2 | © Danfoss | Energy Meters | 2017.06
VUIGO383
User Guide
SonoRead 868
Wireless Radio Receiver
Introduction
The SonoRead 868 is a radio receiver for wireless
M-Bus resource meters. It is equipped with a Blue-
tooth interface and it is intended to be used togeth-
er with a portable computer for mobile consumption
meter reading.
This device may only be operated by
trained personnel!
This device is not a toy and it must be
kept away from children!
Do not charge the battery of the
device at temperatures below 0 °C or at
temperatures above 45 °C!
Charging the battery
Before using the device for the first time, please
charge it completely with the accompanying battery
charger. As soon as the red battery-charging indica-
tor is switched off, you may disconnect the battery
charger. Due to the low self-discharge rate of the
lithium ion battery it is not necessary to keep the de-
vice permanently connected to the battery charger.
Switching ON / OFF
For switching on the device, please press the on
button. The device is ready to receive radiometers
and able to establish a Bluetooth connection after
approximately 5 seconds.
For switching off the device, manually, press and
hold the on button for at least 5 seconds.
The device is switching itself off after 10 minutes
without a Bluetooth connection.
Indicators
ON / LOW indicators:
GREEN
device is switched on
RED
battery low warning
PWR / CHRG indicators:
GREEN
charger is connected
RED
charging battery
OK / ER indicators:
GREEN
valid radio telegram
RED
invalid radio telegram
BLUE / CONN indicators:
GREEN
(flashing)
Bluetooth connection
AMBER
Bluetooth error (restart device)
Disposal
This device must not be disposed
together with the domestic waste.
Return it to the manufacturer for
recycling.
Technical data
Operating conditions,
not charging
-5 °C...+55 °C
10%...95% r. h.
Operating conditions,
charging
0° C…+45 °C
10%...95% r. h.
Protection rating
IP64
GB
SIMPLIFIED EU DECLARATION OF CONFORMITY
Hereby, Danfoss A/S declares that the radio equipment type SonoRead 868 are in compliance with Directive 2014/53/EU. The full text of the EU
declaration of conformity is available at the following internet address: heating.danfoss.com