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Grant Yoyo, User Manual

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Grant Instruments 
(Cambridge) Ltd 

Shepreth 
Cambridgeshire 
SG8 6GB 
UK 
 
Tel:  

+44 (0) 1763 260811 

Fax:  

+44 (0) 1763 262410 

Email: [email protected] 

www.grantinstruments.com 

 
33784/DMN P87/Sept2017 

Summary of Contents for Yoyo

Page 1: ...Yoyo Data Loggers User Guide ...

Page 2: ...ftware When installing the software you agree to accept these terms No part of this publication may be reproduced for any purpose or transmitted in any form or in any means either electronic or mechanic without written permission from Grant Instruments Ltd Key Account Manager If you have any questions about installation or functionality of the software please con tact your local dealer or Grant In...

Page 3: ... 7 1 1 Storing measurements while online metering 16 7 2 Start stop logger 17 7 2 1 Active Start and Active Stop 19 7 3 Download Data 21 7 4 Logger Setup General 22 7 5 Logger Setup Sensor Slots 22 7 6 Wiring external sensors 25 7 6 1 Additional information on sensor connection 27 7 7 Logger Setup Configuring Alarms 29 7 8 Display logged data as a graph 29 7 9 Display logged data as a table 30 7 1...

Page 4: ...33784 V1 0 Yoyolog User Guide www grantinstruments com Page 3 11 Password protection 34 12 Important notes for measuring humidity 35 13 Calibration Maintenance 36 ...

Page 5: ...ery SL550 S for 2YL T14 4M 14E 4M 2YL RH24 4M 24E 4M Lithium battery type LITH12 SL 750 S for all other models USB cable Software YoyoView for download at http www grantinstruments com yoyo downloads Further options include Calibration certificate Carrying case Wall holder metal strip and seal Connection cables YY CS 4 YY CU 4 YY CI 4 YY CP 4 for 2YL T11 4M T12 4M M90 4M M91 4M ...

Page 6: ...cognizes the logger and displays a pic ture Double click on the logger picture to select the logger Right click on the logger and select Metermode After a few seconds you will be able to see online readings from your logger on the screen Start logging in two additional steps Again Right Click on the logger picture and then click at Start Logger Click on Start Logger now The logger will start on th...

Page 7: ... to a single slot The loggers have a memory capacity for 4 000 000 readings It can be set to either stop when full or ring buffer mode continuous mode The device offers an internal battery monitoring YoyoView software will warn you if you need to replace the battery In addition the LED flashing periodically indicates the need for the battery to be replaced see chapter 0 understanding LEDs for furt...

Page 8: ...33784 V1 0 Yoyolog User Guide www grantinstruments com Page 7 ...

Page 9: ...r ELV Strain Gauge Thermo cou ple with mini ISA 2YL T10 4M x 2YL T10E 4M x 2YL T11 4M x 1 2YL T12 4M x 1 2YL T14 4M x 2YL T14E 4M x 2YL T15 4M x 2YL T16 4M x 2YL RH20 4M x x 2YL RH20E 4M x x 2YL RH23 4M x x x 2YL RH23E 4M x x x 2YL RH24 4M x x 2YL RH24E 4M 2YL M36 4M x 2YL M37 4M x x 2YL M61 4M x 2YL M62 4M x x x 2YL M90 4M x x x 1 2 2YL M90E 4M x x x 1 2 2YL M91 4M x x x x x 1 2 1 connecting ther...

Page 10: ...tanding LEDs for further infor mation To insert a battery into the datalogger unscrew the back cover of the logger then insert the battery keep ing the correct polarity When the battery has been fitted the LED on the front of the logger will start flashing in red green blue after a few seconds to indicate it is operating Battery life The battery life depends mainly on the logging inter val selecte...

Page 11: ...ows supported mouse Any windows supported mouse Port 1 free USB port 1 free USB port Printer Any windows supported printer Any windows supported printer After unzipping the file start the setup program Setup_YoyoView_ For Windows exe which will guide you through the installation pro gress Choose appropriate folder and after a few seconds the software has been installed You will now be prompted to ...

Page 12: ...tinstruments com Page 11 5 1 Main Software Menu Within the main menu you will find most important functions as well as important infor mation about the logger and the logger status Hovering over the logging symbol will show logging interval ...

Page 13: ...ge the settings and paths within YoyoView Set the default program used to view the down loaded data Select Location where downloaded data is stored Click on Data to change export settings Select Decimal places to automatic default to ex port data with as many decimal places as the sensor channels physically allows or select the required number of decimal places Select the Column delimiter to TAB o...

Page 14: ...s may take up to 30 sec onds Normally a logger will be automatically detected when connected If the logger is not automatically detected click on the icon or Devices Search in order to scan the USB ports for new devices Up to 6 dataloggers can be connected to the PC at any one time A picture will appear for each logger allowing commu nication to anyone of them If more than 6 loggers are connected ...

Page 15: ... will appear to identify the logger A serial number the Short ID Date Code De scription as well as the manufacturers name will be displayed If more than one logger is connected double click on the particular logger to enable communication This highlights the chosen logger Now the logger has been selected further infor mation is available Click once on the logger s picture to show addi tional infor...

Page 16: ... usage or simply use a new one if the status of the battery is unknown and data is important Refer to table in chapter 4 1 to understand the impact of the interval on the battery life The logger works with a lithium battery whose life isn t easy to predict A brand new battery has a capacity of 3 6 V A completely worn battery has less than 2 5V The logger also predicts battery life which is indicat...

Page 17: ...er 0 for more information on Slot numbers and channel numbers Note The logger is mainly used for unattended long term logging therefore Meter Mode is used to test the logger and verify that the sensors have been connected correctly and are providing the correct readings When the logger is connected to a USB port it will self heat therefore the internal sen sors may not be as accurate the values ma...

Page 18: ...art DataLogging window there are the following settings Logger Start condition Logger Stop condi tion Interval unit value and a run description The logger can be started immediately or at a specific date time When set to immediately the logger will start logging from the nearest full minute To change the settings l click on the arrow button next to the default condition To set the logger to start ...

Page 19: ...s select the unit Hours Minutes Seconds or Hertz and define the Interval Value Examples to log every 10 Minutes select Minutes at the Section Interval and enter 10 as the Interval Value To log at 5 Hertz select Hertz at the Section Interval and enter 5 as the Interval Value Finally a Description of up to 46 characters can be entered This Description will be stored in the datafile to identify the r...

Page 20: ... 2 to 8 to actually start the logger to take readings 2 Have the logger about 20 seconds laying untouched on steady ground This will calibrate the acceleration sensor in the logger 3 Locate the Multicolour LED at the upper center of the logger 4 Shake the logger once just one hard shake holding the logger in your hand and pushing it downwards make sure to hold it fast and not let it fall to the gr...

Page 21: ...ultiple step process to make sure the logger is not started or stopped accidently for example during transportation If it appears that the shaking procedure does not end up in the LED flashing in multicol ours or red colours the logger has not been started or stopped properly In this case start again from Step 1 as described above Important When the logger is started either by active start or by n...

Page 22: ... will need to be entered here If these have already been entered the analysis function will appear details about graphical analysis can be found in a separate manual for the GraphTool software package The files are automatically stored in a folder defined by YoyoView This can be found at C Users Public Public Documents Graphtool In order to save space on your harddisk you may also delete the ASCII...

Page 23: ...tus is green the battery is still in a usable condition If the battery is red it should be replaced soon and only a short term logging period should be per formed Click on the General tab and then enter a logger name this can be used for later for identification Click on More values to set the calculated readings required Select the calculated values as they are required to be returned These will ...

Page 24: ...e are displayed Click at the Sensor Slots tab NOTE This function is only available if the logger is actually not logging Click on the symbol of the slot to be modified for example Slot2 Here the sensor type connected to Slot2 can be selected If one of the standard sensors of the yoyo loggers is required then simply select the cor responding sensor type If the sensor has any analogue output the sen...

Page 25: ...ues for a sensor with a linear range of 0 50m s to 0 1V In this example the following has been entered Slot rename Ductsensor8455 New Description Velocity New Unit m s New Minimum 0 New Maximum 50 Once the correct settings have been entered for the sensor click on the OK button As per the default this new range will automatically be activated and logged when the logger is started If the engineerin...

Page 26: ...YL M36 4M YL M37 4M Please refer to the following chapters for connection of custom probe and sensors Miniature sockets The models 2YL T11 4M 2YL T12 4M 2YL M90 4M and 2YL M91 4M have miniature sockets for wiring external sensors All our standard probes for these loggers come with a miniature connector to plug onto the loggers sockets Please make sure to select 4 for the correct connector Example ...

Page 27: ...33784 V1 0 Yoyolog User Guide www grantinstruments com Page 26 ...

Page 28: ...d In the calibration cer tificate the bridge rated output C will be listed With these specifications the bridge rated output C is converted as followed Conversion of the bridge rated output C to C C Example C 2 50kg R 120Ω C 0 24 mV 50kg YoyoView plus has an integrated formula editor which allows you to enter a formula as described above to calculate Forces tensions from the mV reading 7 6 1 3 Cur...

Page 29: ...instruments com Page 28 The transmitter will be required to be powered externally Always connect the data logger to the lowest potential of your current loop Meter the low side current and do not meter the high side current Correct Incorrect ...

Page 30: ... alarm ranges Now set the values for Threshold 1 and Threshold 2 and define the Hysteresis No Alarm No Alarm Alarm Max Min Sensor Alarm Alarm No Alarm Max Min Sensor There is one alarm range for the selected channel If the sensor value is higher than the Alarm threshold1 Hysteresis and lower than Alarm threashold2 Hysteresis the logger will start to alarm There are two alarm ranges for the selecte...

Page 31: ... have re ceived a serial number and two keys which you need to enter here If these have been entered you may now analyse the data If you haven t purchased the light or en hanced edition of YoyoView you may up grade the software and add new options lateron Contact you sales partner to ob tain YoyoView light enhanced 7 9 Display logged data as a table Click here or go to Data Table to display data a...

Page 32: ...whole process is performed in the background and there is no process indicator When a 0 is confirmed back the conversion has been completed successfully 8 2 ASCII Stream functionality The ASCII stream function allows for getting logger measurements into your own hard ware It allows remote Control via Serial Interface between Logger and Host to get online measurements in a simple way Use software A...

Page 33: ...to show after checking that the loggers is connected correctly and appears in the YoyoView software This could be due to the logger having a flat or missing battery Replace the battery and verify initial function test as follows After having inserted the battery the LED on logger front should flash in all three colours LED chaser This shows the logger is operating Now try contacting the logger If ...

Page 34: ... at interval Flashes accord ing to log interval Monitors alarm condi tions Flashes every 8 secs Alarm active Long Flash for 1 second every 8 seconds Alarm occured but is not active anymore Short Flash every 8 seconds Battery empty Intense flickering for 0 5 seconds every 15 seconds System check OK af ter battery change LED chaser ...

Page 35: ... changed without entering a password As default the logger comes with the password 1234 Please keep your password in a safe place If you have lost your password the data can only be recovered by sending the bin file to the manufacturer of the instrument As this is not free of charge please make sure to protect your password accordingly ...

Page 36: ...g temperature increases See the graph below This is due to the fact that quite an aggressive environment is developed when measuring high humidity and high temperature at the same time The sensor should not be damaged when condensation occurs occasionally If conden sation does occur dry out the sensor in order to return to the correct measurements except the sensor polymer is contaminated with sub...

Page 37: ...O IEC17025 by comparison against natural standards natural physical constraints or by ratio type measurements using self calibration techniques To ensure that measurements are reliable and correct we recommend calibrating the logger s sensors within 12 months of purchase The logger itself only requires a minimum of maintenance Verify O Rings are clean and non damaged and remove any dirt ...

Page 38: ...Grant Instruments Cambridge Ltd Shepreth Cambridgeshire SG8 6GB UK Tel 44 0 1763 260811 Fax 44 0 1763 262410 Email salesdesk grantinstruments com www grantinstruments com 33784 DMN P87 Sept2017 ...

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