CAL 2000 Source, HCN, 50 Hour Capacity, .5-50 PPM @ 0.5 LPM Hydrogen (H2) Certified calibration gas sources provide

Certified calibration gas sources provide the equivalent of up to 100 compressed gas cylinders

The unparalleled long-life source in the instrument has an expected life of up to five hundred hours of use

Utilizing oxygen in the surrounding atmosphere as its source to create ozone calibration gas makes the GENie O3 an extremely long-lasting and economical calibration source for anyone with ozone detectors

as well as high precision

This adapter allows the instrument to be operated without using batteries

CAL 2000 Source, HCN, 50 Hour Capacity, .5-50 PPM @ 0.5 LPM Hydrogen (H2) Certified calibration gas sources provideSKU: 510 2070 00 HCN (hydrogen cyanide) 50 hr. 0. 5 50 ppm