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Kansas Wind Power-W, 13569 214th Road, Holton, KS 66436       Phone/Fax: 785-364-4407


Monitor your batteries, loads and charging. A voltmeter is usually connected with small wires and fuse to the battery or distribution box. It can be mounted near the control box or in a convenient to read location. Ammeters are connected in series with a battery lead. Digital meters are easy to read.

TriMetric Battery Monitor 12 - 48 volts    Battery Fuel Gauge

Monitors: Volts - Amps - Watts - Amp Hours - Percent Full

Recommended for homes, cabins, boats, RV’s.     Our most popular battery meter.     
Lightning Protector Circuit.
More compact model with surface mounting box included.  Model TM-2030-RV

M201RV 2 lbs $195 

Special $175

A quick look at the TriMetric Battery Monitor and you will know how much power is left in your battery. This meter can help you operate your energy system more effectively for better battery life and power. It shows and keeps track of amps going in or out of battery. Charge light shows when battery is charging. Battery reminder light shows when: 1. Battery should be recharged. 2. Battery needs equalize charge. 3. Battery voltage is too low. Extra memory features shows total days since full charge, amp hours removed since full charge, total amp hours removed from beginning— up to one million, maximum and minimum battery voltage since last reset. Also retains last 5 days of maximum battery voltage and minimum charging amps which is helpful in troubleshooting battery system.
Helps save valuable energy by letting you see how much you're using.
Use "amps" reading 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. Meter can be mounted almost anywhere it is convenient to read—even several hundred feet from the shunt which you locate at battery’s negative lead. Use your own wire or the 50' Cable listed below. 1 year warranty by factory. 3.2” x 4.3” x 1.4",   

 A shunt is required for the TriMetric Battery Monitor. We have two sizes.  500 amp 50 mv shunt is the most popular shunt. Systems with inverters usually need the 500 amp shunt. This shunt allows the meter to read down to 0.1 amps. A 100 amp shunt is available for systems with smaller amp loads (under 70 amps to prevent overheating). Accuracy is the same with either shunt, but the 100 amp shunt allows an extra digit of amp resolution - down to 0.01 amps.

Shunts for the TriMetric Battery Monitor Please provide forced ventilation if shunt temperature exceeds 293 degrees Fahrenheit (145 degrees Centigrade).
500 amp, 50 mV  (335 amps for continuous use)  M220 2 lbs $50   Special $30
 100 amp, 100 mV (67 amps for continuous use)   M221  1 lb  $40   Special $26

These cables makes it simple to connect meter to shunt and to the battery.
35’ Cable
with fuse and ring connectors on one end. 22 gauge 4 wire twisted pair.  M205 3 lbs $33 Special $26
50’ Cable
with fuse and ring connectors on one end. 22 gauge 4 wire twisted pair.   M204 3 lbs $40 Special $32

Battery Monitor  12, 24,36, 48 volt

Low cost and simple to use. Colored LEDs show approximate state of charge (based on battery voltage) in 10 percent increments. They are red for low, amber mid-range and green for upper range. On the left are 3 LEDs: green for battery fully charged recently, yellow for not fully charged for a week, and red for not fully charged for 2 weeks. Install indoors in dry protected area within 30' of battery. Simple connection to battery positive and negative. Maximum input voltage is 70 volts. Average consumption current at 12 volts is 15mA. Reverse polarity protected up to 100 volts. Automatic voltage selection. Internal jumper to select flooded, AGM or Gel battery type. 4.75" x 3.76" x .85" 
  2 lbs $70  Special $60

       AC Meters   Know where your 120 volt AC power is going so you may reduce waste.

Kill A Watt meter      Electricity usage monitor

Kilowatt-Hours, Watts, Volts, Amps, Hz, Power Factor, Volt-Amps, Elapsed Time

The cost of electricity can really hit your where it hurts. Now with Kill A Watt you can reduce energy costs and identify the real energy abuser's. Simply plug your appliances into Kill A Watt and it will assess how efficient they really are. Large LCD display will count consumption by the kilowatt-hour just like your local utility company. You can figure out your electrical expenses by the day, week, month, or year. Evaluate the quality of the electrical power provided by your utility company by monitoring voltage (Volt), line frequency (Hz) and power factor (VA). Perfect for detecting voltage drops and brownout conditions before they damage delicate equipment. Find parasitic loads and wasted energy. Monitor refrigerator, freezer, microwave oven, toaster, mixer, clocks, TV, VCR, radio, stereo, lights, fans, garage door opener, computer, monitor, printer, copier, cordless phone, battery charger, clothes washer, gas clothes dryer, vacuum cleaner, etc. The knowledge you gain from Kill A Watt can save you thousands of dollars. Maximum voltage is 125 VAC, maximum current is 15 amps, maximum power is 1875 VA, 0.01 to 9999 KWH maximum, 9999 hours maximum. Counters will reset to zero when they reach maximum. 5-1/8" x 1-5/8" x 2-3/8". Made in China. 
P4400  2 lbs $45            

Kill A Watt EZ meter  120 volt AC


Kilowatt-Hours, Watts, Volts, Amps, Hz, Power Factor, Volt-Amps, Elapsed Time,


Similar to above meter but with more features. Has Built-in Battery Backup and can calculate dollar costs and forecast by the day, week, month or year.  Made in China. 
P4460  2 lbs $60  Limited  Special  $45

Digital Kilowatt Hour Meter

These are like the meters commonly used on houses. Easy to read mechanical digital display. Use to monitor inverter outputs, appliances, water heaters, air conditioners, etc. Mounting sockets are new, meters are reconditioned and calibrated.

120 volt AC,  100 amp  M132  9 lbs  $65

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Last modified: 06/16/22 
Kansas Wind Power - W,  13569 214th Road, Holton, KS 66436   785-364-4407,  All prices and specifications are subject to change without notice.