50/0.001g High-precision Electronic Gigital Carat Scale Laboratory Lipstick Diamond Jewelry Scales

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Descriptions:

Range:0.003~ 50G
Accuracy:0.001G

Dimensions: 144X84.5X51MM

LCD liquid crystal display (blue backlight) size: 375X15.5MM

Battery: 2X"AAA"(not included)

Low battery alarm "LO"

Weighing pan size: diameter 32MM (with stainless steel weighing disc)

 

Function buttons and instructions for use

 

1.ON/OFF (switch key)

Install the 2 AAA batteries into the cover battery door in the direction specified by the battery compartment. Place the scale body on a stable tabletop, keep the level bubble in the center of the black circle, press this button to display “88888” and turn it back to zero when the power is turned off. At this time, the loaded item can be weighed on the weighing pan, weighing state. Press this button to turn off the phone. Weigh the environment. If there is wind, please put down the windshield measurement.

 

2. UNIT (unit conversion key)

Press this button to select different weighing units: G, OZ, GN, CT, T, OZT,

Press and hold the unit conversion button for 4 seconds to light all the units, the OZ unit will flash, press the tare button PCS to select to hide or display, and press the unit conversion button to shift another unit. (This function is reserved for the customer to select the practical unit. Choose.) Exit long press for 4 seconds to return to normal mode, G units can not be hidden.

 

3.TARE

Press this button to force zero to zero when the power is turned on.

 

4. PCS (counting function)

  After turning on the machine, the number of points is 25 or 50, 75, 100. Any sample value is placed on the weighing pan. At this time, the LCD will display a default value (such as P 25) by pressing the counting button. Press the key to select (25, 50.75, 100) the value of the sample value of the number of points, and then press the count key to confirm. At this time, the LCD displays the value of the PCS + sample value (such as 50). At this time, the item to be counted can be loaded on the weighing pan. .

 

 

Calibration function

 

0.00 is displayed when the power is turned on, and 0-(zero point) is displayed after pressing the power button for 4 seconds. After waiting for 1 second, the weight value to be calibrated is displayed. The maximum weighing of the scale is 30G (displaying 30.000 flashing). Load the 30G weight on the weighing pan, display PASS after stabilization, and the calibration is completed. (This product is delivered randomly with 20g weight, reduced by unit count key to 20.000, loaded with 20G weight to display PASS and calibration completed.) When the calibration weight value flashes, press the unit conversion key to add value, press the count key to decrease value, according to 10G amplitude addition and subtraction can choose the appropriate weight value to calibrate 10G-30G, and remember the last set calibration value after shutdown.

 

Automatic shutdown time setting

 

Press and hold the 4 seconds ON/OFF button to turn off the 88888 button until the display F1-1 press the UNIT unit button to select the value of 0-5 respectively. 0=Do not shut down 1-5 respectively, indicating that there is no operation state 1 to 5 Divided into automatic shutdown time. Choose the right shutdown time according to your needs to save battery life. After the selection is completed, press the power button to return to zero to weigh.

 

Package Includes:

1 x Digital Scale

1 x 20G Weight

1 x Tweezers

1 x Stainless Steel Weighing Disc

Stirling Engine Model Motor Gift Science Physical Laboratory Toy

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Description:
Size: 15.5*8*9cm(L*W*H)
Colour: Silver

Operation Procedure:
1.Fire the alcohol lamp, preheat the tube approx 50-60s;
2.Take off the rubber belt which connected between big wheel and electric generator;
3.Turn the big wheel by hand, let the machinerun a while;
4.Saaembly the rubber belt;
5.Turn the big wheel by hand, machine and electric generator working, LED Lighting.

Note:
1. Using alcohol with purity≥95%.
2.Don't touch the glass when using.
3.Be careful the alcohol spitting out, is was very dangerous.
4.Using a cap to suffocate the alcohol lamp, never blown by mouth or spit water to douse.
5.If the alcohol spitting out and was fired, don't be panic, use a wet rag to cover the fire.

Package Included:
1* Stirling Engine
1* English Manual

Stirling Engine Model Kit Laboratory Experiment Developmental Toy

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Description:

Top/bottom cover + bracket Material:good quality carbon steel + nickel

Large cylinder material:PC plastics

Bushing material:brass

Cylinder material:glass

Gas distribution piston material:PVC foam
 

Feature:

1.High speed and long time running without wear and tear.

2.Easy flammable, powerful, high performance.

3.The bracket and flywheel are made of the finest materials, which make the machine a perfect combination of strength and beauty.

4.LED light directly demonstrates the process of converting thermal energy into electrical energy.

 

Instructions:

-The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil and dust, and if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.

-The packing bag of alcohol lamp cotton wear into the metal cap lamp.

-Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.

-Alcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 2 minutes after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.

 

Note:

-There will be the operation of steam,when steam too much time, the engine will stop working,

inside and outside the needle often set aside to reduce friction

-Do not rotate the nut too tightly, otherwise the glass is broken, if the piston is cracked,

can be bonded with glue.

-The alcohol lamp wick do not touch the glass, do not get too tight ring

-Pulling the piston connecting rod can not force the front end, because the front

end is easy to break

 

Package Included:

1 kit of Stirling Engine Model