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National Instruments 781293-01 Shielded Single-Ended Cable .

The part number 781293-01 from National Instruments is the identifying part number for the SHC68-C68-D4 Shielded Single-Ended Cable. This cable is fitted with a 68 pin male VHDCI connector on both ends that accommodates up to 40 single ended channels. This kind of configuration guarantees reliable data transmission which is crucial in high speed digital devices. This shielding protects against electromagnetic interference and therefore makes it suitable for measurements that are sensitive.

The 781293-01 has a characteristic impedance of 50 ohms ±10% over its entire length, maintaining signal integrity as desired. Available lengths are 0.55 meters, 1 meter, and 2 meters, the latter having a special variant with low leakage of one meter only, an ideal specification applicable for applications where electrical leakage must be minimized. The maximum voltage it can bear is up to +30 Volt DC minimizing power loses over medium distances. Propagation delay and channel-to-channel skew have been kept at minimum levels ensuring accurate timing synchronization through all channels.

The cable has been designed with physical characteristics such as wire gauge (0.032 mm²/32AWG) and stranded wires using 7/0.08 mm (7/40) method in order to enhance flexibility, better performance at high frequencies and resistance to metal fatigue. with this, it makes this cable applicable for indoor and outdoor uses. The weight of the cables depends on their lengths hence, while the former weighs approximately 175 grams weighing approximately 175 grams while the other measures about 435 grams. This variability is important where the cable's physical handling and routing are critical. 

As far as safety is concerned, this product follows strict security requirements like IEC61010-1 which makes this model safe and protected against electric shock, mechanical hazards, and fire. The EN61010-1 safety standard ensures its use according to the European regulations while the UL61010-1 standard meets the international criteria for electrical equipment used in measuring instruments, controls, and laboratories. And the (CSA) 61010-1 standard complies with the IEC61010-1 standard that again makes sure that the product is safe with uses in controlled environments like laboratories.