Eva Meter Reader

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Here is how to get started with your Eva Meter Reader

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1 Introduction

This Meter Reader connects to your AMS electricity meter through the HAN port (Meter Bus) and reads your electricity consumption in real time. Connected to your Smart home it gives you an updated overview of your power consumption in real time.

The Meter Reader supports all AMS electricity meters, including Aidon, Kamstrup and Kaifa.

The HAN port on your electricity meter is disabled by default, so you must notify your electricity company that you want to activate it.

1.1 Important safety information

  • For indoor use in dry environments only.
  • The Meter Reader can be used in temperatures ranging from 0 ºC to 40 ºC.
  • Keep batteries out of children’s reach. To swallow a battery could be fatal. If this happens seek medical attention at once. Before disposal always cover the battery in plastic tape to avoid possible short circuit. SAVE THESE INSTRUCTIONS.
  • Only use correct type of battery. There is a risk of fire or explosion, if the battery is replaced by an incorrect type. Dispose of used batteries according to instructions.
  • This product is not a toy, keep out of reach of children.
Failure to observe recommendations included in this manual may be dangerous.

1.2 What's in the box

  • Meter Reader
  • Antenna 
  • HAN port connection cable (standard LAN cable with RJ45 connectors)
  • CR123A battery
  • Safety instructions

2 Installation
2.1 Getting started
  1. Attach the antenna to its connector on the Meter Reader by screwing it clockwise. Note: Do not use the device without the antenna.
  2. ...
  3. Open the snap on top cover of the Meter Reader as shown in the illustration. This will give access to the battery holder and the push button.
  4. ...
  5. Remove the battery protection strap and make sure the polarity is correct. Note: The LEDs will blink alternating blue and red indicating start up and afterwards show a pattern of 3 short blue blinks every second indicating pairing mode.
  6. Reattach the top cover to the Meter Reader by pushing it into place.
2.2 Pairing the Meter Reader to a hub/gateway
  1. Follow the instructions in your smart home app to add/pair units.
  2. Check if the Meter Reader is in pairing mode (indicated by the LED with 3 short blue blinks every second). If not:
    • Open the cover of the Meter Reader as described above to get access to the push button.
    • Press and hold the push-button for more than 10 seconds then release the button to reset the Meter Reader and start pairing mode. Pairing mode is indicated by the LED with 3 short blue blinks every second.
  3. Set your hub/gateway in pairing mode and wait for the pairing to complete. As an alternative, your app may allow scanning the QR-code on the label of the Meter Reader.
2.3 Un-Pairing the Meter Reader from a hub/gateway

Follow the instructions in the app to remove/unpair units from your hub/gateway.

2.4 Connecting the Meter Reader with your electricity meter

Note: You may need to contact your local utility company to open up the Meter Bus (HAN port) of your electricity meter to receive data.
Note: The Meter Reader can be inserted into the HAN-port without the help of an electrician.

  1. Connect one end of the provided HAN port connection cable to your Meter Reader
  2. Connect the other end of the HAN port connection cable to your electricity meter
  3. After a few seconds, the LED will indicate with a short blue blink, that the connection with your meter is established and data is received. LED will blink blue each time data is received from your meter.
  4. Mount the Meter Reader in your fuse cabinet by using the adhesive tape pads on the back of the Meter Reader
2.5 LED Indications
Color Pattern Explanation Normal
Blue Short Blink Message from electricity meter received OFF
Blue Repeating: 3 short blinks, 1 second off Pairing mode OFF
Blue 1 second on/off toggle Zigbee identify OFF
Blue Up to 10 medium blinks Leave network: Meter Reader has been removed from the Zigbee network. Pattern will change to pairing mode pattern. OFF
Red Blinking Zigbee connection lost OFF
Alternating red and blue Blinking Start up OFF
2.6 Using the button
Action Description Explanation
Press and hold for more than 10 seconds and then release the button Factory reset Resets Meter Reader to factory default and starts pairing mode.
Note: A factory reset unpairs the Meter Reader from your gateway.
2.7 Changing the battery
  1. Open the top cover of the Meter Reader and remove the old battery.
  2. ...
  3. Insert fresh battery (CR123)
  4. Note: The LED will blink alternating blue and red indicating start up. The red LED may blink for a short while until the Meter Reader has reconnected to its gateway.
  5. Reattach the top cover of the Meter Reader
2.8 Support
Description Possible reason Tip
No data from Meter Reader visible in the app Cabling Check cables are connected correctly
No data from Meter Reader visible in the app HAN port not activated Contact your electricity provider/utility company to open the HAN port (Meter Bus) of your meter
No data from Meter Reader visible in the app Lost Zigbee connection Your Meter Reader may lose Zigbee connection after closing the fuse cabinet because radio signals are blocked by the cabinet itself.
  • Add a Zigbee device acting as a router close to your fuse cabinet (e.g. a smart plug or smart lightbulb)
  • Mount the Meter Reader outside of your fuse cabinet
  • Use optional external antenna (WLAN/WIFI antenna with support for 2,4GHz and RP-SMA connector, can be purchased separately)
Meter Reader shows strange values Incompatible electricity meter Check with your electricity provider/utility company, if the meter follows the standard
3 Appendix
3.1 Information on disposal of electrical & electronic equipment

This symbol on the product and accompanying documents means that used electrical and electronic equipment (WEEE) should not be mixed with general household waste. For proper treatment, recovery and recycling, please take this product to designated collection points where it will be accepted free of charge. Alternatively, in some countries, you may be able to return your products to your local retailer upon purchase of an equivalent new product.

Disposing of this product correctly will help save valuable resources and prevent any potential negative effects on human health and the environment, which could otherwise arise from inappropriate waste handling. Please contact your local authority for further details of your nearest designated collection point. Penalties may be applicable for incorrect disposal of this waste, in accordance with your national legislation.

3.2 Software updates

Software updates may be released by the manufacturer to fix bugs or enhance functionality after the product has been released. Updated software versions released will not impact continued compliance with applicable rules.

3.3 Technical specifications
General IP Class: IP 20 (indoor)
OTA upgradable
Local Communication Radio protocol: Zigbee 3.0, HA 2.1
Frequency: 2400-2483,5 MHz (IEEE 802.15.4)
Transmission power: 9dBm
Ratings Operating temperature: 0 to +40° C
Storage temperature: 0 to +40° C
Operating voltage: DC 3V/42V

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