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Copyright © 2010 ACR Systems Inc. All Rights Reserved.

Reference Guide

IMPORTANT!

Nautilus Data Loggers

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Summary of Contents for Nautilus

Page 1: ...Copyright 2010 ACR Systems Inc All Rights Reserved Reference Guide IMPORTANT Nautilus Data Loggers ...

Page 2: ...author make no claim to these trademarks For more information regarding trademarks see the Trademark Notices section of this manual ACR Systems Inc assumes no responsibility for errors or omissions or for damages resulting from the use of information contained in this document or from the use of programs and source code that may accompany it In no event shall the publisher and the author be liable...

Page 3: ...TrendReader is a Registered Trademark of ACR Systems Inc TRADEMARK NOTICES ...

Page 4: ... There will however be a charge for freight and Canadian Customs clearance if applicable Any replacement hardware or software will be warranted for the remainder of the original warranty period To the maximum extent permitted by applicable laws ACR Systems Inc disclaims all other warranties either expressed or implied including but not limited to implied warranties of fitness for a particular appl...

Page 5: ...ke Readings 3 How to Use Nautilus Loggers 4 Specifications 6 Product Approvals 7 2 Nautilus Software Driver 7 Logger Status 7 Logger Sampling 8 Logger Memory 10 Logger Channels 10 Channel Information 11 Channel Calibration 12 3 Nautilus 85 135 Temperature Logger 12 Description 12 Setup 13 Troubleshooting 14 4 APPENDIX A Nautilus 85 135 Sample Rates 14 How a Data Logger Stores Readings 14 Sample Ra...

Page 6: ... frequently refers to TrendReader Standard conventions and procedures To get the most from your logger please take time to familiarize yourself with TrendReader Standard and its Reference Guide For important information on how Nautilus data loggers work and how to use them read the Introduction to Nautilus chapter It will give you an overview of how the loggers work and how to configure them for y...

Page 7: ...mistor temperature sensor High capacity lithium battery Quartz clock crystal Locking hole on cap Waterproof stainless steel or aluminum casing 1 1 2 Description ACR Nautilus data loggers are single channel waterproof temperature data loggers with the ability to record temperature in water food or other liquids Designed for rugged applications Nautilus loggers are available in stainless steel or al...

Page 8: ...ture You can turn this monitoring capability on or off using software Nautilus data loggers can store readings to memory using one of two sampling methods 1 First in First out FIFO In this method the logger continues to take readings when its memory is full to make room it discards the oldest reading every time it adds a new one Thus the memory will contain a sliding window of information 2 Stop w...

Page 9: ... on your computer You can then configure your logger with various options by talking to it via the interface cable Set Sample Rate Always confirm the sample rate how often the logger saves readings to make sure it will be acceptable for your application You can alter the frequency at which your Nautilus logger records readings by changing the sample rate You can choose rates from 8 seconds to 34 m...

Page 10: ...our logger into will be acceptable by referring to the Specifications in this chapter Keep Track Make sure you keep a record of where you have placed each logger in a building or system plan You will save time looking for them when your data gathering session is over Also keep track of when you placed the loggers in the area you are monitoring This will help when producing graphs on your computer ...

Page 11: ...2 640 readings With Compression up to 244 800 readings 64KB Without Compression up to 65 408 readings With Compression up to 490 560 readings Memory Usage 1 Continuous First in First out 2 Stop when full Fill then stop Sample Intervals User selectable rates from every 8 seconds to 34 minutes Sampling Mode 1 Average over sample interval except for 8 second interval 2 Spot Resolution 8 bit 1 part in...

Page 12: ... 77 F Range 10 C to 135 C 50 F to 275 F Accuracy 0 5 C 0 9 F Calibration Factory calibration verification and NIST certificates are available upon special request Equation Use Equation 47 ET 081 Temperature in TrendReader software Other equations for this thermistor type may be selected but will give incorrect results You may also create your own equations please refer to the Equations section or ...

Page 13: ...start a new logging session with the existing or new parameters select Edit Setup from TrendReader In the Edit Logger Setup window make any necessary changes To implement your changes you can either click on Apply or OK OK will implement the changes and close the window whereas Apply will leave the window open thereby allowing you to make changes in other features 1 2 1 Logger Status When you cont...

Page 14: ...n indicates how the data is stored in memory and what the start and end times or capacity are for the data logging In the FIFO First In First Out mode the logger continually stores data and when the memory limit is reached the new readings start to overwrite the oldest readings In this method the logger is always collecting data but only saves the most recent data in its memory In the Stop When Fu...

Page 15: ...ame If the 16th reading is still the same a new session will start Note that when the compression is set to ON the Start Time will display as NA in the Status window If you want to see that Start Time do a Backup of the logger the Start Time will be displayed in the Statistics tab of the graph To set when the logger will start recording click on the Start Time field Next click on the small button ...

Page 16: ...and the Realtime value if Realtime is turned on The Description field is editable The Realtime value is based on the equation that you select for the channel The equation is selected in the Setup window but is not shown in the Status window The logger collects and stores raw data readings An equation is used to transform the raw data into measurement units such as C with the current reading shown ...

Page 17: ... equation can be made in the graph using the Lines Tab in Graph Settings 1 2 2 2 Channel Calibration The Calibration subsection shows the Low Mid High and Ext calibration values These values are used to adjust the readings of the logger in order to make the output more accurate To set each calibration value click on the appropriate calibration field and enter the value The factory equations for th...

Page 18: ... is ideal for monitoring temperature in any type of water including oceans ponds rivers streams and wastewater The high temperature capabilities of the Nautilus 135 make it the ideal logger for monitoring temperature in extreme environments or environments where conventional data loggers are not able to survive 1 3 2 Setup Once the logger is connected to your computer select the communications por...

Page 19: ... limit the validity of a measurement at some distance from the sensor This becomes especially apparent for the measurement of ambient temperature In a room temperature levels may vary dramatically from location to location Such factors as air stratification drafts and proximity to heat or humidity sources people equipment moisture solar gain etc can contribute to a wide variance in conditions even...

Page 20: ...ory Otherwise if the sampling mode is set to Spot the logger still takes readings every 8 seconds but only stores the reading taken at the selected interval 1 4 2 Sample Rate Tables The following tables list the maximum time spans over which your Nautilus will record readings The time spans depend on the length of the sample rate A Nautilus has a memory capacity of up to 32 640 readings when data ...

Page 21: ... 3 0 32 0 32 sec 0 6 1 4 0 56 sec 0 10 13 52 0 2 min 0 22 16 0 0 4 min 56 sec 0 55 21 52 0 10 min 0 113 8 0 0 20 min 0 226 16 0 0 30 min 1 88 8 0 0 Table B 3 32KB Nautilus 85 135 Sample Rate Table with Compression 5 times Sample Rate Years Days Hours Minutes Seconds 8 sec 0 15 2 40 0 16 sec 0 30 5 20 0 32 sec 0 60 10 40 0 56 sec 0 105 18 40 0 2 min 0 226 16 0 0 4 min 56 sec 1 194 2 40 0 10 min 3 3...

Page 22: ...16 0 32 sec 0 181 16 32 0 56 sec 0 317 22 56 0 2 min 1 316 8 0 0 4 min 56 sec 4 220 14 56 0 10 min 9 121 16 0 0 20 min 18 243 8 0 0 30 min 28 0 0 0 0 Table B 6 64KB Nautilus 85 135 Sample Rate Table with Compression min Sample Rate Years Days Hours Minutes Seconds 8 sec 0 3 0 40 32 16 sec 0 6 1 21 4 32 sec 0 12 2 42 8 56 sec 0 21 4 43 44 2 min 0 45 10 8 0 4 min 56 sec 0 112 0 59 44 10 min 0 227 2 ...

Page 23: ...c 1 195 4 58 40 10 min 3 40 13 20 0 20 min 6 81 2 40 0 30 min 9 121 16 0 0 Table B 8 64KB Nautilus 85 135 Sample Rate Table without Compression Sample Rate Years Days Hours Minutes Seconds 8 sec 0 6 1 21 4 16 sec 0 12 2 42 8 32 sec 0 21 4 43 44 56 sec 0 42 9 27 28 2 min 0 90 20 16 0 4 min 56 sec 0 224 1 59 28 10 min 1 89 5 20 0 20 min 2 178 10 40 0 30 min 3 267 16 0 0 ...

Page 24: ... Channels 10 Data Logger 1 Description 1 Features 1 How to Use 3 Introductions 1 Logger 1 Memory 8 Operation 2 Readings 2 Sampling 7 Setup 7 Software 7 Specifications 4 Status 7 Unknown Equation 10 Nautilus 135 4 Nautilus 85 4 Nautilus135 1 12 Description 12 Setup 12 Troubleshooting 13 Nautilus85 1 12 Description 12 Setup 12 Troubleshooting 13 S Sample Rates 14 T Temperature 12 ...

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Page 26: ...umbia Canada V3W 1K7 Telephone 604 591 1128 North American Toll Free 1 800 663 7845 General Enquiries Email enquiry acrsystems com Fax 604 591 2252 www acrsystems com Sales Department Email sales acrsystems com Customer Service Email customerservice acrsystems com ...

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