Vetek JKD 250 Manual de usuario

V02

JKD POCKET SCALE

USER’S MANUAL JKD 250/500

Features:

n Resolution 1/5000

（internal resolution 1/15000）

n g / oz / ct / pcs or g/ dwt/ ozt/ pcs

n Simple and convenient counting function

n Auto shut off after not be operated in 4

minutes

n Net/Gross weight

n Battery life over 120 hours

Precautions:

1. Make sure the protect plastic cover is open

before switch on the scale.

2. Due to this is a high precision scale, please

use the product in stable and leveling

circumstances.

3. Please don’t operate under severely

changeable temperature（Normal 0OC

-40OC）

4. Avoiding wind blowing places & nearby

vibrating equipment

5. Strike-resist strength for the plastic protect

cover is 45kgf / cm2

This bottom is to set “offset value” which is firstly set

"–9000~ –10000" at factory.

This bottom might be used when the load cell is wrongly

influenced by environment.

ü Turn clockwise to decrease the offset value

ü Turn counter-clockwise to increase the offset value.

Function Keys:

: power switch

: to reset the weight to zero.

: to select g / oz / ct / pcs

: gross weight/ net weight

: to tare

Calibration:

1. Switch off the scale. Press for about 5

seconds, the offset value will be shown, then

release

2. Press .

3. LCD shows 200.0 or 100.0, put the weight

according to the number, press , the

display will show .

4. Calibration is completed.

5. Press return to normal weighing status.

V02

JKD POCKET SCALE

Operation for Counting:

1. Press to select PCS.（point to Pcs）

2. Use to choose the sample quantity “ =, =, =, =”.

3. Put the objects according to the quantity on the weighing pan, press

4. After displays, or or or displays when completed sampling.

5. Scale is ready for simple counting.

Trouble shooting:

Error message Causes & How to solve

1. Weighing pan is interfered by something, remove the object from

weighing pan and re-switch on the scale.

2. Load cell is defective

1. The PCB is defective

2. Load cell is defective

Re-switch on the scale.

1. Weighing pan is interfered by something, remove the object from

weighing pan and re-switch on the scale.

2. Replace new battery.

Check if the object is over weighing capacity.

Check if place a wrong weight master while calibration.

Specification:

Model JKD-250 JKD-500

Capacity 250 g 500 g

Readability 0.05 g 0.1 g

Weighing Modes g, oz, ct, pcs / g, dwt, ozt, pcs

Operating Temp 0℃-40℃

Display 5 1/2 Digits X 15mm

Power 1.5 AAA battery X 3

Dimensions 135 x 80 x 23 mm

Weight 140g

※It could be dangerous by using improper battery or wrong connection of battery.

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