Gastec Grab Sample Detector Tubes are designed for screening and field surveys using the Gastec GV110 Piston Pump. The tubes are factory calibrated for a specific flow dynamic provided by the Gastec GV110 Pump and should be used with that pump only. Use Gastec Detector Tubes at temperatures between 32 to 104 F (0 to 40 C). See the Hot Probe accessory for higher temperature applications.
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