APPA 93N Manuale utente
DIGITAL MULTIMETER
INSTRUCTION MANUAL
APPA 93N
1
WARNING
THE SERVICING INSTRUCTIONS DESCRIBED WITHIN THIS MANUAL 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. TO AVOID ELECTRIC SHOCK, DISCONNECT MEASURING TERMINALS BEFORE OPENING
ENCLOSURE.
Also, the complete duty cycle for the 20A measurement should be stated as on for 30 seconds max, and
off for 3 minutes min.
2
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 marked on Equipment
ATTENTION — Refer to Manual.
DOUBLE INSULATION — Protection Class II.
DANGER — Risk of electric shock
3
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 the following numbered steps to familiarize yourself with the meter's front panel controls and
connectors.
1. Digital Display — The digital display has a 3-1/2 digit LCD readout (maximum reading 1999) with automatic
polarity, decimal point, overrange and low battery indicators.
2. Rotary Switch — Selects the desired function and range.
3. COM Input Terminal — Ground input connector.
4. VΩHz Input Terminal — Positive input connector for Volts, Ohms, Diode measurements.
4
5. µA mA Input Terminal — Positive input connector for current measurements (up to 200mA).
6. 20A Input Terminal — Positive input connector for current measurements (up to 20A).
7. Capacitor Test Jacks — Used for capacitance measurements.
8. AC/DC Switch —Select AC or DC for voltage and current measurements.
5
1
6
5
3
4
7
2
8
Figure 1
6
SPECIFICATIONS
2-1 General Specifications
Display : 3-1/2 digit Liquid Crystal Display (LCD) with a maximum reading of 1999.
Polarity Indication : Automatic, positive implied, negative indicated.
Overrange Indication : "1" or "-1".
Low Battery Indication : "" is displayed when the battery voltage drops below specified operating voltage.
Measuring Rate : 2.5 times per second, nominal.
Auto Power Off : Approx. 30 minutes.
Temperature Coefficient : 0.15 x (Specified accuracy) / °C, < 18°C or > 28°C.
Power Requirements : Standard 9V battery, NEDA 1604, JIS 006P, IEC6F22.
Battery Life : 150 hours typical (Alkaline).
7
Dimensions (WxHxD) : 84mm x 175mm x 31mm, without holster
95mm x 192mm x 50mm, with holster.
Weight (including battery) : 340 gms without holster
550 gms with holster.
Accessories : Protective Holster, battery (installed) and instruction manual.
2-2 Environmental Conditions
Indoor Use
Maximum Altitude : 2000 meters.
Installation Category : IEC 1010 600V CAT. Ⅱ, 300V CAT. Ⅲ
CAT.Ⅱis for measurements performed on circuits directly connected to the low-voltage installation.
CAT .Ⅲ. is for measurements per formed in the building installation.
Pollution Degree : 2
Operating Ambient : 0°C ~ 30°C ≦80% R.H., 30°C ~ 40°C ≦75% R.H., 40°C ~ 50°C ≦45% R.H.
Storage Temperature : -20°C to 60°C, with battery removed from meter.
8
2-3 Electrical Specifications
Accuracy is ± (% reading + number of digits) at 23°C ± 5°C, less than 75% R.H.
(1) DC Volts
Range Resolution Accuracy Over voltage
protection
200mV 100 µV
±(0.5%rdg + 1dgt)
2V 1mV
20V 10mV
200V 100mV
600V 1V
600V rms
Input Impedance : 10MΩ.
9
(2) AC Volts
Range Resolution Accuracy Over voltage
protection
200mV 100 µV
±(1.3%rdg + 4dgt)
40Hz to 500Hz
2V 1mV
20V 10mV
200V 100mV
600V 1V
600V rms
AC Conversion Type : Average Sensing rms indication.
Input Impedance : 10MΩ// less than 100pF
Indice
Altri manuali APPA Strumento di misura
