Monitoring Systems!
"At Solar Taos, LLC we have been living and running our woodshop with clean,
reliable electric made by the sun and Wind
for over Two decades and we love it and we know you will too!"
 

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System monitoring meters are a very intricate part of any healthy energy system. No mater how big or small or whether it is solar, wind, hydroelectric, or any combination there of.  Since all these systems except a few such as utility interconnect rely on batteries to store the electric which is generated, it is important to know the health of those batteries.  The additional cost of one of these meters will more than repay you in the costs of batteries alone.  Although batteries are in my opinion, perhaps the weakest link in all small electric systems, that doesn't mean that you can't do something about that.  And having a good monitoring system is the best way to start.

We are offering you several different meters which all have their benefits based on your needs. Some controllers and inverters come with some metering capabilities which are helpful and could do in a pinch.  However it is our experience that you should still have one of the below metering systems to truly know your batteries status.

TRI-METRIC, MODEL 2020 BATTERY SYSTEM MONITOR

Measures Battery Volts, Amps, Amp-Hours, Battery Percent Full, and Five Other Data Functions.

If your home, R/V or boat depends on batteries for electrical power,
here's why a battery system monitor should be part of
your electrical system.

photo of MODEL 2020 BATTERY SYSTEM MONITOR
click for a larger image

Size : 4.5 x 4.75 inches.
Shown in optional "double gang" box.

 

The Tri-Metric battery monitor is designed to assist in battery care, conservation and system maintenance of battery powered systems that use storage batteries with system voltage from 12-48 volts.


It provides the user with information on battery "volts", "amps" and "amp-hours" and "battery percent full" information, based on measuring the amp-hours removed from the battery system. Reliability, accuracy and simplicity are key product objectives. The Tri-Metric requires an external shunt located near the batteries to measure "amps" and "amp-hours". The meter readout may be located hundreds of feet away from batteries and is usually connected to the shunt with a 4 wire cable.
 


 
The Tri-Metric (Model TM-2020) has been available since April 1998 and incorporates "user friendly" features including a "Battery % full" display, and a "battery reminders" to help users to better care for their batteries. The suggested retail price of the TM-2020, with shunt is under $200.

Instruction manuals and other information for the Tri-Metrics:The following documents are in Adobe Acrobat (.pdf) format for which you need the "Acrobat reader" program on your computer. If you are unfamiliar with Adobe acrobat format, click here: About Adobe Acrobat for more information.

How to use the Tri-Metric
or other battery monitor to conserve energy, maintain batteries and monitor system operation.....more basic information than in the TriMetric instruction manual. THIS IS NOT THE REGULAR INSTRUCTION MANUAL. They are located a few items down from this.

A Tri-Metric user's manual (15 pages) designed to aid the intelligent energy user about the basics of using a renewable energy system. It explains "volts", "amps", "amp-hours" and battery care. It assumes no knowledge about electricity.

Troubleshooting the Tri-Metric. Newly revised, May 2004:

Troubleshooting the Tri-Metric. Information for the technician on what do if the TriMetric does not work as you expect. (about 5 pages)

Shunt information.

Information on shunts. What a shunt is for, power considerations, specifications for a few 500A and 100 A shunts. (2 pages)

Instruction manuals for TM-2020:

Instruction manual and wiring diagram for TM-2020 Revised October 2005. (16 page PDF document) in Adobe acrobat format.
Orientation page for TM-2020 (2 pages PDF document) Quick setup information in Adobe acrobat format

How to connect the Tri-Metric to measure ONLY the Solar, Wind, (or other) input charging source

How to connect the Tri-Metric to measure only an input source.

Instruction manuals for (now obsolete models) TM-1B and TM-2B:

Instruction manual for TM-1B and TM-2B, part 1: Installation and basic functions: Volts, amps, amp hours (8 page PDF document) in Adobe acrobat format..

Instrunction manual for TM-1B and TM-2B, part 2: Supplimentary instructions for 7 extra data functions. (8 page PDF document) in Adobe acrobat format.


Instruction manual for TM-48V, 48V adapter and lightning protector:

48V adapter and lightning protector: Instructions, specifications and wiring diagram of (model TM-48V ). When connected to the TriMetric it adapts the standard TriMetric for 48V (and 32V) systems, and also provides a high degree of lightning protection for the TriMetric used at any voltage. (2 pages)


Cable diagrams

Cable 1:  Detailed cable diagram for connecting TriMetric to battery and shunt, up to 300 feet away, using 6 conductor, #18 cable. Shows fuse, ring connectors and method of connection to meter. For connection to systems less than 55 feet away, see below.
Cable 2: Detailed cable diagram for connecting TriMetric to battery and shunt, up to 55 feet away, using 4 conductor, #22 cable. Shows fuse, ring connectors and method of connection to meter.
CONSERVATION BATTERY CARE SYSTEM MAINTENANCE
Helps save valuable energy by letting you see how much you're using
  • Use "amps" to educate users about how much energy different electrical loads draw.
  • Check that all loads are really off when you think they're off.
  • Check for "phantom loads"-small loads that steal power 24 hours per day.
  • Keep informed about how much energy you have left in your battery system.
  • Reduce generator use by knowing when you can efficiently shut it off because batteries are approaching full charge.
  • Provides information you need to protect your battery investment.
  • Know when to turn on your generator to avoid damage from over discharge.
  • Check that charging systems are charging to correct voltage for longest life.
  • Be reminded not to let batteries go too many days between a full charge
  • Helps locate system problems when they occur.
  • Monitor solar arrays and inverter/chargers to be sure they are still charging at proper rates and voltage.
  • Find out if batteries are still holding energy properly.
  • Even if you're not an expert, a dealer or other knowledgeable person can more easily help you "by phone" to locate a problem if you have a monitor on your system.
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    Pentametric Battery Monitor

    The Pentametric monitor measures 1 or 2 battery systems with a common negative. With one battery system, battery current plus two charging sources/loads can be measured.

    The new PentaMetric battery monitor system offers a lot more capability than the TriMetric monitor. The complete system consists of 3 parts: Input unit (near batteries), Display unit (shown above) and computer interface unit. It can monitor up to 3 shunts: For example; measure total solar input and wind input independently in addition to monitoring battery "state of charge". You can access the data with display unit (shown above) with LCD display and buttons up to 1000 feet from batteries.

    An optional computer interface with (Windows) software allows you to control and read out all data from the computer. It has a relay output to control a generator or external alarm and it has audible and visual alarms for high and low battery conditions. 2 year warranty.

    Basic measurements include:

    2 voltage channels: 8-100 volts. (For example you can monitor volts from two battery systems.

    3 amperage channels ±.01-200 Amps (with 100A/100mV shunt).± 0.1-1000 Amps (with 500A/50mV or 1000A/10mV shunt) Each of these requires a separate

    Secondary measurements

    Amp hour (3 channels) to ±83,000 Amp-hours

    Cumulative (negative) battery amp hours. (2 channels)

    Smoothed (time filtered) Amps

    Smoothed (time filtered)

    Volts (2 channels) 0-100 Volts.

    Watts(2 channels) ±.01- 20,000 watts

    Watt-hours(2 channels) ±21,000 kilowatt hours

    Battery %full (2 channels) 0-100%

    Days since batteries charged (2 channels) .01-250 days

    Days since batteries equalized (2 channels) .01-250 days

    Data logging functions.

    There are 3 types of data logging functions. With the computer interface all 3 types can be output to spreadsheet file.

    1. "Periodically logged data" can record any or all of the following at regular intervals: once per day to up to once per minute, Amp hours (3 channels), Watt hours (2 channels), Temperature max/min (1 channel), Volts (1 channel), Amps (1 channel)
    2. "Battery discharge voltage profile" data logs volts and amps every time charge level changes by 5% (or 10%) for 1 or 2 battery systems.
    3. "Battery cycle efficiency data" documents system efficiency for up to 2 battery systems.

    *8 conductor wire below is ok for measuring 1 battery.

     

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    Xantrex Link 10 Meters

    Link 10 meters provide complete battery status information for a battery bank. Simple and easy-to-use digital display shows volts, amps, amp hours consumed, and operating time remaining. It also has an easy to read multi-color LED bar graph. The Link 10 allows you to select Automatic, Sleep and Scanning modes and automatically calculates and displays charging efficiency. By adding an optional prescaler, Link 10 can monitor battery banks up to 500 volts.

    The splash proof panel allows for outdoor mounting and hands free operation. It displays key historical battery information such as charge efficiency, deepest discharge, and average discharge and they are compatible with 12 and 24 volt DC systems. The shunt is included. The Accessories include Prescalers (0-100 or 0-500 volts) to extend voltage range covered by your meter.

    One year warranty

     
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    Xantrex TM-500A

    The TM-500A is similar to the Trimetric Meter in a special package with fuse and fuse holder. An improved display shows volts, amps, amp-hours and percent without changing mode. Very easy to install and use. Installation is simplified with a special shunt that includes a phone-type jack. Install the shunt, plug the special six-conductor cable in to the shunt and meter and all the connections are made! Meter shows days since fully charged, cumulative amp hours, recharge indicator, low voltage indicator, and full charge indicator.

    Comes with a 50’ six conductor cable with jacks, fuse, and a special 500A/50mV shunt. Also is capable of turning DR, PS, and UX inverters on and off. 2550 amp-hour max battery size. Longer length cables are available for long runs. Use the 48 volt adapter for 48 volt systems.

    The TM-500A is not recommended for use with Outback PS2DC and PS4DC power system boxes because the Outback shunts will not match the shunt circuit board that comes with the meter. We recommend using the Tri-metric with the PS2DC or PS4DC.

    Dimensions: 4.55" x 4.55" x 1.725".

    2 year warranty.


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    Prices have been unsteady, since the Iraq War and in most cases we have been able to absorb the difference. 
    Should there be a  price increase, you will be notified before we ship so you can make a decision as to keep the purchase or not. 
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    On some large items such as appliances, batteries, etc. the shipping and possibly crating fees may be extra.  These items are noted by an * at the end of the Part Number. 
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    This Web Site is Maintained by Taos Artist, Terry Wolff - Artes del Lobo
    Last up-dated on 01 July 2008