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Measuring capacity up to 60V and 100A. 12 gauge wire with Powerpole connectors. Bright green backlit LCD display. Measures 8 electrical parameters: Amps Volts Watts Amp-hours Watt-hours Peak Amps Minimum Volts Sag Peak Watts. No configuration works automatically! Introduction This easy to use meter is ideal for monitoring eight electrical parameters that are essential to electric power safety and performance: Amps Volts Watts Amp-hours Watt-hours Peak Amps Minimum Volts Sag and Peak Watts. With a capacity of up to 60 volts and 100 amps high contrast green backlit display and auto reset feature youll be sure find many great uses for this watt meter and power analyzer. Safety Precautions High power electrical systems pose many dangers. It is the users responsibility to be familiar with these dangers and take any action necessary to ensure safe use. Shorting a battery or battery charger can have serious consequences including explosion fire damage to equipment or personal injury. Initial Setup Wiring The red source wire goes to the positive + source or battery terminal. The black source wire – goes to the negative terminal. Use caution when making connections to ensure all connections are tight use adequate wire size to handle higher amps/current. This watt meter is available with either Powerpole connectors pre-installed or with bare wire ends for installation of your own type of connectors. Watt Meter Display Screen Startup Screen Each time power is applied to the watt meter or the auxiliary power connector the startup screen is briefly displayed. Then the Amp-hours Watt-hours Peak Amps Minimum Volts and Peak Watts parameters are all reset to zero. Display Parameters The display screen will continuously measure and display Amps Volts and Watts. All other values are presented sequentially every second. In the lower left position of the display data values are identified by their units Ah Wh Ap Vm Wp. Amps Current Peak Amps A Ap Only current from source to load can be measured. Drawing current in reverse will cause damage to the meter. The Amps A value displayed shows the average current over the last screen refresh. The Peak Amps value Ap displays the maximum current drawn since the meters last startup. Spikes or peak amperage readings lasting a fraction of a second may also be captured. Voltage Minimum Volts V Vm The displayed Volts V value is the average voltage from the last screen refresh. The displayed Minimum Volts Vm value is the minimum voltage or sag measured on the source side since the meters last startup. It is measured from the load side for the most accurate results. It is measured from the load side for the most accurate results. Watts Power Peak Watts W Wp The displayed Watts W value is the average Watts Amps * Volts from the last screen refresh. The displayed Peak Watts Wp value is the maximum watts measured since the meters last startup. Auxiliary Power Connector Cable By connecting the watt meter directly to a battery or power source the meter requires a minimum of 5V to power itself. However if you are using the optional auxiliary power connector the meter can be powered through the auxiliary source and measure the complete range of 0 to 60V. Another benefit of the optional auxiliary power connector is that it powers the meter through the auxiliary source. The regular source to load measurements become more precise as the measurements do not include the small amount of power required to operate the meter. Only 2 of the 3 wires on the auxiliary power connector are used. Refer to the watt meter black housing for + and – indicators showing how to power the watt meter using the auxiliary input. Connection Example Diagrams Typical Load Testing The following diagram shows the most common use of the watt meter connecting a DC source like a battery solar panel or power supply 5-60V to any DC load. Load Testing Below 5 Volts The following diagram shows the use of the auxiliary power connector which powers the meter externally and allows voltage measurements down to 0V. This configuration also provides increased accuracy and lower loss as power consumed by the meter is not included in the measurements. Battery Charging The following diagram shows how a battery must be moved to the load side to measure battery charge as the power flows from the battery charger source to the battery load. Specifications Amps: 45A continuous 100A peak 0.