What are the general test methods for wireless remote water meters?
With the continuous improvement of people's requirements for remote water meters, in many places, wired remote water meters cannot meet people's normal needs. We need a more flexible remote water meter - wireless remote water meter. What are the general test methods?
Regarding the general test methods of wireless remote water meters, the commonly used ones are:
1. Appearance: By visual observation, it should be ensured that the case of the wireless remote water meter should not have dents, scratches, cracks, thread damage and other defects.
2. Water pressure resistance test: Test the case of the wireless remote water meter with the pressure-bearing parts and sealing parts installed according to the relevant test procedures. The case of the wireless remote water meter should meet the relevant water pressure resistance requirements.
3. Hygiene test: In the hygienic test of the wireless remote water meter, the wading parts and water wading protective materials of the wireless remote water meter case should meet the requirements of non-toxic, non-polluting, non-biological activity, and not polluting the water quality.
4. External dimensions and threaded connection end dimensions: Test with a length measuring instrument that meets the requirements of identification accuracy to ensure that the external dimensions of the wireless remote water meter case and the dimensions of the threaded connection end meet the requirements of 4.1 in GB/T 778.1-2007.
5. Connection thread torque test: After the threaded connection end of the wireless remote water meter is connected with the thread with the tolerance level (7G) specified in GB/T97, the specified external torque is applied for 1min, which should meet the connection thread torque of this standard. requirements.
As a professional wireless remote water meter manufacturer, SH-METERS's product types mainly include LoRA, GPRS, NB-IoT centralized types. If you want to inquire about the price, please leave us message.