The BW Honeywell 100 ppm Isobutylene Calibration Gas for bump testing and calibration of PID monitors. Gas detectors that use this product in the calibration process include: BW GasAlert Micro 5 PID Monitor.
Note 1: Because of HazMat restriction, calibration gas must be shipped UPS Ground.
Note 2: Calibration gas is not returnable. Please check your selection carefully before ordering.