PTC® Cylinder Tank Surface Thermometers with Dual Magnets
Designed specifically for monitoring tank surface temperature while filling industrial gas cylinders.
The model 520 has exceptional holding power, a plastic lens, and calibrated bimetal for accuracy.
NIST Traceable certifications are available. from PTC Metrology an accredited calibartion lab by A2LA to 17025 ANSI/NCSL and Z540-1.