The “Silo Chek” Phosphine Monitor is designed and built in Australia to detect the phosphine levels in stored grain. 

It is easy to operate with high accuracy and selectivity to phosphine. 

It is robustly built into a small ABS enclosure with a large easy to read LCD display.  

It is supplied ready for use in a padded vinyl pouch with belt / waist loop together with either a manual aspirator OR an automatic sample draw, in-line dust filter, tubing connector, calibration tool, 9VDC alkaline battery and instruction manual.