I recently picked up the new fieldpiece sc680 in order to review, and have found a few reasons why I would recommend that you avoid it.

The Sc680 multimeter is fieldpieces latest top of the line multimeter, but I have noticed several features lacking as well as one glaring problem.

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As great as the sc680 sounds on paper I did find a few glaring faults with this meter. The first complaint with the meter is its size, It is BIG. The SC680 measures in at 18.5 x 4 x 3.5 inches which is quite a bit larger than any other multimeter I can recall off of the top of my head. Comparing it to my Fluke 902fc at 4.2 x 2.4 x 10.8 inches, the sc680 dwarfs it. You may find it difficult to fit this meter in your tool pack due to its height.

Although the unit does have wireless capability, it is not as useful as I had hoped. At this time, it is not supported with measure quick, ( rumors are that it is in the works to be added as a supported device) but it does operate with the Fieldpiece Joblink App. My complaint is with how this integrates into the app. There is no way to use the temperature readings in the refrigerant portion of the app. It would be extremely helpful if Fieldpiece would allow the temperature readings to be used along with the pressure probes to take unit super-heat and sub-cool measurements on larger pipes than the temp clamp probes allow.

I guess I had assumed this would have been the case, but found that I was unable to get it to function that way in the Job Link app. Hopefully, once the meter is supported by measure quick, this feature will be added.

My next complaint is a major con. I found that when taking amp readings with wireless on my readings were inaccurate. I compared it with several other meters to confirm this. With conductor in the amp clamp and wireless off, the meter reads 0 amps, as soon as you turn wireless on, the meter begins to read anywhere from .5 - 2.5 amps and 10-20v. I again verified this alongside other meters as well as on a VFD. When wireless was off the meter read the amp draw of 8.8 amps which coincided with the display on my VFD and another meter, but as soon as wireless was turned on, the meter began reading 10.8 amps.

I then tested this problem in the 600 aac range and found that when the wireless feature was turned on the meter began to read up to 15 amps higher than the true reading. Having your amp draw readings being over 20% off is a big deal, especially when the whole point of wireless is to ensure accurate amp readings by being able to close panels, blower doors, etc.

Another gripe that I found while using this meter is the HZ measurements off of VFD’s is not as useful as I had hoped. The spec sheet on the field piece website lists the HZ range through the clamp as 10-400 HZ, but I did not find any mention of the min amp draw required to use this function.

I found that while attempting to check the frequency output of the condenser fan motors on a Trane chiller, I was unable to get the meter to read correctly. I was getting erratic readings of 0-120 Hz flashing all over the place. Once I double checked the manual to see what was going on I found that the frequency through the clamp feature has a minimum current range of 7 amps AC for 10-100 HZ, 20 amp AC for 100-400 HZ on the 100 Amp AC range, and a minimum of 25 Amps AC for 10-400 HZ on the 600 Amps AC range. If you were hoping to use the clamp HZ feature on mini-splits, this could pose a big problem.

Those are my main issues with this meter. Other minor complaints are that there does not seem to be any way to disable the constant beeping while taking voltage readings with your meter leads, and the battery life seems to be much shorter than any other meter if used.

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