AEMC SL261 Manuale utente

AC/DC Current

Oscilloscope Probe

Model SL261

USER MANUAL

ZERO

100 mV/A

10 mV/A

OFF

AC/DC Current Oscilloscope Probe Model SL261

Limited Warranty

The AC/DC Current Oscilloscope Probe Model SL261 is warranted to the

owner for a period of one year from the date of original purchase against

defects in manufacture. This limited warranty is given by AEMC®

Instruments, not by the distributor from whom it was purchased. This

warranty is void if the unit has been tampered with, abused or if the defect is

related to service not performed by AEMC®Instruments.

For full and detailed warranty coverage, please read the Warranty Coverage

Information, which is attached to the Warranty Registration Card (if

enclosed) or is available at www.aemc.com. Please keep the Warranty

Coverage Information with your records.

What AEMC®Instruments will do:

If a malfunction occurs within the one-year period, you may return the

instrument to us for repair, provided we have your warranty registration

information on file or a proof of purchase. AEMC®Instruments will, at its

option, repair or replace the faulty material.

YOU CAN NOW REGISTER ON LINE AT:

www.aemc.com

Warranty Repairs

First, request a Customer Service Authorization Number (CSA#) by phone or

by fax from our Service Department (see address below), then return the

instrument along with the signed CSA Form. Please write the CSA# on the

outside of the shipping container. Return the instrument, postage or

shipment pre-paid to:

Chauvin Arnoux®, Inc. d.b.a. AEMC®Instruments

15 Faraday Drive • Dover, NH 03820 USA

Tel: (800) 945-2362 (Ext. 360)

(603) 749-6434 (Ext. 360)

Fax: (603) 742-2346 or (603) 749-6309

[email protected]

Caution: To protect yourself against in-transit loss, we recommend you

insure your returned material.

NOTE: All customers must obtain a CSA# before returning any

instrument.

Table of Contents

Warning .....................................................................................................2

International Electrical Symbols ................................................................2

Receiving Your Shipment..........................................................................3

Packaging..................................................................................................3

Compatibility..............................................................................................3

Description ................................................................................................4

Control and Connector Identification.........................................................4

Specifications ............................................................................................5

Electrical Specifications.........................................................................5

Environmental Specifications ................................................................6

Mechanical Specifications .....................................................................6

Safety Specifications .............................................................................7

Typical Response Curves......................................................................8

Linearity for a DC Signal Range 10 mV/A .............................................9

Operation...................................................................................................9

Zero Adjustment ....................................................................................9

Current Measurement............................................................................9

Battery Indication (Green LED) ...........................................................10

Overload Indication (Red LED) ...........................................................10

Maintenance............................................................................................10

Warning ...............................................................................................10

Battery Replacement ...........................................................................10

Repair and Calibration ............................................................................11

Technical and Sales Assistance.............................................................11

AC/DC Current Oscilloscope Probe Model SL261

- 2 -

Warning

These safety warnings are provided to ensure the safety of

personnel and proper operation of the instrument.

• Connect the probe to the oscilloscope or voltage measuring

instrument before clamping the probe around a conductor.

• Never use the probe on circuits rated higher than 600V or

with float voltage greater than 600V.

• Never leave the probe clamped around a conductor while it

is not connected to an oscilloscope or voltage measuring

instrument.

• Carefully center the conductor inside the probe jaws and

ascertain that the probe is perpendicular to the conductor

before closing the jaws.

• Avoid, if possible, the proximity of other conductors which

may create noise.

• Check the magnetic mating surfaces of the probe jaws;

these should be free of dirt, rust, or other foreign matter.

• Do not use a probe which is cracked, damaged, or has

defective leads.

International Electrical Symbols

This symbol signifies that the probes are protected by double or

reinforced insulation. Use only specified replacement parts when

servicing the instrument.

This symbol signifies CAUTION! and requests that the user refer

to the user manual before using the instrument.

AC/DC Current Oscilloscope Probe Model SL261

- 3 -

Receiving Your Shipment

Upon receiving your shipment, make sure that the contents are

consistent with the packing list. Notify your distributor of any missing

items. If the equipment appears to be damaged, file a claim immediately

with the carrier and notify your distributor at once, giving a detailed

description of any damage.

Packaging

The shipping container includes the SL261 AC/DC Current Oscilloscope

Probe with a separate battery (not installed) and this user manual.

Compatibility

• BNC input connector.

• Range capable of displaying 0.2 to 0.5V per division.

• Minimum input impedance of 1MΩ.

AC/DC Current Oscilloscope Probe Model SL261

- 4 -

Description

The SL261 AC/DC Current Oscilloscope Probe expands oscilloscope

applications in industrial, automotive or power environments, and is ideal

for analysis and measurement of distorted current waveforms and

harmonics. The probe permits accurate display and measurement of

currents from 100mA to 100Arms, DC to 100kHz without breaking into

the circuit. The probe uses Hall effect technology to measure AC and DC

signals. The probe connects directly to an oscilloscope through a 2 meter

coaxial cable with an insulated BNC.

Control and Connector Identification

ZERO

OFF

Battery

Compartment

Screw

Range Selection Switch

Power Indication LED

Zero Adjust Knob

Current Flow for DC Measurements

or Supply to Load for AC Measurements

Battery Compartment Cover

Ø = 0.46"

(11.8 mm)

Peak Overload Indication LED

100 mV/A

10 mV/A

Figure 1

AC/DC Current Oscilloscope Probe Model SL261

- 5 -

Specifications

ELECTRICAL SPECIFICATIONS

Current Range:

100mV/A: 100mA to 10A peak

10mV/A: 1 to 100A peak

Output Signal: 1000mV peak max

AC Current Accuracy:

After calibration and for one year

(zero probe before making measurement)

Range Accuracy

100mV/A (50mA to 10A peak) 3% of reading ± 50mA

10mV/A (500mA to 40A peak) 4% of reading ± 50mA

10mV/A (40A to 100A peak) 15% max at 100A

Phase Shift*:

< 1° from dc to 65 Hz on 10mV/A

< 1.5° from dc to 65 Hz on 100mV/A

Frequency Range: DC to 100kHz (-3dB with current derating)

Noise:

Range 10mV/A: 480µV

Range 100mV/A: 3mV

Slew Rate:

Range 10mV/A: 20mV/µs

Range 100mV/A: 0.3V/µs

Load Impedance: > 1MΩ/100pF

Insertion Impedance (50/60 Hz): 100mV/A: 3µs

10mV/A: 0.01Ω

Rise or Fall Time: Range 100mV/A: 3µs

Range 10mV/A: 4µs

* Reference Conditions: 23°C ± 5°C, 20 to 75% RH, DC to 1kHz, probe zeroed, 1

minute warmup, batteries at 9V ± 0.1V, external magnetic field < 40 A/m, no DC

component, no external current carrying conductor, 1M

Ω

/100pF load, conductor

centered in jaw.

AC/DC Current Oscilloscope Probe Model SL261

- 6 -

Working Voltage: 600Vrms max

Common Mode Voltage: 600Vrms max

Influence of Adjacent Conductor: < 0.2mA/A AC

Influence of Conductor Position in Jaw: 0.5% of reading at kHz

Battery: 9V alkaline (NEDA 1604A, IEC 6LR61)

Low Battery: Green LED when ≥6.5V

Overload Indication:

Red LED indicates input greater than the selected range

Typical Consumption: 8.6mA

Battery Life: 55 hours typical

ENVIRONMENTAL SPECIFICATIONS

Operating Temperature: 0° to 50°C (32° to 122°F)

Storage Temperature: -30° to 80°C (-22° to 176°F)

Temperature Influence: < 0.2% per °C

Operating Relative Humidity:

10° to 30° C: 85 ± 5% RH (without condensation)

40° to 50° C: 45 ± 5% RH (without condensation)

Altitude: Operating: 0 to 2000m

Non operating: 0 to 12000m

MECHANICAL SPECIFICATIONS

Zero Adjustment: 20 turn potentiometer

Maximum Cable Diameter: 0.46" (11.8 mm)

Case Protection: IP20 per IEC 529

Drop Test:

1.0m on 38mm of oak on concrete; test according to IEC 1010

Mechanical Shock: 100G; test per IEC 68-2-27

AC/DC Current Oscilloscope Probe Model SL261

- 7 -

Vibration:

Test per IEC 68-2-6, frequency range 10 Hz to 55 Hz,

amplitude 0.15mm

Handle: Lexan®920A, UL 94 V2

Dimensions: 9.09 x 1.42 x 2.64" (231 x 36 x 67mm)

Weight: 11.6 oz (330 g) with battery

Color: Light gray

Output Lead: Insulated coaxial cable with insulated BNC connector

Cable Length: 6.5 foot (2m)

SAFETY SPECIFICATIONS

Double insulation or reinforced insulation between primary or secondary

and outer case of the handle, per IEC 1010-2-032.

600V, Cat. III, Pollution Degree 2

Electromagnetic Compatibility:

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

AC/DC Current Oscilloscope Probe Model SL261

- 8 -

Typical Response Curves

-1

-2

-3

-4

-5

Frequency

Frequency in Hz

range 100 mV/A

range 10 mV/A

frequency response

measurement current: 1A sine

100 1000 10000 100000

gain in dB

-10

-50

-100

-150

Phase Shift

Frequency in Hz

range 100 mV/A

range 10 mV/A

phase graph

measurement current: 1A sine

100 10000 100000

phase in ˚

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