Standard Outfit

1 drop dispensing unit, adjustable in height , easy to dismantle , container cylinder of acrylic glass , jet nipple (Ф1,0mm), adjustable valve needle with electromagnet,

1 timer for the electromagnetic valve for an impulse every 30^th second , impulse width adjustable for the calibration of the drop size , with presetable counter for switching off the apparatus , with digital display for the testing time in minutes and seconds,

1 isolating transformer , with variable ratio transformer for setting the testing voltage , output more than 500VA, voltage drop less than 10%,

1 sample desk , precisely adjustable in height by a thumb wheel, with plate of glass,

1 adjustable resistor to limit the current to 1A,

1 current indicating instrument 1,5 A, class 1,5,

1 voltage indicating instrument , class 1,5,

1 excess-current relay 0,5 A, response time 2 s independent of current,

4 keys for operation mode SINGLE DROP, TESTING, OFF and ADJUSTING

Design: housing papyrus white structure varnished, width 505mm, depth 480mm, height 740mm, control unit in 19" rack system, testing cabinet panes easy to replace, with safety switches, with green lamp “ready for operation" and red lamp “danger"， all parts in the testing cabinet made of noncorrosive materials，

Maximum test voltage: ranges or the voltage indicator: Article No.:

600V 300/600V M 31.06

1000V 300/600/800/1000V M31.10

Accessories:

Electrodes, made of platinum, minimum purity 99.9%, with dimensions in accordance with IEC 60112/1979 and DIN IEC 60112 = VDE 0303 Part 1/6.84, grund at each edge with angles of 30o and 60o, easily to change, Article No.: M 31.81

Spare parts: cap nut of PTFE: M 31.96

Plate of glass for the sample desk: M 31.91 cap nut of stainless steel: M 31.97

Jet nipple of PTFE: M 31.92 valve seat of PTFE: M 31.98