Manual Range Multimeter
Model:ET-890D
Product Specification:
1. DC Voltage:
|
Range |
Accuracy |
Resolution |
|
200mV |
¡À(0.5%+3d) |
100uV |
|
2V |
1mV |
|
20V |
10mV |
|
200V |
100mV |
|
1000V |
¡À(0.8%+5d) |
1V |
Input Impedance: 10Mohm
Overload Protection: 200mV range: 250V DC/AC RMS
2~1000V range: 1000V DC/AC RMS
2. AC Voltage:
|
Range |
Accuracy |
Resolution |
|
2V |
¡À(0.8%+5d) |
1mV |
|
20V |
10mV |
|
200V |
100mV |
|
700V |
¡À(1.2%+5d) |
1V |
Input : 10Mohm
Overload Protection: 1000V DC/700VAC RMS
Frequency response: 2V-200V range: 40-400Hz
700V range: 40-200Hz
Indication: Average (rms of sine wave)
3. DC Current:
|
Range |
Accuracy |
Resolution |
|
20mA |
¡À(1.2%+3d) |
10uA |
|
200mA |
¡À(1.5%+3d) |
100uA |
|
10A |
¡À(2.0%+5d) |
10mA |
Max Input Voltage: 200mV
Max Input Current: 10A (up to 15 seconds)
Overload Protection: Fast 0.2A/250V fuse, 10A/250V fuse.
4. AC Current:
|
Range |
Accuracy |
Resolution |
|
20mA |
¡À(1.2%+5d) |
10uA |
|
200mA |
¡À(1.5%+5d) |
100uA |
|
10A |
¡À(2.0%+8d) |
10mA |
Max Measuring Voltage: 200mV
Max Input Current: 10A ( up to 15 seconds)
Overload Protection: Fast 0.2A/250V fuse, 10A/250V fuse
Frequency Response: 40-200Hz
Indication: Average ( rms of sine wave)
5. Resistance:
|
Range |
Accuracy |
Resolution |
|
200ohm |
¡À(0.8%+5d) |
0.1ohm |
|
2kohm |
¡À(0.8%+3d) |
1ohm |
|
20kohm |
10ohm |
|
200kohm |
100ohm |
|
2Mohm |
1kohm |
|
20Mohm |
¡À(1.2%+8d) |
10kohm |
Open Circuit Voltage: less than 3V
Overload Protection: 250V DC/AC RMS
WARNING: Do not input any voltage in resistance range for safety!
6. Capacitance:
|
Range |
Accuracy |
Resolution |
|
20nF |
¡À(4%+10d) |
10pF |
|
2uF |
1nF |
|
200uF |
100nF |
Overload Protection: 36V DC/AC RMS
7. Diode Test:
|
Range |
Description |
Test Conditions |
|
|
Forward voltage drop of diode |
Forward DC Current approx.
1mA. Reversed DC voltage
approx. 3V. |
|
|
Buzzer sounds if resistance
between terminals V/ohmand COM is less than about 30¡À20ohm. |
Opening circuit voltage approx. is 3V |
Overload Protection: 250V DC/AC RMS |
