Elenco Digital Multimeter - Manual (Page 2)

Contents
1. Introduction 3
2. Safety Information 3
3. Safety Symbols 5
4. Front Plate of the Meter 5
Input Terminal 6
Function Rotary Switch 7
Function Press Button 8
LCD Display 10
5. Power On Option 11
6. Auto Power Off 11
7. Measurement Range 11
8. Making Measurements 12
Preparation 12
Measuring Voltage 12
Measuring DC Voltage 13
Measuring AC Voltage 14
Measuring Current 16
Measuring DC Current 17
Measuring AC Current 19
Measuring Resistance 21
Testing Diodes 23
Testing for Continuity 24
Measuring Capacitance 25
Measuring Frequency 27
Measuring Duty Cycle 28
Measuring Temperature 29
9. Maintenance 31
General Maintenance 31
Replacing the Batteries 31
Replacing the Fuses 32
10. General Specifications 33
11. Detailed Accuracy Specifications 33
-2-
Table 12. Capacitance Detailed Accuracy Specifications
Table 13. Diode Detailed Accuracy Specifications
Overload protection: 250V DC/AC rms
Table 14. Frequency & Duty Cycle Detailed Accuracy Specifications
Table 15. Temperature Detailed Accuracy Specifications
Overload protection: 250V DC/AC rms
-35-
Range Resolution Accuracy Note
40nF 10pF ±(3.5% rdg + 10)
Overload protection:
250V DC/AC rms
400nF 100pF
±(3.0% rdg + 5) 4 μ F 1nF
40 μ F 10nF
400 μ F 100nF
±(20% rdg + 5)
4000 μ F 1 μ F
Range Description Note
Display reads approximate
forward voltage of diode Test current: 1mA ±0.6mA
Test voltage: approx. 2.8V
Range Resolution Accuracy Sensitivity Note
9.999Hz
-
10MHz
0.001Hz
-
10kHz
±(0.1% rdg + 5)
<100kHz:
1.5V rms
>100kHz:
5V rms
Overload
protection:
250V rms
Duty cycle:
10Hz-1kHz
0.1% - 99.9% 0.1% ±(2.5% rdg + 5) 1.5V rms
Range Accuracy Note
32°F - 104°F
(0°C
– 40
°
C)
±5°F; ±3°C (using built-in
temperature sensor)
±5°F (room temperature)
–50°C
– 200
°
C
±(1.5% rdg + 3)
–58°F
– 392
°
F
±(1.5% rdg + 5)
200°C
– 700
°
C
±(2.0% rdg + 3)
392°F
– 1292
°
F ±(2.0% rdg + 5)