The temperature range adjustment this time is a parameter adjustment announced by VIBRANTZ Temperature Measuring Ring Factory in response to global coverageThe notice is as follows:

The original range was 1130-1400 ℃, but due to inaccuracies and melting ises at the higher limit of1350° C, the range has been reduced by 60° C to 1130-1340℃. The temperature tables will be adjusted to the new range and will no longer display temperatures above 1340℃. This will start from batch STH 344. Thischange also afects the PTCR STL as of batch 264.

Customers who have fired in the range above 1340-1400℃ are recommended to switch to the PTCR MTH.This also applies to your current PTCR STL order. The remaining rings from batch 263 that are still available can still be fired up to 1400℃. You will reccive temperature charts upto 1400* C for this“ old" batch.

The rings 1 charts from batch 264, avilable from April, will only show temperatures up to 1340℃.

If there is any inconvenience caused by using the temperature measuring ring, please understand!