294 User’s Manual TOS93 Series
Specifications | Earth continuity test section
Earth continuity test section
Applicable models: , ,
Output function
Measurement function
9303LC
Item Specifications
Current setting range
1
3.0 A to 42.0 A AC/DC
Resolution 0.1 A
Accuracy ±(1 % of setting + 0.4 A)
AC
Maximum rated output
2
220 VA (at the output terminal)
Distortion 2% or less (20 A or more, using a 0.1 Ω pure resistive load)
Frequency Select 50 Hz or 60 Hz. Sine
Accuracy ±200 ppm
Open terminal voltage 6 Vrms or less
Output method PWM switching
DC Maximum rated output 220 W (at the output terminal)
Ripple ±0.4 Ap-p or less (TYP)
Open terminal voltage 6.0 V or less
1 No greater than the maximum rated output and resistance no greater than the output terminal voltage 5.4 V.
2 When tests are performed consecutively, output time limit and rest time may become necessary depending on the
upper limit setting (p.101).
Item Specifications
Output
ammeter
Measurement range 0.0 A to 45.0 A AC/DC
Resolution 0.01 A
Accuracy ±(1 % of reading + 0.2 A)
Response AC: true rms value: DC: mean value
Hold function The current measurement after a test is finished is held while the pass or fail
judgment is displayed.
Output
voltmeter
Measurement range AC: 0.00 V to 6.00 V, DC: 0.00 V to 8.50 V
Resolution 0.001 V
Offset cancel function Cancels up to 5 V (AC/DC) of the unnecessary voltage from measurements.
OFF function available.
Accuracy ±(1 % of setting + 0.02 V)
Response AC: true rms value: DC: mean value
Hold function The voltage measurement after a test is finished is held while the pass or fail
judgment is displayed.
Resistance
meter
Measurement range
1
1 mΩ to 600 mΩ
Resolution 1 mΩ
Offset cancel function Cancels up to 10 Ω of the unnecessary resistance from measurements. OFF
function available.
Accuracy ±(2 % of reading + 3 mΩ)
Hold function The resistance measurement after a test is finished is held while the pass
judgment is displayed.
1 Calculated from the measured output voltage and measured output current.
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