D-12 Toxic Ozone Gas Monitor

ATI's D12 Toxic Gas Transmitter will accept up to 46 different sensors, greatly reducing the need for multiple transmitter models. The self-aligning sensor holder simply plugs in, with automatic sensor recognition and verification when contact is made.

As low as $1,730.00
ATI's D12 Toxic Gas Transmitter will accept up to 46 different sensors, greatly reducing the need for multiple transmitter models. The self-aligning sensor holder simply plugs in, with automatic sensor recognition and verification when contact is made.
 

D12 Features:

    -LCD Graphics Display: Gas concentrations are displayed in large, easy to read numbers. The display also provides alarm indication and complete menus for setting up operating parameters. A backlight is available when operating in 3-wire mode.

     -Internal Data Logger: Measured gas values are stored at user definable intervals and can be recalled when needed on the LCD display. Data can be downloaded using the MODBUS™ interface.

     -Non-Intrusive Operation: Operating functions such as calibration, alarm setup, alarm reset, data view, and setup options are all available using a magnetic tool. It is not necessary to open the enclosure when making adjustments.

     -Password Protection: Program settings stored in the transmitter may be protected by a user selectable 4-digit password. Operators may still review all functions, but changes may only be made by authorized personnel.

     -Modular Electronics: The D12 electronic assembly plugs easily into the power supply board in the base of the enclosure. Transmitters can be removed for wiring and quickly replaced in the event of a fault condition.

     -Explosion Proof Enclosure: Transmitters are designed for operation in hazardous areas. The cast aluminum housing for the D12 transmitter is rated for Class 1, Division 1, Group B, C, D locations and is UL, FM, and CSA certified.

      -Scalable 4-20 mA: The output range for a particular sensor is programmable within the range boundaries set in that sensor.

    -Three Internal Alarm Relays: Optional relay outputs can be used for local alarm functions. All relays are programmable for set point, hysteresis, on-delay, off-delay, and other variables. Even a remote reset feature is provided for in the transmitter design.

     -Analog Output Simulation: Transmitter analog output can be set to user definable values. This provides for complete loop testing without the need to apply gas to the sensor.

     -Relay Output Simulation: Alarm relays may be activated on command to allow testing of local alarm devices. Any combination of relays may be activated based on operator selection. Output and alarms may also be inhibited for maintenance and calibration.

     -Serial Communication Interface: The transmitter is available with either HART™ or MODBUS™ protocol. The HART™ protocol supports the HART™ Universal and Common Practice Commands at 1200 baud using the Bell 202 FSK modem standard. The MODBUS™ protocol supports 9600 baud access to concentration and status information, and supports alarm setup and many other functions on either RS485 or RS232 (software selectable).

D12 XP sensor interface

The D12 offers easy to use push buttons to scroll through the menus on the display.  Simply remove the cover by unscrewing off the enclosure.

 

D12 Summary:

For many toxic and combustible gases, ATI offers a unique sensor response testing system unmatched by any competitive transmitter. Even outdoors in high wind conditions, the Auto-Test system provides reliable response checks to insure system integrity.  Sensor response is verified with an actual gas sample, generated on demand.  Generators store run time information accessible to operators, and are automatically tested for compatibility with the installed sensor.

D12 transmitters provide useful features that simplify installation, operation, and maintenance. From clear menu-driven setup pages to large numerical display of gas values, you simply can’t find a more versatile transmitter.  Gas concentrations are displayed in large, easy to read numbers. The display also provides alarm indication and complete menus for setting up operating parameters.  Backlighting is available when operating in 3-wire mode.

Operating functions such as calibration, alarm setup, alarm reset, data view, and setup options are all available using a magnetic tool. It is not necessary to open the enclosure when making adjustments.

Transmitters are designed for operation in hazardous areas. The cast aluminum housing for the D12 transmitter is rated for Class 1, Division 1, Group B, C, D locations and is UL, FM, and CSA certified.

The transmitter is available with either HART™ or MODBUS™ protocol. The HART™ protocol supports the HART™ Universal and Common Practice Commands at 1200 baud using the Bell 202 FSK modem standard. The MODBUS™ protocol supports 9600 baud access to concentration and status information, and supports alarm setup and many other functions on either RS485 or RS232 (software selectable).
 

D12 Options (how to order):

Note: The D12 is highly customizable to fit your every need.  Please review the options closely to ensure you choose the right configuration for your application.  Please call if you have any questions or need help configuring the right sensor for your application.

Sensor Module: Choose the gas and range of detection required for your application

Transmitter Type: Choose Electrochemical sensor for toxic gas applications.  Choose combustible gas sensor for combustible gasses and environments.  Either configuration is available with or without the optional alarm board.

Sensor Holder Style: The sensor of the D12 can be mounted in a variety of ways

  • Integral holder for sensor and generator is standard and contains the standard sensor holder directly on the enclosure of the D12 out the bottom of the enclosure, includes a holder for the optional auto-test generator.
  • Remote Sensor System for toxic sensors allows for a remote mount sensor at a custom length of the customers choosing, for toxic gas applications.

D12 Toxic Gas Transmitter with remote sensor

  •    -Integral Combustible gas sensor holder contains a combustible gas sensor holder directly on the enclosure of the D12 out the bottom of the enclosure.
  •    -Integral Combustible gas sensor with generator holder contains a combustible gas sensor holder directly on the enclosure of the D12 out the bottom of the enclosure.  Includes a holder for the optional auto-test generator.
  •    -Remote Sensor System for combustible gas sensor allows for a remote mount sensor at a custom length of the customers choosing, for combustible gas applications.
  •    -Remote Sensor System for combustible gas sensor with generator allows for a remote mount sensor at a custom length of the customers choosing, for combustible gas applications, also includes a holder for the optional Auto-test generator.

   -Digital Output:

  •       Standard 4-20 mA output is provided with all sensors
  •       HART interface is available for all sensors
  •       Modbus interface is only available for RS-485 sensors, and 115 VAC sensors. 

   -Accessories:

      -Calibration Adapter

      -Flowcell assembly

      -Sensor Splash Guard

Sensor splash guard for the D12 toxic gas transmitter

31-0162 Remote Interconnect Cable - 50ft

31-0001 Remote Interconnect Cable, Combustible Sensor - 50ft

 

 

 

D12 Specifications:

Sensor Type Electrochemical for toxic gases and oxygen.
Catalytic bead for combustible gas
Range User adjustable within limits of selected sensor
Response Time Sensor dependent
Accuracy Generally ±10% of value, but limited by available calibration gas accuracy.
Repeatability  ±1% (Electronic)
Linearity  ±0.5% (Electronic)
Zero Drift Less than 2% full scale per month
Span Drift Dependent on operating environment but generally less than 3% per month
Analog Output Loop-powered 4-20 mA, 675 ohms maximum at 24 VDC
Power Requirements         12 - 30 VDC, 25 mA maximum in loop-powered mode 12 – 30 VDC, 200 mA maximum in 3-wire mode.
Serial Interface: HART™ (1200 baud modem interface )
MODBUS™ (1200-9600 – RS232 or RS485, software selectable)
Alarms: Three concentrations alarms (Caution, Warning, Alarm) programmable for set point, hysteresis, alarm delay, and manual or automatic reset.
One fault alarm with programmable output and relay response.
Alarm Relays: Three SPDT, 5 A @ 230 VAC resistive
Relay Coil: Programmable either normally energized or normally deenergized.
Controls: 4 magnetic switches on front of transmitter
Enclosure Explosion-proof, Class 1, Div. 1, Groups B, C, & D.
Display Graphics LCD, 96w x 32h, backlit, transflective
Controls Four, dome-type push buttons; Remote alarm reset input (w/optional alarm relays only)

 

D12 Sensor Dimensions
 
 
Click HERE to add additional gas sensors to your order.

 

Downloads:

D12 Product Spec Sheet

D12 Product Manual

D12 Support Drawings

 

Links to more info:

Calibration information

ATI Specific Calibration Information

 

Auto-test Generator:

The Auto-test option verifies the serviceability of the transmitter on a prescribed schedule by exposing the sensor to a small amount of gas, and verifying a minimum response. Three attempts per test are made, and if the sensor does not respond on the third attempt, a fault alarm is triggered (may be optionally disabled). 

D12 Auto-test generator

The test is performed at a specific time of day, and may be scheduled to repeat every 1 to 14 days. The date and time of the next test is available for editing, and the test may be triggered manually at any time, without affecting the preset schedule.

 

D12 Sensor holder

The Auto-Test Generator can be easily added to the standard Integral Sensor Holder.

 

The Auto-test option requires an E18 gas generator, which must be compatible with the installed sensor’s gas type, and full-scale range. Table below lists gas compatible generators and sensors.

Auto-test Generator    Generator Type        
Compatible Sensors     
00-1239 Chlorine (Cl2)                     
Bromine (Br2)
   

Chlorine (Cl2)

    Chlorine Dioxide (ClO2)
    Flourine (F2)
    Ozone (O3)
    Hydrogen Flouride (HF)
    Nitrogen Dioxide (NO2)
    Iodoine (I2)
    Acid Gas
     
00-1240 Ammonia (NH3) Ammonia (NH3)
    Dimethylamine (DMA)
     
00-1241 Carbon Monoxide (CO) Carbon Monoxide (CO)
     
00-1243 Hydrogen Sulfide (H2S) Hydrogen Sulfide (H2S)
    Hydrogen Chloride (HCl)
     
00-1244 Sulfer Dioxide (SO2) Sulfer Dioxide (SO2)
    Hydrogen Cyanide (HCN)

Sensors:

We provide each sensor with a standard detection range.  However, for specific applications each sensor can be calibrated to custom ranges.  See list below for min, and max range options for each sensor, along with standard range.

Please contact us with any questions on what sensor might be right for you, or if other sensors are available for your application.

C16 Sensor specificationsClick on image to expand

Accessories and spare parts for the D-12

More Information
Manufacturer ATI
Call For Price No
Gas Acid Gases, Acetic Acid, Acteylene (C2H2), Alcohol, Ammonia (NH3), Arsine (AsH3), Bromine (Br2), Carbon Monoxide (CO), Chlorine (Cl2), Chlorine Dioxide (ClO2), Diborane (B2H6), Dimethylamine, Ethylene Oxide (ETO), Fluorine (F2), Formaldehyde (CH2O), Germane (GeH4), Hydrocarbon (HC), Hydrogen (H2), Hydrogen Bromide (HBr), Hydrogen Chloride (HCl), Hydrogen Cyanide (HCN), Hydrogen Fluoride (HF), Hydrogen Peroxide (H2O2), Hydrogen Selenide (H2Se), Hydrogen Sulfide (H2S), Iodine (I2), Nitric Oxide (NO), Nitrogen Dioxide (NO2), Nitrogen Oxides (NOx), Oxygen (O2), Ozone (O3), Peracetic Acid, Phosgene (COCl2), Phosphine (PH3), Silane (SiH4), Sulfur Dioxide (SO2)
4-20 mA Output Yes
Relays 1 Alarm Relay + 1 Control Relay
Field Replaceable Sensor Yes
Auto Test Generator None
Min, Max, Avg No
Voltage Output None
Power Requirements 12-30 VDC
Datalogging No
Rechargeable No
Field Replaceable Battery Yes
Warranty 1 Year
Audible Alarm No
Calibration Replace Sensor After Failure
Sensor Life 6 Months
Unit Features

-XP Class-1, Div-1 Rated

-4-20 mA Output

-Integrated Relay

-Remote Sensor Options

-Optional Auto-Test Generator

-Digital Communications

Sensor Range

Gas Dependent

Resolution Range Dependent
Integrated Relays Yes
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