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The 879 measures capacitance, resistance (of non-inductive components) and inductance. Components can be measured with selectable test frequencies in series or parallel modes as desired. The 4 1/2 digit main LCD displays values to 19,999, and the secondary 3 digit 1,000 count display reads D or Q. Both models can be used in either auto ranging or manual ranging modes.
Features
Selectable test frequencies 100Hz, 120Hz, 1KHz, 10KHz
Simultaneously displays measured component value and Q or Dissipation Factor (D)
Display hold
Relative mode
Tolerance mode
Backlight
RS 232 Interface (cable and software required)
General Specification
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Items: |
Model 879 |
Model 878A |
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Parameters Measured |
L/C/R/D/Q/Θ |
L/C/R/D/Q |
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Measuring Circuit Mode |
Inductance (L)
–Defaults to series mode
Capacitance/ Resistance (C/R)
-Defaults to parallel mode |
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Displays |
L/C/R: Maximum display 19999
D/Q: Maximum display 999 (Auto Range). |
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Ranging Mode |
Auto & Manual |
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Measuring Terminals |
3 terminals with sockets |
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Test Frequency
Accuracy:
±0.1 % |
100Hz=100 Hz
120Hz= 120 Hz
1KHz =1010 Hz
10KHz= 9.6 KHz |
120Hz= 120 Hz
1KHz =1010 Hz |
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Backlit display |
Included |
Excluded |
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Tolerance mode |
1%, 5%, 10%, 20% |
1%, 5%, 10% |
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Test Signal Level |
0.6Vrms approx. |
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Measuring Rate |
1 time/second, nominal |
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Response time |
Approx. 1 second/ DUT (device under test)(@ manual range) |
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Auto Power-Off |
5 minutes approx. without operation |
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Temperature Coefficient |
0.15 x (Specified Accuracy) / ℃(0-18℃ or 28-40℃) |
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Operation Temperature |
0℃ to 40℃; 0-70% R.H. |
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Storage Temperature |
-20℃ to +50℃; 0-80% R.H. |
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Low Battery Indication |
Approx. 6.8V |
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Power Consumption |
Approx. 40mA for operation/ 0.08mA after Auto Power-off. |
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Power Requirements |
1) DC 9V Battery
2) Ext. DC Adaptor: DC 12Vmin –15Vmax. (Load 50mA Min.) |
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Protective Fuse |
0.1A/250V Fuse (input protective) |
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Standard Accessories |
Test alligator clips (pair)
DC 9V Battery.
User manual |
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Dimensions (L/W/H) |
7.2/ 3.4/ 1.6" (184/ 87/ 41 mm) |
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Weight |
11.6oz (330 grams) |
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Electrical Specification
Accuracy is expressed as: ± (% of reading + no. of least significant digits) at 23℃±5℃and <75% R.H.
Model 879:
o Resistance (Parallel mode)
Test Frequency: 100 / 120 Hz
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Range |
Maximum Display |
Accuracy |
Specified Note |
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@100 Hz |
@120Hz |
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10MW |
9.999MW |
2.0%+8 *3 |
2.0%+8 *3 |
After open cal. |
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2000KW |
1999.9KW |
0.5%+5 |
0.5%+5 |
After open cal. |
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200KW |
199.99KW |
0.5%+3 |
0.5%+3 |
- |
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20KW |
19.999KW |
0.5%+3 |
0.5%+3 |
- |
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2000W |
1999.9W |
0.5%+3 |
0.5%+3 |
- |
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200W |
199.99W |
0.8%+5 |
0.8%+5 |
After short cal. |
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20W |
19.999W |
1.2%+40 |
1.2%+40 |
After short cal. |
Test Frequency: 1K / 10K Hz
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Range |
Maximum Display |
Accuracy |
Specified Note |
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@1K Hz |
@10KHz |
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10 MW |
9.999MW |
2.0%+8 * 3 |
3.5%+10 * 3 |
After open cal. |
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2000 KW |
1999.9KW |
0.5%+5 |
2.0%+10 |
After open cal. |
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200 KW |
199.99KW |
0.5%+3 |
1.5%+5 |
- |
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20 KW |
19.999KW |
0.5%+3 |
1.5%+5 |
- |
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2000 W |
1999.9 W |
0.5%+3 |
1.5%+5 |
- |
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200 W |
199.99 W |
0.8%+5 |
2.0%+10 |
After short cal. |
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20 W |
19.999 W |
1.2%+40 |
2.5%+200 |
After short cal. |
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