Buy ESI 687 80 Amps DC/AC Low Current Probe/DMMESI 687 80 Amps DC/AC Low Current Probe/DMM Product Description:
- 35 test ranges - continuity beep
- 10 test functions - overload protection
- Auto power off - clamp opening 5/8 inches
- Auto - ranging - volt battery included
- Data hold - carrying case included
Product Description
With the capability of measuring down to 1 milliampere (.001A), the DC/AC Low Current Probe/DMM is a great tool for all low current applications. Especially for diagnosing parasitic drains. Clamp opening is large enough to fit over most negative battery cables. Applications: fuel injectors, fuel pumps, electric motors, battery drains, charging systems.
Customer Reviews
Most helpful customer reviews
6 of 6 people found the following review helpful.
Should have bought it earlier
By John C
I have a 2005 Buick Lacrosse that had a battery going dead if the car sat for 2 days. The dealer charged me $90 and told me they couldn't find anything wrong. I bought this meter and in 30 seconds I saw the car was drawing 500 ma of current when parked (it should be about 20 ma). I pulled the fuse for the radio and the current dropped to 20 ma. I haven't had a dead battery since. Now I need a new radio.
6 of 6 people found the following review helpful.
DC current probe
By Paul G. Tudor
This is a nice product. The opening in the clamp is however, NOT 1". So if you are looking to measure the amps on your RV battery cable, look elsewhere cause it probably wont fit.
7 of 8 people found the following review helpful.Excellent current probe
By BB Indiana
My Battery on my GM car was always low on voltage and charge even though it was new.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...
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