AEMC instruments Chauvin Arnoux 6412 - Electrical Specifications; Ground Resistance; Ground or Leakage Current; Mechanical Specifications

MODEL 3711/3731 SERVICE/CALIBRATION MANUAL Cat. #2117.60/2117.61
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ELECTRICAL SPECIFICATIONS
Ground Resistance
Measurement
Range
Range Resolution Accuracy*
0.1 to 1.00Ω 0.01Ω ± (2% R ± 0.02Ω)
1.0 to 50.0Ω 0.1Ω ± (1.5% R ± 0.1Ω)
50.0 to 100.0Ω 0.5Ω ± (2.0% R ± 0.5Ω)
100 to 200Ω 1Ω ± (3.0% R ± 1Ω)
200 to 400Ω 5Ω ± (6.0% R ± 5Ω)
400 to 600Ω 10Ω ± (10% R ± 10Ω)
Autoranging
0.01Ω to 1200Ω
600 to 1200Ω 50Ω Approx. 25% ± 50
Ground or Leakage Current
Measurement
Range
Range Resolution Accuracy*
1 to 299mA 1mA ± (2.5% R + 2mA)
0.300A to 2.999A 0.001A ± (2.5% R + 2mA)
Autoranging
1mA to
30.00Arms
3.00A to 29.99A 0.01A ± (2.5% R + 20mA)
R = Reading
* Reference conditions: 23°C ± 3K, 50% RH ± 10%, battery at 8 V ± 0.2V,
external magnetic field < 40 A/m, external electrical field < 1 V/m,
conductor centered, loop resistance noninductive. Accuracy % of reading,
Frequency: 50, 60 Hz.
Resistance Measurement Frequency: 2403Hz
Voltage generated into the loop: About 60mVrms
Alarm Range (Model 3731 Only): 0 to 199Ω
Resistance Overload: OL displayed above 1200Ω
Current Overload: OL displayed above 29.99Arms
Current Measurement Frequency: 47 to 800Hz
Influence of Frequency:
Add 7.5% to the reference specification
MECHANICAL SPECIFICATIONS
Dimensions: 9.25 x 3.94 x 2.17" (235 x 100 x 55 mm)
Weight: 2.2 lbs. (1 kg)
Case Material: Lexan
®
920A (UL94V2) or equivalent
Jaw Cover Material:
Lexan
®
with 10% fiberglass charge (UL94V0) or equivalent
LCD Cover Material: Clear Lexan
®
(UL94V1) or
equivalent
Color: Gray body, red jaws
Jaw Window Diameter: 1.25” (32 mm)
Jaw Opening: 1.38” (35 mm)
Operating Temperature: 14° to 131°F (-10° to 55°C)
Operating Humidity:
10 to 90% RH @ 14° to 104°F (-10° to 40°C),
75% RH @ 131°F (55°C)
Storage Temperature: -22° to 158°F (-30° to 70°C)
Altitude: Operational 2000m
Storage: 12000m
Power Supply: 9V alkaline (IEC 6LF22 or NEDA 1604A)
Battery Life:
Typical: 8 hrs or approx. 1000 measurements of 30
seconds
LCD: 3-3/4 digit, 1.73 x 1.10” (44 x 28 mm)
US Design Patent: No. 362,639
SAFETY SPECIFICATIONS
IEC 1010-2-032 (Class 2), Double Insulation
Working Voltage: 150V, Cat. III - Pollution Degree 2
300V, Cat. II - Pollution Degree 2
ELECTROMAGNETIC COMPATIBILITY:
Emission: EN 50081-1 Ed. 92
Immunity: EN 50082-1 Ed. 97
Vibration Test: IEC 68-2-6
Shock Test: IEC 68-2-27
Drop Test (1m): IEC 68-2-32
Max A Overload: 100A continuous, 200A (<5s) 50/60Hz
OL displayed above 29.99Arms
Environmental:
IP30 (Protection Index) EN 60529 Ed.92
IK04, EN 50102 Ed 95