BENNING CM 2-1 True RMS Current Clamp Multimetro vartotojo vadovas

1. Įvadas

The BENNING CM 2-1 is a True RMS current clamp multimeter designed for precise electrical measurements in various applications. This device offers accurate current measurement up to 400 A AC/DC and voltage measurement up to 600 V AC/DC. Key features include an AutoV function with low input impedance (LoZ) to suppress reactive voltage and a low pass filter (HFR high frequency suppression) for measurements on clocked motor drives. It is rated for measurement categories CAT IV 300 V and CAT III 600 V, ensuring safety and reliability.

2. Saugos informacija

WARNING: Read and understand all safety information and operating instructions before using this instrument. Failure to follow these instructions could result in severe injury or death.

• Visada laikykitės vietinių ir nacionalinių saugos taisyklių.
• Do not use the multimeter if it appears damaged or if the insulation on the test leads is compromised.
• Prieš atlikdami bet kokius matavimus, įsitikinkite, kad pasirinkta tinkama funkcija ir diapazonas.
• Neviršykite jokių funkcijų maksimalių įvesties ribų.
• Dirbdami su volu, būkite atsargūstages above 30 V AC RMS, 42 V AC peak, or 60 V DC, as these pose a shock hazard.
• Always disconnect the test leads from the circuit before changing the function switch.
• Kad užtikrintumėte tikslius rodmenis, pakeiskite baterijas, kai pasirodys išsikrovusių baterijų indikatorius.
• The device is rated CAT IV 300 V and CAT III 600 V. Understand these categories and use the meter only in appropriate environments.

3. Pakuotės turinys

Išpakuodami patikrinkite, ar visos prekės yra ir nepažeistos:

• BENNING CM 2-1 True RMS Current Clamp Multimetras
• Protective carrying bag
• Bandymo laidų rinkinys (raudonas ir juodas)
• 2 AAA batteries (pre-installed or included separately)

Image 3.1: The BENNING CM 2-1 multimeter shown with its protective carrying bag and test leads.

4. Produktas baigtasview

The BENNING CM 2-1 features a compact design with a clear digital display, a rotary function switch, and control buttons for various measurement modes.

4.1. Valdikliai ir ekranas

• Clamp Žandikaulis: Bekontakčiam kintamosios/nuolatinės srovės matavimui.
• Sukamasis jungiklis: Selects measurement functions (OFF, LoZ, AutoV, V~, V-, Hz, Ω, A~, A-).
• HOLD/MIN MAX Button: Freezes the current reading or displays minimum/maximum values.
• AC/DC HFR/ZERO Button: Toggles between AC/DC current, activates the low pass filter (HFR), or zeros the DC current reading.
• Ekranas: Digital readout for measurement values, units, and indicators.
• Input Jacks (COM, VΩ): Tūrio matavimo laidų prijungimuitage, varža ir kiti matavimai.

5. Sąranka

5.1. Akumuliatoriaus įdėjimas

The BENNING CM 2-1 requires 2 AAA batteries. These are typically included with the device.

1. Įsitikinkite, kad multimetras yra IŠJUNGTAS.
2. Raskite baterijų skyrių įrenginio gale.
3. Baterijų skyriaus dangteliui atidaryti naudokite atsuktuvą.
4. Insert the 2 AAA batteries, observing the correct polarity (+/-) as indicated inside the compartment.
5. Uždėkite akumuliatoriaus skyriaus dangtelį ir pritvirtinkite jį varžtu.

6. Naudojimo instrukcijos

6.1. AC/DC Current Measurement (Clamp)

To measure AC or DC current without breaking the circuit:

1. Turn the rotary switch to the “A~” or “A-” position.
2. Press the AC/DC HFR/ZERO button to select AC or DC current if necessary. For DC current, press and hold to zero the display before measurement.
3. Atidarykite klamp jaw and enclose a single conductor. Ensure the jaw is fully closed.
4. Nuskaitykite dabartinę vertę ekrane.

Image 6.1: The multimeter measuring current by clamping around a single conductor in an electrical panel.

Image 6.2: A close-up of the BENNING CM 2-1 displaying a current measurement of 10.07 A.

6.2. AC/DC ttage Matavimas

AC arba DC voltage:

1. Insert the red test lead into the VΩ jack and the black test lead into the COM jack.
2. Turn the rotary switch to the “V~” for AC voltage or “V-” for DC voltage.
3. Prijunkite bandymo zondus prie matuojamos grandinės arba komponento.
4. Perskaitykite ttage reikšmė ekrane.

Image 6.3: The multimeter measuring voltage using test leads connected to terminals within an electrical cabinet.

Image 6.4: A close-up of the BENNING CM 2-1 displaying a voltage measurement of 124.00 V.

6.3. AutoV Function (LoZ)

The AutoV function with low input impedance (LoZ) helps to suppress 'ghost voltages' or 'reactive voltages' that can appear on unused wires or open circuits due to capacitive coupling. To use:

1. Insert the red test lead into the VΩ jack and the black test lead into the COM jack.
2. Turn the rotary switch to the “LoZ” position. The meter will automatically detect AC or DC voltage.
3. Prijunkite bandymo zondus per grandinę.
4. Perskaitykite ttage reikšmė ekrane.

6.4. Low Pass Filter (HFR)

The HFR (High Frequency Rejection) low pass filter is used for stable and accurate measurements on variable frequency drives (VFDs) or other noisy electrical environments. To activate:

1. Select the desired AC current (A~) or AC voltage (V~) funkcija.
2. Press and hold the AC/DC HFR/ZERO button until “HFR” appears on the display.
3. Proceed with your measurement as usual. The filter will suppress high-frequency noise components.

7. Priežiūra

7.1. Valymas

Nuvalykite dėklą su skelbimuamp šluoste ir švelniu plovikliu. Nenaudokite abrazyvinių medžiagų ar tirpiklių. Prieš naudodami įsitikinkite, kad prietaisas yra visiškai sausas.

7.2. Baterijos keitimas

When the low battery indicator appears on the display, replace the batteries promptly to ensure continued accurate operation. Refer to Section 5.1 for battery installation instructions.

8. Problemų sprendimas

• Nėra ekrano: Patikrinkite baterijų įdėjimą ir įkraukite jas. Jei reikia, pakeiskite baterijas.
• Neteisingi skaitymai: Ensure correct function and range are selected. Check test lead connections. Verify the clamp Žandikaulis yra visiškai uždarytas srovės matavimams.
• “OL” on Display: Indicates an overload (measurement exceeds the selected range). Select a higher range or ensure the input is within the device's specifications.
• Nestabilūs rodmenys: Ensure good contact with test probes. For current measurements, ensure only one conductor is within the clamp jaw. Consider using the HFR function in noisy environments.

9. Specifikacijos

10. Garantija ir palaikymas

BENNING products are manufactured to high-quality standards. For specific warranty information, please refer to the documentation provided with your purchase or visit the official BENNING website. For technical support, service, or inquiries, please contact your local BENNING distributor or customer service department.