PCE Instruments PCE-CM 4 User manual

PCE Americas Inc.

711 Commerce Way

Suite 8

Jupiter

FL-33458

USA

From outside US: +1

Tel: (561) 320-9162

Fax: (561) 320-9176

info@pce-americas.com

PCE Instruments UK Ltd.

Units 12/13

Southpoint Business Park

Ensign way

Hampshire / Southampton

United Kingdom, SO31 4RF

From outside UK: +44

Tel: (0) 2380 98703 0

Fax: (0) 2380 98703 9

info@pce-instruments.com

www.pce-instruments.com/english

www.pce-instruments.com

Manual

Flexible Clamp Meter PCE-CM 4

Version 1.0

Date of creation: 04.08.2015

Date of last change: 05.08.2015

Manual

Contents

1Introduction .............................................................................................................3

2Safety notes.............................................................................................................3

3Specification............................................................................................................4

3.1 Electrical Specification................................................................................................................ 4

3.2 General Technical Data.............................................................................................................. 4

4System description.................................................................................................5

4.1 Meter discription ......................................................................................................................... 5

4.2 Display discription....................................................................................................................... 5

5Operation.................................................................................................................6

5.1 Measuring instruction ................................................................................................................. 6

5.2 Position sensivity........................................................................................................................ 6

5.3 Button description....................................................................................................................... 6

5.3.1 Backlight button.............................................................................................................................. 6

5.3.2 Hold button..................................................................................................................................... 6

5.3.3 MAX/MIN button............................................................................................................................. 6

5.4 Replacing the Battery................................................................................................................. 7

6Contact.....................................................................................................................8

6.1 PCE Instruments UK .................................................................................................................. 8

6.2 PCE Americas ............................................................................................................................ 8

Manual

1 Introduction

Thank you for purchasing a flexible clamp meter PCE-CM 4 from PCE Instruments.

The flexible clamp meter PCE-CM 4 is a high quality meter for the measuring of current: It’s possible to

measure current at inaccessible electric conductors. The flexible clamp meter PCE-CM 4 has a

measuring range up to 400 A. The meter is easy to handle. You can control the device with three buttons

and one rotary switch. The meter is able to measure minimum and maximum readings. The HOLD-

function allows freezing the data. The LCD-display has 4 digits, which means a high accuracy. The small

and handy device promises a wide range of possibilities in any environment.

2 Safety notes

Please read this manual carefully and completely before you use the device for the first time. The device

may only be used by qualified personnel and repaired by PCE Instruments personnel. There is no

warranty of damages or injuries caused by non-observance of the manual.

Do not operate the tester if the body of meter or the current probe looks broken.

Check the main function dial and make sure it is at the correct position before each measurement.

Always de-energize the circuit under test before installing flexible probe measuring head. Always inspect

the electronics unit, connecting cable and flexible probe for damage before using this product.

Exercise extreme caution, when measuring live system with voltage greater than 60V DC or 30V AC.

To avoid false readings, replace the battery as soon as possible, when the battery symbol appears.

The device may only be used in approved temperature range

The opening of the case should only be done by qualified personnel of the PCE Instruments.

The instrument should never be placed with the user interface (e.g. keyboard side on a table)

You should not make technical changes on the device

The appliance should only be cleaned with a damp cloth / use only pH-neutral cleaner

This user's handbook is published from PCE Instruments without any guarantee.

We expressly point to our general guarantee terms, they can be found in our general terms of business.

If you have any questions please contact PCE Instruments.

Manual

3 Specification

3.1 Electrical Specification

Measuring Ranges

4A / 40A / 400A

Resolution

0,001A / 0,01A / 0,1A

Accuracy (45 … 500Hz)

±3 %

Power Supply

2 x AAA oder 2 x UM-4; 1,5 V

Battery Life

120 Std.

Temperature Coefficients

0,1 deviation over 28 and under 18 °C

3.2 General Technical Data

Display

4 digits LCD display

Over Load

When the signal larger than the maximum will be

shown -OL-

Sample Rate

2 times/sec

Low Power Indication

When the battery is below the proper operation

range, it will be shown

Auto Power off

If there is no key or dial operation for 15 minutes,

the meter will automatically

power off to save battery

Disable Auto Power off

To disable the function, press the “Hold” button

and keep it pressed while

powering on the meter.

Probe Cable Length(s)

203 mm

Probe Cable Diameter

5,5 mm

Cable Length

1,5 m

Weight

196 g (include Battery)

Dimension (meter)

120mm(L)x70mm(W)x26 mm(H);

4.7”(L)x2.8”(W)x1”(H)

Manual

4 System description

4.1 Meter discription

1. Flexible current probe

2. Probe coupling

3. Range switch

4. Data hold button

5. MIN/MAX button

6. Backlight button

7. LCD display

8. Battery compartment cover

4.2 Display discription

Manual

5 Operation

5.1 Measuring instruction

-To activate unit, move the rotary switch from the “off” position to the required measuring range.

-Select the desired range. If the value of current being measured is unknown, first select the

highest range and then reduce accordingly.

-Connect the flexible probe around the conductor.

-Center the conductor perpendicularly inside the flexible probe area.

-Observe the current value on the LCD.

5.2 Position sensivity

8”

Flexible Current Probe

Distance from optimum

Error

1 in

± 1%

1,3 in

± 2%

Note:

Measurement uncertainty assumes centralized primary conductor at optimum

position, no external electrical or magnetic field, and within operating temperature

range.

5.3 Button description

5.3.1 Backlight button

-Press the backlight button to turn on back-light.

-Press the backlight button again to turn off back-light. The back-light will also

-be turned off automatically after 30 seconds to extend battery life.

5.3.2 Hold button

-Press the HOLD button to hold data.

-Press the HOLD button again to release held data.

5.3.3 MAX/MIN button

-Press the MAX/MIN button to enter the Max/Min mode.

-Press the MAX/MIN button, to read Max, Min, and current reading in sequence.

-Press the MAX/MIN button for 2 seconds, to exit the Max/Min mode.

Manual

5.4 Replacing the Battery

1. When the battery voltage drops below proper operation range the battery symbol will appear on

the LCD display and the battery needs to be replaced.

2. Remove the flexible current probe from any measuring object.

3. Switch the main dial to “OFF”.

4. Open the battery door with a screwdriver.

5. Replace the old batteries with two new 1.5V (AAA Size) batteries.

6. Close the battery door and fasten the screw.

Manual

6 Contact

If you have any questions about our range of products or measuring instruments please contact PCE

Instruments.

6.1 PCE Instruments UK

By post:

PCE Instruments UK Ltd.

Units 12/13 Southpoint Business Park

Ensign Way, Southampton

Hampshire

United Kingdom, SO31 4RF

By phone:

02380 987 035

6.2 PCE Americas

By post:

PCE Americas Inc.

711 Commerce Way

Suite 8

Jupiter

33458 FL

USA

By phone:

561 320 9162

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