Manual

Models 4620 & 4630 (pdf) 08/02
Technical Assistance [phone] www.aemc.com 3 of 6
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 250VAC or 100VDC
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 68-2-66
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