Warranty
This product uses ultrasonic time-of-flight (ToF) in the forward and reverse directions to measure the flow on the outside of the pipe, so it is necessary to avoid bubbles, solid foreign matter, crystallization and sediments in the fluid. At the same time, try to avoid strong electromagnetic field interference near the device.
The sensing system works on the principle of magnetic sensing, please avoid the interference of strong magnetic fields and ferromagnetic materials.
Please cover the unused wires with insulating materials to avoid leakage, short circuit and damage of the device and be careful of electric shock.
If the device is opened, please make sure that there is no foreign matter above the seal of the lower cover, and then lock all the screws evenly. Uneven force can cause damage to the mechanism. Unlocked or foreign objects on top of the seal will cause the waterproof and dustproof failure.
Before wiring the motor and turning on the device, please confirm that the power is off. To avoid damage to electronic parts and electric shock leakage.
Pressing the button for too long will cause the button to be damaged, please avoid it.
After the warranty period, the electronic components of the product will be aged due to time and operating environment. After long-term use, please replace the new product according to the condition of the product.
Do not operate the product for a long time with the LCD backlight showing orange and red lights to avoid product damage and related losses.
Do not place the screen in direct sunlight or other UV light sources.
If not otherwise agreed, the warranty program of this product is as follows.
Please confirm the condition of the product within 14 days after receiving it. If there are any defects caused during shipment, please contact the sales personnel for a product replacement.
The product warranty is for 12 months from the delivery date. The warranty covers functional failures due to the non-human error and the non-specified environmental factors. During the warranty period, there will be no charge for product inspection, replacement of parts, or maintenance, etc.
When the product needs to be shipped back for maintenance, the packaging must be in perfect condition to avoid any additional damage during shipping.
This product warranty only covers normal use. Any special applications, abnormal and excessive use are not covered by this warranty.
The failures under the following conditions shall not be covered by this warranty, and the expenses for inspection, parts, maintenance, etc. shall be charged accordingly:
Natural disasters: flood, fire, earthquake, lighting strike, typhoon, etc.
Human caused damages: scratch, falling, tenon fracture, beating, breaking and heavy hitting.
Human errors: use of inappropriate voltage, high humidity, water, stain, corrosion, loss, improper storage, etc.
Caused by other abnormal factors. The failure was caused by the unprecedented force of natural disasters.
Other abnormal factors: The damage caused by the installation, appending, expanding, modifying and repair of the product or using an unauthorized third party for parts.
Product aging under long-term UV exposure.
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