATEX Ex d – IECEx)
DG-TT7-30BG-KXH-K0 MultiTox detector 100% Vol. H2, Catharometer, HART protocol, SS 316L (Cert. ATEX Ex d – IECEx)

DG-RT7/S, Semiconductor (MOS) toxic gas detectors for SYNTEL, SS316L, local display

H2S Hydrogen sulfide
DG-RT7-31AE-SXL-C0 MultiTox detector 20ppm H2S, MOS, LON protocol, SS 316L (Cert. ATEX Ex d – IECEx)
DG-RT7-31AF-SXL-C0 MultiTox detector 50ppm H2S, MOS, LON protocol, SS 316L (Cert. ATEX Ex d – IECEx)
DG-RT7-31AG-SXL-C0 MultiTox detector 100ppm H2S, MOS, LON protocol, SS 316L (Cert. ATEX Ex d – IECEx)

DG-RT7/K, Thermal conductivity gas detectors for SYNTEL, SS316L, local display

H2 Hydrogen

DG-RT7-30BC-KXL-K0 MultiTox detector 5% Vol. H2, Catharometer, LON protocol, SS 316L (Cert. ATEX Ex d – IECEx)
DG-RT7-30BE-KXL-K0 MultiTox detector 20% Vol. H2, Catharometer, LON protocol, SS 316L (Cert. ATEX Ex d – IECEx)
DG-RT7-30BG-KXL-K0 MultiTox detector 100% Vol. H2, Catharometer, LON protocol, SS 316L (Cert. ATEX Ex d – IECEx)

Spare sensors (MOS and thermal conductivity)

DM-ST6-30BC-KA0-K0 MultiTox sensor, 5% Vol. H2, Catharometer, for aluminium DM6 Series (Cert. ATEX Ex d – IECEx)
DM-ST6-30BC-KX0-K0 MultiTox sensor, 5% Vol. H2, Catharometer, for SS 316L DG7 Series (Cert. ATEX Ex d – IECEx)
DM-ST6-30BE-KA0-K0 MultiTox sensor, 20% Vol. H2, Catharometer, for aluminium DM6 Series (Cert. ATEX Ex d – IECEx)
DM-ST6-30BE-KX0-K0 MultiTox sensor, 20% Vol. H2, Catharometer, for SS 316L DG7 Series (Cert. ATEX Ex d – IECEx)
DM-ST6-30BG-KA0-K0 MultiTox sensor, 100% Vol. H2, Catharometer, for aluminium DM6 Series (Cert. ATEX Ex d – IECEx)
DM-ST6-30BG-KX0-K0 MultiTox sensor, 100% Vol. H2, Catharometer, for SS 316L DG7 Series (Cert. ATEX Ex d – IECEx)

H2S Hydrogen sulfide

DM-ST6-31AE-SA0-C0 MultiTox sensor, 20ppm H2S, MOS, for aluminium DM6 Series
DM-ST6-31AE-SX0-C0 MultiTox sensor, 20ppm H2S, MOS, for SS 316L DG7 Series
DM-ST6-31AF-SA0-C0 MultiTox sensor, 50ppm H2S, MOS, for aluminium DM6 Series
DM-ST6-31AF-SX0-C0 MultiTox sensor, 50ppm H2S, MOS, for SS 316L DG7 Series
DM-ST6-31AG-SA0-C0 MultiTox sensor, 100ppm H2S, MOS, for aluminium DM6 Series
DM-ST6-31AG-SX0-C0 MultiTox sensor, 100ppm H2S, MOS, for SS316L DG7 series

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