MST-880 Spark Plug Tester is a high-voltage detector, so when the detectors are not in use, be sure to take the battery out to avoid danger.
MST-880 Spark Plug Tester
1. MST-880 Spark Plug Tester is a high-voltage detector, so when the detectors are not in use, be sure to take the battery out to avoid danger.
2. If the discontinuous state appears in the process of using, that is normal, please loosen the switch with 3 seconds, you can continue to use.
In automobile ignition system, the high-voltage ignition coil generates a high-voltage (10,000 volts or more), and the spark plug diverts it from high-tension ignition coil into the cylinder engine, spark between the spark plug electrodes will ignite the mixture. The detector could tell the good spark plugs from the bad by the strength of the spark.
1. Place the spark plug on the pedestal
3. Press the key switch, the red LED will illuminate and the good spark plug will generate a strong spark and the bad will generate a faint one or not .
4. Loosen the key switch, take the spark plug down the tester by pinching the bottom of it.
1pc x MST-880 Spark plug tester
1pc x 12V linear regulator
1pc x User's manual
For MOST non-free shipping goods, default shipping method is DHL. Need 3-7 working days on the way after dispatch the goods.YANWEN Express:
7-14 working days on the way, no need to pay tax for most european counties.EMS:
6-10 working days on the way. To Russian only send by EMS. For some remote area, if you do not want to pay remote fee, we can send it to you by EMS too.Aramex:
5-10 working day. To most middle east counries. If you do not like this shipping method, please leave message on your order.Flat airmail:
7-18 working days on the way. For remote area or holiday, need more time.Attention:
If you needs YANWEN express shipping or other shipping method like UPS, TNT, FedEx and so on, or you have special needs for your order, such as declared name and so on, please leave message on the order to notify us
. Otherwise we will send the order as our usual practice.
As different country has different import policy, sometimes we will change the shipping method based on the counties and goods.
When you get the parcel, before sign for acceptance, please check the package to make sure the product is correct and no damage. For any question, please contact us at:Online Customer Service