TriMetric 2020 battery system monitor

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TriMetric 2020 battery system monitor
Item Code : 193
Our Price : $ 163.00
List Price: ~~$ 178.80~~
You Save: $ 15.80 (8.84 %)
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TriMetric 2020 battery system monitor

The TriMetric battery monitors are 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. They provide the user with information on battery "volts", "amps" and "amp-hours" and the newest version also provides "battery percent full" information, based on measuring the amp-hours removed from the battery system.

Reliability, accuracy and simplicity are key product objectives. The TriMetric 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 newest version of TriMetric (Model TM-2020) has been available since April 1998 and incorporates some "user friendly" improvements including a "Battery % full" display, and a "battery reminders" feature to help users to better care for batteries which should make it the more favored choice for most users. However all TriMetrics measure "volts" "amps" and "amp-hours" with the same accuracy.

Image shown with optional white double gang box.

OPERATION AND SPECIFICATIONS
The information you need for better battery care, energy conservation, and system maintenance! Measures battery volts, amps and amp hours.

BATTERY PERCENT FULL display shows how full the battery is by the most accurate method: measuring amp hours expressed as a percentage of a full battery. AMP HOURS FROM FULL shows how much energy has been taken out of a full battery.

EASY TO UNDERSTAND FRONT PANEL AND CONTROLS All display and RESET functions are explained on panel. The six less used functions are easy to access, yet easy to ignore if not needed drawing of MODEL 2020 BATTERY SYSTEM MONITOR front

NEW "BATTERY REMINDERS"
Make good battery care easier: shows when recharging should occur, or battery voltage gets too low. It's important to periodically fully charge lead acid batteries to keep them in good condition. Program the desired maximum number of days(1-60) between full chargings. Then, if the batteries exceed that time without being fully charged the BATTERY REMINDERS lamp will occasionally blink, and the display will flash "Ch. F", (as shown on the label) every 5 seconds to explain the reminder. Similarly, program in desired number of days (1-250) between battery equalizations and the TriMetric will remind you when to equalize. (When equalization is accomplished you'll need to reset the"days since equalized" data so it will remind you again the next time). Program in the desired value of"lowest battery voltage" and the lamp will flash when battery voltage falls below that voltage. You can disable any or all of these.

MAIN DATA FUNCTIONS
Push SELECT to cycle through these:

Battery Volts: Reads 8.0 to 35.0 volts accurate to ±.08 volt including "digit resolution" accuracy. An optional adapter extends this to 70 volts for 32 or 48V systems and delivers lightning protection too. Please see accessory section for additional information.
Battery Amps: Measures amps into and out of battery, accurate to ±1%±1 least significant digit. Or the meter may be set up to measure only incoming amps from solar array or other energy source, or only load amps if desired. Resolution and maximum amps depends on choice of shunt. With the 100A/100mV shunt: measures 0.01 to 250 amps. With 500A/50mV shunt: measures from 0.1 to 1000 amps. Shunt type is programmable, so amps always display correctly. Speed of response one second time constant.
Battery Percent Full: This number is based on net-amp hour reading divided by the user programmable value of battery capacity. This is more reliable than other methods which do not use amp hours to compute battery energy content (for example less expensive monitors which rely only on battery voltage to estimate energy content). There is a (user programmable) choice of two ways to display this result: (1) an exact, literal reading from 0-100% in increments of 1%, or (2) a more"honest" display which shows in steps of 5%, and displays "FUL" when above 92%, and "LO" when below 27%. Although the meter amp hour measurement accuracy is ±1%, this option is intended to reflect the fact that the system accuracy in determining how much energy content in an actual battery system, (assuming the batteries are recharged fully at least every week) is more honestly stated as ±5%. The assumed BATTERY CAPACITY, upon which this display is based, can be programmed from 10-2550 amp hours, in increments of 10 amp hours.
Display Off: The display may be turned off (for lowest current draw of 16 ma.)

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