|Item Weight||12.8 ounces|
|Product Dimensions||9.4 x 4.4 x 2.5 inches|
|Item model number||687|
|Manufacturer Part Number||687|
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ESI 687 80 Amps DC/AC Low Current Probe/DMM
|Price:||$128.33 & FREE Shipping. Details|
|Special Shipping Information: Due to federal and international regulations, this product can only be shipped within the continental United States.
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Top Customer Reviews
I suspected 'phantom' currents were sapping the battery when the engine was not running because charging voltage was within specs. Not wanting to go through the 'pull a fuse at a time' procedure to check for current draw I purchased the ES 687 current probe and Digital multimeter.
Beautiful, withing 30 seconds I clamped the probe around the negative cable of the battery with the engine off and read only a normal 35 milliampere drain. It was not battery current leakage but something else! Probably city start-stop driving.
The current probe measures current through a wire WITHOUT cutting the wire and inserting a meter. Just clamp the probe around a AC or DC carrying wire and read the current. There is also a standard Digital Multimeter and a few extras like frequency measurement.
I did get fooled until I read the instructions.... You need to ZERO (push a button) the meter In The LOCATION that you are going to measure current. Do that and it works great! All the metal influences under the hood have to be canceled out before you get an accurate reading.
Included are a couple of automotive type fuse adapter loops. Pull the fuse, insert the adapter in the car fuse socket, insert the car fuse in the adapter and clip on to the wire loop with the instrument to measure current flowing through the panel fuse. Neat!
I'm going to check the AC and DC currents around the house and see how much things really do draw at idle...
Typically you clamp around JUST ONE WIRE to measure current. With a sharp knife I carefully split a portion of several cables so I could get at just one wire.
I'm very happy with this product...
UPDATE: I received the replacement and it works great. No problems now.
Manage your expectations. The test probes are cheap. The test probes were spotty for use, the negative lead has required some jiggling in order to make a connection to the unit, I use the ohmmeter to get the connection solid, then use it as a volt meter; otherwise the reading is non-sensical. I have other meters for the other ranges, and purchased the unit primarily for its hall effect current probe sensor so am not disappointed.
Most Recent Customer Reviews
New as described. Easy to use and appears accurate when checked by my other tools. Use to check current load when I change lamps to LED and anywhere that has somewhat tight access,... Read morePublished 2 days ago by Laurence A.
Works great. It is the same as a more matco unit but at a realistic price. Matco even uses the same model number but wants nearly $200. Buy this and save moneyPublished 11 months ago by Will B.
Never even turned it on. Clamp opening is only half inch.. not 5/8!Published 15 months ago by jsufls
Very nice clamp meter. Accurate to .001 ma. Clamp hole could be a little larger for use with automotive battery cables but fits most. Light is a bit dim but works ok. Read morePublished 17 months ago by mark079