SARAD GmbH
7
Manual_Smart-Radon-Sensor_EN_12-03-2020.docx
alkaline batteries do not suffer from excessive self-discharge process and therefore are able to keep
their initial electrical capacity for over 10 years.
Page 1: ...rt Radon Sensor Radon monitor for building automation Version January 2020 Referenced documents Software Manual Radon Vision SARAD GmbH Wiesbadener Stra e 10 01159 Dresden Deutschland www sarad de inf...
Page 2: ...FOR EXPOSURE AND INSTALLATION 9 SELECTION OF THE RIGHT INTEGRATION INTERVAL 9 MEASUREMENT 10 LED INDICATORS 11 COMMUNICATION INTERFACES 13 RS 485 13 General 13 Selection of the transfer protocol addr...
Page 3: ...ed for integration in building automatization systems Thanks to the broad spectrum of interfaces one can integrate the sensor with relative small effort within an existing infrastructure The high sens...
Page 4: ...SARAD GmbH 4 Manual_Smart Radon Sensor_EN_12 03 2020 docx The instrument Controls Fig 1 Front panel controls Fig 2 Bottom panel controls...
Page 5: ...2020 docx 1 RS 485 port D 2 RS 485 port D 3 4 20mA current loop GND 4 4 20mA current loop Iout 5 DC external power supply GND 6 DC external power supply 12 24V 7 Switch output port 1 8 Switch output...
Page 6: ...the measurement seamlessly if main power supply failure occurs Without DC connection the backup will supply the device for approximately two weeks In such circumstances the current loop as well as if...
Page 7: ...GmbH 7 Manual_Smart Radon Sensor_EN_12 03 2020 docx alkaline batteries do not suffer from excessive self discharge process and therefore are able to keep their initial electrical capacity for over 10...
Page 8: ...hed by tilting as shown in picture 4 Please pay special attention to the correct polarity of the batteries when inserting them fig 5 Change both batteries at the same time because differing charging l...
Page 9: ...r weather conditions will show if this is the case or not When the mounting of the device is accomplished the terminal block can be wired If the batteries were replaced before the installation had tak...
Page 10: ...to the previously stored results The measurement cannot be stopped by the user Each year the voltage of the batteries should be checked This can be done e g by using Radon Vision software and USB con...
Page 11: ...0 AlarmTH Permanent ON RADON 100 AlarmTH Blinks USB connection present Blinks Internal sensor clock not set Blinks short Main power supply failure Tab 2 LEDs signals AlarmTH Alarm threshold for Radon...
Page 12: ...t additionally encloses CO2 sensor the meaning of the LEDs signals changes as stated below in the table 3 Permanent ON RADON 100 AlarmTH CO2 1000ppm Permanent ON CO2 1000ppm Tab 3 LEDs signals for Sma...
Page 13: ...the recent readings For all other functions the SARAD standard protocol has to be used The protocol frames are explained in detail by the document SARAD_MODBUS_Protocol The complete MODBUS Documentat...
Page 14: ...ide switch activates the SARAD protocol Implemented functions Function code 0x03 read holding register Valid register addresses are Register address Register content Number of registers Format 0x0000...
Page 15: ...r The interface requires a software driver which can be downloaded from the SARAD company website Within the Radon Vision software the USB communication path appears as a new COM port During USB commu...
Page 16: ...esents the Radon value of 3000Bq m3 For Radon activity below detection limit the 4mA current value will be held The output signal of the current loop is realized with 12 bit digital analog converter A...
Page 17: ...to the previous chapter Analogue output The terminal ports for the alert switch are designated in figure 2 and table 1 As an accessory we offer a wireless power switch which can be used for direct ve...
Page 18: ...e The instrument must be exposed to this fresh air concentration at least once during the last 24 hours This can be achieved by short ventilation of the room If there are no persons inside a room for...
Page 19: ...disposed of in the garbage but you are legally obligated to return them to the appropriate waste collection centers The measuring instruments must be disposed of in the electronic waste or handed to t...
Page 20: ...ay 300Bq m 1 day 50Bq m 15 3 8 Ambient 10 C 50 C 0 rF 100 rF non condensing Humidity Range 0 rH 100 rH Accuracy 4 5 rH 3 typ for 20 rH 80 rH Temperature Range 40 C 120 C Accuracy 0 4 C 0 3 C typ for 5...
Page 21: ...RTU and SARAD protocol 0 20mA analogous output range configurable Alert switch potential free contacts All interfaces with screw terminals Alert indicators Red yellow and green LED indicators for ale...
Page 22: ...r safe transmission Range ca 30m Power supply Battery CR2032 Good for 20 000 switching cycles Load switch plug adapter 220V 50Hz 6 programmable groups e g to connect more than one Radon monitors Max s...
