SARAD GmbH
Table of content
TABLE OF CONTENT ...................................................................................................................... 2
INTRODUCTION ............................................................................................................................ 3
THE INSTRUMENT ......................................................................................................................... 4
Controls ................................................................................................................................................ 4
Power supply ....................................................................................................................................... 6
Main power supply........................................................................................................................... 6
Back-up batteries ............................................................................................................................. 6
Batteries replacement ......................................................................................................................... 8
MEASUREMENT ......................................................................................................................... 10
LED INDICATORS......................................................................................................................... 11
COMMUNICATION INTERFACES .................................................................................................. 13
RS-485 ................................................................................................................................................ 13
General ........................................................................................................................................... 13
Implemented functions .................................................................................................................. 14
USB ..................................................................................................................................................... 15
ANALOGUE OUTPUT ................................................................................................................... 16
4..20mA current loop ......................................................................................................................... 16
ALERT SWITCH ............................................................................................................................ 17
SUPPLEMENTARY EQUIPMENT ................................................................................................... 18
Pressure sensor .................................................................................................................................. 18
gas sensor ................................................................................................................................... 18
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DISPOSAL INSTRUCTIONS ........................................................................................................... 19
TECHNICAL DATA ........................................................................................................................ 20
Smart Radon Sensor .......................................................................................................................... 20
Wireless switch .................................................................................................................................. 22
Manual_Smart-Radon-Sensor_EN_12-03-2020.docx
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