Catalog excerpts
Gas detection systems come in all shapes and sizes. Some require simple 4-20 mA transmission. Some are better suited to local alarm relay functions. Some really require both. And increasingly, digital communication directly to the transmitter is desirable. Not to mention the fact that selftesting sensor capability adds to the reliability of any system. We couldn’t come up with a catchy name that would convey all the capabilities of the D12, so we’ll just explain everything our transmitter can provide — starting with our four different configurations. Loop Powered Transmitter For measurement...
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Features For Every Application 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. • 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...
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* Auto-Test gas generator available Gas Type: Customer selected from available sensor list. Sensor Type: Electrochemical for toxic gases and oxygen. Catalytic bead for Range: User adjustable within limits of selected sensor. Response Time: Sensor dependent Accuracy: Generally ±10% of value (limited by Zero Drift: Less than 2% full scale per month, Span Drift: Dependent on environment but generally less than 3% per month Alarms: Three concentrations alarms (Caution, Warning, Alarm) hysteresis, alarm delay, and manual or automatic reset. One fault alarm with programmable output and relay...
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Sensor Flexibility No matter which style of transmitter you choose, your D12 transmitters come with features that enhance performance and provide operational flexibility, starting with our own advanced electrochemical sensors. • Interchangeable Sensors: Every 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. Plug-In Sensor • Smart Sensors: Plug-in sensors store calibration data, allowing sensors to be...
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Order Information: Model D12-E-F-G Toxic Gas Sensors Part No. For transmitters to be used with electrochemical sensors, sensors must be selected separately from the list shown below. Note that the sensor part number will vary in some cases depending on the range of operation. If an Auto-Test generator is to be used, this item must also be specified separately. Combustible gas sensors are part of the sensor holder specified under Suffix F Suffix E – Transmitter Type 1 – Electrochemical without alarms 2 – Electrochemical with alarms 3 – Combustible gas without alarms 4 – Combustible gas with...
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