[VIDEO]: WattsOn-Mark II Installation

This video discusses installation of a WattsOn-Mar...

[VIDEO]: WattsOn-Mark II Measurement Troubleshooting

This video covers steps to diagnose, identify and ...

WattsOn Troubleshooting

Most issues regarding unexpected readings from the...

Modbus Troubleshooting

For detailed RS-485 Troubleshooting steps, please ...

WattsOn-Mark II LCD Display Bootlooping (Constantly Rebooting)

A known issue has been identified in certain -DL m...

Current Transfomers

The WattsOn transducer is unique in that it can be...

WattsOn-Mark II Energy Reset

  Meters with an on-board (black and white LCD) di...

WattsOn-Mark II -E4 Firmware Recovery Procedure

The WattsOn-Mark II, ethernet enabled models (W2-E...

CT Ratios Explained (WattsOn-1100 / -1200)

The original WattsOn-1100 and WattsOn-1200 meters ...

CT Wire Length and Extension

Depending on the type of CT used, the leads may be...

Power Supply

The WattsOn requires a 15-24VAC or 20-30VDC, 100mA...

Pulse Scaling

By default, the pulse value is 1Wh / pulse, but yo...

WattsOn-DISP Troubleshooting

The DISP installation manual is located here: h...

WattsOn (including Mark II & MCM) Fuse/Breaker Requirements

The WattsOn & WattsOn-Mark II Power Meters req...

Using Multiple CTs per phase

Depending on the model of WattsOn used, it is poss...

Using WattsOn in Single/Split phase installations

The WattsOn meter was natively designed for three-...

WattsOn & WattsOn-Mark II Re-calibration / Re-certification Period and Requirements

Periodic Re-calibration / Re-certification periods...

RC-600 (Rogowski Coil) Output Lead Length

Elkor's RC-600 Rogowski Coils are precision device...

Understanding Modbus Register Addressing

Power Factor sign changes from positive (+) to negative (-)

The sign of the power factor comes from the sign o...

Negative Power Readings

Power (watts / kilowatts) is calculated from the m...

[VIDEO]: Configuring CT Ratio using the WattsOn-Mark II built-in Display

The following video tutorial outlines how to set t...

[VIDEO]: Changing "Energy Integer Divider" setting on WattsOn-Mark II using the LCD

This video demonstrates how to change the "Energy ...

[VIDEO]: Using "Register Operations" from the WattsOn-Mark II LCD Menu

This video describes the use of the "Register Oper...

[VIDEO]: Configuring Network Settings on WattsOn-Mark II (-E4) and ETport

This tutorial describes how to install, discover, ...

Effect of CT Phase Shift on Metering Accuracy

The phase shift of a current transformer (CT) is i...

WattsOn-Mark II XBUS Port

The XBUS port (to the left of the Modbus Port) was...

WattsOn-Mark II LED States

The following charts show the LED state definition...

WattsOn-Mark II with SMA DataManager M for Export Limit and Zero Export Applications

The following whitepaper was created by SMA for us...

Recomissioning an original WattsOn meter (prior Fat Spaniel / Power One / ABB installation)

WattsOn-1100/-1200 meters originally deployed by F...

WattsOn-Mark II Advanced Configuration

NOTE: Elkor does NOT recommend using these configu...