Accuracy Specifications; Dc Voltage; Ac Voltage; Dc Current - KNOVA KN 8058 Operation

General Specifications
• Weight: Approximate 370 g (battery included).
• Safety/Compliances: IEC61010 CAT.III 1000V,
CAT.IV 600V over voltage and double insulacion
standard.
• Certifications:

Accuracy Specifications

Accuracy ± a% reading + b digits guarantee
for 90 days.
Operating temperature 18ºC ~ 28ºC.
Relative humidity <75%.
A. DC Voltage
Resolution Accuracy
Range
0.1mV ±(0.8%+3)
400mv
0.001V
4V
0.01V ±(0.5%+1)
40V
0.1V
400V
1V ±(1.0%+3)
1000V
B. AC Voltage
Range Resolution Accuracy
45~400Hz
±(1.2%+5)
0.1mV
400mv
0.001V
4V
±(1.0%+3)
0.01V
40V
0.1V
400V
1V ±(1.2%+5)
750V
• Displays effective value of sine ware. mV range
is applicable from 5% of range to 100% of range.
C. DC Current
Range Resolution Accuracy
400μA 0.1μA
(1.0%+2)
4000μA 01μA
40mA 0.01mA
(1.2%+3)
400mA 0.1mA
4A 0.001A
(1.5%+3)
10A 0.01A
Remarks:
• When 5A: Continuous measurement is allowed.
• When >5A: Continuous measurement less than
10 seconds at an interval more than 15 minutes.
Input Fixed
impedance value
input
Around
>3000MΩ
10MΩ
1000V dc
/ 750V ac
Around
10MΩ
Input Fixed
impedance value
input
Around
>3000MΩ
10MΩ 1000V dc
/ 750V ac
Around
10MΩ
Overload protection
Fuse 1:
F1A H 240V (CE),
ø6 x 25mm
Fuse 2:
F10A H 240V (CE),
ø6 x 25mm
D. AC Current
Range Resolution
400μA 0.1μA
4000μA 1μA
40mA 0.01mA
400mA 0.1mA
4A 0.001A
10A 0.01A
Remarks:
• When 5A: Continuous measurement is allowed.
• When >5A: Continuous measurement less than
10 seconds at an interval more than 15 minutes.
• Display effective value of sine wave.
E. Resistance
Range Resolution
400Ω 0.1Ω
4kΩ 0.001kΩ
40kΩ 0.01kΩ
400kΩ 0.1kΩ
4MΩ 0.001MΩ
40MΩ 0.01MΩ
F. Capacitance
Range Resolution
40nF 0.01nF
400nF 0.1nF
4μF 0.001μF
40μF 0.01μF
400μF 0.1μF
4000μF 1μF
G. Frequency
Range
10Hz~10MHZ
• Overload protection: 1000V dc/750V ac
• Input amplitude: (DC electric level is zero)
}
When 10Hz ~ 10MHz: 200mV
}
When measuring on line frequency or duty
cycle under AC voltage and current
measurement mode, the input amplitude and
frequency response must satisfy the following
requirement: input amplitude
frequency response:
8
Accuracy Overload protection
45Hz ~ 400Hz
Fuse 1:
(1.2%+5)
F1A H 240V (CE),
ø6 x 25mm
(1.5%+5)
Fuse 2:
F10A H 240V (CE),
(2.0%+5)
ø6 x 25mm
Overload
Accuracy
protection
±(1.2%+2)
±(1.0%+2)
1000V dc
/750 V ac
±(1.2%+2)
±(1.5%+2)
Overload
Accuracy
protection
±(3.0%+5)
1000V dc
/750 V ac
±(4.0%+5)
unspecified
Accuracy Maximum resolution
(0.1%+4) 0.01 Hz
a
range x 30%
400Hz
Remark
When
measuring
below
2kΩ, apply
RELA
to ensure
measurement
accuracy
Remark
There is
around
10nF
residual
reading
when
the
circuit
is open
30Vms