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Simret 4000 Instructions, Issue 10, Jan 2011 

© 1994-2011, Turnkey Instruments Ltd. Page 3 of 17 

supplied (12v DC, 0.8A, ve) battery charger to the socket on the Pelicase front panel. 
This ensures the Simret 4000, 

Printer

 and 

PFT

 are all recharged when the battery charger is 

connected. The battery charger can also be connected directly to the 

SIMRET

 or 

PFT

.  

 

When switched-on, the instrument display’s battery icon, on the top right of the 

Start

 and 

Main 

menus, will indicate when the charger is connected and the instrument is taking charge. 

A full battery recharge takes about 12 hours (overnight), the instrument should be given a top-
up charge each month. Operating time from full re-charge is normally over 8 hours.  

 

If the instrument is switched-off, the pass and fail lights will flash when the charger is 
connected. 

The Simret 4000 

Printer

 requires 58mm width thermal printer paper with a maximum roll 

diameter of 32mm. No printer ribbon is required. 

 

To switch the 

Printer

 on, press the button marked 

 

>>

.

 A green light appears while the printer 

is on. Press 

 

>>

 to feed extra paper. To switch off, press and hold 

 ||

 

 . Please refer to the 

Electronic Printer Mechanism (EPM) instruction extracts at the end of this document for more 

information about the printer and changing paper rolls. 

 

WIRED OPERATION:

  If you do not wish to use the Bluetooth features of the SIMRET 4000, the 

Printer

 or the 

Pedal Pad

 can be physically connected to the 

SIMRET’s

 8 pin DIN connector.  

 

In particular, when a none Bluetooth 

Pedal-Pad

 is connected to the DIN 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 and correct, ensuring the safety of your 

operatives and plant. For a small annual fee, Turnkey offers an 

Extended Warranty

 for the 

Simret 4000 which includes annual re-calibrations, all materials and labour costs in the event 
of breakdown, and an unlimited technical support helpline. Please see our website for more 
information or call 0800 195 8887. 

 
 

IN THE EVENT OF A FLAT BATTERY:

  If your SIMRET 4000 has been left neglected and not 

used for many months its battery may become fully discharged (NiMH batteries typically self-
discharge at about 10% per month) and as a consequence the display will not appear  (or 
disappears immediately) when the instrument is switched-on. If this happens, just connect the 
charger and wait a 30 minutes before trying to switch on again. If the display now appears 
correctly, switch off and give the instrument a full re-charge. If no display appears or the 
instrument does not start correctly or appears to malfunction, the instrument must be reset. Do 
this by pressing and releasing the RESET button, this is the right hand side push-button when 
viewed from the rear of the instrument. You may need a ballpoint pen or pencil to depress it 
properly. Note that if they battery has become discharged, the time and date will have to be 
re-entered but no results or settings will have been lost. 

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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