The newly improved GD-888 Series of Portable Carbon Dioxide Gas Monitors include a digital display, a built-in air pump, backlighting, alarms and an optional data-logger. Using the latest infrared sensor technology, these versatile units now can measure carbon dioxide from the low ppm all the way up to 100 percent volume. The GD-888 Series is extremely durable, lightweight, and easy to operate and maintain.
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