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Simret 4000 Instructions, Issue 10, Jan 2011 

© 1994-2011, Turnkey Instruments Ltd. Page 17 of 17 

For Bluetooth, click on 

Search

 and the program will search for available Bluetooth devices and 

produce lists of available Friendly Names and Bluetooth Addresses. Click on the name of the 
instrument you wish to connect. 
For a wired connection, click on 

Connect

 button. 

If the instrument is switched on and in the 

Start Menu or Main Menu

, it will connect automatically 

and upload its serial number, calibration due date and its local time. It will stay connected and 
switched-on as long as the program is running. 
 
The information that may be exported to the instrument is shown on seven tabbed pages labelled 

Company

Examiner

, and so on. Click on a tab to select a page. On the selected page, type in the 

names or information you wish to download. You are allowed 16 characters per line; the number of 
lines that will be sent is shown at the bottom of the page. 
 
Click 

Export

 to download the selected page of information to the instrument. Click 

Import

 to 

upload existing information from the instrument. Click 

Save

 to save the page of information to your 

Windows directory for future use; for example, if you want to download the same plant list to 
several instruments. Note that each tabbed page must be exported (or imported) and saved in turn as 
required. 
 
If you have several different groups of plant names, create copies of the program in different 
directories to suit. 
 
Click 

Set Time

 to set the instrument to your PC’s time and date. 

 

 

NOTES 

 
 
 
 

This instrument is protected and the design registered in the United Kingdom 3001616, Germany 

40206551.4, USA D478523S, France 024676, South Africa A2002/00965 and Australia 150186. 

 

Turnkey® and SIMRET® are registered trademarks. SIMRET® was originally developed by the 

UK Health and Safety Executive to measure brake ratio for heavy off-road vehicles and mine 

locomotives. 

 

simret.eu 

 

[email protected]

0800 195 8887 

Freepost Turnkey 

© 2010, Turnkey Instruments 

MJL, Issue 10, Jan 2011 

Software 2.21 

Содержание Simret 4000

Страница 1: ...f a menu will return you to the previous menu or use the button SWITCHING ON To power the instrument hold down OK and then release The display will appear when OK is released The instrument will perform a short self test and display its software version and when calibration is next due The Start Menu will then appear The self test will warn if re calibration is overdue and if more than 80 tests ha...

Страница 2: ...ying to pair until the device is switched on and pairing is successful Successful pairing normally takes just a few seconds although if many discoverable Bluetooth or WiFi devices are in range it may take a little longer If the device will not pair just single click to try again or hold down and release to abandon and investigate To pair with the Printer first make sure the printer is switched on ...

Страница 3: ... connector with the cable provided the SIMRET will not make any attempt to pair using Bluetooth In this case after arming for a test just depress the pedal to trigger the instrument RE CALIBRATION Your Simret 4000 is a precision instrument and must be recalibrated annually by an accredited laboratory This gives you the optimum re assurance that the brake ratio measurements will always be accurate ...

Страница 4: ...btained when the instrument base is parallel to the road surface The instrument is best used with the Pedal Pad attached to the brake pedal This informs the instrument when the brakes are applied so it can then measure the delay time of the braking system This is the time interval between applying the brakes and the deceleration start threshold being reached For heavy vehicles this may be quite si...

Страница 5: ...n the instrument will try to force you to confirm the ground slope at the end of the test It has to do this because it doesn t know the proper direction of the slope until after the test You can override this by selecting NO for slope at stop during the arming menu in which case the instrument will assume it is positioned in the vehicle exactly parallel to the ground Over the years Turnkey has pro...

Страница 6: ...tions single click to show a list of up to 16 site conditions or user notes to highlight then click again to select or double click to edit Measure GRADIENT single click to measure the slope gradient The instrument continuously measures and displays the slope gradient in percent A negative number means a downward gradient If a very accurate measurement is required first trim the instrument zeros s...

Страница 7: ... you to hold the instrument on the brake while arming and also allows the instrument to determine its direction of travel but see Allow Coasting in Change Settings Until you reach a speed of 5 kph or mph you may still elect to measure the Slope at Stop and to Pause before doing so move the highlight and click ON or OFF as required see Change Settings The instrument will beep as this speed is passe...

Страница 8: ...e times of the external start trigger if enabled and the start and end of deceleration Single click to close the graph and review other results Single click Print to print this test now regardless of the whether or not the test has been marked for print The printer will turn on automatically if it has been paired previously if not switch on first by pressing its button to pair Printing graphs and ...

Страница 9: ...tic Backup if the SD card is fitted whenever the instrument switches off with its internal memory more than 80 full or containing more than 75 tests the internal memory will be automatically backed up to the next Folder Number on the SD Card The internal memory will then be erased This will be repeated when it is next full until all 1000 folders have been used 75 000 tests If the automatic backup ...

Страница 10: ...k to accurately trim the zero readings of the instrument by following the on screen instructions Any flat surface may be used it need not be horizontal Erase all Tests single click to erase all the tests in the instrument s memory regardless of whether marked for erase or not You will be prompted to confirm Set Time and Date single click to set the time and date by following the on screen instruct...

Страница 11: ...n The true stop time is the start of this time End Delay 2 5 s delay before measuring the stop point slope gradient Only if Slope at Stop has been selected Peak over 0 20 sec the minimum time the peak reading has to be sustained Dive 5 0 deg g compensation for the tilt of the vehicle in degrees tilt per g of deceleration caused by the movement of its suspension as it decelerates PFT trig 20 0 kgF ...

Страница 12: ...ces The passcode is 1234 Printing pair single click on one of these to pair for printing Bluetooth Address single click to show the Bluetooth Device List as addresses to highlight then single click to select or double click to edit see Editing The instrument will automatically try to pair with the chosen device before printing Friendly Name single click to show the Bluetooth Device List as friendl...

Страница 13: ...nits of g External trig Yes YES to start at external trigger NO to self start at deceleration Delay in Mean No YES to include the brake delay in the mean calculation NO to exclude gives higher readings MFDD markers Yes YES to mark 80 and 10 V on graphs NO for no MFDD markers Calc Distance Yes YES to calculate stopping distance NO do not calculated Slope at stop No YES use gradient at stop as refer...

Страница 14: ...f you have selected Auto Alignment the instrument will force you to confirm the slope of the ground at the end of the test for it doesn t know the axis for measurement until after the test has begun Effectively Auto Alignment sets Slope at Stop ON if Brake Effort is being measured Allow Coasting is mainly for railway use and is only available if Auto Alignment is off and the External Trigger is se...

Страница 15: ...as the mean deceleration between 80 and 10 of the test speed and is now used internationally as the standard measure of brake performance When MFDD markers is on marker lines are placed on the graphs at the 80 V and 10 V points These are in addition to the graph marker lines at the start and stop deceleration thresholds and the external trigger point Note if brake effort is being measured the Mean...

Страница 16: ...If your PC is equipped with a Turnkey Bluetooth Adaptor the instrument will be discovered by it and a wireless connection made whenever it is switched on and discoverable e g in the Start Menu and Main Menu Alternatively use a Turnkey USB Link to physically connect the instrument s DIN connector to a USB port on your computer The instrument will sense the DIN connector and override the Bluetooth i...

Страница 17: ... shown at the bottom of the page Click Export to download the selected page of information to the instrument Click Import to upload existing information from the instrument Click Save to save the page of information to your Windows directory for future use for example if you want to download the same plant list to several instruments Note that each tabbed page must be exported or imported and save...

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