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Oldham Simtronics DG-TT7-S Solid-State (MOS) Gas Detector

SKU: DG-TT7-S
Manufacturer:
Oldham Simtronics

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The MultiTox DG-TT7-S is a solid state (MOS) based smart gas detector for the detection of Hydrogen Sulphide. The device has been designed to withstand harsh environment and provide easy operation

The unit is fully configurable using a wireless hand-held terminal TLU, using a magnet or by using HART protocol option.

The configuration of the outputs is adjustable using the TLU or the magnet that can be used in areas classified as potentially explosive. The MultiTox DG-TT7-S is SIL2 certified, 3 on board relays in option, plug and play sensors and a high visible display that changes colour depending on the status mode.

The unit may be interfaced directly with a wide range of centrals and PLC’s. The device supports HART 7 protocol option for full configuration and diagnostics over non-proprietary interface.

This new version also offers automatic calibration, TELECAPTEUR Calibration Management Software. It allows loading, comparison and logging of the last calibrations carried out and this can be done by one person only. (one man calibration)

Oldham Simtronics DG-TT7-S Solid-State (MOS) Gas Detector

Features

  • High visible display
  • Display color is status dependent
  • Ideal for Desert & Artic Environments

Oldham Simtronics DG TT7 S Solid State MOS Gas Detector 2 The MultiTox DG-TT7-S is a solid state (MOS) based smart gas detector for the detection of Hydrogen Sulphide. The device has been designed to withstand harsh environment and provide easy operation
Technical data

General:

Technology Solid-state Metal Oxide Semiconductor
Detects Hydrogen Sulphide
Range 0-20 ppm H2S
0-50 ppm H2S


Performance:

Accuracy +/- 2 ppm or +/- 10% reading
Zero drift <1 ppm
Sensor life Better than 5 years (environment dependant)


Output signal:

Standard 0-22mA encoded:
* 0-4mA: fault mode, calibration, inhibit (current values are
user configurable)
* 4-20 mA: measurement
* 22mA: overange
Max. load impedance 700 Ohms
Options HART Protocol (Version 7)
3 configurable dry contact relay outputs, max 1A / 30V
Lonworks (Syntel)
Local display 4 digit, ultrabright LED display, color change background according to the status (green=normal operation, amber=Fault mode, red=Gas Alarm, purple=Inhibit/Warm-Up mode), self adjust backlight depending on luminosity


Electrical:

Power supply 24V DC, range (18 – 35V DC)
Power consumption 2W normal (5W max)
Connection 0.3 mm2 (22 AWG) – 2.5 mm2 (14 AWG)
3 wire shielded cable


Environmental:

Storage -40°C to +65°C (-40°F to +149°F)
Operation -40°C to +65°C (-40°F to +149°F)
Option Sunshade, max. temp. 85°C (185°F)
Humidity 99% RH (non-condensing)
Pressure Atmospheric pressure +/- 10%
Ingress IP66
RFI /EMI Complies with EN50270


Housing:

Material 316L stainless steel
Weight 4 Kg (8Lbs)


Approvals:

ATEX II 2 G Ex d IIC T6 Gb or Ex db IIC T6
(-40°C to +65°C / -40°F to +149°F)
IECEx Ex d IIC T6 Gb or Ex db IIC T6
SIL SIL2 approved by 3rd party


Accessories:

TLU600 Infrared remote control unit
AS056-250 Sun shade
AS005 Calibration cup
AS047 Display protection
AS011-2 Sample flow housing
AS019 Splash guard
CAL-K1C-xxAE-1 A1 -00 Calibration kit 20ppm H2S
CAL-K1C-31AF-1A1-00 Calibration kit 50ppm H2S
CAL-TUBE-H2S-MOS In-line humidifying tube for calibration


Other products (stainless steel range):

DG-TT7-E MultiTox, Toxic Gas Detector
DF-TV7 or -V MultiFlame, Flame Detector
DG-TX7-X MultiXplo, Flammable Gas Detector

 

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