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A6013L 2. SPECIFICATIONS
DIGITAL C METER OPERATION MANUAL 2-1.GENERAL SPECIFICATIONS
1. FEATURES Display :LCD (Liquid Crystal Display) Max
Easy and correct readout. Indication 1999.
High measuring accuracy. LCD Backlight and data hold.
Measurements are possible even under a strong Measurement:C (Capacitance)
magnetic field. Range :single 9 position, whole range value (from
LSI-circuit provides high reliability and durability. 0.1pF to 20000uF)
Input overload protection is provided. Zero Adjustment :Manual (range:±20pF)
LCD display for low power consumption and clear Calibrate Adjustment :Have two internal adjustment. One
readout even in bright ambient light conditions. is panel Zero adjustment.
In-line pushbuttons allow one hand operation. Over-input :Display shows "1".
Light-weight and compact construction for easy Sampling Time :3/second
operation. Operating Temp :0 to 40.
Low battery condition is indicated on the LCD Operating Humidity :80% MAX.R.H.
display. Power Supply:Single, standard 9 volt battery. NEDA
1604IEC6F22
Battery Life :Alkaline type approx.: 200 hours.
2. Panel Layout Zinc-Carbon type approx.: 100 hours
LCD Display: 3½ Typical consumption current :3~4mA (200pF-200uF)
digits, character Standard Accessories: Test alligator clips (red &
15mm high black)...1 pair.
Back Light Button Instruction manual.....................1 pc.
Switch: Press this
button to switch on 2-2. ELECTRICAL SPECIFICATION
back light if the dark Accuracy is ±(percentage of reading + number of digit)
circumstance light at 23±5,<80%RH.
Range Accuracy Resolution Test Max
makes the reading Frequency indication
200pF 0.1pF 199.9pF
difficulty when measuring, the light will be 2nF 0.001nF 1.999nF
20nF 0.01nF 820Hz 19.99nF
automatically turned off in 5 seconds. Press again to 200nF ±(0.5%+1d) 0.1nF 199.9nF
2uF 0.001uF 1.999uF
switch it on again. If the battery is in weak power, the 20uF 0.01uF 82Hz 19.99uF
200uF 0.1uF 199.9uF
light will be dimmed. 2000uF ±(2.0%+2d) 1uF 8.2Hz 1999uF
Rotary Switch: use this switch to select ranges 20mF ±(4.0%+10d) 0.01mF 19.99mF
"COM"Input Jack
"+" Input Jack b pF= Pico Farad(10-12F )nF= nan Farad(10-9F). uF=
Data-hold Switch (HOLD) micro Farad(10-6F)
a Zero ADJ. Zero Error: ±20pF
Excitative voltage: Max.2.8Vrms
Overload Rating: Protection by a 0.2A/250V fuse.
3.CONSIDERATION OF MEASUREMENT instrument).
(1) This C METER is intended for measuring the (c) Very low capacitance measurement should be
capacitance value of a capacitor. It is not intended for performed by using extremely short leads in order to
determining the "Q" factor for above reactive avoid introducing any stray inductance.
components. Misleading readings may be obtained if the (d) When using the optioned test leads, remember that the
measurement of capacitance of a resistor is attempted. leads introduce a measurable capacitance to the
(2) When measuring components within circuit that circuit measurement. As a first approximation, the test
must be switched off and de-energized before capacitance is measured by opening the leads at the
connecting the test leads. trips, recording the open circuit value and subtracting
(3) Do not close (black & red) test leads. that value.
(4) Instruments used in dusty environments should be (e) Capacitors, especially electrolytic, often have
stripped and cleaned periodically. notoriously wide tolerances. Do not be surprised if the
(5) Do not leave the instrument exposed to direct heat from measured value is greater than the value marked on the
the sun for long periods. capacitor, unless it is a close tolerance type. However,
(6) Before removing the battery and fuse compartment value is seldom drastically below the rated value.
cover, ensure that the instrument is disconnected with (f) If changing range, measured value will be changed,
any circuit and the power switch is in the off position. leakage-voltage capacitors will be checked also.
(7) For all measurements, should connect BLACK test lead Leakage-resistance will be decreased in lower range.
into "-" terminal and RED test lead into "+" terminal.
4.CAPACITANCE(C) MEASURING PROCEDURE
5. MAINTENANCE
(1) Select the range switch for the maximum expected
1) 9-Volt battery replacement
capacitance.
a. Ensure the instrument is not connected to any external
(2) Check "0" indication: If test range is 200pF, 2nF, 20nF,
circuit. Set the selector switch to
should check "0" indication before test.
OFF position and remove the test leads from terminals.
(3) Observe polarity when connecting polarized capacitors.
b. Remove the screw on the bottom case and lift the
(4) Full discharge any capacitors.
bottom case.
(5) Connect the alligator clips to the capacitors leads.
c. Remove the spent battery and replace it with a battery
(6) Read the display. The value is direct reading in the
of the same type.
electrical unit (pF, nF, uF) indicated at the selected
2) Fuse replacement
range switch. If display show "1", It indicate on
a. Ensure the instrument is not connected to any external
Out-of-Range measurement. If the display indicates one
circuit. Set the selector switch to
or more leading zeros, shift to the next lower range scale
OFF position and remove the test leads from terminals.
to improve the resolution of the measurement.
b. Remove the screw on the bottom case and lift the
NOTE:
bottom case.
(a) If the capacitance value is unmarked, start from the
c. Replace the fuse with the same type and rating:
200pF range and keep increasing until the over-range
5X20mm, 200mA/250V, fast-blow fuse or as the
indication goes off and a reading is obtained.
replacements.
(b) A shorted capacitor will read over-range on all ranges.
A capacitance with low voltage leakage will read over
range, or a much higher value than normal.
An open capacitor will read zero on all ranges (possibly
a few pF on 200pF range, due to stray capacitance of the