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Identifying Rope CTs

The eGauge supports Rope CTs from three different manufacturers. In order to determine which CT t...

Can the CTs be extended?

CT leads can be extended, please refer to this article for more information.

Installing Continental Control Systems Accu CTs

Like most ferrite core CTs, Accu CTs from Continental Control Systems (CCS) are prone to damage i...

EG4xxx owner's manual

The owner's manual for the EG4xxx line of hardware. To download, click the link or icon below.  ...

Extending the length of the CT leads

Split core CTs can be extended with twisted pair wire to cover much longer distances. STP (shield...

Voltage registers

Voltage registers are configured in much the same way as power registers (the default register ty...

Amperage Registers

The eGauge can be set to record individual CT amperages as separate registers. Unlike power regis...

Power Factor

Although the eGauge uses power factor to calculate real power, the power factor values are not st...

Power Register Subtypes

By default, the eGauge will record Power registers as the "Net" (=) subtype. This means the regis...

THD Registers

The eGauge can calculate Total Harmonic Distortion (THD) on a given CT or voltage reference. Each...

Connection Quality

The eGauge can record network connection quality as a percentage value (0..100). This information...

Net import/export registers on line side tap system

On a backfed PV installation (that is, an installation where excess solar production is fed back ...

Net Usage/Generation Registers on a Backfed System

In some cases, it can be useful to graph the net flow of power to and from the utility, instead o...

Reactive Power (kVAr)

Reactive power can be recorded using a formula register. First, create a power register for the ...

Initial Configuration Steps

The eGauge must be configured for the system monitored or data will be invalid. To configure the...

Commissioning readings with the Channel Checker

After configuring the eGauge, it is necessary to commission the readings to ensure accuracy using...

Potential Transformer Configuration

The eGauge AC voltage inputs can handle up to 277Vrms between any line input (L1, L2, L3) and neu...

eGauge Configuration Guide

The eGauge is a powerful, highly accurate piece of monitoring hardware. However, it is essential ...

How much data (bandwidth) does the eGauge use?

The eGauge meter stores all data locally on the device itself, meaning it does not need to be con...

Firmware Upgrade Bugs before v4.0.4 (EG4xxx)

Certain firmware versions prior to 4.0.4 have problems with firmware file uploads. On EG4xxx (Cor...