so they can last through years of use
R4I-A135-TAS/80-230-3
Maximum Voltage 600 V
Overall Depth 26 1/4 in
Type Flexible
Draeger 8101811 Detector Tube Accuro, CO2, Gas Detection Tube, Carbon Dioxide (CO2), 10 PK 8903LO60V02 so they can last throughDetector Tube, Measurement Range 100 to 3,000 ppm, Gas Detected Carbon Dioxide, For Use With Accuro, Color Change White to Pale Violet Blue Violet, Operating Pressure 1,013 hPa, Operating Temperature Minimum 59 Degrees F, Tube Material Glass, Break Off Tip Yes, Calibrated Yes, Product Type Gas Detection Tube, Shelf Life 2 yr, Application Civil Defense, Fire Brigades, Industrial Applications, Military, Includes Instructions, Sampling Time 4 min (100 to