AEMC FlexProbe Manuale utente

FlexProbe®

Flexible AC Current Probe

USER MANUAL

INSTRUMENTS

FlexProbe

LOW BAT

200A

2000A

OFF

Limited Warranty

The Flexprobe®is warranted to the owner for a period of 2yearsfrom 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 Card, which is attached to the Warranty Registration Card.

Please keep the Warranty Coverage Card with your records.

What AEMC®Instruments Will Do:

If a malfunction occurs within the warranty period, you may return

the instrument to us for repair or replacement free of charge, provided we

have your REGISTRATION CARD on file. AEMC®Instruments will, at its

option, repair or replace the faulty material.

If a registration card is not on file, we will require a dated proof of pur-

chase, as well as your REGISTRATION CARD accompanied by the

defective material.

www.aemc.com

Warranty Repairs

What you must do to return an Instrument for Warranty Repair:

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 ................................................................3

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

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

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

Features ....................................................................................................5

Features ....................................................................................................6

Ordering Information .................................................................................6

Accessories ...............................................................................................6

Specifications ............................................................................................7

Instrument Compatibility............................................................................9

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

Making Measurements with the FlexProbe®

........................................9

Tips for Making Precise Measurements ................................................9

Typical Response Curves....................................................................11

Maintenance............................................................................................13

Warning ...............................................................................................13

Cleaning...............................................................................................13

Battery Replacement ...........................................................................14

Repair and Calibration ............................................................................15

Technical and Sales Assistance .............................................................15

FlexProbe®- Flexible AC Current Probe

- 2 -

Warning

These safety warnings are provided to ensure the safety of

personnel and proper operation of the instrument.

• Read the instruction manual completely and follow all the

safety information before attempting to use or service this

instrument.

• Wear protective clothing and gloves as required.

• Use caution on any circuit: potentially high voltages and

currents may be present and may pose a shock hazard.

• Read the safety specifications section prior to using the

current probe. Never exceed the maximum voltage ratings

given.

• Safety is the responsibility of the operator. The FlexProbe®

must be used only by qualified personnel using applicable

safety precautions.

• ALWAYS de-energize the circuit before wrapping the

FlexProbe®around bare conductors, bus bars, or near live

parts. Do not wrap on live conductors.

• ALWAYS connect the electronic module to the display

device before wrapping the FlexProbe®around the sample

being tested.

• ALWAYS inspect the module, sensor, sensor cable, and

output terminals prior to use. Replace any defective parts

immediately. Use only factory parts.

• NEVER use the FlexProbe®on electrical conductors rated

above 1000V in overvoltage category III.

FlexProbe®- Flexible AC Current Probe

- 3 -

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.

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

Your FlexProbe®consists of the following items:

• Flexible probe with in-line electronic module

• User manual

• Two 3V lithium batteries (CR2032)

• Product Warranty Registration Card with attached Warranty Card

FlexProbe®- Flexible AC Current Probe

- 4 -

Description

The FlexProbe®is a flexible AC current transformer composed of a

flexible sensor and an electronic module. The flexible sensor permits

measurements on conductors where standard clamp-on probes could

not be used. In particular, it can be installed in tight spaces, around

breaker panels, around cable bundles, around wide or large bus bars, or

even wrapped around irregular shapes. The Shape Memory™ feature

enables the user to “pre-shape” the sensor, somewhat, before inserting it

between or around conductors. This feature facilitates closing, enhances

user safety, and alleviates the drooping effect typically associated with

flexible sensors.

The FlexProbe®is lightweight. It does not use magnetic cores like

standard transformers. The transformation principle is based on an air

core. It presents virtually no load to the system under test, has a low

phase shift and excellent frequency response, and cannot be damaged

by overloads. The sensor assembly is waterproof and insulated for

1000V, Cat. III.

The FlexProbe®has a mV output proportional to the current measured

for direct readings on DMMs, data loggers and oscilloscopes. TRMS

measurements are taken when connected to a TRMS meter. The

FlexProbe®is insensitive to DC currents and only the AC component of

the measured signal is measured.

FlexProbe®- Flexible AC Current Probe

- 5 -

FlexProbe®

Figure 1

1. Flexible Sensor (Ø 0.5”, 12.5mm)

2. FlexProbe®Connector/Latch

3. Common: Black Banana Plug (-)

4. Positive: Red Banana Plug (+)

5. Low Bat Indicator (red LED)

6. Range Selection Switch

7. Electronic Module

8. Lead (6.5 ft, 2m)

FlexProbe®- Flexible AC Current Probe

- 6 -

Features

•Two ranges to measure from: 200Arms and 2000Arms

•TRMS measurements when connected to a TRMS instrument

•No core saturation or damage if overloaded

•1000V, IEC 1010, Cat III (sensor); 600V, IEC 1010, CAT III (module)

•Waterproof sensor

•(2x) 3V lithium battery for typical 720 hr. continuous operation

•Shape Memory™ for pre-shaping of sensor before use

(no

drooping)

•Insensitive to DC, measures only AC component on DC + AC signals

•Excellent linearity

•Lightweight

Ordering Information

FlexProbe®Model 24-2000 .................................................. Cat. #2115.56

Includes a flexible probe with in-line electronic module, user manual, two

3V lithium batteries (CR2032), and a product warranty and registration

card.

Accessories

Banana (Female) / BNC (Male) Adapter.............................. Cat. #2118.46

For connection of FlexProbe®to BNC terminals on scopes and other

displaying instruments.

FlexProbe®- Flexible AC Current Probe

- 7 -

Specifications

ELECTRICAL

Accuracy: 10mV/A: 5 - 180A; ± (1% of Reading + 500mA)

180 - 200A; ± (2% of Reading)

1mV/A: 10 - 1800A; ± (1% of Reading + 500mA)

1800 - 2000A; ± (2% of Reading)

Frequency Range: 30 - 5,000Hz with current derating

Signal Output: 2Vrms max (with fully charged batteries)

Working Voltage: 1000V, IEC 1010, Cat. III

Common Mode Voltage: 600V

Frequency Influence: See Accuracy vs. Frequency curves on page 11

Frequency Limitation:

See current derating curves (note no limitation on 200A Range) pg. 12

Influence of Adjacent Conductor: 0.2% typical, 2% max

Influence of Conductor Position in Sensor: 0.5% typical, 4% max

Influence of Shape of Sensor: Oblong shape: 0.2% typical, 1% max

Common Mode Rejection: 100 dB typical, 80 dB min

Residual Current at 0: ± 200mA

ENVIRONMENTAL SPECIFICATIONS

Case Protection:

Sensor: IP65 per IEC 529

Electronic module: IP40 per IEC 529

Operating Temperature Range: 10°C to +55°C (14°F to 131°F)

Storage Temperature Range: -40°C to +70°C (-40°F to 158°F)

Influence of Temperature:

Sensor: -10°C to 90°C: 0.15% per 10°C typical, 0.5% per 10°C max

Module: -10°C to 55°C: 0.15% per 10°C typical, 0.5% per 10°C max

Influence of Relative Humidity:

10 to 90% RH: 0.2% typical, 0.5% max

Operating Relative Humidity:

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

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

FlexProbe®- Flexible AC Current Probe

- 8 -

MECHANICAL SPECIFICATIONS

Module Output:

Two 4mm safety banana jacks

Battery: Two 3V lithium batteries (CR2032)

Battery Life: From 3.2V to 2.8V, 720 hrs typical (continuous use)

Low Battery: Red LED blinks when battery voltage is low

Dimensions (sensor): 24" nominal (± 1")

Dimensions (Electronic Module): 1.95 x 2.7 x 0.8" (50 x 69 x 20mm)

Connection Cable Length: Module to Sensor: 6.5 ft

Module to Banana: 5 ft

Colors: Red sensor with dark gray connector, black module and

connection cable (sensor to module)

Drop Test: Per IEC 68-2-32

Weatherproofing: Module: IP40 (EN 60529) - NEMA 2

Sensor: IP 65 (EN60529) - NEMA 4X

MATERIAL SPECIFICATIONS

Module: UL 94V0, Color black, ABS plastic

Sensor Latch: Material: Lexan 500R, UL94V0

Cable Assembly to Sensor: UL 94V0, 1000V rating

SAFETY SPECIFICATIONS

Electrical:

Double insulation or reinforced insulation between primary or secondary

and outer case per IEC 1010-2-32

• 1000V, Category III, Pollution Degree 2

• 600V Common Mode

• 7.50kV, 50/60Hz, dielectric between sensor and the output

*Reference Conditions: 25°C ± 5°K, 20 to 75% RH, 1 minute warm-up, battery at 3V ± 0.2V, conductor

center, external DC magnetic field < 40 A/m, no external AC magnetic field, no external electrical field,

10 to 100 Hz, sine wave. See accuracy curves for low currents.

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