MAIN FEATURES:
The Series 4000 is factory programmed offering one model for both 3 or 4 wire services or
branch circuits. The factory has program the Amperage, and a 15-min. demand period (KW4000
only), according to the distributors purchase order.
There are six (6) kWh digits across the top section of the display, which are the kilowatt-hours
accumulated. There are no resets available for kWhs, like a utility meter and there are no
multipliers needed to read the energy consumed. There are three additional readings along the
bottom of the display. These readings are three digits of voltage, three digits of amperage and
three digits of instantaneous kilowatts. These power readings will display “HI” when the
readings go to 4 digits i.e., 1000 Amps or kW.
The Series 4000 Demand Meter (Model KW4000) will scroll to Maximum Demand (pd). The
demand interval is factory set at 15 minutes unless otherwise instructed. Sliding or Rolling
Window is the demand method used by this meter.
The factory programs the relay to1-KWhr per pulse, as a standard unless otherwise instructed.
There is a RS485 ModBus terminal next to the relay. This port works with our Intelligent
Converter that plugs into the RS232 Com Port in your computer. NMI offers software programs.
Call the factory for more information.
The voltage and the current terminals are removable. If a field calibration check is necessary the
terminals simply unplug and a portable meter tester can plug into them. These terminals are a
standard feature on all of our meters. Also the CTs have two extra terminals that are used when
paralleling two sets of CTs. Remember Current Sensors with voltage outputs cannot be
paralleled. Voltage is not additive in parallel, where current is.
There are holes in each corner of the meter for mounting the meter against a plywood board,
sheet rock wall or switch boards. We don’t recommend that the meters be mounted against a
concrete wall. If there are any technical questions that this manual does not cover please call our
technical desk at (603) 753-6321.
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