- TQ 800 System
The system contains of groups of 4-20mA Measurement Cards, each measuring a single detector and displaying the reading on the front of the card. They monitor the atmosphere continuously at the points where sensing heads are fitted and will detect the presence of any combustible gas should it accumulate. The sensors provide electrical outputs to the cards, proportional to the amount of gas present, to alarm and indicating panels.
The front panel of the Measurement Cards display pushbuttons and indicator
LEDs as follows:
Pushbuttons
- SEL – select button
- Increase
- Decrease
- SPR – Special function button
Graphic – T30-429-01
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