CMP-3kR - Multimeter Sonel - Free user manual and instructions

Product Type	Clamp Multimeter
Brand	Sonel
Model	CMP-3kR
Display	LCD, 6000 counts, backlight
AC Current Range	0.1 A to 3000 A (True RMS)
DC Current Range	0.1 A to 3000 A
AC Voltage Range	0.1 V to 1000 V (True RMS)
DC Voltage Range	0.1 V to 1000 V
Resistance Range	0.1 Ω to 60 MΩ
Capacitance Range	1 nF to 100 mF
Frequency Range	0.1 Hz to 1 MHz
Temperature Measurement	-50°C to 1000°C (with K-type thermocouple)
Continuity Test	Yes, audible buzzer
Diode Test	Yes
Safety Rating	CAT IV 600V, CAT III 1000V
Power Supply	4 x AA batteries
Dimensions	260 x 95 x 55 mm
Weight	Approx. 500 g (with batteries)
Clamp Opening	Up to 50 mm diameter
Data Hold	Yes
Auto Range	Yes
Low Battery Indicator	Yes
Accessories Included	Test leads, K-type thermocouple, carrying case, manual

Frequently Asked Questions - CMP-3kR Sonel

How do I measure AC current with the CMP-3kR?

Set the rotary switch to AC current (A~) mode. Clamp the jaw around a single conductor. The display will show True RMS AC current.

What is the maximum voltage the CMP-3kR can measure?

The CMP-3kR can measure up to 1000 V AC/DC in voltage mode.

How do I replace the batteries?

Turn off the meter. Remove the battery compartment screw on the back. Replace the four AA batteries with fresh ones, observing polarity.

Does the CMP-3kR have a backlight?

Yes, the display has a backlight for easy reading in dim conditions. Press the backlight button to toggle.

How accurate is the AC current measurement?

Accuracy is typically ±(1.5% + 5 digits) for AC current up to 3000 A, depending on range. Refer to the manual for detailed specs.

Can I measure temperature with this multimeter?

Yes, the CMP-3kR supports temperature measurement with a K-type thermocouple (included). Set the switch to °C/°F and connect the probe.

What safety category does the CMP-3kR comply with?

The meter is designed to CAT IV 600V and CAT III 1000V safety standards for safe use in electrical environments.

How do I test continuity?

Set the rotary switch to the continuity/diode position. Touch the test leads together. A continuous beep indicates a good connection (< 30 Ω).

What is the size of the clamp jaw opening?

The clamp jaw can accommodate conductors up to 50 mm in diameter, suitable for large cables or busbars.

Does it have auto-ranging capability?

Yes, the CMP-3kR has auto-ranging for voltage, resistance, and current measurements. You can also manually select ranges if needed.

USER MANUAL CMP-3kR Sonel

Illustration of a mobile phone with orange and black casing, featuring a screen and control buttons (no text or symbols)

INSTRUKCJA OBSŁUGI 1

USER MANUAL 19

MANUAL DE USO 37

AC DIGITAL CLAMP METER WITH DATA LOGGER

CMP-3kR

CE

Version 1.07 23.02.2024

CMP-3kR True RMS multimeter is intended for measuring direct and alternating voltage, direct and alternating current, resistance, capacitance, frequency, duty cycle (filling) and temperature and for testing diodes and circuit continuity.

The most important features of CMP-3kR include:

• Bluetooth wireless communication used for transmitting the measurement results to mobile devices with Android OS,
  • Automatic and manual range setting,
• the INRUSH function captures the starting current precisely in the beginning of 1-second period when the device is just started,
• HOLD function used to maintain the read-pot on the meter screen,
• backlight of the screen to read the measurement results in poor light,
• AUTO-OFF function,
• 4-digit display (read-out 3000).

CONTENTS

1 Introduction.... 22
2 Safety 23

2.1 General rules....23

2.2 Safety symbols....24

3 Preparing the meter for operation.... 24
4 Functional Description.... 25

4.1 Measuring terminals and functions ......25

4.2 Display 27

5 Measurements.... 28
6 Special features 29

6.1 Przycisk Hz DEVICE button....29

6.1.1 Hz function....29

6.1.2 DEVICE function....29

6.2 SETUP button 29

6.2.1 Display backlight 29

6.2.2 SETUP function - setting the date, time and AutoOff function 29

6.3 LOG SEND button....30

6.3.1 Recording readings in the memory....30

6.3.2 Transferring data to a mobile application....30

6.4 INRUSH▲ button....30
6.5 HOLD ▼ button....31

6.5.1 HOLD function 31

6.5.2 Wireless communication 31

6.6 Deleting data in the memory of the meter 31

7 Replacing the batteries 32
8 Maintenance and care 32
9 Storage 33
10 Dismantling and disposal 33
11 Technical data.... 34
12 Manufacturer.... 36

1 Introduction

Thank you for purchasing Sonel multimeter. CMP-3kR meter is a modern, easy and safe measuring device. Please acquaint yourself with this manual in order to avoid measuring errors and prevent possible problems in operation of the meter.

This manual contains three types of warnings. They are presented as a framed text describing the possible risks for the user and the device. Texts ⚠ WARNING describe situations, which may endanger user's life or health, when instructions are not followed. Texts ⚠ CAUTION! begin a description of a situation, which may result in device damage, when instructions are not followed. Indication of possible problems is preceded by symbol 🧿

WARNING

• CMP-3kR meter is designed to measure the current. Any application that differs from those specified in the present manual may result in a damage to the device and constitute a source of danger for the user.
• CMP-3kR meter must be operated only by appropriately qualified personnel with relevant certificates authorising the personnel to perform works on electric systems. Unauthorized use of the meter may result in its damage and may be a source of serious hazard to the user.
• Before operating the device, read thoroughly this manual and observe the safety regulations and guidelines provided by the producer. Failure to follow instructions specified in this manual may result in a damage to the device and be a source of serious hazard to the user.

2 Safety

2.1 General rules

In order to provide conditions for correct operation and the correctness of the obtained results, the following recommendations must be observed:

• before using the meter read carefully this manual,
• the meter should be operated only by qualified persons that have passed health and safety training,
• do not exceed the maximum limits of the input signal,
• if during the measurement symbol OL appears on the screen, it indicates that the measured value exceeds the measurement range,
• it is unacceptable to operate:

⇒ a damaged meter which is completely or partially out of order,
⇒ a device with damaged insulation of test leads,
⇒ a meter stored for an excessive period of time in disadvantageous conditions (e.g. excessive humidity).

- repairs may be carried out only by an authorised service point.

WARNING

• Never start the measurements if you have wet or damp hands.
• Do not perform measurements in explosive atmosphere (e.g. in the presence of flammable gases, vapours, dusts, etc.). Using the meter in such conditions may result in sparking and cause an explosion.

The limit values of the input signal
Function	The maximum input value
3000 A AC	3000 A AC

2.2 Safety symbols

This symbol located near another symbol or terminal, indicates that the user should read the further information contained in the manual.

This symbol located near the terminal, indicates that in normal use there is a possibility of dangerous voltages.

Protection class II – double insulation.

3 Preparing the meter for operation

After purchasing the meter, check whether the content of the package is complete.

Before performing the measurement:

• make sure that the battery level is sufficient for measurements,
• check whether the meter casing is not damaged,
• when the meter is not in use, turn if off.

The device has the AUTO-OFF function triggered after approx. 15 minutes of user inactivity. To turn the meter on again, press the ON/OFF button. When the automatic shutdown is deactivated, the display does not show icon ⏻

WARNING

Do not use the meter if the cover of battery compartment is removed.

4 Functional Description

4.1 Measuring terminals and functions

1 LCD display

2 Function buttons 1

• ON/OFF button
• Hz DEVICE button

○ Hz mode – press briefly ⇒ Displaying the frequency of the measured signal

○ DEVICE mode – press and hold ⇒ Displaying free memory available in the meter

- SETUP button

○ Activating the backlight of the display (press briefly)
○ Settings (sec. 6.2.2) (press and hold)

- LOG SEND button

○ Switching the recording on/off (press briefly)
○ Sending records to a mobile application (press and hold)

3 Function buttons 2

- INRUSH ▲ button

○ Displays inrush current (press briefly)
○ Increases the value by 1 (sec. 6.2.2)

- HOLD button

○ Freezing the measurement results on the display (press briefly)
○ Switching wireless communication mode Bluetooth (press and hold)
○ Decreases the value by 1 (sec. 6.2.2)

4 Flexible probe terminal

4.2 Display

AC A	Current measurement
Hz	Measurement of frequency
OL	Exceeded measurement range
	Auto-off mode
	Low battery
HOLD	HOLD function activated
INRUSH	Inrush current
	Bluetooth wireless transmission
	Recording data to the memory
SET	Signalling the memory preview mode or entering settings
DAY-MONTH	Day-month(dd-mm)
TIME	Time (hh:mm)

5 Measurements

The content of this chapter should be thoroughly read and understood since it describes methods of measurements and basic principles of interpreting measurement results.

Before starting the measurements, set the current date and time in the meter (sec. 6.2.2).

To perform the current measurement:

• connect flexible clamp to the meter's socket,
• fasten the clamp around the tested conduit. Only one conduit must be within the testing range of the clamp,
• read the measurement result on the display.

6 Special features

6.1 Przycisk Hz DEVICE button

6.1.1 Hz function

You can display the frequency of the measured signal. For this purpose:

• press briefly Hz DEVICE button,
• another short press restores displayed current values.

6.1.2 DEVICE function

DEVICE function allows user to check the amount of free memory in the meter. For this purpose:

- press and hold Hz DEVICE button. Flashing SET icon will be displayed. The numbers shown on the screen have the following meaning:

○ 1-00 - 0% of free space,
○ 1-99% - 99% of free space etc.,

- another long press restores displayed current values.

6.2 SETUP button

6.2.1 Display backlight

Pressing SETUP button will turn ON/OFF the display backlight function.

6.2.2 SETUP function - setting the date, time and AutoOff function

SETUP function allows user to set the time and date in the meter. For this purpose:

• press and hold the ⚙SETUP button. SET icon will be displayed.
• use DEVICE button to switch parameters to be modified (switching in a loop). The selected parameter flashes. The parameters are displayed in the following order:

☐ for date and time: year, month, day, hour, minutes, seconds,
○ Auto-off function (0 – disabled, 1 – active),

• values of parameters are increased by pressing INRUSH ▲ button and decreased by HOLD 🎧 button,
• another long press of ⚙SETUP button saves the introduced changes and restores displayed current values.

6.3 LOG SEND button

6.3.1 Recording readings in the memory

In order to record data in the memory of the meter, briefly press LOG SEND button. Icon will be displayed. To stop recording, press the LOG SEND button again.

6.3.2 Transferring data to a mobile application

In order to transfer the recorded data to Sonel Multimeter Mobile application, follow the procedure specified in sec. 6.5.2. Then press and hold LOG SEND button and follow the instructions displayed by the app.

To stop the data transfer mode, press LOG SEND button again.

6.4 INRUSH▲ button

The INRUSH function captures the starting current precisely in the beginning of 1-second period when the device is just started. To perform the measurement:

• briefly press INRUSH▲ button,
• set the measurement range. Press and hold the button, to select one of the following options:

○ range 3000 A (---- symbols are displayed),
○ range 30.00 A (--, -- symbols are displayed),
○ range 300.0 A (-- - , - symbols are displayed),

- fasten the clamp on the cord supplying power to the tested object,

- turn ON the tested object,

- read the results.

To exit this function, briefly press INRUSH▲ button.

6.5 HOLD ▼ button

6.5.1 HOLD function

This function is used to 'freeze' the measurement result on the display. To do this, briefly press HOLD ▶▼ button. When the function is enabled, the display shows symbol HOLD.

To return to the normal operation mode of the device, press HOLD 🎨 button again.

6.5.2 Wireless communication

The multimeter is equipped with a wireless data transfer mode for devices with installed Sonel Multimeter Mobile software. To enable the mode, long press HOLD 📁 button. The meter will be visible in the Bluetooth manager of any receiver device as CMP-3kR.

Details of cooperation with the mobile application are provided in Sonel Multimeter Mobile manual.

6.6 Deleting data in the memory of the meter

In order to delete data from the memory of the meter:

• enter the SETUP mode (sec. 6.2.2),
• press and hold LOG SEND button until you hear a beep,
• exit the SETUP mode.

7 Replacing the batteries

WARNING

To avoid electric shock, do not use the meter if the battery compartment cover is not in place or is not properly fastened.

CMP-3kR is powered by 2 AA 1.5 V batteries. It is recommended to use alkaline batteries.

To replace the battery:

• turn OFF the meter,
• disconnect the flexible probe,
• unscrew 1 screw fixing the compartment cover,
• remove the cover,
• remove the batteries and insert a new ones, observing the polarity,
• put on the cover and tighten the fixing screw.

• While performing the measurements with the battery symbol displayed, the user must be aware of additional measurement uncertainties or unstable operation of the device.
• If the meter does not work properly, check the batteries in order to ensure that they are proper condition and properly installed in the device.

8 Maintenance and care

The digital multimeter has been designed for many years of reliable use, provided that the following recommendations are observed for its maintenance and care:

1. THE METER MUST BE DRY. Wipe the dampened meter.

2. THE METER MUST BE USED AND STORED IN NORMAL TEMPERATURES. Extreme temperatures may shorten the life of electronic components and distort or melt plastic parts.

3. THE METER MUST BE HANDLED CAREFULLY AND GENTLY. Dropping the meter may damage its electronic elements or the housing.

4. THE METER MUST BE KEPT CLEAN. From time to time wipe the housing with a damp cloth. DO NOT use chemicals, solvents or detergents.

5. USE ONLY NEW BATTERIES OF RECOMMENDED SIZE AND TYPE. Remove the old or discharged batteries from the meter to avoid leakage and damage.

6. IF THE METER IS TO BE STORED FOR LONGER THAN 60 DAYS, remove the batteries and keep them separately.

The electronic system of the meter does not require maintenance.

9 Storage

During the storage of the device, the following recommendations must be observed:

• make sure that the meter and accessories are dry,
• when the device is to be stored for longer time, remove the batteries.

10 Dismantling and disposal

Worn-out electric and electronic equipment should be gathered selectively, i.e. it must not be placed with waste of another kind.

Worn-out electronic equipment should be sent to a collection point in accordance with the law of waste electrical and electronic equipment.

Before the equipment is sent to a collection point, do not dismantle any elements.

Observe local regulations concerning disposal of packages, waste batteries and accumulators.

11 Technical data

⇒ "m.v." means a standard measured value.

True RMS measurement for AC current

Range	Resolution	Accuracy
30.00 A	0.01 A	± (3.0% m.v. + 8 digits)
300.0 A	0.1 A	± (3.0% m.v. + 5 digits)
3000 A	1 A

• All AC current ranges are specified from 10% to 100% of range
  • Frequency range: 50 Hz...400 Hz

Additional measurement error, depending on the position of the clamp

The accuracy and position error is based on the assumption that the tested cable is in the optimal position, there are no extraneous electric and magnetic fields and the measurement takes place in the operating temperature range.

Location of clamp			The distance of the cable from the optimal position	Additional error
			A (35 mm)	1,0%
			B (50 mm)	1,5%
			C (60 mm)	2,0%

Frequency measurement

Range	Resolution	Accuracy
400.0 Hz	0.1 Hz	± (0.5% m.v. + 5 digits)

• Frequency range: 40 Hz...400 Hz
• Measurement from 30 A

Operating data

a) measurement category according to IEC 61010-1.... CAT IV 600 V (III 1000 V)
b) type of insulation ....double, Class II
c) housing type ....double-composite
d) degree of housing protection acc. to EN 60529 IP40
e) pollution degree 2
f) power supply of the meter 2x AA 1.5 V battery
g) indication for range exceeding ....OL symbol
h) low battery indication ....symbol
i) measurement rate ....3 measurements per second
j) INRUSH function
- sampling frequency....5 Hz (RMS)
- integration time....1 s
k) AC read-out .... True RMS
I) AC bandwidth 50..400 Hz
m) recorder memory
- capacity 86 400 samples
- sampling frequency....1 Hz
- maximum recording time ....24 h
n) display.... 4 digit LCD with backlit ....3000 counts with function indicators
o) dimensions....150 x 65 x 35 mm
p) flexible clamp dimensions 140 x 180 mm
q) meter weight 240 g
r) meter weight (without batteries) 180 g
s) operating temperature ....+5..+40°C
t) operating humidity ....../< 80%
u) storage temperature ....-20..+60°C
v) storage humidity ....../< 80%
w) drop test....2 m
x) maximum operating altitude 2000 m
y) Auto-Off function ....approx. 15 min
z) compliance with the requirements of the following standards....EN 61010-1 .....EN 61010-2-032, EN 61010-2-033, EN 61326
aa) quality standard ....ISO 9001

SONEL S.A. hereby declares that the radio device type CMP-3kR complies with Directive 2014/53/EU. The full text of the EU Declaration of Conformity is available at the following website address: https://sonel.pl/en/download/declaration-of-conformity/

Bluetooth specification

Version v4.0+EDR
Frequency range....2400 MHz...2483.5 MHz (ISM band)
Guard band 2 MHz < f < 3.5 MHz
Modulation method ......GFSK, 1 Mbps, 0.5 gauss
Receiving signal range ......-82...-20 dBm
Transmission power minimum....-18...+4 dBm

12 Manufacturer

The provider of guarantee and post-guarantee services is:

SONEL S.A.

Wokulskiego 11

58-100 Šwidnica

Poland

tel. [phone] (Customer Service)

e-mail: [e-mail]

web page: www.sonel.com

CAUTION!

Service repairs must be performed only by the manufacturer

MANUAL DE USO

MEDIDOR DE PINZA DIGITAL AC CON REGISTRADOR

CMP-3kR

CE

6.5 HOLD ▪▼-Taste 67