Specifications – Atec AEMC-4620_4630 User Manual
Page 3

Models 4620 & 4630 (pdf)
08/02
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Specifications
MODELS
4620
4630
ELECTRICAL
Ranges (Auto-Ranging 0 to 2000Ω)
20Ω
200Ω
2000Ω
Measurement
0.00 to 19.99Ω
20.0 to 199.9Ω
200 to 1999Ω
Resolution
10mΩ
100mΩ
1Ω
Open Voltage
≤42V peak
≤42V peak
≤42V peak
Resistance Measurement
128Hz square wave
128Hz square wave
128Hz square wave
Frequency
Test Current
10mA
1mA
0.1mA
Accuracy
±2% of Reading ± 1ct
±2% of Reading ± 1ct
±2% of Reading ± 3cts
Auxiliary Electrode Influence
Max Res. in Current Circuit
3kΩ
30kΩ
50kΩ
Max Res. in Voltage Circuit
2000Ω
50kΩ
50kΩ
Interference
Rejects high levels of interference voltage (DC, 50 to 60Hz, harmonics):
DC voltage in series with X: 20V; AC voltage in series with Y: 13V peak;
AC voltage in series with Z: 32V peak
Response Time
Approximately 4 to 8 seconds for a stabilized measurement
Withstanding Voltage
250V
AC
or 100V
DC
Power Source
Eight C cell batteries;
120/230V 50/600Hz
Alkaline recommended;
Rechargeable 9.6V, 3.5 Ah NiMH batteries
Battery Life
1800 15-second measurements; LO BAT indication on LCD
Fuse Protection
0.1A, >250V, 0.25 x 1.25"; 30kA Interrupt Capacity
MECHANICAL
Display
3
1
/
2
digit, 0.71" (18mm) high; 2000-counts; electroluminescent blue backlight
LCD also indicates overrange, test lead shorts and lead reversals
Connection
Color-coded terminals accept spade lugs with min. gap of 6mm or
standard 4mm banana jacks
LED Indication
Three LEDs indicate high input noise, high auxiliary rod resistance,
open leads, blown fuse
Operating Temperature
14° to 131°F (-10° to 55°C), 20 to 90% RH
Storage Temperature
-40° to 158°F (-40° to 70°C), 10 to 90% RH with batteries removed
Dimensions
10.8 x 9.7 x 5.0" (273 x 247 x 127mm)
Weight
6.28 lbs (2.85kg)
7.38 lbs (3.35kg)
Case
Heavy duty o-ring sealed field case
Mechanical Shock
IEC 68-2-27
Vibration Test
IEC 68-2-6
6
Drop Test
IEC 68-2-32
Dielectric Test
3kV, 50/60Hz, 1 min. between four interconnected measuring terminals
and any external metal ground
Environmental
O-ring sealed against dust and water to IP50 (Protection Index)
when case is closed
SAFETY
Rating
EN 61010-1, Cat. III, Pollution Degree 2
CE Mark
Yes