frank - Hertz experimental device used to verify Bohr atomic level theory.can directly observe in the oscilloscope screen . This instrument adopts the argon gas filling pipe as F - H pipe, can do experiment in the normal temperature,  do not need to heating and heat...

Millikan oil drop apparatus Milikan oil drop apparatus ...

The device includes measurement bay and length-measured telescope   YOUNG'S MODULES DETERMINING DEVINCE ...

1 .Manual color fastness friction apparatus 2. AATCC and can be dry, wet friction, scrub and test function ApplicationRange of application: this instrument is suitable for textiles, garment, leather, electrochemical metal plate, printing industries for rating color fastness...

Configuration: D65, TL84 / U30, INCA, HOR, UV, CWF six kinds of light sources Weight: 70 kg Volume (wide x deep x high) : 942 SpecificationsOptional accessories: can choose and buy accessories: equipped with light source diffusion plate1.Application: used in textile, printing...

1. oscilloscope accessories probe 2. competitive price 3.minum qty:100 pcs   Detailed Product Description1. oscilloscope accessories probe 2. competitive price 3.minum qty:100 pcs .   BNC-BNCstraight-through cable  Description: Manufacturer,...

safety test purpose UL1439D UL sharp edges tester test head Used for testing electric equipment products, including computer, household appliances electronic equipment and other products, can reach the position whether there is harm to the safety of users edged edge, the safety...

AATCC electronic crockmeter Electric friction fastness tester to test the fabric dry/wet rubbing fastness, suitable for recurrent or long cycle test is equipped with electronic preset counter (meter 9999 times friction)Technical indicators:Friction head diameter: 16 mmVertical...

Standard AATCC 116 Contains AATCC rotary friction fastness tester AATCC rotating friction meter color fastness tester to test fabric especially printed fabric dry/wet rubbing fastness, 16 mm diameter friction head. It can provide 1134 grams of pressure, clockwise friction 1.125...

Used for testing the toys or items edges if there is no reasonable injury risk sharp edges 1. accessories : 1 set of  sharp edges tester , 1 set of pedal switch , power supply, charger, and 1 book of operation instruction2.  sharp edges test gummed...