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Reviewed in the United States on July 9, 2020
Now using this with my MorningStar SunSaver MPPT 15A solar controller. The data provided is very useful and appears to be accurate. Once you get familiar with the menu structure, there is a wealth of technical data available. The RJ-10's (6-pin) 30' cable length is more than adequate for most installations. I use a T-connector at the far cable-end so I can also link the data feed to my computer (one or the other - can not use both simultaneously).If looking at this meter in the dark of night the text is readable, but in most other area lighting situations, you may need to have a light source mounted nearby to read the data. I plan to add a shaded LED light above the screen in future.
P.W.
Reviewed in the United States on November 30, 2020
The Morningstar RM-1 arrived early and in perfect condition. It functions as documented in the RM-1 MS-ZMAN-RM01-A and SSMPPT MS-001178 v3.7 manuals, the SSMPPT.APP MS-ZMAN-RM03-B meter map, and the SSMPPT-Fault-and-Alarm-Codes. No surprises, and for me it is handier than using MSView to query the same parameters.
Mitchell
Reviewed in the United States on October 21, 2018
Plug and play. I paired it to a trackstar mmnp controller. This controller is 11 years old and was previously connected to a old anolog amp gauge. This is light years better than that , knowing current voltage , temperature,amperage and Amp hours is great. The long cable and surface mount trim include is awesome.
Customer
Reviewed in the United States on January 9, 2017
Great Product, "actual" instructions and customer service to back it!!! Morningstar should be the standard of solar equipment.
AMR
Reviewed in the United States on August 14, 2016
Works well. Not truly "backlit" on the LCD display, but adequate to see. I wish it had a reading on the amps being put out by the solar panels, but that is a small quibble.
GKL
Reviewed in the United States on July 11, 2016
Well built, easy to hook up. Nice to have the current readings easily available.
Anthony Fiorino
Reviewed in the United States on July 10, 2015
I no longer have to go outside to see what is going on with my solar. Easy to install. Thanks!!!
jaden billeter
Reviewed in the United States on April 13, 2014
I used this on our toyhauler, I would recommend this to anyone who is going to install a solor panel on their RV.Very easy to install and to operate.
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