Mô tả sản phẩm: APECH AM-903
1. General DescriptionAM-900/901/902/904 is a digital multimeter equipped with backlight function (except AM-904) and overiload protection circuit. AM-900, AM-901 and AM-904 has LCD display of 3 ½ digits(2000 counts) while AM-902 has LCD display of 3 ¾ digits (4000 counts). The multeimeter performs AC/DC Voltage, DC Current, Resistance, Audible Continuity, Diode, Transistor detecting, etc.
AM-903 is a digital capacitance meter with 3 ½ digits(2000 counts) LCD backlight display. Made with dual slope integrating converter, AM-903 ranges from 200pF to 20 mF .
2. General Characteristics
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AM-900 |
AM-901 |
AM-902 |
AM-903 |
AM-904 |
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Display |
LCD 2000 counts |
LCD 4000 counts |
LCD 2000 counts |
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Low Battery Indication |
displayed |
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Polarity Indication |
“- ”displayed automatically |
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Operation Temperature |
0˚C ~ 40˚C |
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Storage Temperature |
-10˚C ~ 50˚C |
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Battery Type |
9V Or 6F22 x 1PC |
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Fuse |
0.2A |
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Dimension(HXWXD) |
147x70x35mm |
133x70x30mm |
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Weight |
Approx .150g |
Approx . 115g |
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Accessories |
Operations Manual, Battery,Test Leads,Temperature Probe(only AM-901) |
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Backlight |
Push for 5 seconds |
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Data Hold |
“DH” displayed |
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Self-recovery Protection |
ü |
ü |
ü |
ü |
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3. Technical Specification
1.DC Voltage (only AM-900/901/904)
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Range |
Resolution |
Accuracy |
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AM-901 |
AM-900 |
AM-904 |
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200 mV |
0.1 mV |
±(0.5% + 5) |
±(0.8% + 10) |
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2V |
1mV |
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20V |
10mV |
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200V |
100mV |
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600V |
1V |
±(0.8% + 5) |
±(1% + 10) |
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Range |
Resolution |
Accuracy |
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AM-902 |
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400mV |
0.1mV |
±(0.8% + 5) |
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4V |
1mV |
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40V |
10mV |
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400V |
100mV |
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600V |
1mV |
±(1% + 2) |
Input Impedance:1MΩ
Overload Protection: 250V for range 200mV, 600V for other ranges
2.AC Voltage (only AM-900/901/904)
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Range |
Resolution |
Accuracy |
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AM-901 |
AM-900 |
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200mV |
0.1mV |
±(1.2% + 10) |
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2V |
1mV |
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Range |
Resolution |
Accuracy |
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AM-904 |
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200V |
100mV |
±(1.5% + 10) |
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600V |
1V |
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Range |
Resolution |
Accuracy |
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AM-902 |
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4V |
1mV |
±(1.2% + 5) |
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40V |
10mV |
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400V |
100mV |
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600V |
1V |
±(1.5% + 5) |
Frequency: 40HZ-400HZ
3.DC Current (only AM-900/901/904)
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Range |
Resolution |
Accuracy |
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AM-901 |
AM-900 |
AM-904 |
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200uA |
100nA |
±(1% + 2) |
±(1.2% + 5) |
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2mA |
1uA |
±(3% + 2) |
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20mA |
10uA |
±(1.2% + 5) |
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200mA |
100uA |
±(1.6% + 2) |
±(1.5% + 5) |
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10A |
10mA |
±(3% + 2) |
±(3% + 10) |
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Range |
Resolution |
Accuracy |
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AM-902 |
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40mA |
10uA |
±(1% + 2) |
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200mA |
100uA |
±(1.5% + 2) |
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4A |
1mA |
±(1.8% +2) |
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10A |
10mA |
±(3% + 2) |
Overload Protection:0.2 A self- recovery fuse
4.Resistance (only AM -900/901/904)
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Range |
Resolution |
Accuracy |
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AM-901 |
AM-900 |
AM-904 |
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200Ω |
0.1Ω |
±(0.8% + 3) |
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±(1.2% + 5) |
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2KΩ |
1Ω |
±(0.8% + 2) |
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±(1.2% + 5) |
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20KΩ |
10Ω |
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200KΩ |
100Ω |
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2MΩ |
1KΩ |
±(1% + 3) |
±(1.5% + 5) |
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Range |
Resolution |
Accuracy |
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AM-902 |
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40mA |
10uA |
±(1.3%+2) |
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200mA |
100uA |
±(1.8%+2) |
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4A |
1mA |
±(2%+3) |
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10A |
10mA |
±(3%+5) |
Overload Protection: 220V
5.Temperature (only AM-901)
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Range |
Resolution |
Accuracy |
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AM-902 |
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-30~400oC |
1 oC |
±(1.2%+4) |
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401~1000 oC |
1 oC |
±(1.9%+15) |
6.Capacitance (only AM-902/903)
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Range |
Resolution |
Accuracy |
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AM-902 |
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50nF |
0.01 nF |
±(3%+5) |
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500 nF |
0.1 nF |
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50uF |
1 nF |
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50uF |
10 nF |
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500uF |
100 nF |
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Range |
Resolution |
Accuracy |
Test Frequency |
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AM-903 |
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200pF |
0.1pF |
±(0.6%+2) |
800HZ |
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2nF |
1pF |
±(0.6%+2) |
800HZ |
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20nF |
10pF |
±(0.6%+2) |
800HZ |
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200nF |
100pF |
±(0.6%+2) |
800HZ |
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2uF |
1nF |
±(0.6%+2) |
800HZ |
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20uF |
10nF |
±(0.6%+2) |
80HZ |
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200uF |
100nF |
±(0.6%+2) |
8HZ |
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2mF |
1uF |
±(1.2%+2) |
8HZ |
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20mF |
10uF |
±(2.5%+3) |
8HZ |
7.hFE(only AM-900/901/904)
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Range |
Instruction |
Condition |
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hFE |
NPN or PNP ,0-1000 |
Base current 10uA |
8. Diode and Audible Continuity (only AM-900/901/904)
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Range |
Instruction |
Condition |
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Diode |
Show forward voltage |
Forward Current 1mA Forward Current 0.5mA(AM-904) |
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Audible Continuity |
<50Ω, buzz |
OCV 3V OCV 0.5V (AM-904) |
9.Frequency (only AM-902)
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Range |
Resolution |
Accuracy |
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AM-902 |
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40Hz |
0.01Hz |
±(0.5% + 3) |
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400Hz |
0.1Hz |
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4kHz |
1Hz |
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40kHz |
10Hz |
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400kHz |
100Hz |
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4MHz |
1kHz |
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20MHz |
10kHz |
