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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 

18

  

Document title 

 

3.3.3

 

AwQ Mode 

 

Figure 3-17 AwQ process flowchart 

© 2012; Rotronic AG 

 

E-M-AwTherm v1.1

 

Содержание AwTherm

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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