Ryobi RP4020 - Manual (Page 9)

9 – English
UNITS ON THE LCD DISPLAY
mV, V
Voltage unit
mV: Millivolt ; V: Volt;
1V=10
3 mV
μA, mA,
A
Current unit
μA: Microamp; mA: Milliamp; A: Ampere;
1A=10
3 mA=10 6 μA
Ω, k Ω,
M
Ω
Resistance unit
Ω: Ohm; k Ω: Kilohm; MΩ: Megohm;
1M
Ω =10 3 k Ω =10 6 Ω
nF,
μF
Capacitance unit
nF: Nanofarad; μF: Microfarad;
1F=10
6 μF=10 9 nF=10 12 pF
OPERATION
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 Accuracy
400mV 0.1mV ±(1.0%+5)
4V 0.001V
±(0.8%+3) 40V 0.01V
400V 0.1V
600V 1V ±(1.0%+3)
Input Impedance: Range 400mV: >1000M Ω
The other ranges: 10M Ω
NOTE: The 600V range is specified from 20% to 100% of
range.
AC VOLTAGE
Range Resolution Accuracy
400μA 0.1μA ±(1.2%+3)
4000μA 1μA ±(1.0%+3)
40mA 0.01mA ±(1.5%+3)
400mA 0.1mA ±(1.0%+3)
4A 0.001A ±(1.8%+3)
10A 0.01A ±(2.0%+5)
Overload Protection: Fuse 1: F 400mA, 690V
Fuse 2: F 10A, 600V/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 Resolution Accuracy
400μA 0.1μA
±(1.5%+5)
4000μA 1μA
40mA 0.01mA
±(1.8%+5)
400mA 0.1mA
4A 0.001A ±(2.0%+5)
10A 0.01A ±(2.5%+10)
Overload Protection: Fuse 1: F 400mA, 690V
Fuse 2: F 10A, 600V/690V
Max. Input Current: 10A (For inputs > 2A : measurement
duration < 10 sec, interval >15 minutes)
Frequency Range: 40Hz 400 Hz
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 Resolution Accuracy
400 Ω 0.1 Ω ±(1.0%+5)
4k Ω 0.001k Ω
±(1.0%+3)
40k Ω 0.01k Ω
400k Ω 0.1k Ω
4M Ω 0.001M Ω
40M Ω 0.01M Ω ±(1.8%+5)
Overload Protection: 600V DC/AC rms
Range Resolution Accuracy
4V 0.001V
±(1.0%+5) 40V 0.01V
400V 0.1V
600V 1V ±(1.2%+5)
Input Impedance: 10M Ω
Frequency Range: 40Hz 400 Hz
Response: Average, calibrated in rms of sine wave
NOTE: The 600V range is specified from 20% to 100% of
range.
DC CURRENT