![]() ![]() The label colors are more subdued than the TM-2025: beige and black. TM-2025 RV version is a little less wide than the TM-2025A and has surface mounted enclosure. Flush mount or use wiremold box to mount. The positive lead to the TriMetric should be fused with a 1-amp fuse. Allows for a maximum battery bank size of 2500 amp-hours. The 1000A/100mV shunt has the same resistance as the 500A/50mV shunt and may be used interchangeably. The Bogart Engineering TriMetric Battery Monitor uses accurate current and voltage measurements to calculate and display the current state of battery charge. Use a 1000-amp 100mV shunt for systems with stacked XW inverters or where continuous current is over 300 amps. Use the 500-amp shunt if you have a 12V inverter larger than 800 watts or a 24V inverter larger than 1600 watts. YosemiteBobR-According to the Trimetric 2025 manual I have, there are two recommended value for P2, per section 6.4: 1) If not constantly in float mode (usually meaning plugged in most of the time), set for one-fiftieth of battery capacity in amp-hours, e.g., for a 220 Ah battery set, set to 4.4A ( 220/50). The TriMetric can be located hundreds of feet away from batteries using inexpensive 4-conductor twisted-pair meter wire. It also records min and max voltage, days since batteries were last charged, days since equalized, and total lifetime amp-hours withdrawn from the batteries. Another LED flashes when batteries should be recharged, equalized, and during low battery voltage. Amp-hours can be displayed in actual amp-hour numbers or as "% full." An LED lights when the battery is charging and flashes when the battery has been fully charged. It reads volts, amps and amp-hours on an LED display. This updated version of the 2025 amp-hour meter operates on 12, 24 or 48 volts. ![]()
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