YF-78

YF-78   LCR Multimeter

 To measure DC voltage, AC voltage, DC current, AC current, resistance, frequency (auto Ranging), diode, Continuity test, inductiance, capacitance, transistor (hFE) value.
 

Application

Easy for holding according to the best design to fit human body engineering, with the optimum inclined view angle

 
 
 
 

Features

  • Core magnet movement:
  • Avoids interruption of external magnetic field.
  • Double protection device:
  • Diode to protect movement，fuse to protect parts of circuit board.
  • Handy stand attached，with wide visual for easy readout.
  • With DC 12A measuring range.
 
 

Specifications

  • Display unit: 3½digits LCD, with a maximum reading of 1999, units. decimal point and symbol display.

  • Polarity Indication: when negative value input, automatic display the symbol "-".

  • Zero reset adjustment: automatic zero reset.

  • Overload indication:LCD will show a "OL".

  • Low battery indication: automatic low power test, when  battery voltage is lower than work voltage, "BAT" will be shown and you should be ready to replace a new battery.

  • Sampling rate: 2.5 times/sec.

Electrical specification: (23°C+/-5°C, below 80%RH)
DCV
Rnge
Resolution
Accuracy
Input impedance
Overload Protection
200mV
100μV
±(0.5%+1)
10MΩ
DC 1000V
AC 750V rms
2V
1mV
±(0.5%+3)
20V
10mV
200V
100mV
1000V
1V

ACV
Range Resolution Accuracy
40Hz~500Hz		 Input impedance Overload Protection
200mV 100μV ±(1.2%+4) 10MΩ DC 1000V
AC 750V rms
2V 1mV
20V 10mV
200V 100mV
750V 1V ±(1.5%+4)
 

DCA
Range
Resolution
Accuracy
Voltage Burden
Overload
Protection
200μA
100nA
±(1.2%+2)
 <0.7V 
0.5A/250V
fuse
2mA
1μA
20mA
10μA
200mA
100μA
10A
10mA
±(2.5%+2)
<0.3V
10A/250V fuse

ACA
Range
Resolution
Accuracy
40Hz~500Hz
Voltage Burden
Overload Protection
200μA
100nA
±(1.5%+3)
 <0.7V
0.5A/250V fuse
20mA
10μA
200mA
100μA
10A
10mA
±(2.5%+3)
<0.3V
10A/600V fuse

Frequency Test (Auto Ranging)
Range Resolution Accuracy Max.sensitivity Overload 
Protection
2KHz 1Hz ±(0.8%+3)  Lo:500mVrms
 10K-1MHz 
 5Vrms
 1MHz-20MHz
 Hi:2Vrms 
 10-100KHz		 DC/AC 350Vrms
20KHz 10Hz
200KHz 100Hz
2MHz 1KHz
20MHz 10KHz
 

Diode Test
Range
Resolution
Measuring 
Voltage
Measuring
Current
Overload Protection
/
1mV
3.3Vmax
0.7mA
DC/AC 500V rms

Transistor (HFE) Test:
Range
Measurement
Range
Measuring 
Voltage
Measuring Current 
Overload
Protection
NPN PNP
0～1000
<3.2V
IB ≒0.7mA
 ───── 

Continuity Test:
Range
Resolution
Sound level Voltage
open-circuit
Protection
Overload Protection
/
0.1Ω
75Ω below
MAX 3.3V
DC/AC 500V rms

Resistance Test
Range Resolution  Accuracy Open-circuit
Votlage		 Overload
Protection 
200Ω 0.1Ω ±(1.2％+4) MAX 3.3V DC/AC
500V rms
2KΩ 1Ω ±(1.0％+2) >0.3V
20KΩ 10Ω
200KΩ 100Ω
2MΩ 1KΩ
20MΩ 10KΩ  ±(2％+5) 

Capacitance Test
Range 
Resolution
Accuracy
Measuring 
Frequency
Overload
Protection
 2nF 
1pF
±(5％+10)
≒200Hz/1.5sec 
0.5A/250V fuse
20nF
10pF
2μF 
1nF
20μF 
10nF
2000μF
1μF
≒2Hz/8sec

Inductance Test
Range
Resolution
Accuracy
Open-circuit 
Voltage
Overload
Protection
2mH
1μ
±(5％+10)
≒1000Hz
0.5A/250V Fuse
20mH
10μ
200mH
100μ
≒200HZ
2H
1mH
20H
10mH




 


 

Accessories

 

Download

File name
Version
Format
Download
User’s Manual
YF-78
PDF
Dowload

 

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