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Rotronic AwTherm, Instruction Manual

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Rotronic AwTherm Instruction Manual Download Page 31

E-M-AwTherm-V1.1 

Rotronic AG 

Bassersdorf, Switzerland 

Document code 

Unit 

AwTherm: Water Activity at Controlled Temperature 

Instruction Manual for Software 

Version 1.1 

Document Type 

Page 

27

  

Document title 

 

 

6.2.3

 

Chamber 

 

Periodically it is recommended that the internal surfaces of the AwTherm chamber. The bottom 

half can be removed and placed in a dishwasher.  

 

 

© 2012; Rotronic AG 

 

E-M-AwTherm v1.1

 

Summary of Contents for AwTherm

Page 1: ...tronic AG Bassersdorf Switzerland Document code Unit AwTherm Water Activity at Controlled Temperature Instruction Manual Version 1 1 Document Type Document title Instruction Manual 2009 2010 Rotronic...

Page 2: ...cument title Contents of the Standard Supply Package AwTherm stabilised temperature water activity meter with either PS 14 or PS 40 sample cup holder HW4 P Quick V3 software code sticker MicroUSB cabl...

Page 3: ...3 3 2 AwE Mode 17 3 3 3 AwQ Mode 18 3 4 Switching off the AwTherm 19 3 5 Preparing the Unit for Transit or Storage 20 4 Sample preparation 21 4 1 Protection from environment 21 4 2 Sample size and tem...

Page 4: ...Contents Table of Contents Document Type Document title A4 AwTherm Environmental Conditions 33 A5 Electrical Specifications 33 A6 Battery disposal and replacement 34 B1 AwTherm Warranty Statement 35...

Page 5: ...erature and so for consistent repeatable measurements it is vital to maintain known and stable thermal conditions AwTherm is based on the same technology as the Rotronic HygroGen2 temperature and humi...

Page 6: ...arthed electrical supply is required Earth Leakage Current Due to RF filtering there is an earth leakage current within the limits specified in EN 61010 1 2001 This may affect mains power circuits pro...

Page 7: ...terruptable Power Supply UPS is used to provide continued power and mains filtration This should be rated according to the AwTherm power specifications see Appendix A5 Electrical Specifications and th...

Page 8: ...Therm Assembly Figure 2 1 AwTherm Assembly with lid open front and rear view 1 Lid 2 Removable measuring head 3 Sensor 4 Rubber seal 5 Electrical mains connection 6 Heat pump 7 Air flow sleeve 8 Sampl...

Page 9: ...der sizes Alternative sample cup holders are available as accessories see Section A3 AwTherm Order Codes Note that sample equilibrium time is dependent on the sample space and so the selection of samp...

Page 10: ...witched on 2 Switch the unit on by pressing the ENTER button once 3 The fans within the unit will switch on giving an immediate audible indication the unit is powered 4 The loading screen will display...

Page 11: ...ed Temperature Instruction Manual for Software Version 1 1 Document Type Page 7 Document title 3 2 AwTherm Interface Figure 3 2 AwTherm Top Level Screen 19 Temperature trend indication 20 Aw trend ind...

Page 12: ...ic Navigation The AwTherm interface consists of a Top Level Screen with 3 fields which can be manipulated set point temperature status and device settings Menu Pressing the up or down arrow scrolls th...

Page 13: ...Page 9 Document title 3 2 2 Main Menu There are a number of AwTherm system and program settings that can be configured To access the settings select MENU and press the ENTER button Figure 3 4 Access...

Page 14: ...autoscroll 3 2 3 AwTherm Settings i Device Info displays the serial numbers of the unit itself the AirChip Sensor and the firmware version that the AwTherm is running Figure 3 5 Device Info ii Device...

Page 15: ...not used a part of data logging and therefore is not crucial to the operation of the instrument Data logging is performed using Rotronic HW4 software running on an external PC see Section 5 1 Please...

Page 16: ...er details regarding AwQ measurement mode are found in Section 3 3 3 Figure 3 9 AwQ Settings vi Service the AwTherm firmware can be updated via this menu using a Micro USB drive inserted into the Micr...

Page 17: ...erature of the sample chamber environment 12 The heat pump 6 controls the temperature of the air which is circulated through the airflow sleeve 7 around the outside the walls of the sample chamber To...

Page 18: ...heating or cooling When stable to within the defined AwE AwQ temperature tolerance see Section 3 3 the Trend Indicator will display up and down indicators simultaneously Note that the chamber will rea...

Page 19: ...al is constantly monitored 3 After an initial period of time dwell time AwTherm uses the humidity data to project the end value of the equilibration process water activity The measurement ends automat...

Page 20: ...tus field and press ENTER Figure 3 14 Select status field Then use the UP DOWN touch buttons to and select START and then press ENTER Figure 3 15 Select START and press ENTER The measurement run will...

Page 21: ...witzerland Document code Unit AwTherm Water Activity at Controlled Temperature Instruction Manual for Software Version 1 1 Document Type Page 17 Document title 3 3 2 AwE Mode Figure 3 16 AwE process f...

Page 22: ...witzerland Document code Unit AwTherm Water Activity at Controlled Temperature Instruction Manual for Software Version 1 1 Document Type Page 18 Document title 3 3 3 AwQ Mode Figure 3 17 AwQ process f...

Page 23: ...AwTherm To turn off AwTherm press and hold the ENTER touch button until the Shutting Down screen appears and the progress bar has completed To cancel the shutdown process at any time simply stop press...

Page 24: ...ity at Controlled Temperature Instruction Manual for Software Version 1 1 Document Type Page 20 Document title 3 5 Preparing the Unit for Transit or Storage If the AwTherm needs to be shipped always u...

Page 25: ...for the sample to reach temperature in order to make a valid measurement The time taken depends on the size weight and specific heat capacity of the sample Difficulties in knowing the sample has reach...

Page 26: ...e which can be loaded on any PC running a Windows OS Once installed simply connect the AwTherm to a PC via the MicroUSB port with the supplied cable HW4 features include Instrument configuration Data...

Page 27: ...nt Type Page 23 Document title 6 Servicing and Maintenance 6 1 AwTherm Calibration A unique feature of the AwTherm is the ability to remove the entire head to calibrate both the Aw and temperature sen...

Page 28: ...otronic AG Bassersdorf Switzerland Document code Unit AwTherm Water Activity at Controlled Temperature Instruction Manual for Software Version 1 1 Document Type Page 24 Document title 2012 Rotronic AG...

Page 29: ...otronic AG Bassersdorf Switzerland Document code Unit AwTherm Water Activity at Controlled Temperature Instruction Manual for Software Version 1 1 Document Type Page 25 Document title 2012 Rotronic AG...

Page 30: ...hile it is being calibrated To order spare heads see Appendix A3 AwTherm Order Codes 6 2 AwTherm Cleaning Prior to cleaning the unit should be disconnected from the electrical mains supply 6 2 1 Exter...

Page 31: ...at Controlled Temperature Instruction Manual for Software Version 1 1 Document Type Page 27 Document title 6 2 3 Chamber Periodically it is recommended that the internal surfaces of the AwTherm chamb...

Page 32: ...ype Page 28 Document title 6 3 Annual Servicing of AwTherm The unit does not require routine user maintenance beyond that described in this Section Under no circumstance should the unit be opened by p...

Page 33: ...dates To update the AwTherm firmware select the Service menu as described in Section 3 2 3 vi and change the default NO to YES and press ENTER to continue The AwTherm will ask for a pen drive Insert a...

Page 34: ...erature Instruction Manual for Software Version 1 1 Document Type Page 30 Document title The AwTherm will verify the firmware image and re flash its memory The software will start as normal You can th...

Page 35: ...A1 AwTherm Screen Messages Should the AwTherm fail to communicate with the sensor head a Hardware Diagnostic page will display...

Page 36: ...mware update Via USB port Functions HW4 compatible Yes v 3 6 0 and higher aw Quick function Yes Interface Micro USB Calibration Adjustment Aw Temperature HG2 S probe removed with AwT CAL Aw ROTRONIC h...

Page 37: ...arately depth 40mm Sample container PS 14 Pack of 100 sample containers for AwT PS14 PS 40 Pack of 100 sample containers for AwT PS40 A4 AwTherm Environmental Conditions This standard applies to equip...

Page 38: ...Lithium rechargeable batteries and must only be replaced with the same type The replacement battery will be supplied with plastic tweezers do not use a metal tool to remove the battery as this will ca...

Page 39: ...supply or delivery of any improvement or replacement not prove possible the customer may choose between having the purchase price reduced or in demanding the contract of sale to be rescinded conversio...

Page 40: ...Engineers Road Hauppauge NY 11788 USA Phone 1 631 427 38 98 Fax 1 631 427 39 02 sales rotronic sa com www rotronic usa com Germany Service Centre Rotronic Messger te GmbH Einsteinstrasse 17 23 76275...

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