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6 | Operation

TD20

18 / 27

B-H86.0.0B.DB201-1.0

T.OF

 = display zero point correction – setpoint zero point

T.OF

 = -0.2 °C – 0.0 °C = -0.2 °C

T.SL

 = (setpoint gradient correction / (display gradient correction – 

T.OF

) – 1) *100

T.SL

 = (37.0 °C / (36.6 °C – (-0.2)) -1) *100 = 0.54

Outcome of an action

The changed value is saved and the 

Configuration

 menu is closed.

 NOTE

If the product is switched off without saving the configuration, the last save value is re-
produced on the next start-up of the product.

Summary of Contents for TD20

Page 1: ...EN TD20 Alarm thermometer Operating manual European catalogue number EU connection 620 2641 Version 1 0 Issued 07 01 2019 ...

Page 2: ...e product at a glance 12 5 1 The TD20 12 5 2 Display elements 12 5 3 Operating elements 12 6 Operation 14 6 1 Commissioning 14 6 1 1 Explanation 14 6 2 Configuration 14 6 2 1 Explanation 14 6 2 2 Opening the configuration menu 14 6 2 3 Configuring parameters of the configuration menu 15 6 2 4 Adjustment of the measuring input 16 6 2 5 Configuring parameters of the adjustment menu 17 7 Bases for me...

Page 3: ...Table of contents B H86 0 0B DB201 1 0 3 27 10 Disposal 23 11 Technical data 24 12 Service 25 12 1 Online resources 25 12 2 Sales partners 26 ...

Page 4: ...dress of the manufacturer TD20 4 27 B H86 0 0B DB201 1 0 1 Legal address of the manufacturer VWR International bvba Researchpark Haasrode 2020 Geldenaaksebaan 464 B 3001 Leuven Phone 32 16 385011 http be vwr com ...

Page 5: ...om material and production de fects for a period of two 2 years from the time of delivery If there is a defect VWR shall decide on its own discretion whether to repair or replace the product free of charge or to provide the customer with a refund of the purchase price of the product insofar as it is sent back during the warranty period This warranty shall be voided if the product was damaged accid...

Page 6: ...r each step Instruction Tasks to be carried out by the personnel user are represented as numbered instruc tions Adhere to the sequence of the specified instructions Representation Shows an illustrative instruction or a configuration of the product Formula Some instructions include a formula for a general understanding of a configuration programming or a setting of the product Outcome of an action ...

Page 7: ...1 0 7 27 NOTE For information about the software version press and hold the ON button to switch on the product for longer than 5 seconds The series is shown in the main display and the software version of the product is shown in the secondary display ...

Page 8: ...ns and the device specific safety instructions for this document are observed If these notices are disregarded personal injury or death as well as property damage can occur DANGER Incorrect area of application In order to prevent erratic behaviour of the product personal injury or property dam age the product must be used exclusively as described in the chapter Description p 11 in the operating ma...

Page 9: ... probes with care Fit a protective cap on the measuring probe NOTE If the product is stored at a temperature above 50 C or is not used for an extended period of time the batteries must be removed Leaks from the batteries are avoided as a result NOTE This product does not belong in children s hands NOTE The sensor handle connecting cable and product housing are not designed for con tinuous contact ...

Page 10: ...urements for which purpose this document makes a valuable contribution The instructions in this docu ment must be understood observed and followed In order to ensure that no risks arise from the interpretation of the measurements in the concrete application the user must have additional technical knowledge because the user is liable in case of damage danger due to misinterpretation as a result of ...

Page 11: ...lude the dust proof and waterproof design in accord ance with IP 65 67 and the 3 line illuminated display which offers overhead display at the push of a button The product can be switched on switched off and configured and the measurements and parameters can be adjusted and held with the operating ele ments The permanently connected temperature sensor is designed for a measuring range from 70 C to...

Page 12: ...x hold Auxiliary display Measurement of the current temperature in min max hold mode with unit 5 3 Operating elements On Off button Press briefly Switch on the product Activate deactivate lighting Long press Switch off the product Reject changes in a menu Up Down button Press briefly Display of the min max value Change value of the selected parameter Long press Reset the min max value of the curre...

Page 13: ...TD20 The product at a glance 5 B H86 0 0B DB201 1 0 13 27 Long press 2s Open menu frozen measurement is displayed Close menu changes are saved ...

Page 14: ...product for your purposes NOTE There are various configuration parameters available depending on the product ver sion and configuration They can differ depending on the product version and configur ation 6 2 2 Opening the configuration menu Description In order to configure the product you must first open the Configuration menu The menu is opened as shown in the illustration Prerequisite The produ...

Page 15: ...meter you would like to configure 2 Adjust the desired configuration in the selected parameter with the Up button and Down button 3 The available configuration options are listed for each parameter in the following representation Representation Parameter Values Meaning Alarms AL OFF No active alarm ON Alarm alerting via text display acoustic signal and flashing of the backlighting BEEP Alarm alert...

Page 16: ...rection If an adjustment is made you change the pre adjusted factory settings This is signalled with the T OF or T SL when the product is switched on The standard settings of the zero point value and the gradient value is 0 00 It signals that no correc tion is made In order to adjust the product you must first open the Adjustment menu The menu is opened as shown in the illustration Prerequisites S...

Page 17: ...selected parameter with the Up button and Down button 3 The available configuration options are listed for each parameter in the following representation Representation Parameter Values Meaning Zero point correction T OF 0 00 No zero point correction 5 00 5 00 Zero point correction in C and or at F 9 00 9 00 Gradient correction of the temperature T SL 0 00 No gradient correction 5 00 5 00 Gradient...

Page 18: ... setpoint gradient correction display gradient correction T OF 1 100 T SL 37 0 C 36 6 C 0 2 1 100 0 54 Outcome of an action The changed value is saved and the Configuration menu is closed NOTE If the product is switched off without saving the configuration the last save value is re produced on the next start up of the product ...

Page 19: ...ental temperature influ ence the measurement result NOTE Thermally conductive paste between the measuring sensor and surface can also in crease measurement accuracy in some cases 7 1 3 Cooling evaporation Air temperature The measuring sensor should be dry otherwise the temperature measurement is too low 7 1 4 Response time Response time T90 An adequate wait time must be observed for the measuring ...

Page 20: ...1 Battery indicator If the empty frame in the battery display blinks the batteries are depleted and must be replaced However the device will still operate for a certain length of time If the BAT display text appears in the main display the battery voltage is no longer ad equate for operation of the product Now the battery is fully depleted 8 2 2 Changing battery DANGER Danger of explosion Using da...

Page 21: ...erequisites The product is switched off A suitable PH1 is available Instruction 1 Unscrews the Phillips screws and remove the cover 2 Carefully replace the two Mignon AA batteries Ensure that the polarity is correct It must be possible to insert the batteries in the correct position without using force 3 The O ring must be undamaged clean and positioned at the intended depth In or der to facilitat...

Page 22: ...em error Product is defective Battery depleted Error in the product Product is defective Replace battery Send in for repair BAT Battery depleted Battery depleted Replace battery ERR 1 Measuring range ex ceeded Measurement too high Incorrect measuring probe connected Measuring probe or product defect The measurement is above the permissible range Check measuring probe Send in for repair ERR 2 Measu...

Page 23: ...for recycling It is also your re sponsibility to decontaminate the equipment in the event of biological chemical and or radioactive pollution in order to avoid putting any persons assigned with the disposal and recycling at risk For further information about the location where you can drop off your product contact your local dealer or the place where you originally purchased the product If you pro...

Page 24: ...out kink protection Weight 150 g incl battery and sensor Operating conditions 20 to 50 C 0 to 95 r h temporarily 100 r h Storage temperature 20 to 70 C Current supply 2 AA battery included in the scope of delivery Current requirement battery life approx 0 4 mA approx 2 mA with lighting Service life 5000 hours with alkaline batteries without backlight ing Battery indicator 4 stage battery status in...

Page 25: ...ite at www vwr com All contact information of the technical customer service VWR online catalogue and information about accessories and compatible products Additional product information and special offers Contact If you require information or technical support please contact your VWR sales centre or visit our website www vwr com ...

Page 26: ...n Tel 36 52 521 130 Email info hu vwr com India VWR Lab Products Private Limited No 139 BDA Industrial Suburb 6th Main Tumkur Road Peenya Post Bangalore India 560058 Tel 91 80 28078400 Email vwr_india vwr com Ireland Northern Ireland VWR International Ltd VWR International Northern Ireland Ltd Orion Business Campus Northwest Business Park Ballycoolin Dublin 15 Tel 353 01 88 22 222 Email sales ie v...

Page 27: ...ail info fr vwr com 0 18 TTC min Netherlands VWR International B V Postbus 8198 1005 AD Amsterdam Tel 31 020 4808 400 Email info nl vwr com Norway VWR International AS Haavard Martinsens vei 30 0978 Oslo Tel 47 22 90 00 00 Email info no vwr com Great Britain VWR International Ltd Customer Service Centre Hunter Boulevard Magna Park Lutterworth Leicestershire LE17 4XN Tel 44 0 800 22 33 44 Email uks...

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