TABLE OF CONTENTS Safety Precautions Preparations and Set Up Features Specifications Power Supply Displays Display and Key Descriptions Operating Instructions 7-98 Calibration 9-10 Scale Parameter Settings Troubleshooting Contact Us...
SAFETY PRECAUTIONS For safe operation of the weighing scale, please follow these instructions: ● Calibration inspection and maintenance of the scale are prohibited by non-professional staff ● Please ensure that the scale hangs securely ● The scale is a piece of static sensitive equipment; Please cut off power during electrical connections ●...
FEATURES ● LED or LCD display option ● Multiple weighing units: kg/lb ● Gross/Tare/Hold/Zero ● Economical, light weight and hand held general purpose crane scale ● Features and easy to red backlit LCD or ultra bright LED display ● Powered using a rechargeable batter pack (up to 80 hours) and AC adapter ●...
POWER SUPPLY AC Adapter The scale is powered by an adapter, plug the adapter directly into the “DC” pin located at the back of the scale. We recommend to plug into a wall outlet to avoid interference with other wirings. A 110-220V AC adapter should be provided with your scale.
DISPLAY AND KEY DESCRIPTION ON/OFF Powers the Scale On or Off if held for 2 seconds ZERO Zero’s the scale TARE 1. Resets the scale to zero when there is something on the scale 2. Clears the tare to see the gross weight HOLD Holds the weight Enters 2nd Mode...
OPERATING INSTRUCTIONS Power On/Off ● Turn on the power by pressing the power button for 2 seconds. Once on, the scale will flash the voltage and then begin to auto-check and count down from 0-9 sequentially before entering the weighing mode Note: Anything on the scale before powering on will automatically be tared out.
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Hold Manual Hold: Grabs the current weight and holds it so it will not change/fluctuate. ● While weighing, press the Hold key and the scale will hold the current weight on the screen until HOLD is pressed again Accumulation ● The accumulation function is used to add multiple weights and total them together ●...
OP-924 CALIBRATION PROCEDURE Power on the crane scale Press 2nd key and the display should show [2nd ] Press 2nd key again and the display should show [PASS-] then [00000] Use the arrow keys to enter the password “07650” Press the HOLD key to confirm A password error above will make the scale return to weighing mode, while a correct password will let the user continue to set units, limits and perform calibration...
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TC94 GRAVITATIONAL ACCELERATION FACTOR CORRECTION During calibration, when the display shows [CALon], press TARE to enter into gravitational acceleration factor correction It defaults to 1.0000 and controls the relationship to the weight in direct proportion Use the arrow keys to modify the parameters then press HOLD to confirm The display should now show [EnD ], press HOLD to confirm...
SCALE PARAMETER SETTINGS To enter calibration/parameter settings, follow the procedure below: Power on the crane scale HOLD Press the key and the key at the same time the display should show [2nd] HOLD key to confirm and enter into the next step Press the Use the arrow keys to change the parameter settings...
Clear all the accumulation data Save the display value data StorE LASt0 Check the weight serial number CONTACT US Please e-mail sales@tufner.com for any sales related questions. Please e-mail support@tufner.com for any support related questions. Don’t forget to visit our website at: tufner.com...
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