Durascale precision digital pocket scale manual
Contents
1. recessed or partially obstructed battery terminals This may cause your prongs to be touching the plastic housing of the battery instead of the metal battery terminal Thank you for purchasing The DuraScale 100 or 50 With normal care and proper treatment it will provide years of reliable service Please read all operating instructions carefully Although this manual was current at the time of printing we often update our user manuals and provide operation tips and guidance on our website Description of error codes that may show on the display 50 00 g max processing weight is 50g 0 Coa zero point is too large 100 00 g max processing weight is 100g 0 ooo zero point is too large A OFF x auto off time is x minutes CAL 0 zero point calibration CAL F full range calibration A ch E r there is an error in analog channel Please try recalibration if this does not work please see at the bottom of this page for more instructions 7 the weight is over 50 09g 100 09g the weight is below 0 09g EEP Er there is an error in accessing eeprom Hld on HId oF display data holding function is available or disabled Cnt Er the unit weight the weight of one part is less 1d in counting function Cnt xx calculate unit weight using xx s sample parts weight NOTE errors 0 a se2. DuraScale Manual amp Advanced Programming I tried using my scale for the first time yesterday The display would only show the A ch Er error Pulling up on the tray as described in the user manual s A ch Er User Repair section provided no change was able to locate the For advanced user repair of Durascale 100 V2 ONLY section on your website was unsure of my scale s version but decided to give these instructions a try Everything appears to function properly since simply wanted to thank you for providing the necessary information on your website certainly appreciate it David B Low Batteries amp bad battery connections are the 1 cause of scale malfunction and inaccuracy We test all of our scale returns from consumers Fully 60 of consumer returns are battery related problems This sounds silly but it s true A scale will perform slowly or read inaccurately when it has low batteries Please replace the batteries often and only use good quality batteries We include good quality batteries with all of our scales but batteries can run low in storage If your scale simply won t turn on while on Battery power this is often caused by loose battery connections Battery prongs terminals are made of metal They must be making good contact with your batteries in order for the scale to power on You can use a paperclip to slightly bend the battery prongs to make them have a better connection Also some poorly designed batteries have
3. an in use cell phone cordless phone radio computer or other electronic device These devices emit RF and can cause unstable scale readings If your scale ever performs poorly try moving the scale to a different room or location This is a very precise scale the display may seem to wander or jump when weighing This is due to air currents or vibrations Stable weighing is achieved when the display remains fixed for 3 seconds FEATURE Power Up Segment Test amp Stabilization When first turning the unit on the segments of the display will appear as shown below This display will remain for approximately 5 seconds and then reset to 0 OPERATION When all segments flash on the display this indicates the batteries are low Battery Replacement DO NOT USE EXCESSIVE FORCE amp DO NOT PRESS ON THE TRAY 1 Four AAA size alkaline batteries are required 2 To install batteries a Release both battery covers by holding the tab and pulling out wards b Place batteries into battery compartment aligned correctly c Replace battery cover 3 The scale is now ready for battery operation Te ol a y lll y y Advanced users only CALIBRATION IMPORTANT This scale was professionally factory calibrated before shipment and does NOT need to be recalibrated by the end user However if you wish to recalibrate your scale we provide these instructions for calibration Repeai calibration if ihe seale performs inaccurately 4ncorr
4. can usually be fixed by recalibration KEEP THE FOLLOWING POINTS IN MIND The tray of the scale can also be used as a weighing cup or bowl Simply turn it upside down and place it on the weighing platform Avoid lengthy exposure to extreme heat or cold your scale works best when operated at normal room temperature Always allow the unit to acclimate to a normal room temperature for at least one hour before use Allow sufficient warm up time Turn the scale On and wait several seconds to give the internal components a chance to stabilize before weighing The cleaner the environment the better Dust dirt moisture vibration air currents and proximity to other electronic equipment can all cause an adverse effect on the reliability and accuracy of your scale Only use on a Stable vibration free surface Handle with care Gently apply all items to be weighed onto tray top Although this scale is designed to be quite durable try to avoid rough treatment as this may permanently damage the internal sensor and void your warranty Avoid shaking dropping or otherwise shocking the scale This is a precision instrument and MUST BE HANDLED WITH EXTREME CARE IMPORTANT ADVICE Place the item to be weighed on the platform after the stable weight is displayed remove the item immediately This will prolong the longevity and accuracy of this weighing instrument These electronic scale are precision instruments Do not operate near
5. e auto off time press TARE to save the setting and then press ON OFF to exit the auto off time programming mode DISPLAY DATA HOLD LOCK FUNCTION SET This advanced scale is equipped with a display lock setting to be used when you wish to keep a displayed value on the display This works well when counting or reloading The hold system works by not allowing the scale to register small weight changes when the hold is switched on 1 Starting with the scale powered off press and hold both the ON OFF and UNIT keys until Hld on display data hold function is on or HId oF display data hold function is off appears on the display When the display data hold function is on and the changing of the weight on the pan is within 2d the display data will not change tt will remain held locked for 20 seconds after the displayed weight was stable for 5 seconds 2 Press UNIT to change Hid on to HId oF or Hid oF to Hid on 3 When you have set the desired value for the data lock press TARE to save the setting and then press ON OFF to exit the lock programming mode KEY PAD FUNCTIONS UNIT Unit mode selection Press and release the key once to change weight unit You can select g grams oz ounces gn grains ozt troy ounces dwt pennyweight mg miligrams or ct carats ON OFF Press this key to turn unit on Once the unit is on press the same key to
6. ect calibration can oceur if you do not follow the steps exactly You will need a 50gram weight or set of weights to calibrate this scale included in the box DURASCALE 50 Easy Calibration There are two models of the Durascale The older Durascales need to begin calibration with the scale turned OFF The newer Durascales need to begin calibration with the scale turned ON Start with the scale powered off or on as per above and nothing on the weighing platform 1 press and hold both the ON OFF and TARE keys until CAL 0 shows on the display 2 Press TARE the 0 in CAL 0 will flash 3 When CAL F shows on the display Place the 50gram calibration weight on the weighing platform 4 Press TARE the F in CAL F will flash 5 When CAL 0 appears on the display remove the 50gram weight from the platform 6 Press TARE the 0 in CAL 0 will flash When the calibration is finished the scale will automatically turn off reset NOTE if after calibration your scale does not read accurately this indicates calibration error and the calibration process should be repeated more slowly Please calibrate on a very stable flat surface DURASCALE 100 Easy Calibration There are two models of the Durascale 100 The instructions below are for each model so if you re not sure try both sets of instructions to see which one will work for your scale Older D 100 Easy Calibrati
7. exed just a fraction of an inch but it didn t seem to be stuck down I turned tk IF fl nn i it G i G A Ee it on and it still had the dashes so I turned it off and did the calibration procedure To my surprise it came up with the F50 00 and cleared to zero I weighed a few things of known weight and it seems to be working now Thanks If you are unable to get your scale working normally again please follow the warranty instructions that came with your Durascale to obtain a free replacement unit For advanced user repair of Durascale V2 ONLY The Version 2 has a round sticker on the bottom with QC Pass The problem of the scale showing A ch Er or display when the weight on pan is less 50g may be solved by following method 1 Prepare a small screwdriver a fine point tweezer 2 Lightly move away the QC paster on the back of the scale using the tweezer now you will see an adjustable resistor from the hole on the scale back shell 3 When the scale is off press and hold down ON OFF key then press down UNIT key until Hid ON or HIid oF is displayed 4 Press Pcs key the scale will display inner code or A ch Er 5 Move away any weight on the scale screw the screwdriver very slowly to adjust the resistor until displayed inner code is in the range of 2000 to 8000 6 Turn off the scale and put the QC sticker back onto the scale cover 7 Re calibrate the scale accordi
8. ng to the user manual
9. on Start with the scale powered off and nothing on the weighing platform 1 press and hold both the ON OFF and TARE keys until CAL 0 appears on the display 2 Press TARE the 0 in CAL 0 will flash 3 When CAL 50 shows on the display Place a 50g calibration weight on the platform and press TARE the 50 in CAL 50 will flash 4 When CAL F shows on the display Place another 50g calibration on the platform and press TARE the F in CAL F will flash 5 When CAL 0 appears remove all weights from the platform and then press TARE the 0 in CAL 0 will flash When the calibration is finished the scale will automatically turn off reset NOTE if after calibration your scale does not read accurately this indicates calibration error and the calibration process should be repeated more slowly Please calibrate on a very stable flat surface Newer D 100 Easy Calibration Start with the scale powered ON and nothing on the weighing platform 1 press and hold TARE until CAL 0 shows on the display 2 Press TARE the 0 in CAL 0 will flash 3 When CAL F shows on the display Place the 100gram calibration weight on the weighing platform 4 Press TARE the F in CAL F will flash 5 When CAL 0 appears on the display remove the 100gram weight from the platform 6 Press TARE the 0 in CAL 0
10. oved for the remainder of the procedure Just turn the scale ON place the tray or container on weighing platform and press the ZERO key The scale will show 0 00 or 0 0 on the display and you can add items to the container tray NOTE When all weight are removed from the weighing tray the tared value of a container will be displayed as a negative number Cycle the power on the scale or press the TARE key to reset the scale to zero These electronic scale are precision instruments Avoid disturbing environmental conditions such as currents vibrations strong electrical and magnetic fields as well as a rapid change of the ambient temperature A ch Er User Repair If your display is stuck showing A ch Er it means that the signal coming from the load cell to the processor is out of the range of normal The most often cause of this is that the load cell has been pushed down due to accidental overload often when people are changing the batteries they accidentally push down on the tray Most of the time this can be fixed by simply pulling or prying up on the tray to bend the load cell slightly up so that it will be within spec We build a lot of overload protection into our design but especially with a precise 0 01gram scale it s still possible to accidentally overload the scale Here is a typical email from a Durascale owner that fixed the problem using the above instructions OK I pulled up on each side of the platform very gently It fl
11. turn the scale off PCS PARTS COUNTING MODE 1 In normal weighing mode Press PCS to prepare to enter the parts counting mode Cnt will be displayed and will flash Cnt means Count mode 2 When the scale has stabilized Cnt xx will be displayed xx means a value of rd 10 20 30 40 or 50 rd means the unit weight of the last item you weighed 3 Press the UNIT key xx will change to rd 10 20 30 40 or 50 select the quantity value you wish to use for counting 4 Place the number of items on the tray that you selected in step 3 for example 20 pieces of an item 5 Press TARE to confirm the above setting and begin counting OR When Cnt rd is selected Press TARE to recall the last unit weight to count parts 6 When xx pc is displayed small pc in the upper part of the display for example 20 pc is displayed the scale is in parts counting mode You can place any quantity of an item on the tray and it will tell you the total number of items You can also perform the following operations lt 1 gt Press PCS to exit parts counting state and go into normal weighing state lt 2 gt Press TARE to re zero the scale lt 3 gt Press ON OFF to turn off the scale ZERO TARE Press Zero to reset the scale to zero This can be used for eliminating from a sample or a Tray Container the weight value of a container weight is permanently rem
12. will flash When the calibration is finished the scale will automatically turn off reset NOTE if after calibration your scale does not read accurately this indicates calibration error and the calibration process should be repeated more slowly Please calibrate on a very stable flat surface INACCURACY ERROR The primary reasons for inaccuracy or malfunction are low batteries incorrect calibration air movement overload or operating on an unstable surface Please keep this in mind and maintain and operate your scale properly The scale is a precise instrument and must be handled with ihe utmost care and caution Overload When an applied load exceeds the capacity will appear on the display Remove the excessive load immediately Remember You can permanently damage the scale by overloading it Negative Value Any tarred value or a value left in memory will be displayed as a negative number once all weight is removed from the unit Press tare to re Zero the unit Auto off An adjustable auto shut off feature is provided to conserve battery power To program the auto off time please follow these instructions 1 Starting with the scale powered off press and hold both the ON OFF and PCS keys until A OFF x is shown x 1 2 or 3 this means the auto off time is 1 2 or 3 minutes 2 Press PCS the value for x will change and flash 3 When you have set the desired value for th
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