Hongda USA DT95B, Instruction Manual

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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:
＜
75%
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
±
50
Moisture
＜
75%Rh
Accuracy:  (% r word number)
3.1 DC Voltage
Range Resolution Accuracy
200mV 100 µ V
2000mV 1mV
20V 10mV
200V 100mV
400V 1V
±（
0.8%+2
）
Input impedance: 1M Ω
Max input voltage: 400V DC or effective value AC
3.2 DC Current
Range Resolution Accuracy
2000 µ A 1 µ A
20mA 10
µ
A
±（
1%+2
）
200mA 100 µ A
±（
1.2%+2
）
Overload protection: fast 0.2A/250V fuse
3.3 AC Voltage
Range Resolution Accuracy
200V 100mV
400V 1V
±（
1.5%+10
）
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 Ω 0.1 Ω
2000 Ω 1 Ω
20K Ω 10 Ω
±（
1.0%+2
）