User`s Manual High Capacity Bench-top Counting Scale
Contents
1. any Extech product call customer service for details on services available Extech recommends that calibration be performed on an annual basis to insure calibration integrity T Tech Support Hotlines 781 890 7440 ext 200 extech extech com www extech com Copyright 1999 Extech Instruments Corporation All rights reserved including the right of reproduction in whole or in part in any form 160276 V1 2 3 00 Introduction Congratulations on your purchase of Extech s 160276 High Capacity Bench top Counting Scale This scale accurately weighs components and parts up to 66lbs 30kgs Sample Counting and Tare functions are standard The Scale is battery operated and the internal battery is rechargeable using the supplied 117AC adapter recharger Proper use and care of this device will yield years of reliable service Specifications Display LCD Display with 0 8 character height LCD status arrows Display for low battery zero net weight pieces lbs and kg Max Weight 66 Ibs 33kg Resolution 0 01 Ibs 5g Accuracy 0 02 Power supply Internal rechargeable battery Range selection Automatic ranging Auto Power OFF Programmable for 5 10 20 or 30 minutes can be deactivated Operating temp 32 to 122 F 0 to 50 C Platform Size 16 x 12 41 x 31 cm Scale Description Scale platform Adjustable scale legs Programming keypad LCD display Display locking nut Display arm Allen screws for display arm adjustment AC a2. User s Manual EXT INSTRUMENTS High Capacity Bench top Counting Scale Model 160276 WARRANTY EXTECH INSTRUMENTS CORPORATION warrants the basic instrument to be free of defects in parts and workmanship for one year from date of shipment a six month limited warranty applies on sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 for authorization A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied CALIBRATION AND REPAIR SERVICES Extech offers complete repair and calibration services for all of the products we sell For periodic calibration NIST certification or repair of
3. ating Instructions Explanation of LCD Displays GROSS WEIGHT Total weight on the scale platform displayed in lbs or kgs NET WEIGHT Net weight is displayed when the Tare function is used QUANTITY LCD indicates the number of pieces on the Scale platform Explanation of LCD Down Arrow indicators 0 Appears when the Scale is zeroed NET Appears when the weight display is NET used with TARE function only PCS Appears when the display indicates the number of pieces on the platform LB and KG Appear above Ib or kg depending upon which unit of measure is selected LOBATT Appears when the internal battery requires recharging Explanation of Programming Keys ON TARE Press to power the Scale from a power OFF state If the Scale is already powered pressing the TARE key enters the gross weight on the Scale as the TARE weight OFF Press to power the Scale down UNITS Toggle Ib and kg weighing units by pressing this key FUNC Press to toggle between Total Pieces display and Total Weight display SMPL Used for piece counting After 10 20 50 or 100 samples are placed on platform press this key to allow the display to automatically cycle through the following numbers 10 20 50 and 100 Press the SMPL key firmly when the number on the display matches the number of sample pieces on the platform Now when any number of pieces are placed on the platform the Scale will display an accurate count and an accurate weight use
4. dapter recharger input rear of display PAPA SS Preparation 1 2 Place the scale on a firm stable tabletop before use Level the scale by adjusting the scale legs Do not expose the scale to high wind fluctuating temperature humidity vibration or direct sunlight Avoid dust sand and other particulates when using the scale Adjust the display arm by loosening the two allen screws using supplied allen wrench and then positioning the arm to be at a 90 angle from the scale platform Tighten screws The scale is powered by an internal rechargeable battery The supplied AC adapter is used for recharging When the LOBATT display arrow appears connect the AC adapter recharger to the scale then plug the adapter into a 110V 50 60Hz receptacle to begin charging the battery When the LoBatt indicator arrow turns off the battery is fully charged The scale can be used while charging To optimize the accuracy of the scale s readings warm up the scale for 30 minutes Do not leave weight on the scale while it is warming up Connect the AC Adapter to the Scale and to an AC receptacle 110VAC 50 60Hz to warm up the scale since the Auto Power OFF feature will automatically power the scale down after 5 10 20 or 30 minutes of non use programmable Auto Power OFF can be defeated refer to the section entitled Auto Power OFF Configuration later in this manual for instructions on configuring the Auto Power OFF feature Oper
5. t are placed on the platform the LCD will display accurate Piece Count Auto Power OFF Configuration The Scale is equipped with an Auto Power OFF feature that powers the meter down after a specified period of time To defeat or otherwise configure this feature follow these steps 1 With the meter power off press and hold any key while powering the unit 2 Release the key once the Scale powers up 3 Press the FUNC key The display will show PO 0 1 2 3 or 4 depending upon present setup 4 Press the FUNC key until the desire value scrolls up on the LCD Use the Table below to select the desired action 6 Press the SMPL key to store the entry into non volatile memory al Program Step Action PO 0 Auto Power OFF is defeated PO 1 Auto Power OFF after 5 mins PO 2 Auto Power OFF after 10 mins PO 3 Auto Power OFF after 20 mins PO 4 Auto Power OFF after 30 mins Maintenance Battery Recharging When the low battery down arrow indicator appears above the word LoBatt connect the AC Adapter Recharger to the Scale behind the LCD display Then plug into a 117VAC 50 60Hz outlet to begin charging When the battery is fully charged the down arrow indicator above the word LOBATT disappears Notes
6. the FUNC key to toggle between weight and count Tare Operation Tare allows you to weigh samples with the samples still in a container The container weight becomes the tare weight and is subtracted from each reading so that only the product sample weight is displayed 1 Place the container on the platform 2 Press the TARE key and the display will read zero 3 Remove the container from the platform The display will indicate a negative reading The reading will be negative in the amount of the TARE weight 4 When objects are weighed the reading will be the total weight minus the TARE value The NET down arrow indicator will appear informing the user that a Tare weight is in memory 5 To remove the previous Tare value from memory remove all weight from the Scale platform and press the TARE key so that the NET indicator turns off and the display returns to zero Sample Piece Counting The scale allows the user to place a known number of samples on the platform and have the scale display Piece Count or Total Piece Weight 1 Place 10 20 50 or 100 sample pieces on the Scale platform The total weight will display in lbs or kg as selected using the UNITS key 2 Press the SMPL key to permit the Scale to begin scrolling the numbers 10 20 50 and 100 on the display Set the number of sample pieces by pressing the SMPL key firmly when the number of samples matches the display 3 Now when any number of pieces of the same weigh
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