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Minnow Logger 2.0 

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Minnow 2.0 is a real-time display enabled logger from Senonics.


The Minnow 2.0 is a second generation logger coupling usual robustness and high accuracy for which Senonics is known, with a new professional look and feel.

Key Features:

  • HIGH ACCURACY
  • LCD DISPLAY
  • WATER/DUST RESISTANT
  • ROBUST CONSTRUCTION
  • INTUITIVE USER EXPERIENCE
  • EXTERNAL SENSOR PROBES AVAILABLE

 

 

 

Minnow 2.0 can be used for transport applications. Suppose for example you would like to transport some delicate or fragile cargo from one location to another. By attachment of a Minnow 2.0 logger one can record temperature and humidity conditions during the journey. At the destination you can then extract the logged data using a very simple PC application and see graphically or in raw data format the changes in environment over time. With its built in display, Minnow 2.0 can equally be used in-situ - for example in pharmaceutical storage.


Temperature and Humidity Measurement 

Minnow 2.0 offers accurate and repeatable logging for temperature and relative humidity. Temperature is measured to an accuracy of /-0.17C over the range 5C to 60C and /-0.9C over the full range -25C to 80C. Relative humidity is measured to an accuracy of /-2.0% over 20% to 80% humidity range and /-5.0% over 0% to 100%. Both temperature and relative humidity are logged at a user configurable logging rate which can be set in a PC application program

NIST Traceable Calibration 

Minnow 2.0 offers an optional NIST traceable single point calibration. Once calibrated Minnow 2.0 is accurate to /-0.07C within /-20C of the calibration point.

Display

Minnow 2.0 has a clear LCD display with wide viewing angle, capable of showing temperature with a resolution of 0.01C and relative humidity with a resolution of 0.1%. Use of the display button on the logger will cycle through current, maximum, minimum and average logged values.


Alarms 

When you would like to ensure environmental conditions are kept within particular limits, one can also set operating ranges above or below which light indicators will be activated so that the user can become aware that the environment has gone outside allowed limits. The alarms are also visible on the display.         

Logging Storage 

The Minnow 2.0 logger is equipped with the largest logging memory when compared with other portable logging devices currently available. Minnow 2.0 has provision for 65000 storage items each of which is a time-stamped recording of temperature and humidity.

Water/Dust Resistance

Minnow 2.0 has been designed with special care to avoid water or dust from entering the logger. Both Minnow 2.0TD (temperature only version) and Minnow 2.0THD (temperature and humidity version) are rated IP-65.

External Sensor Probes

Minnow 2.0 can be used with external sensor probes. Probes can be of temperature only or temperature and humidity types. It is possible to mix and match T/TH sensors and loggers.

Simple to use PC Application

The Minnow 2.0 logger comes with a very easy to use PC application. The application is used for configuration of the logger, extraction of logger data, graphically viewing of logging data, spread sheet analysis of logging data and saving of logging data to file (typically in comma separated value CSV file format) for third party applications such as Microsoft Excel. The graphical user interface is completely intuitive in terms of configuring new devices and extracting logging data from a field device. When the user has multiple devices requiring the same setup then one can preload the application with a logger setup from a saved configuration file to help expedite the process and ensure all loggers get setup identically. The application does not require any driver installations to connect to your logging device. Just download the program from our home page, run it and then plug in you device. As simple as that! Currently the PC application is available for Windows XP, Vista, Windows 7, Windows 8 and Windows 10. It is also supported on Mac.


minnow 2.0


Battery Life

Minnow 2.0 runs from two CR2032 coin cell batteries available from supermarkets or online battery stores over the internet. The logger can log temperature and relative humidity for up to 2 years.

Our Guarantee 

Senonics logger products are developed by world class engineering teams situated in Denmark and United States. Our engineers are very proud of the Minnow logger range which is marked by their special design philosophy of ensuring both a feature rich product but simple for the end user. Our designers have a well-deserved reputation for high quality product design ensuring that your logging device will both last the years and exceed your logging requirements!

 

minnow 2.0
minnow 2.0
 
External Sensor Probes


Minnow 2.0 can be used with external sensor probes which can be temperature only or temperature and humidity types.

The external sensor probes are compact. The probe end of the cable is made from deep drawn seamless stainless steel for a strong, watertight sensor.

External sensor cables are compatible with all Minnow 2.0 loggers, meaning it is possible to mix and match T/TH sensors and loggers. External sensor probes are available in NIST calibration. Each sensor stores its own adjustment and calibration data so that any cable can be used with any logger.

 
Key features:   
       
  • High accuracy and fast response time
  • Wide temperature and humidity range
  • Compact/rugged probes
           minnow 2.0

minnow 2.0

Further information concerning the external sensor probe can be found here:

          Minnow 2.0 External Sensor Probe Datasheet




 

PC Application

The Minnow 2.0 logger comes with a very easy to use PC application. The application is used for configuration of logger, extraction of logger data, graphically viewing of logging data, spread sheet analysis of logging data and saving of logging data to file (typically in comma separated value CSV file format) for third party applications such as Excel.

The graphical user interface is completely intuitive in terms of configuring new devices and extracting logging data from a field device. When the user has multiple devices requiring the same setup then one can preload the application with a logger setup from a saved configuration file. A clone feature is available for users wanting to rapidly configure multiple loggers with the same setup.

The application does not require any driver installations to connect to your logging device. Just download the program from our home page, run it and then plug in you device. Simple as that!

Currently the PC application is available on Windows XP, Vista, Windows 7, Windows 8 and Windows 10. We also support Mac PCs. For installation of this application go to the downloads page or the support page.

 

minnow 2.0

 

The Senonics GUI application can open Excel diretly by selecting the Excel button

 

The Senonics GUI gan generate a simple one page PDF report by selecting the PDF report button.

 

 

Downloads 


Online Documentation:

The following documents are provided to give more technical details about the Minnow 2.0 Logger: 

       Minnow 2.0 Product Overview

       Minnow 2.0 External Sensor Product Overview

       Minnow 2.0 User Guide


Software Downloads:


Click here to install the latest version of the Senonics PC Application program for Windows XP, Vista, Windows 7, Windows 8 or Windows 10. 

        Install Senonics PC Application (Windows version)


Click here to install the latest version of the Senonics PC Application program for Mac. 

     
Install Senonics Application (Mac version)

 


 

NIST Calibration 

The Minnow 2.0 is available with an optional NIST traceable single point calibration at any temperature between 15C and 35C or 0C. Once calibrated the Minnow is accurate to /-- 0.07C within /-- 20C of the calibration point. Documentation will be provided that traces the calibration back to a NIST tested reference thermostat. 

Senonics designs and manufactures it's own thermoelectric reference chambers that are stable to /-- 0.03C over four hour time period. Every calibrated logger is tested at the desired temperature for four hours to determine its offset from the reference temperature. Once the difference is determined an offset is applied to the logger and then the logger is retested to verify it's performance. All test results are documented in the NIST report. 

Senonics guarantees the accuracy of the Minnow 2.0 for one year from the date of calibration. 

The Minnow 2.0 logger can be recalibrated if needed. Please contact us for further details.

 

Frequently Asked Questions: 

1. Why should I buy a Senonics Minnow 2.0 Logger?The Senonics Minnow 2.0 Logger has several selling points which set it apart from other loggers:
   1) The logger is high accurary at affordable price.
   2) The logger has a clear LCD display with 1 digital humidity and 2 digit temperature
   3) The logger is water and dust resistant to IP-67
   4) The logger has a small compact professional design
   5) The logger has a robust construction
   6) The logger comes with free intuitive software 

2. What is the difference between Minnow 2.0TH and Minnow 2.0T?
The Minnow 2.0TH is a temperature and humidity logger. Minnow 2.0T only logs temperature. Otherwise the loggers have exactly the same features - for example accuracy, logging depth, LCD display, PC Application software etc.

3. What are the maximum logger durations for Minnow 2.0TH and Minnow 2.0T?This will depend on the logging interval:
   1 second interval / 10 hours logging
   10 seconds interval / 7 days logging
   30 seconds interval / 22 days logging
   1 minute interval / 45 days logging
   10 minutes interval / 1.2 years logging
   30 minutes interval / 3.7 years logging
   1 hour interval / 7.5 years logging (or until battery is flat) 

4. Do we need to by anything other than the Minnow logger?
No! Purchase of the logger includes the logger itself and two coin cell batteries. The software to configure the logger and extract data is free and installed from the Web. There is no special purpose programming pods or cables for our product. Everything is simple.

5. What is the preferred battery to use with my Minnow logger?
The Minnow 2.0 logger runs from two standard coin cell batteries. We recommend a CR2032 240mAH coin cell battery. There are different manufacturers but a good one is Panasonic CR-2032. You can find it easily on the web from different places such as www.digikey.com, www2.mouser.com and probably in your local supermarket. The key thing is to choose a CR2450 battery with high capacity since this will translate into a longer logger battery life.

6. What is the response time for the Minnow 2.0 logger for changes in temperature and humidity?
The Minnow 2.0 logger has high quality sensors and due to careful mechanical design is quite responsive. Usually we see a settling time of about 3 minutes for temperature and humidity changes.

7. How do I know if my logger is logging?
When logging the logger will flash the green status LED every 6 seconds. When the logger finishes logging or is turned off then the status LED is permanently off.

8. Can I synchronise multiple loggers?
Yes! If you use the "Start at Specified Time" mode in the configuration and use the same future time for different loggers then they will all start logging together. Try it.

9. What is the Real Time Logging Mode?
Your Senonics Minnow 2.0 logger can run in a mode where it is connected to the logger and the PC application instructs the logger to collect samples continuously at a desired rate. One can then see the samples collected as a table and graphically (live). This is a mode in addition to the regular logging modes and is a feature not supported by other loggers.

10. What version of Windows is supported?
The logger is a HID USB device which means it needs no special driver installed. It uses the driver included in Windows. Because of this the PC software can run on Windows XP, Vista, Windows 7, Windows 8 and Windows 10 in 32 or 64 bit and can be plugged into any USB port on the PC.

11. What options are there for post processing data from the logger?
The data extracted from the logger can be exported as a comma separated value (CSV) file. This is a standard text file format which can be readily processed by many third party programs such as Microsoft Excel, MatLab etc.

12. My PC does not seem to interpret the Senonics CSV format properly?
The CSV file format made by the Senonics PC application has been made to suite USA comma separated format. Usually this file can be opened directly within Excel.

On some PCs and in some countries this will not be interpreted correctly. Instead use the Senonics PC application to write the file with a .txt extension. Next open Excel and open the .txt file. You will be asked how to interpret the CSV file. Ensure that you select the "comma" delimiting. The file will then be interpreted correctly.


You can also now open the data directly using the open from Excel button.


13. How come I can not log more data after I have connected my logger previously in "scheduled start" mode?
When one has used scheduled start and the logger is then connected, logging will be immediately stopped. One may then retrieve the logged data. Unfortunately in this logging mode there is no way to restart the logging without reconfiguring the logger and therefore wiping the data. So you do not loose data but you can not add to the data.

In both logging on disconnection mode and logging on button press it is possible to restart logging when the logger is disconnected and new data is added to the old.

14. How long does it take to ship my logger once I have placed an order?
We endeavour to have all logger products in stock at all times. We ship with Fedex, DHL or UPS transport and the estimated time is 2 days world-wide.

15. Does Senonics make custom logger products?
Senonics is always keen to learn about customers needs and in some cases there could be a cooperative project which results in a custom logger product or setup. Contact us if you have suggestions to our products or some specific application in mind.

 

 

 

ORDER

Buy your Minnow 2.0 here:

Logger Sensors Order
Minnow 2.0T Temperature Only
Minnow 2.0T-C-25 25C Calibrated
Minnow 2.0T-C-XX 15 to 40C Cal
Minnow 2.0TH Temp Humidity
Minnow 2.0TH-C-25 25C Calibrated
Minnow 2.0TH-C-XX 14 to 40C Cal

Buy your External Sensor Probes here:
 
Probe Sensors Order
Ext Sen 1.0TH Temp Hum IP67
Ext Sen 1.0T Temp only Waterproof
Ext Sen 1.0TH-NIST 25C Temp Cal w/ cert
Ext Sen 1.0T-NIST  

**PLEASE CALL US TO ORDER**
 
 
 
USA Office

Tel:1.877.902.2979-1.425.223.4311
Fax:1.877.329.4324
Address: 1480 Gulf Road, Suite 837,
PO Box 1280
Point Roberts, WA 98281

Western Canada - Vancouver BC

Tel:1.800.663.6001 or 1.604.925.6150
Fax:1.604.925.6170
Address: 2454 Haywood Ave
West Vancouver, BC V7V 1Y1

Eastern Canada - Markham, Ontario

Tel:1.800.465.0164 or 1.905.513.7027
Fax:1.905.513.7029
Address: 3075 14th Ave, Unit 219,
Markham, Ontario L3R 0G9