Amprobe CR50A Manuel utilisateur

CR50A

Capacitance,

Resistance Meter

User Manual

ENG FRE SPA

Cx Rx

DISCHARGE CAPACITOR

BEFORE CONNECTING

CR50A

Capacitance,

Resistance Meter

User Manual

6/2018, 6010985 B

English

Limited Warranty and Limitation of Liability

Your Amprobe product will be free from defects in material and

workmanship for one year from the date of purchase unless

local laws require otherwise. This warranty does not cover

fuses, disposable batteries or damage from accident, neglect,

misuse, alteration, contamination, or abnormal conditions

of operation or handling. Resellers are not authorized to

extend any other warranty on the behalf of Amprobe. To

obtain service during the warranty period, return the product

with proof of purchase to an authorized Amprobe Service

Center or to an Amprobe dealer or distributor. See Repair

Section for details. THIS WARRANTY IS YOUR ONLY REMEDY.

ALL OTHER WARRANTIES - WHETHER EXPRESS, IMPLIED OR

STATUTORY - INCLUDING IMPLIED WARRANTIES OF FITNESS FOR

A PARTICULAR PURPOSE OR MERCHANTABILITY, ARE HEREBY

DISCLAIMED. MANUFACTURER SHALL NOT BE LIABLE FOR ANY

SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES

OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. Since some

states or countries do not allow the exclusion or limitation of an

implied warranty or of incidental or consequential damages, this

limitation of liability may not apply to you.

Repair

All Amprobe returned for warranty or non-warranty repair or

for calibration should be accompanied by the following: your

name, company’s name, address, telephone number, and proof

of purchase. Additionally, please include a brief description of

the problem or the service requested and include the test leads

with the meter. Non-warranty repair or replacement charges

should be remitted in the form of a check, a money order, credit

card with expiration date, or a purchase order made payable

to Amprobe.

In-Warranty Repairs and Replacement – All Countries

Please read the warranty statement and check your battery

before requesting repair. During the warranty period,

any defective test tool can be returned to your Amprobe

distributor for an exchange for the same or like product. Please

check the “Where to Buy” section on amprobe.com for a list

of distributors near you. Additionally, in the United States and

Canada, in-warranty repair and replacement units can also be

sent to an Amprobe Service Center (see address below).

Non-warranty Repairs and Replacement

– United States and Canada

Non-warranty repairs in the United States and Canada

should be sent to an Amprobe Service Center. Call

Amprobe or inquire at your point of purchase for current

repair and replacement rates.

USA: Canada:

Amprobe Amprobe

Everett, WA 98203 Mississauga, ON L4Z 1X9

Tel: 877-AMPROBE (267-7623) Tel: 905-890-7600

Non-Warranty Repairs and Replacement – Europe

European non-warranty units can be replaced by your Beha-

Amprobe distributor for a nominal charge. Please check the

“Where to Buy” section on beha-amprobe.com for a list of

distributors near you.

Beha-Amprobe

Division and reg. trademark of Fluke Corp. (USA)

Germany* United Kingdom

In den Engematten 14 52 Hurricane Way

79286 Glottertal Norwich, Norfolk

Germany NR6 6JB United Kingdom

Phone: +49 (0) 7684 8009 - 0 Phone: +44 (0) 1603 25 6662

beha-amprobe.de beha-amprobe.com

The Netherlands - Headquarters**

Science Park Eindhoven 5110

5692 EC Son

The Netherlands

Phone: +31 (0) 40 267 51 00

beha-amprobe.com

*(Correspondence only – no repair or replacement

available from this address. European customers please

contact your distributor.)

**single contact address in EEA Fluke Europe BV

CR50A Capacitance, Resistance Meter

200

20m

200p

200

ZERO

ADJUST

(20 )

OFF

20M

CR50

200

20n

CAP.

ZERO

ADJUST

DISCHARGE CAPACITOR

BEFORE CONNECTING

4 6

13½ digit LCD; decimal point,

function and unit indicators

2Capacitance Zero Adjustment

3Function/Range/Off Selector

4Capacitance Input Terminals

5Resistance Zero Adjustment

6Input Terminals for resistance,

diode test and continuity

CR50A Capacitance, Resistance Meter

Contents

SYMBOLS....................................................................2

WARNINGS AND PRECAUTIONS................................2

OVERLOAD INDICATION ............................................3

PREPARATION FOR USE - UNPACKING.......................3

MEASURING PROCEDURES ........................................3

Resistance Measurement ...........................................4

Diode and Transistor Test...........................................5

Continuity Test............................................................6

Capacitance Measurement ........................................6

SAFETY TEST LEADS...................................................7

SPECIFICATIONS..........................................................8

ELECTRICAL SPECIFICATIONS.....................................10

TROUBLESHOOTING/MAINTENANCE........................12

SYMBOLS

Battery

Refer to the manual

Double insulated

Audible tone

Fuse

Complies with EU directives

Conforms to relevant Australian

standards

WARNINGS AND PRECAUTIONS

• Do not exceed the maximum overload limits

per function (see specifications) nor the limits

marked on the instrument itself.

• Inspect instrument, test leads and accessories

before every use. Do not use any damaged part.

• Never ground yourself when taking

measurements.

• Do not touch exposed circuit elements or

probe tips.

• Never replace a fuse with one of a different

rating. Do not operate instrument in an

explosive atmosphere.

OVERLOAD INDICATION

Range overload is indicated by “1” in

the display with all other digits blanked.

Select the next higher range until a value is

displayed. If overload condition still exists in the

highest range, the measured value is beyond the

range of the meter. Overload indication is normal

in the OHMS range when the leads are not

connected to anything or when the measured

value is higher than the selected resistance range.

PREPARATION FOR USE - UNPACKING

Your package should include:

1 CR50A

1 Test lead set (one black, one red)

1Pair of alligator clips

1 9V battery (installed)

1 Spare 0.1A/250V fuse (inside the case)

1 Holster

1 Warranty Card

1 User manual

If any item is damaged or missing, return to the

place of purchase for an exchange.

MEASURING PROCEDURES

General: When connecting or disconnecting test leads

to/from a circuit, always first turn off power to device

or circuit being tested and discharge all capacitors.

Resistance Measurement

1. Turn off power to the resistance to be

measured and discharge any capacitors.

Any voltage present during a resistance

measurement will cause inaccurate readings.

Connect red test lead to +Rx Input (red) and

black test lead to -Rx Input.

2. Set Function/Range Switch to the desired

Ωposition.

3. Connect test leads to resistance or circuit to

be measured.

4. Read resistance value on Digital Display.

Open circuits will be displayed as an

overload condition.

Note: On the 20Ωrange, an adjustment

potentiometer (ZERO ADJ.) allows you to zero

out the test lead resistance. Short the test leads

and adjust the knob until the display reads zero.

200

20m

200p

200

ZERO

ADJUST

(20 )

OFF

20M

CR50

200

20n

CAP.

ZERO

ADJUST

DISCHARGE CAPACITOR

BEFORE CONNECTING

1.520 k

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