1. products are strict in quality inspection and quality assurance.

2. every test machine will be tested many times before leaving the factory to ensure that the user can be used normally in the hands of the users.

3. the product has high control precision, accurate and stable measurement, and has the function of safety and protection.

4. manufacturers provide direct supply with high cost performance

5. the conventional test machines are all in stock, and they are exclusively distributed by logistics companies and timely delivery.

1、室溫10℃-35℃范圍內;相對濕度不大于80%；

2、周圍無振動、無腐蝕性介質和無較強電磁場干擾的清潔環境中；

3、電源電壓的波動范圍應在額定電壓的土10%以內；

4、在穩固的基礎上正確安裝。