Foreword Dear Testo customer We are delighted that you have chosen a product from Testo. We hope that the product will give you a long period of satisfaction and will aid you in your work. If problems should occur which you cannot rectify yourself, please consult our service department or your dealer.
General notes 3 General notes This documentation contains important information about the features and use of the product. Please read this document through carefully and familiarise yourself with the operation of the product before putting it to use. Keep this documentation to hand so that you can refer to it when necessary.
3. Installation ..............8 System requirements ..........8 Installing the software ..........8 4. Programming ..............9 4.1 Connecting the testo 521/526 to the PC ......9 4.2 Setting up a connection ..........10 4.3 Opening a connection ..........11 4.4 Programming the testo 521/526 ........12 Module bar ..............13 Instrument..............13...
Limited guarantee Testo guarantees for a period of 90 days following the acquisition of the software by the buyer or for a longer minimum time period if stipulated by the laws in the country of purchase that the software generally corresponds to the standards defined in the accompanying documentation.
2. Intended purpose This software module is used for storing, exporting and evaluating individual readings and series of measurements and for configuring the handheld testo 521 and testo 526. The graphical presentation of readings is the main task of this program.
I I n n s s t t a a l l l l a a t t i i o o n n p p r r o o c c e e s s s s In order to adapt the programming of your testo 521/526 to your own particular requirements, you will need a PC on which the testo ComSoft soft- ware is installed. Instructions for installing and operating the software can be found in the testo ComSoft manual.
4. Programming 4.1 Connecting the testo 521/526 to the PC To be able to connect the testo 521/526 to your PC, you need a free serial interface (RS232). If you only have USB interfaces, you need a USB-to- serial adapter, which can be obtained from your PC dealer.
4.2 Setting up a connection 1 1 Start the testo ComSoft software. 2 2 Select I I n n s s t t r r u u m m e e n n t t > > A A u u t t o o d d e e t t e e c c t t ..
In the archive window, double-click on the connec- tion you want to open. - If a measurement log is stored in the testo 521/526, the log symbol and the short name of the log will appear under the opened connection.
4. Programming Date and time: The set date and time are displayed. Click on S S y y n n c c h h r r o o n n i i z z e e to synchronize the date and the time with the clock of your PC.
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Units Click on U U n n i i t t s s . Options (testo 521) To switch additional parameters on or off, click on O O p p t t i i o o n n s s .
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4. Programming Calculating density from ambient conditions Activate the F F r r o o m m a a m m b b i i e e n n t t c c o o n n d d i i t t i i o o n n s s menu item. Press the N N e e x x t t button.
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4. Programming 17 Enter the pitot tube factor. - Barometer value of ambient conditions Select the W W i i t t h h b b a a r r o o m m e e t t e e r r v v a a l l u u e e menu item and click on N N e e x x t t .
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4. Programming Options (testo 526) Switching additional parameters on or off Channels Click on C C h h a a n n n n e e l l s s . With scalable sensors, scaling coefficients can be sti- pulated for the sensor inputs.
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4. Programming 19 Service Click on S S e e r r v v i i c c e e . - Address Press the A A d d d d r r e e s s s s button. The Enter address window is then opened.
4. Programming Cross-section Activate the desired cross-section with the mouse key. Then press the mouse key and open the P P r r o o p p e e r r t t i i e e s s menu. - Enter the value for round surfaces.
4. Programming 21 - Enter the value for the area. Factor: Enter offset factor. Confirm each input by pressing O O K K . Measuring program Measuring rate: You have a choice between fast measurement and user defined. Fast measurement activates the measu- ring cycle 0.04 s, while user defined enables a free value to be entered.
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4. Programming Location: Choose the location at which the measurements are to be performed. T T i i g g h h t t n n e e s s s s t t e e s s t t p p a a r r a a m m e e t t e e r r Press the T T i i g g h h t t n n e e s s s s t t e e s s t t p p a a r r a a m m e e t t e e r r button.
4. Programming 23 4.5 Fast measurement Fast measurement records dynamic pressure proces- ses. These can occur unexpectedly. In some circum- stances large volumes of data can be created during recording, even though there is no event. The trigger function can be used to define a rule that filters out the interesting data material.
4. Programming Monitor functions - Play Display the monitor log online. Only the “Pause” and “Snapshot” or “Trigger” buttons can be selected. - Pause The monitor pauses. The scroll functions and “Snaps- hot” can be selected. - Scroll forward/back 1/10 the width of the window each time - To the start / To the end Select the first or the last log.
4. Programming 25 Settings Recording can optionally be controlled by means of the reading trigger. Triggers generate snapshot logs. A history can also be added to the log. Once the starting event has arrived, only 10s can be used as history. If the starting event arrives immediately after the time window has started, the history will not be included.
Activate the sites (keep shift button pressed and click on locations with left mouse button) located at the testo 521/526 instrument driver. Then click the right mouse button on a highlighted site. Select the E E x x t t r r a a s s menu.
Fast measurement: Invalid trigger Illogical trigger configuration Change settings accordingly values If we were unable to answer your question, please contact your distributor or Testo Customer Service. You will find contact details in the Warranty booklet or in Internet at www.testo.com .