Chroma 19073 - Instrument Specifications; Withstanding Voltage Test Specifications; Insulation Resistance Test Specifications; Secure Protection Functions

Introduction
1-3
1.3 Specifications (18ºC
∼
28ºC RH
≤
70%)

Withstanding Voltage Test
 Test Voltage
AC: 0.05∼5kV / DC: 0.05∼6kV Constant Voltage (19072,
19073 only)

Voltage Regulation
≤ 1%+5V, Rated Load

V-display Accuracy
± (1% of reading + 5 counts), 2V resolution
 Cutoff Current (Note1)
AC: 0.1mA ~ 20mA, DC: 0.01mA ~ 5mA (Note1), 0.1uAdc
resolution

I-display Accuracy
0.1uA-299.9uA
0.3mA-2.999mA
3mA-20mA(5mAdc)
± (1.5% of reading + 5 counts) (Note2) WDC only
± (1.5% of reading + 5 counts) (Note2)

Output Frequency
50Hz, 60Hz

Test Time
0.1 ~ 999 Sec, continue (Note3)

Dwell Time
0.1 ~ 999 Sec, off

Ramp Time
0.1 ~ 999 Sec, off (0.1sec approx.)
 Fall Time
0.1 ~ 999 Sec, off
 Arc Detection

Setting Mode
Programmable Setting

Detection Current
AC: 1mA ~ 20mA, DC: 1mA ~ 5mA

Min. pulse width
10us approx.

GOOD/NO-GO Judgment Function

Judgment System
• Window comparator
• A NO-GO judgment is made when a current greater than
the high limit value or smaller than the low limit value is
detected.
• When a NO-GO judgment is made, the output voltage is
cut out and a NO-GO alarm signal is delivered.
• If no abnormal state is detected during the test time a
GOOD Judgment is made and a GOOD signal is
delivered.

Insulation Resistance Test (19073 only)

Test Voltage
DC: 0.05kV ~ 1kV, Constant Voltage

V-display Accuracy
± (5% of reading + 5 counts) (open voltage), 2V resolution

Resistance Range
0.1 MΩ ∼ 50 GΩ (Note 4)

Measuring Accuracy
≥ 500V: 1MΩ ∼ 1000MΩ: ± 4% + 5 counts
1GΩ ∼ 10GΩ: ± 7% + 5 counts
10GΩ ∼50GΩ: ± 12% + 5 counts
< 500V: 0.1 MΩ ∼ 1000MΩ: ± 7% + 5 counts
< 100V: 0.1 MΩ ∼ 1000MΩ: ± 10% + 5 counts

Secure Protection Function

Fast Output Cut-off
Approx. 0.4mS, after NG happen

Fast Discharge
Approx. 0.2S, Typical
 Ground Fault Interrupt
0.5mA ± 0.25mAac (ON), OFF

Continuity Check
0.1Ω ~ 5.0Ω ± 0.2Ω, GC MODE
 Panel Operation Lock
YES

Memory Storage