(1) Product quality warranty period of three guarantees is calculated from the date of delivery for one year. During the warranty period, if the product itself has quality problems, our company provides free repair, replacement and return services. Replacement or return can be replaced or returned within 3 months with the purchase invoice or receipt to our factory or at the agent.
1. The general parts and components of the product are invalid. If the requirements can be restored after replacement, they will be responsible for free repair on schedule;
2. If the main parts and components of the product fail and cannot be repaired on schedule, they are responsible for replacing qualified products of the same model and specifications;
3. Damages and injuries caused during transportation can be returned.
4. The technical verification agency recognized by the state determines that the technical parameters such as accuracy, temperature drift, anti-interference performance, and reliability cannot meet the data provided in the technical description and can be returned.
5. If the performance declines during use, it can be returned to our quality inspection department. If the inspection is a product quality problem, it can be returned.
6. After purchasing, it is found that the product model ordered is not compatible with the site, and can be returned and replaced with other models. If the price is different, the other party should pay our spread, and we will not pay the other party's spread. If the product you ordered has been used out of the box, you can only replace the product of the same model.
7. The main function of the product due to design, manufacturing and other reasons does not meet the requirements of corporate standards and contract requirements. When the customer requests a return, the faulty product is recovered and the customer's payment is returned.
(II) Exemption scope During the warranty period, product failures caused by the following man-made and force majeure factors are not included in the scope of free repair, replacement and return services:
1. The internal appearance of the instrument is deformed, damaged or incorrectly connected by the user, causing internal wiring to burn out, but it has maintenance value.
2. The instrument's outer casing, label, label and other external accessories of the instrument itself are damaged, damaged or obviously obsolete.
3. The user repairs and modifies the product by himself during use.
4. The user cannot perform the correct calibration when the meter is checked once a year.
5. Earthquakes, floods, fires, and other natural disasters cause product damage.
6. Other human factors.
T-index copper-copper-nickel thermocouple GB
S graduation number platinum rhodium 10-platinum thermocouple national standard
B index platinum platinum rhodium 30-platinum rhodium 6 thermocouple national standard
R graduation number platinum rhodium 13-platinum thermocouple standard
K division number nickel-chromium-nickel silicon thermocouple standard
E-graded nickel chromium-constantan thermocouple national standard
J index number iron-constantan thermocouple country standard
National standard for armored thermocouples
Application principle of thermal resistance Index table of platinum thermal resistance Parameter of thermal resistance Compensation table of thermocouple Use of thermocouple parameters of thermocouple Application principle of thermocouple Index table of thermocouple Principle of explosion-proof thermocouple Thermocouple parameter