releaseit.
5.Frequency(Hz)Button
ThisbuttonisusedtomeasurefrequencyofACAcurrentintheACAfunction.
6.BacklightButton
Pressthis buttonto turn the backlight on. Pressit againtoturn the backlight off.
Thebacklightwill turnitself offautomaticallyin 5minutes.
7.Zero/Relative(Δ)Button
Once this Δbutton is pressed in the ACA function, the current reading shall be
set to zero and be used as a zero reference value for all other subsequent
measurement. The button (ZERO symbol is displayed in the DCA function) is
also used to remove offset value caused by the residual magetism remained in
the corefortheDCAmeasurement.
8.INR(In-RushCurrent)button
Press this button to enter the in-rush current mode in ACA functions. For detailed,
pleaserefer totheIn-RushCurrentMeasurementofthismanual.
9.LPF(LowPassFilter)button
Press this button to enable low pass filter in the ACA functions. Once LPF is
enabled,thecut-off frequency(-3db) issetat1 KHz.
10.LCD
This is a 3 3/4 digit Liquid Crystal Display with maximum indication of 3999.
Function symbols, units, bargraph, sign, decimal points, low battery symbols, and
zerosymbolareincluded.
11.LowBatterySymbol
Whenthissymbolappears,itmeansthebatteryvoltagedropsbelowtheminimum
requiredvoltage.
12.DataHold(H),LPF,andZero/Relative(Δ) Symbols
Once the corresponding function is enabled, the corresponding symbol appears
onLCD.
13.Units(K,Hz,andA)Symbols
Once a function is selected, corresponding current unit (A) or frequency (KHz)
shallbe displayedon LCD.
14.INRsymbol
Once the INR button is pressed, this symbol indicate In-Rush Current
Measurementisenabled.
15. 20segmentsBar-graph
Bar-graph has twenty segments correspond to 4000 counts of reading. It
displays segments proportional to the actual reading. Each segment represent
two hundredcounts.
16.ACandDC symbols
TheACor DCsymbol indicatestheACAorDCAfunctionisselected.
17.AutoPowerOffsymbol
