SARAD RTM1688-2 User Manual Download Page 1

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SARAD GmbH

User Manual RTM1688-2 06-02-2019.docx

User Manual RTM1688-2

Version 02/2019

SARAD GmbH
Wiesbadener Straße 10
D-01159 Dresden
GERMANY
Internet:

www.sarad.de

E-mail: [email protected]
Tel.: ++49 (0)351 / 6580712
FAX: ++49(0)351/6580718

Summary of Contents for RTM1688-2

Page 1: ...Manual RTM1688 2 06 02 2019 docx User Manual RTM1688 2 Version 02 2019 SARAD GmbH Wiesbadener Stra e 10 D 01159 Dresden GERMANY Internet www sarad de E mail support sarad de Tel 49 0 351 6580712 FAX...

Page 2: ...7 Data Handling 7 Data Storage 7 Printing a protocol 8 Data transfer 9 Version RTM1688 2 MODBUS 10 General information 10 Selection of the transfer protocol Addressing 10 Implemented MODBUS functions...

Page 3: ...the Radon decay rate and Po 218 detector activity is given after about 5 half life times say 15 Minutes This time span defines the minimum achievable response time to a Radon concentration step Now th...

Page 4: ...06 02 2019 docx The half life of the Po 216 decay products Pb 212 beta and Pb 212 Bi 212 alpha are too long to use them for Thoron measurement The single nuclides of the Thoron decay chain will be al...

Page 5: ...out 8 hours for full charging in case of a totally discharged battery The end of the charging process will be indicated by a lighting LED on the LIGHT button If the battery voltage drops below 11 8V t...

Page 6: ...ctual sample is displayed RADON 12 20 85Bq m 10 34 117 120Min Page two gives the same information for Thoron Rn 220 Thoron 12 20 124Bq m 16 34 117 120Min The readings of the additional sensors are sho...

Page 7: ...ration interval If the alert is enabled ALARM ON will appear in the lower line of the status page Fast Slow Mode Fast and Slow mode will determine the kind of calculation of the Radon concentration Pl...

Page 8: ...r switches in the sleep mode if no print job is carried out To start a protocol print the instrument has to set in stand by mode stop the measurement in case of a running sample Start the printing out...

Page 9: ...e other problems To insert a new paper spool the paper compartment can be opened by sliding the Lid Release Button forward until the lid springs open Unwind a small amount of paper from the roll and i...

Page 10: ...rameter on the instrument display Selection of the transfer protocol Addressing To identify a instrument within a network a unique address in the range of 1 250 must be assigned This address can be pr...

Page 11: ...ive humidity 2 Float 0x000C barometric pressure mbar 2 float 0x000E Thoron concentration Bq m 2 Float 0x0010 Statistical error of Thoron concentration 2 Float 0x0012 Average Thoron concentration since...

Page 12: ...ng polarity will definitely damage the instrument If the capacity of the original battery is too less a larger 12 V lead acid battery can be connected to the external power socket In this case it is s...

Page 13: ...ation of the soil gas probe given in the application note AN 007 Specifications differing from the Standard Version Sampling large area diffusion membrane Response time fast slow dependent on the used...

Page 14: ...n interval may be expanded to the maximum acceptable value for the desired time resolution of a measurement series The relationship between the measured Radon concentration CRn and the number of count...

Page 15: ...ery simple Define a confidence level with respect to your needs and look at the statistical error bands of the two points of interest If the error bands do not overlap each other the change in the Rad...

Page 16: ...be averaged to get a usable result This procedure is nothing else than to create an integration interval long enough to meet the Detection limit for the applied Radon concentration To avoid zero read...

Page 17: ...posed of in the garbage but you are legally obligated to return them to the appropriate waste collection centres The measuring instruments must be disposed of in the electronic waste or handed to the...

Page 18: ...55 Minutes adjustable Memory 2047 data records circular structure Pump rate 0 25 l min Internal volume chamber air loop approx 250 ml Power supply Power supply Battery operation 7 days continuous pump...