ZFT8 Max 150V 150A High Precision Curve Digital Multimeter for RC Helicopter Model <br /><br />Description:<br />Item name:ZFT8 Max 150V 150A High Precision Curve Digital Multimeter for RC Helicopter Model<br />Compatible with: RC model, DC Volt Meter, DC watt hour measurement<br />Testing range:<br /><br /> Voltage range: 0 - 150V<br /><br /> Internal current range: 0 - &amp;plusmn;150A<br /><br /> External current range: 0 - &amp;plusmn;220A<br /> Package Weight: 130g<br /> Package Size: 10cm x 8cm x 4cm (3.94in x 3.15in x 1.57in)<br />  <br />Specifications<br /><br /> 1.Two power supply modes<br /><br /> &amp;lt;1&amp;gt;Connect the input wires(red and black) to the power supply. The voltage must be greater than 4.5V (test range:4.5V-150V) .<br /><br /> &amp;lt;2&amp;gt;Supply power by USB (test range:0-150V)<br /><br /> &amp;lt;3&amp;gt;When supplier by two way simultaneously, it can switch automatically to the high voltage one.<br /><br />  <br /><br /> 2.Bi-direction curent testing <br /><br /> &amp;lt;1&amp;gt; When current run from the input port(red and black wires),the current display positive<br /><br /> &amp;lt;2&amp;gt; When current run from the output port(red and black wires),the current display negative<br /><br /> &amp;lt;3&amp;gt;Hall current can show voltage according to the direction of the current and display positive and negative simultaneously.<br /><br />  <br /><br /> 3.Curve save display<br /><br /> &amp;lt;1&amp;gt;The digital multimeter can save the data of voltage, current,power when you pess &amp;quot;Save&amp;quot; and you can see the curve on the interface of curve diplay.<br /><br /> &amp;lt;2&amp;gt;The interfce of data display would show the time when you save the data.<br /><br /> &amp;lt;3&amp;gt;You can swicth from voltage curve, current curve and power curve which can show on the interface of curve display.<br /><br />  <br /><br /> 4.Temparature Testing<br /><br /> &amp;lt;1&amp;gt;The digital multimeter will show internal temparature when it do not connect to the temparature senor. <br /><br /> &amp;lt;2&amp;gt;Otherwise, when it connect to the temparature senor it would show exteral temparature.<br /><br />5.Parameter<br /><br /><br /> <br />  <br />   <br />               Max input<br />                 voltage<br />   <br />       Max. 150.0V<br />   <br />        Max error of external<br />            temparature<br />   <br />      5V hour&amp;plusmn;0.03V<br />  <br />  <br />   <br />             Max internal  <br />           input current<br />   <br />       Max. &amp;plusmn;150.0A   <br />   <br />        Mix display current<br />   <br />      TYP.(-20\u2103--120\u2103)&amp;plusmn;1\u2103<br />  <br />  <br />   <br />              Max external<br />             input current<br />   <br />      Max. &amp;plusmn;200.0A <br />   <br />       Quiescent dissipation<br />           (without Hall)<br />   <br />      MAX.15mA<br />  <br />  <br />   <br />          Resolution of the<br />           voltage display<br />   <br />      TYP. 0.01V<br />   <br />             Mix operating<br />       voltage  without Hall<br />   <br />      TYP. 4.5V<br />  <br />  <br />   <br />          Resolution of the<br />           current display<br />   <br />      TYP. 0.01A<br />   <br />         Mix operating voltage<br />               start Hall<br />   <br />      TYP. 7.5V<br />  <br />  <br />   <br />           Resolution of the<br />            power display<br />   <br />      TYP. 0.1W<br />   <br />        Display refresher rate<br />   <br />      TYP. 0.5S<br />  <br />  <br />   <br />          Resolution of the