Overview
WDJ-138 thermometer Thermometric Paper is a CHANGLONG brand product with strong gluing and easy pasting. Color is irreversible after over-temperature discoloration, with recording function, produced according to the TJ/CL442-2015 standard of China Railway Corporation, and passed the quality inspection of national trusted institutions.
Features
1. strong gluing, easy to paste
2. Color is irreversible after over-temperature discoloration, with recording function
3. Produce with reference to railway standards and pass the quality inspection of national trusted institutions
4. Special requirements can be customized according to different specifications, temperature combinations and discoloration Colors
Principle
When the Ambient Temperature reaches the rated temperature of 138 ° C, the Thermometric Paper undergoes an irreversible Color Change and records the over-temperature event.
Applications
Wire and cable temperature monitoring for railway passenger cars
Standards
TJ/CL442-2015 Interim technical conditions for temperature sensitive stickers for railway passenger cars Wire and cable
Steps
1. Paste Thermometric Paper on the surface of the object to be monitored
2. Observe Thermometric Paper Color Change
When the temperature reaches 138 ° C, Thermometric Paper irreversible discoloration occurs
Notice
• Color irreversible after over-temperature discoloration
• Rated temperature is 138 ° C
• Dimensions 12 * 12mm
• Encasement size is 20 pieces/sheet
