MODEL SL261 REPAIR AND CALIBRATION MANUAL CAT# 1201.51
2
VERSION 2: September 21, 2005
FILE LOCATION: Manuals - Service Man. - SL261MAN.DOC
9/21/2005
GENERAL DESCRIPTION
The AEMC model SL261 is a portable 100 A peak
current probe with an insulated BNC output cable that
can accurately measure AC or DC current wave
forms. The unit has proportional mV output for direct
readings on oscilloscope
ELECTRICAL SPECIFICATIONS
Output Signal: mV output (1000 mV peak max.)
Current Range: 100 mV/A: 100 mA to 10 A peak
10 mV/A : 1A to 100 A peak
AC Current Accuracy: (after calib. and for one year)
Range Accuracy
100 mV/A (50 mA to 10 A peak) 3% of reading ± 50 mA
10 mV/A (500 mA to 40 A peak) 4% of reading ± 50 mA
10 mV/A (40A to 100 A peak) 15% Max. at 100 A
Phase Shift:
< 1°from DC to 65 Hz on 10 mV/A
< 1.5°from DC to 65 Hz on 100 mV/A
* Reference Conditions: 23°C ± 5°K, 20 to 75% RH, DC to 1 kHz,
probe zeroed, 1 minute warm-up, battery at 9V ±0.1 V. External
magnetic field < 40A/m, no DC component, no external current
carrying conductor, 1 MΩ/ 100 pF load, conductor center.
Frequency Range: DC to 100 kHz
(-3 dB with current derating)
Noise: Range 10 mV/A : 480 μV
Range 100 mV/A : 3 mV
Slew Rate: Range 10 mV/A: 20 mV/μs
Range 100 mV/A: 0.3 V/μs
Load Impedance: >1 MΩ/100 pF
Insertion: (50/60 Hz): 100 mV/A: 0.01 Ω
10 mV/A: 0.01 Ω
Rise or Fall Time: Range 100 mV/A: 3 μs
Range 10 mV/A: 4 μs
Working Voltage: 600 V rms max.
Common Mode Voltage: 600 V rms max.
Influence of Adjacent Conductor: < 0.2 mA/A AC
Influence of Conductor Position in Jaw
0.5% reading at 1 KHz
Battery: 9 V alkaline (NEDA 1604A, IEC 6LR61)
Low Battery: Green LED Off when ≥6.5 V
Overload Indication: Red LED indicates input
greater than the selected range.
Typical Consumption: 8.6 mA
Battery Life: 55 hours typical
MECHANICAL SPECIFICATIONS
Operating Temperature Range:
0°C to +50°C (32°F to 122°F)
Storage Temperature Range:
-30°C to +80°C (-22°F to 176°F)
Influence of Temperature: < 0.2% per °C
Operating Relative Humidity:
10-30 °C 85 ± 5% RH (Without condensation)
40-50 °C 45 ± 5% RH (Without condensation)
Altitude: Operating: 0 to 2000 m
Non operating: 0 to 12000 m
Zero Adjustment: 20 turn potentiometer
Maximum Cable Diameter: 0.46” (11.8 mm)
Case Protection: IP20 per IEC 529
Drop Test: 1.0 m on 38 mm of oak on concrete. (IEC
1010)
Mechanical Shock: 100G, Test Per IEC 68-2-27
Vibration: Test Per IEC 68-2-6
Frequency Range: 10 Hz to 55 Hz
Amplitude: 0.15 mm
Dimensions: 9.09 x 1.42 x 2.64” (231 x 36 x 67mm)
Weight: 11.6 oz (330 g) with battery
Handle: LEXAN 920A, UL 94V2, Color: Dark Gray
Output Lead: Insulated 6.5 foot (2 m) coaxial cable
with insulated BNC connector
SAFETY SPECIFICATIONS
Electrical:
Double insulation or reinforced insulation between
the primary, the secondary and the outer case of
the handle upon IEC 1010.
- 600 V Category III, Pollution Degree 2
- 300 V Category IV, Pollution Degree 2
Electromagnetic Compatibility (CE Mark):
EN 50081-1, Class B
EN 50082-2 Electrostatic discharge IEC 1000-4-2
Radiated Field IEC 1000-4-3
Fast transients IEC 1000-4-4
Magnetic field at 50/60 Hz IEC 1000-4-8
