A1：First determine the parameters to be measured, such as voltage, current, resistance, etc., and then select the appropriate range according to the approximate range of the measured value. If you are unsure of the size of the measured value, you should start with a larger range and then gradually reduce the range to obtain a more accurate reading.
Q2: What is the reason for the unstable reading of the multimeter?
A2：It may be due to the loose test line or poor contact, you can reconnect the test line to ensure that the connection is firm; It may also be subject to external interference, such as electromagnetic fields, static electricity, etc., you can try to change the measurement environment or use a shielded wire.
Q3: Why a multimeter will have a numerical jump?
A3：This is mainly because of the influence of the external electrical atmosphere, including the field electromagnetic field, air static interference. When the red and black pen is shorted and the multimeter reads 0 or close to 0, the normal test can be performed
Q4: Why the Analog multimeter doesn't return to zero?
A4：The battery may be low or the internal component is damaged. Replace the battery with a new one and check whether other components are damaged.
Q5: How to quickly detect the quality of the multimeter fuse:?
A5：Set the multimeter to the "Ω" position, use only one pen, plug the part into the Ω jack, and use the pen tip to insert the "A" and "mA/uA" jacks, if there is A reading, it means that the fuse is good (" A "jack should read 0-0.5Ω," mA/uA "jack should read about 10KΩ). If "OL" is displayed, it indicates that the fuse is burned.
Q6: How long is your delivery time?
A6：Normally it is 3-5 working days if goods are in stock, Or it is 30 days for bulk order. If the quantity is more than 10k per model, we will inform you before order has been made.
Q7: Can I get a sample before mass production?
A7：Yes, you can require samples after we confirmed the price and all the specifications. If it is a customized product, the time of making sample is generally 7-10 days
Q8: Will you provide any after-sales service?
A8：Our sales team will provide you with one-on-one service to solve all your after-sales problems. We also have engineers available to answer any questions you may have about our products.
Q9: Can you do OEM/ODM?
A9：Sure, We will provide professional OEM/ODM service according with specifically designed and manufactured for customers specific market application, such as customized color,silk-print logo and personalized packaged etc.
