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、室温10℃-35℃范围内;相对湿度不大于80%；

2、周围无振动、无腐蚀性介质和无较强电磁场干扰的清洁环境中；

3、电源电压的波动范围应在额定电压的土10%以内；

4、在稳固的基础上正确安装。