The MB311 Single-pan balance is of unequal arm type with 4 beams.The maximum capacity is 311 grams and the readability is 0.01g .It is made of a high quality aluminium alloy ,the knife is made of a high quality alloy and the bearing plane is of agate ,with a stainless steel weighting pan and includes a buit in platform to aid density determination by weighting samples in air and in water .It is widely used for schools and educational establishments, etc.

Quadruple Beam Balance Scale for Laboratory and Educational Use

MB311 Quadruple Beam Balance Scale

• 311 gram capacity
• 0.01g readability
• 1 centigram accuracy
• Agate bearings for long life
• 3.5” diameter stainless steel pan
• Adjustable recessed platform in base can be raised for specific gravity work

Laboratory Mechanical Quadruple Beam Balance / Physical Balance / Mechanical Balance

Application:
1. The MB311 Single-pan balance is of unequal arm type with 4 beams.
2. The maximum capacity is 311 grams and the readability is 0.01g.
3. It is made of a high quality aluminium alloy, the knife is made of a high quality alloy and the bearing plane is of agate, with a stainless steel weighting pan and includes a buit in platform to aid density determination by weighting samples in air and in water.
4. It is widely used for schools and educational establishments, etc.
5. Adoption of agate knife edge bearing and specially-treated steel knife effectively improve the sensitivity of the balance.
6. Damping device reduces the oscillation frequency during working of the balance, tarring device facilitates weighing of bulk goods, with 210g/610g/310g riders, it facilitates users’ small amount weighing.

Main technical date:
1.Capacity: 311g
2.Sensitivity(g):0.01g
3Beam Calibrations
4.Front beam :1 x 0.01g
2nd beam: 10 x 1g
3rd beam: 100 x 10g
4th beam: 200 x 100g
5.Damping system: magnetic
6.Stainless Steel Weighing Pan: 100mm (4″)diameter
7.Density platform: 75mm (3″)diameter, adjustable height.
8.”2.92 x 3.15″ (7.42 x 8.01cm) heavy aluminum-look adhesive label on balance
9.Overall size (W x H x D): 370 x 300 x 137mm (14.5″ x 11.8″ x 5.4″).

A quadruple-beam balance is a handy laboratory tool to have when you need to weigh small items to a hundredth-gram precision. The beams are horizontal metal rails that hold sliding counterweights, starting with 100 grams and going down to a tenth-gram. The first beam is furthest back from the user; it holds the 100-gram mass, the second is closer, having the 10-gram, and so on. The tenth-gram beam is marked in .01-gram increments. An adjustable weighted screw on the left lets you precisely zero the scale. On the right is a tilting indicator. It’s vertically centered when the scale’s in balance, otherwise it’s over-or under-balanced.

Pen with Built in Element Chart is a fantastic ballpoint pen combine with a pull out 4 color offset printed chemical element chart printed on both sides sized up to 168*68 MM. By default the barrel will be transparent, thus students can see those pens have a periodic table of elements build-in, thus, can’t help themselves to pull the element chart out to check As Pen with Built in Element Chart are made of high quality materials, and have smooth and comfortable handwriting, which make that also perfect for teacher and scientific workers to distinguish their daily pens form common just ballpoint pens.

If your institute or organization want to promote yourself to attract more young people, order a batch of customized Pens with Built in Element Chart will definitely distinguish yourselves from common giveaways. There are normally two ways to customized your own Pen with Built in Element Chart:  by sending us your customized periodic table chart artwork. ( See artwork design instructions). Or put your company logo above the standard periodic table of elements chart. And of course we can also put a logo on barrel.

Waterproof Pouch Dry Bag Pack Case Cover for Cell Phone Wallet Money

Great for the Beach, Camping, Hiking, Backpacking, and other Outdoor activities!!

Features
1. New generic Universal Waterproof Bag Case for Cell Phone / Wallet / Money / Cameras / Passports etc. 
2. Textured pouch for grip.
3. Waterproof cover protects, dust, sand, snow, water, and wind resistant.
4. The waterproof cover allows you to comfortably operate the machines function.
5. Waterproof cover on the back of a transparent design, easy to use your camera functions
6. 55 inch Lanyard
7. Dimensions:10.5 X 17CM; 9.5 X 16CM; 23 X 29cm;  , etc; Custom size also workable.
8. Material: Clear PVA Material
9. Custom logo imprint are workable.
10.Color: BLUE/YELLOW/ORANGE/RED/BLACK, ETC; Custom printing workable

Find more size and different styles of waterproof dry pouch bag for cell phone and PDA IPD

Custom logo print on bags are workable. Contact us for more information.

Almost everyone have a smart phone, such as iphone or Android phone, and people carry them whatever they go, even going outdoor or spending their time on beaches. Those touch screen smart phone are quiet venerable to water. But people want to carry with then when they are near or even in water. How? With Halsun waterproof phone pouches, you can carry your expensive touch screen iphone ipad, Android phone with you when you play at beach!  Halsun waterproof phone pouches are inexpensive, thus make them great promotional gifts for companies want to promote their business. They are perfect giveaway gifts with your custom logo imprinted.

Here’s a video to demonstrate how the marketing banner pens works:

Magnifier Pens with magnet are ideal promotional items with your logo on clip, and can attach to refrigerator. It’s very cool to read data sheet like lines of lines of data and numerical report, even you have really good eyesight, it can be hard to distinguish a specific line. But with the help of the magnifier barrel pen, align and distinguish a specific line of data is easy. For family, normally credit cards bills. For office, data sheet with tones of lines. Those situations, you definitely need a magnifier barrel pen to help you. Make sure your company logo also appears when people need them. The impression can be much strong than common promotional gifts.

• Material: ABS+Acrylic (magnifier part)
• Include a fine ballpoint pen, acrylic magnifier and  3 inch ruler.
• With a magnet on the back of cap to attached to refrigerator or any iron surface
• Size: L 15.5cm, W: 1.3cm;
• Imprint position: clip
• Refill: normal refill
• Barrel colors: Blue, Black,White, Red, Purple, Green, Blue, Orange, Yellow and more.
• Ink colors: Blue or Black
• Oone Color logo / Message printed on clip. (Max to 4 color logo with an extra cost)
• Minimum Order Quantity – 500.
• Packing: 1pc/opp, 50pcs/inner box, 1000pcs/ctn

3 in 1 Acrylic Magnifying Pen and Ruler is normally used as customized promotional gifts with your custom logo imprinted on clip. This 3 in 1  3 in 1 Acrylic Magnifying Pen and Ruler simply combine a ballpoint pen, an acrylic magnifier and a 3 inch ruler.