PROBIX - Measuring equipment METRIX - Free user manual and instructions

Product Type	Current clamp for oscilloscope with Hall effect sensor
Brand	Metrix
Model	PROBIX (accessory HX0034B)
Dimensions	138 x 49 x 28 mm
Weight	Approx. 160 g
Power Supply	Powered by the oscilloscope via connecting cable, 4 VDC / 23 mA
Nominal Range	80 A peak (57 A RMS)
Output/Input Ratio	20 mV/A
Bandwidth	500 kHz @ -1dB / 1 MHz @ -3dB
Resolution	10 mA
Error (0-45 A peak)	± 1.5 % ± 10 mA
Error (45-80 A peak)	± 4 %
Output voltage at zero current	± 0.3 mV DC (i.e. ± 15 mA DC)
Main Functions	Measurement of DC or AC current up to 80 A peak, isolated output, automatic zero (offset) compensation
Maintenance and Cleaning	Clean the air gaps with a soft lint-free cloth; housing with a cloth and soapy water, rinse, dry. Do not immerse.
Safety	Double insulation, cat. II 600V / cat. III 300V, do not use on uninsulated conductors at potential >600V, avoid high frequency currents >4 Aeff @ 1 MHz
Spare Parts and Repairability	Annual calibration check by an approved organization. No spare parts mentioned.
General Information	User manual in French, 17 pages, available for download. Brand Metrix, model PROBIX.

Frequently Asked Questions - PROBIX METRIX

How to use the PROBIX clamp with a SCOPIX oscilloscope ?

Connect the clamp to the SCOPIX oscilloscope via the connecting cable. The device automatically recognizes the clamp and displays the unit in A/div. Use the programmable buttons A and B for settings. Perform the offset compensation by pressing the 'Offset' button in the absence of current.

What safety precautions should be observed?

Never use on uninsulated conductors at a potential >600 V relative to earth. Respect the categories: Cat. II 600 V and Cat. III 300 V. Avoid high frequency currents >4 Aeff @ 1 MHz. Use only indoors, altitude <2000 m, pollution degree 2.

How to perform zero (offset) compensation?

Press the 'Offset' push button located on the side of the clamp. The oscilloscope emits a beep to indicate the end of compensation. This operation must be performed in the absence of current, but a residual DC current is accepted (the offset is then performed relative to this current).

What is the procedure for measuring a current?

1. Connect the clamp to the oscilloscope. 2. Compensate the offset. 3. Operate the trigger to open the jaws. 4. Clamp around the conductor respecting the current direction. 5. Close the clamp and center the conductor. 6. Read the measurement on the oscilloscope.

What are the ranges and bandwidth?

Nominal range: 80 A peak (57 A RMS). Output/input ratio: 20 mV/A. Bandwidth: 500 kHz @ -1dB or 1 MHz @ -3dB. Resolution: 10 mA.

How to maintain the clamp?

Clean the air gaps of the magnetic circuit with a soft lint-free cloth. For the housing, use a damp cloth with soapy water, rinse with clean water and dry. Never let water run onto the clamp. Have the calibration checked annually by an approved organization.

What to do in case of measurement fault?

Check the connection to the oscilloscope, the offset compensation, the position of the conductor centered in the jaws, and the absence of external magnetic field. If the problem persists, contact Chauvin Arnoux support ([e-mail]).

Can I measure high frequency currents?

Yes, but with limitations: at 100 kHz, max 40 A RMS; at 0.5 MHz, max 8 A RMS; at 1 MHz, max 4 A RMS. Beyond 4 Aeff @ 1 MHz, risk of burns and deformation of the jaws.

What is the maximum allowable voltage?

The clamp is designed for double insulation. Maximum voltage relative to earth: 600 V in Cat. II and 300 V in Cat. III. Do not exceed these limits.

Where to find the complete manual?

The manual is available for free download on notice-facile.com, in PDF format, in French and other languages. It includes 17 pages with detailed instructions.

USER MANUAL PROBIX METRIX

Line drawing of a mechanical device with no visible text or symbols

PINCE AMPEREMETRIQUE

AMMETER CLAMP

ZANGEN AMPEREMETER

PINZA AMPEROMETRICA

PINZA AMPERIMETRICA

ProbiX

Français

1. Généralités

The HX0034B accessory is a current clamp for oscilloscopes using a Hall-effect cell to measure DC or AC currents up to 80 A peak, without any intervention on the electrical installation. This clamp, which is a voltage output transducer, is a PLUG and PLAY device used as an accessory for the Scopix portable oscilloscopes. Its internal electronics is supplied by the oscilloscope, via the power supply cord. The measurement output is totally insulated.

2. Safety

Never perform measurements on conductors with a potential greater than 600 V in relation to the earth. This clamp is protected by double insulation or reinforced insulation. It does not have to be connected to the earth protection terminal for electrical safety. This clamp is designed for indoor use at an altitude < 2,000 m in an environment with pollution level 2. This clamp can be used for measurements on Cat. II installations up to 600 V and on Cat. III installations up to 300 V. Do not use this clamp on conductors carrying high-frequency currents greater than 4 A rms @ 1 MHz : risk of burning and deformation of the clamp jaws. The protection ensured by this clamp can be compromised if it is used in a way which is not specified.

3. Functional description

Protective barrier Integrated cable outlet A B Conductor position Jaw Trigger for opening

There are three pushbuttons on the side of the clamp:

- Pushbuttons A and B can be programmed using the vertical menu of the SCOPIX oscilloscope to activate commands. Example: incrementation/decrementation of the vertical sensitivity, the time base, display of the automatic measurements, etc. Refer to the user's manual of the SCOPIX oscilloscope.

- The "Offset" automatically calibrates the zero DC of the clamp. The end of this process is indicated by an audio "beep" from the oscilloscope. In "Multimeter" mode, SCOPIX eliminates the residual current.

4. Implementation

- Do not use the clamp outdoors.

- Do not exceed 300 V (Cat. III) or 600 V (Cat. II) in relation to the earth of a non-insulated conductor (double insulation).

- Use the clamp on conductors in which the current is less than or equal to the maximum value in continuous operation, i.e. 80 A peak.

- Protect the clamp against falls and splashing with water.

5. Use

1. This clamp must be connected to the associated oscilloscope before performing any current measurements. It must not be disconnected during measurement.

2. Connect the clamp to the oscilloscope: it is recognized by the instrument and the unit is displayed in A/div. on the SCOPIX oscilloscope's screen.

3. Adjust the offset by pressing the "Offset" button. The offset can be performed only without current. However, the presence of a DC current is accepted. In this case, the offset will be performed in relation to this initial current.

4. Use the trigger to open the jaws of the clamp and then place them around the conductor, taking into account the current direction.

5. Close the clamp. Make sure that it is properly closed and centred on the conductor for optimum measurement accuracy.

6. Specifications

■ Reference conditons

Parameter	Reference conditions
Power supply voltage	4 VDC ± 13 % external 23 mA
Start-up before measurement	1 minute
Ambient temperature	23°C ± 5°C
Humidity	20 % RH to 75 % RH
Frequency	DC at 400 Hz
Conductor position	centred in jaws
External AC magnetic field	no field
External DC magnetic field	< 40 A/m (earth field)
Measuring device impedance	1 MΩ and C < 100 pF

Values

Parameters	Value
Nominal calibre	80 A peak (or 57 A RMS)
Input/output ratio	20 mV/A
Resolution	10 mA
Error in % of measurement	0 to 45 A peak (or 31.8 A RMS) ± 1.5% ± 10 mA	45 to 80 A peak ± 4%
Phase error at 50 Hz	0 to 45 A peak (or 31.8 A RMS) ± 1^	45 to 80 A peak ± 1^
Bandwidth	500 kHz @ -1dB or 1 MHz @ -3dB
Derating in frequency (*)	40 A RMS max. @ 100 kHz - 8 A RMS max. @ 0,5 MHz4 A RMS max. @ 1 MHz
Rise time	350 ns from 10 to 90 %
Output voltage for Ip = 0 (**)	± 0.3 mVdc i. e. ± 15 mAdc
Power supply current	typically 23 mA (20 to 25 mA)

(*) Ambient temperature : 40°C max.
(**) after zero offset

■ Mechanical specifications

Dimensions : 138 x 49 x 28 mm

Weight : approx. 160 g

■ Environmental conditions

Operating temperature (clamp only) : -10°C to +55°C

■ Safety compliance

IEC 61326-1 EMC

IEC 61010-2-032 : Safety rules

7. Maintenance

Before any maintenance operations, the clamp must be disengaged from the conductor and must be disconnected from the external device to which it is linked.

- Maintenance of the magnetic circuit

Keep the clamp jaws as clean as possible. If necessary, clean them using a soft, lint-free cloth.

- Cleaning of the casing

Clean the clamp with a cloth and soapy water. Rinse off with a cloth moistened with clean water. Never allow the clamp to come into contact with water. Dry using a dry cloth or pulsed air (max. temperature +70°C).

- Calibration verification

Annual verification of the measurement characteristics by an approved organization.

1. Beschreibung

Our international contacts

www.chauvin-armoux.com/contacts

CHAUVIN® ARNOUX

CHALVIN GROUP