Ryobi RP4020 Manuel D'utilisation page 9

UNITS ON THE LCD DISPLAY
Voltage unit
mV, V
mV: Millivolt ; V: Volt;
1V=10 mV
3
Current unit
μA, mA,
μA: Microamp; mA: Milliamp; A: Ampere;
A
1A=10 mA=10
3
Resistance unit
Ω, k Ω,
Ω: Ohm; k Ω: Kilohm; MΩ: Megohm;
MΩ
1M Ω =10
3
Capacitance unit
nF,
nF: Nanofarad; μF: Microfarad;
μF
1F=10 μF=10
6
ACCURACY
Accuracy is specified for a period of one year after calibration
and at 64.4ºF to 82.4ºF (18ºC to 28ºC), with relative humid-
ity < 75%. Except the ranges which are specified specially,
accuracy is specified from 8% to 100% of range.
Accuracy specifications take the form of:
± +
([% of Reading] [number of Least Significant Digits])
DC VOLTAGE
Range Resolution
400mV
4V
40V
400V
600V
Input Impedance: Range 400mV: >1000MΩ
The other ranges: 10MΩ
NOTE: The 600V range is specified from 20% to 100% of
range.
AC VOLTAGE
Range Resolution
4V
40V
400V
600V
Input Impedance: 10MΩ
Frequency Range: 40Hz
Response: Average, calibrated in rms of sine wave
NOTE: The 600V range is specified from 20% to 100% of
range.
OPERATION
μA
6
k Ω =10 Ω
6
nF=10 pF
9 12
Accuracy
0.1mV ±(1.0%+5)
0.001V
0.01V ±(0.8%+3)
0.1V
1V ±(1.0%+3)
Accuracy
0.001V
0.01V ±(1.0%+5)
0.1V
1V ±(1.2%+5)
400 Hz
DC CURRENT
Range
400μA
4000μA
40mA
400mA
4A
10A
Overload Protection: Fuse 1: F 400mA, 690V
Max. Input Current: 10A (For inputs > 2A : measurement
duration< 10 secs, interval >15 minutes)
Max. Measurement Voltage Drop: 200mV (for all DC cur-
rent ranges except 10A range)
NOTE: The 10A range is specified from 20% to 100% of
range.
AC CURRENT
Range
400μA
4000μA
40mA
400mA
4A
10A
Overload Protection: Fuse 1: F 400mA, 690V
Max. Input Current: 10A (For inputs > 2A : measurement
duration < 10 sec, interval >15 minutes)
Frequency Range: 40Hz
Response: Average, calibrated in rms of sine wave
Max. Measurement Voltage Drop: 200mV (for all AC cur-
rent ranges except 10A range)
NOTE: The 10A range is specified from 20% to 100% of
range.
RESISTANCE
Range
400Ω
4kΩ
40kΩ
400kΩ
4MΩ
40MΩ
Overload Protection: 600V DC/AC rms
9 – English
Resolution Accuracy
0.1μA ±(1.2%+3)
1μA ±(1.0%+3)
0.01mA ±(1.5%+3)
0.1mA ±(1.0%+3)
0.001A ±(1.8%+3)
0.01A ±(2.0%+5)
Fuse 2: F 10A, 600V/690V
Resolution Accuracy
0.1μA
±(1.5%+5)
1μA
0.01mA
±(1.8%+5)
0.1mA
0.001A ±(2.0%+5)
0.01A ±(2.5%+10)
Fuse 2: F 10A, 600V/690V
400 Hz
Resolution Accuracy
0.1Ω ±(1.0%+5)
0.001kΩ
0.01kΩ
±(1.0%+3)
0.1kΩ
0.001MΩ
0.01MΩ ±(1.8%+5)