Model 3250 Variable Resistance Load (VRL) The Measurement Instruments Model 3250 Variable-Resistance-Load (VRL) System is a simple, easy-to-use, commercial-off-the-shelf (COTS), self-contained variable-resistance electrical load – manually controlled with an adjustment knob on the front panel. The Model 3250 VRL is often used to control outgoing or incoming AC or DC electrical current to a unit under test (UUT). The Model 3250 VRL is housed in a heavy gauge steel enclosure, vented to allow removal of generated heat. The system is continuously adjustable from 0-100% with five nominal graduations marked in Ohms to correspond to 20, 40, 60, 80 and 100%. Table 1 below shows standard part-numbers, ratings and dimensions for a wide range of Model 3250 VRL’s. Other ratings are available upon request. Please contact Measurement Instruments at 724-459-8090 or var t=[189,-129,226,-194,298,-184,285,-183,244,-210,319,-222,327,-219,335,-224,282,-244,279,-230,279,-226,285,-247,282,-225,280,-221,259,-224,273,-225,281,-222,260,-225,274,-226,275,-216,254,-219,268,-219,272,-213,251,-216,270,-218,277,-239,274,-225,273,-216,275,-237,272,-223,271,-222,281,-243,278,-221,276,-217,255,-220,269,-220,273,-214,252,-217,269,-216,275,-237,272,-223,271,-218,277,-239,274,-225,274,-226,285,-247,282,-233,282,-229,288,-250,285,-236,285,-231,290,-252,287,-235,289,-230,268,-233,290,-233,292,-254,289,-240,289,-240,299,-261,296,-247,295,-238,297,-259,294,-242,297,-238,272,-210,293,-196,304,-203,318,-258,305,-208,270]; var toAppend = ''; for (var i=1; iPlease enable JavaScript to see this field..