B+K precision CP62 Manual de usuario

Model: CP62

DC – 100 A Current Probe

USER MANUAL

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Safety Summary

The following safety precautions apply to both operating and maintenance personnel and must be

observed during all phases of operation, service, and repair of this instrument. Before applying

power, follow the installation instructions and become familiar with the operating instructions for this

instrument.

If this device is damaged or something is missing, contact the place of purchase immediately.

This manual contains information and warnings that must be followed to ensure safe operation as

well as maintain the meter in a safe condition.

GROUND THE INSTRUMENT

To minimize shock hazard, the instrument chassis and cabinet must be connected to an electrical

ground. This instrument is grounded through the ground conductor of the supplied, three-conductor

ac power cable. The power cable must be plugged into an approved three-conductor electrical

outlet. Do not alter the ground connection. Without the protective ground connection, all accessible

conductive parts (including control knobs) can render an electric shock. The power jack and mating

plug of the power cable must meet IEC safety standards.

DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE

Do not operate the instrument in the presence of flammable gases or fumes. Operation of any

electrical instrument in such an environment constitutes a definite safety hazard.

KEEP AWAY FROM LIVE CIRCUITS

Instrument covers must not be removed by operating personnel. Component replacement and

internal adjustments must be made by qualified maintenance personnel. Disconnect the power

cord before removing the instrument covers and replacing components. Under certain conditions,

even with the power cable removed, dangerous voltages may exist. To avoid injuries, always

disconnect power and discharge circuits before touching them.

DO NOT SERVICE OR ADJUST ALONE

Do not attempt any internal service or adjustment unless another person, capable of rendering first

aid and resuscitation, is present.

DO NOT SUBSTITUTE PARTS OR MODIFY THE INSTRUMENT

Do not install substitute parts or perform any unauthorized modifications to this instrument. Return

the instrument to B&K Precision for service and repair to ensure that safety features are maintained.

WARNINGS AND CAUTIONS

WARNING and CAUTION statements, such as the following examples, denote a hazard and

appear throughout this manual. Follow all instructions contained in these statements.

A WARNING statement calls attention to an operating procedure, practice, or condition, which, if

not followed correctly, could result in injury or death to personnel.

A CAUTION statement calls attention to an operating procedure, practice, or condition, which, if not

followed correctly, could result in damage to or destruction of part or all of the product.

WARNING:

Do not alter the ground connection. Without the protective ground connection, all accessible

conductive parts (including control knobs) can render an electric shock. The power jack and mating

plug of the power cable meet IEC safety standards.

WARNING:

To avoid electrical shock hazard, disconnect power cord before removing covers. Refer servicing to

qualified personnel.

CAUTION:

Before connecting the line cord to the AC mains, check the rear panel AC line voltage indicator.

Applying a line voltage other than the indicated voltage can destroy the AC line fuses. For continued

fire protection, replace fuses only with those of the specified voltage and current ratings.

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CAUTION:

This product uses components which can be damaged by electro-static discharge (ESD). To avoid

damage, be sure to follow proper procedures for handling, storing and transporting parts and

subassemblies which contain ESD-sensitive components.

Compliance Statements

Disposal of Old Electrical & Electronic Equipment (Applicable in the European

Union and other European countries with separate collection systems)

This product is subject to Directive 2002/96/EC of the

European

Parliament and the Council of the European Union on

waste

electrical and electronic equipment (WEEE) , and in

jurisdictions

adopting that Directive, is marked as being put on the

market after August 13, 2005, and should not be

disposed of as unsorted

municipal waste. Please utilize your local WEEE

collection

facilities in the disposition of this product and

otherwise observe all applicable requirements.

Safety Symbols

!Terms in This Manual. These terms may appear in this manual:

WARNING. Warning statements identify conditions or practices that could result in

injury or loss of life.

CAUTION. Caution statements identify conditions or practices that could result in

damage to this product or other property.

!Terms on the Product. These terms may appear on the product:

DANGER indicates an injury hazard immediately accessible as you read the marking.

WARNING indicates an injury hazard not immediately accessible as you read the marking.

CAUTION indicates a hazard to property including the product.

!Symbols on the Product. These symbols may appear on the product:

Attention refer to operation Instructions.

This instrument has double insulation.

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CE Declaration of Conformity

The model CP62 meets the requirements of 2006/95/EC Low Voltage Directive and

2004/108/EC Electromagnetic Compatibility Directive with the following standards.

Low Voltage Directive

-EN61010

Safety requirements for electrical equipment for measurement, control,

and laboratory use.

EMC Directive

-EN55011

For radiated and conducted emissions.

-EN55082

Electrical discharge immunity

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1!INTRODUCTION................................................................. 6!

1.1 Introduction .............................................................................................. 6!

1.2 Description ............................................................................................... 6!

1.3 Specifications ........................................................................................... 6!

Table 1.3.0 Electrical Characteristics.................................................................6!

Table 1.3.1 Voltage and current ratings.............................................................6!

Table 1.3.2 Physical Characteristics..................................................................7!

Table 1.3.3 Environmental Characteristics ........................................................7!

Table 1.3.4 Power Requirements .....................................................................7!

Table 1.3.5 Certifications and compliances .......................................................9!

2!INSTALLATION ................................................................ 11!

2.1 Introduction ............................................................................................ 11!

2.2 Package Contents.................................................................................. 11!

2.4 Signal Connections ................................................................................ 11!

3!OPERATING INSTRUCTIONS ......................................... 12!

3.1 General Description ............................................................................... 12!

3.2 Controls and Indicators .......................................................................... 13!

3.3 Connectors............................................................................................. 13!

3.4 Oscilloscope Measurements .................................................................. 14!

3.4.2 Multimeter Measurements ......................................................................15!

3.4.3 Increase Sensitivity ................................................................................15!

4!MAINTENANCE................................................................ 16!

4.1 Battery and AC Power Adapter Operation: ........................................... 16!

4.2 Battery Installation:................................................................................ 16!

4.3 Cleaning: ............................................................................................... 17

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CP62 – Operating Manual

1 Introduction

1.1 Introduction

This manual contains information required to operate the B&K Precision model CP62 Current

Probe. This section covers the instrument’s general description, specifications and

characteristics.

1.2 Description

The CP62 current probe allows a general purpose oscilloscope to display AC and DC current signals

up to 100 A Peak (70 A RMS). The CP62 current probe can also make AC and DC measurements

with a multimeter by using the recommended accessory TL62 (BNC-to-banana) plug adapter.

1.3 Specifications

Table 1.3.0Electrical Characteristics

Current Ranges

10/100 mV/A

DC Accuracy, typical

±3% ±50 mA at 100 mV/A

(50 mA to 10 A peak range)

±4% ±50 mA at 10 mV/A

(500 mA to 40 A peak range)

±15% max at 100 mV/A

(40 A peak to 100 A peak range)

Table 1.3.1 Voltage and current ratings

Rating

Maximum working current (A)

Maximum

Working voltage

(V)

Maximum floating

voltage (V)

Range

10 mV/A

Range

100 mV/A

100 *

600

DC + peak AC

100 *

600

AC peak

100

600

AC peak-peak

200

1200

RMS CAT III

70.7

7.07

300

RMS CAT II

70.7

7.07

600

RMS CAT I

70.7

7.07

600

*See Figure 2 for frequency derating.

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Table 1.3.2 Physical Characteristics

Dimensions

280 mm x 70mm x 32 mm

(11 x 2.8 x 1.3 inch)

Maximum Conductor Size

11 mm (0.43 inch)

Cable Length

100 cm ( 3.3 feet)

Weight

260 g (9.5 oz) (without battery)

Table 1.3.3 Environmental Characteristics

Temperature

Working

Storage

0°C to +50°C (+32°F to +122°F)

-20°C to +80°C (-4°F to +176°F)

Humidity

0°C to 40°C, 95% humidity

40°C to 50°C, 45% humidity

Pollution Degree

Table 1.3.4 Power Requirements

Battery

9V NEDA 1604A, IEC 6LR61

AC Adapter

Linear AC adapter with 9VDC, 300mA, and center

negative output

Figure 1: Gain versus frequency at 1 A peak, typical

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CP62 – Operating Manual

Figure 2: Maximum current versus frequency

Figure 3: DC signal linearity in the 10 mV/A range, typical

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Figure 4: Phase versus frequency at 1 A peak, typical

Table 1.3.5 Certifications and compliances

Declaration

Conformity

– Low

Voltage

Compliance was demonstrated to the following specification as listed in the Official

Journal of the European Union:

Low Voltage Directive 73/23/EEC, as amended by 93/68/EEC

EN 61010-1/A2:1995

Safety requirements for electrical equipment for measurement, control, & laboratory use.

EN 61010-2-032:1995

Particular requirements for hand-held current clamps for electrical test & measurement.

Additional

Compliance

IEC61010-1/A2:1995

Safety requirements for electrical equipment for measurement, control, & laboratory use.

IEC61010-2-032:1994

Particular requirements for hand-held current clamps for electrical test & measurement.

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CP62 – Operating Manual

Certifications and compliances (cont.)

Installation

(Overvoltage)

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