APPA 98II Manual de usuario

DIGITAL MULTIMETER

INSTRUCTION MANUAL

APPA 98II

WARNING

THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY.

TO AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN THAT

CONTAINED IN THE OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO.

INTRODUCTION

1-1 Unpacking and Inspection

Upon removing your new Digital Multimeter from its packing, you should have the following items:

1. Digital Multimeter.

2. Test lead set (one black, one red).

3. Instruction manual.

4. Protective holster.

1-2 Meter Safety

Terms as Marked on Equipment.

#ATTENTION —Refer to manual.

1DOUBLE INSULATION —Protection Class Ⅱ.

"DANGER —Risk of electric shock.

Symbols in this Manual.

#This symbol indicates where cautionary or other information is found in the manual.

FUSE

Battery

1-3 Front Panel

Refer to Figure 1 and to the following numbered steps to familiarize yourself with the meter’s front panel controls

and connectors.

1. Digital Display —The digital display has a 4000 counts LCD readout with 82 segments analog bar graph, auto

polarity, decimal point,“ “ AC, DC RANGE, APO and unit annunciators.

2. Rotary Switch —Select the Function and Range desired.

3. COM Input Terminal —Ground input connector.

4. V

Hz Input Terminal —Positiv

e input connector for Volts, Ohms Capacitance and Temperature Frequency.

5. mA Input Terminal —Positive input connector for Amp measurements (up to 400mA).

6. A Input Terminal —Positive input connector for Amp measurements (up to 10A).

7. Range Switch, (Manual Range) —“Range”switch is pressed to select manual ranging and to change ranges.

When pressed the“Range”annunciator is displayed. Consecutively press-

ing the“Range”switch allows selection of the appropriate range for meas-

urement. To return to“Autoranging”press the “Range”switch and hold

simultaneously for 2 seconds.

8. Blue Switch —Press the switch to toggle between AC Voltage / Current and DC Voltage / Current in the

Voltage / Current mode or to toggle between Resistance and continuity and diode in Ω/ /:

mode or to toggle between Frequency and RPM in Hz/RPM mode.

9. Hold Switch —This switch is used to hold the measured value for all functions, when pressed the““

annunciator is displayed. Conversions are made but the display is not updated.

This switch could be used in“MIN/MAX”mode or“PMIN/MAX”mode.

10.

Hz Switch —This switch is used to quickly view the frequency during measuring the AC voltage or current.

Press“%Hz“switch once the LCD is changed to display frequency. Push “%Hz “switch

again, the LCD back to display the AC signal amplitude reading. In“%Hz“mode, pressing

RANGE key switch does not change the frequency range. However , the RANGE key switch

changes the sensitivity of frequency detection, if the input signal amplitude is less than 5% of

full scale range, the user shall increase the sensitivity. Pressing Range switch in“%Hz“

modealso changes range of the original voltage or current mode.

Figure 1

SPECIFICATIONS

2-1 General Specifications

Display : The Liquid Crystal Display (LCD) has a maximum reading of 4000 and 82 segments bar graph.

Polarity Indication : Automatic, positive implied, negative indicated.

Overrange Indication :“OL”or“-OL”.

Low Battery Indication :“ “ is displayed when the battery voltage drops below operating voltage.

Sampling :2 times/sec for digit. 12 times/sec for analog bargraph.

Auto Power Off : Approx 30 minutes.

Operating Ambient :0℃~ 30℃(≦80%R.H), 30℃~ 40℃(≦75%R.H),

40℃~ 50℃(≦45%R.H).

Storage Temperature :-20℃to 60℃, 0 to 80% R.H. when battery removed from meter.

Temperature Coefficient : 0.15 x (Spec.Acc’y) / ℃, <18℃or > 28℃.

Power Requirements : Standard 9V battery NEDA 1604, IEC6F22, JIS006P.

Battery Life : Alkaline 300 hours.

Dimensions (W x H x D) : 88mm x 180mm x 33.5mm , without holster.

94mm x 188mm x 40mm , with holster.

Accessories : Protective Holster , Battery (installed), Test leads and Instruction Manual.

2-2 Environmental Conditions

Indoor use.

Maximum Altitude : 2000 Meter.

Installation Category : IEC 1010, 1000V Cat.Ⅱ, 600V Cat.Ⅲ.

PollutionDegree : 2

2-3 Electrical Specifications

Accuracy is±(% reading + number of digits) at 23°C±5°C , less than 80% R.H.

(1) DC Volts

Range Resolution Accuracy Over voltage

protection

400mV 100µV±(0.25%reading + 5digits)

DC 1000V

40V 10mV

±(0.25%reading + 1digit)400V 100mV

1000V 1V

4V 1mV ±(0.4%reading + 1digit)

Input Impedance : 10MΩ. (over 1000MΩin 400mV range).

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