KYORITSU 4120A - Manual (Page 9)

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4. SPECIFICATIONS
● Measurement Specification
Instrument dimensions 186Ч167Ч89mm
Instrument weight M-4120A / 960g, M-4116A and M-4118A / 750g
Reference conditions Specifications are based on the following conditions
except where otherwise stated:
1． Ambient temperature: 23 ± 5 ℃
2． Relative humidity:45% to 75%
3． Position: horizontal
4． AC power source: 230V, 50Hz
5． Altitude: Up to 2000m
Operating temperature 0 to +40℃, relative humidity 80% or less, no
condensation.
Storage temperature −20 to +60℃, relative humidity 75% or less, no
condensation.
Symbols used on the Equipment protected throughout by DOUBLE
INSULATION or REINFORCED INSULATION.
Caution（refer to accompanying instruction
manual）
and humidity
and humidity
instrument
Loop Impedance ( IEC61557-3)
Prospective Short-circuit Current (M-4118A, M-4120A)
Voltage
Range
20Ω
200Ω
2000Ω
Measuring range
0.00∼19.99Ω
0.0 ∼199.9Ω
0 ∼1999Ω
Nominal test current
at 0Ω external loop
25A / 20ms
2.3A / 40ms
15mA /280ms
Accuracy
±(2%rdg + 4dgt)
Range
200A
2000A
20kA
Measuring range
0.0 ∼199.9A
0 ∼1999A
0.00 ∼ 4.00kA
Nominal test current
at 0Ω external loop
2.3A / 40ms
25A / 20ms
25A / 20ms
Accuracy
Consider accuracy
of Loop Impedance
Measuring range
110 ∼ 260V
Accuracy
±(2%rdg + 4dgt)