Hongda USA DT95B Instruction Manual

OPERATOR'S INSTRUCTION MANUAL
MINI 3 1/2 DIGITAL MULTIMETER DT95B
1. INTERNATIONAL SYMBOLS
AC
DC
Diode
Continuity
Ground
Double Insulation
Warning
2. Feature
Display: 3 1/2 digit LCD. Largest number 1999
Polarity: Automatic polarity display
Outrange: Upper most display"1"
Working Ambient Temperature: 0-40
Relative Moisture: ＜ 7 5%
Storaging Ambient Temperature: -15-50
Battery: 12V(A23M)
Dimensions: 100*59*22(mm)
Weight: 80g(with battery)
3. Technical Specifications
Requirements for accurate performance guarantee of the instrument:
Temperature 23 ± 5 0
＜
Moisture 7 5%Rh
Accuracy: (% reading + word number)
3.1 DC Voltage
Range Resolution Accuracy
200mV 100µV
2000mV 1mV
20V 10mV 0 .8%+2
± （
200V 100mV
400V 1V
Input impedance: 1M
Max input voltage: 400V DC or effective value AC
3.2 DC Current
Range Resolution Accuracy
2000µA 1µA
1 %+2
± （
20mA 10µA
200mA 100µA
1 .2%+2
± （
Overload protection: fast 0.2A/250V fuse
3.3 AC Voltage
Range Resolution Accuracy
200V 100mV
1 .5%+10
± （
400V 1V
Frequency Response: 40-200Hz
Max input voltage: 400V effective value AC
Displayed: Sine wave effective value, average value response
3.4 Resistance
Range Resolution Accuracy
200 0.1
1 .0%+2
± （
2000 1
20K 10
）
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）
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