forensics detectors fd carbon monoxide co meter by forensics | usa nist calibration | dust & explosion proof | usb recharge | sound, light and vibration alarms | 0-1000 ppm | is up for auction in Industrial & Scientific. The current bid is $21.00, 79% below the $99.45 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.