Tekpower Mastech MS8268 Digitalni multimetar Uputstvo za upotrebu

Uvod

This manual provides detailed instructions for the safe and effective operation of your Tekpower Mastech MS8268 Digital Multimeter. The MS8268 is an auto/manual ranging digital multimeter designed for various electrical measurements. It features a backlit LCD screen and includes sound and light warnings for incorrect test lead connections, enhancing user safety and convenience.

Figure 1: Tekpower Mastech MS8268 Digital Multimeter. This image displays the front view of the multimeter, highlighting its display, function buttons, rotary dial, and input jacks.

Ključne karakteristike:

• Mjere AC/DC Voltage up to 1000V and AC/DC Current up to 10A.
• Measures Resistance up to 40MΩ, Capacitance up to 200µF, and Frequency up to 200KHz.
• Includes Diode Check, Continuity Test, and hFE (transistor) measurement.
• Non-Contact Voltage (NCV) detekcija za poboljšanu sigurnost.
• Automatic and manual ranging capabilities with relative measurement (excluding frequency).
• LED and sound warnings for incorrect test lead jack usage relative to the function switch setting.
• Blue LED backlit LCD display for clear readings in various lighting conditions.
• Automatic power-off function (can be disabled) to conserve battery life.
• All ranges are fused (resettable) for circuit protection.

Sigurnosne informacije

To ensure safe operation and avoid damage to the meter, please read and follow all safety instructions carefully. This device complies with IEC 1010-1 (61010-1@iec:2001), CAT II 1000V, and CAT III 600V safety standards.

Opće sigurnosne mjere:

• Uvijek se uvjerite da je multimetar postavljen na ispravnu funkciju i raspon prije bilo kakvog mjerenja.
• Nikad ne primjenjivati ​​voltage or current that exceeds the maximum specified limits for the selected range.
• Budite izuzetno oprezni pri radu sa strujnim kolima pod naponom. Visoka volumenizacijatagmože biti opasno.
• Do not use the meter if it appears damaged or if the test leads are compromised.
• Verify the meter's operation on a known voltage or current source before using it for critical measurements.
• Always connect the common (COM) test lead first and disconnect it last when measuring live circuits.
• Tokom mjerenja držite prste iza štitnika za prste na mjernim sondama.
• Replace batteries as soon as the low battery indicator appears to ensure accurate readings.
• Ne koristite mjerač u okruženjima eksplozivnog plina, pare ili prašine.
• Prijedlog 65 Upozorenje: Ovaj proizvod može sadržavati kemikalije za koje je u državi Kalifornija poznato da uzrokuju rak i urođene mane ili druge reproduktivne štete. Operite ruke nakon rukovanja.

Product Overview

Familiarize yourself with the components of your MS8268 Digital Multimeter before operation.

Figure 2: Labeled diagram of the MS8268 Multimeter. This diagram points out key features including the NCV sensing area, LCD region, function selection buttons, range selection, data hold, backlight, transistor input, rotary switch, and input jacks.

1. NCV Sensing Area: Used for non-contact voltage detekcija.
2. LCD Region: Digital display for measurement readings and unit symbols.
3. SEL Measure Function Selection: Button to select sub-functions within a rotary switch position (e.g., AC/DC, Diode/Continuity).
4. RANGE Manual Range Selection Button: Prebacuje se između automatskog i ručnog podešavanja raspona.
5. HOLD Data Control: Zamrzava trenutno očitavanje ekrana. Pritisnite ponovo za otpuštanje.
6. B/L Backlight Function: Activates the LCD backlight. Press again to turn off.
7. Transistor Input: Socket for hFE (transistor gain) measurements.
8. Gear Swift (Rotary Switch): Selects the primary measurement function (e.g., Voltage, Current, Resistance, NCV, OFF).
9. COM Jack: Zajednički (negativni) ulazni terminal za sva mjerenja.
10. VΩHzC Jack: Positive input terminal for Voltage, Resistance, Frequency, Capacitance, Diode, and Continuity measurements.
11. mA Priključak: Positive input terminal for current measurements up to 600mA.
12. Džek: Positive input terminal for current measurements up to 10A.

Slika 3: Detaljno view of the multimeter's operational areas. This image provides a closer look at the LCD, function buttons, rotary dial, and the clearly labeled input jacks with their respective current limits and safety ratings.

Setup

Instalacija baterije:

The MS8268 Multimeter requires three (3) AAA batteries for operation. Batteries are not included with the device.

1. Provjerite je li multimetar isključen.
2. Pronađite odjeljak za baterije na stražnjoj strani mjerača.
3. Unscrew the two Philips head screws securing the battery cover.
4. Skinite poklopac baterije.
5. Umetnite tri AAA baterije, pazeći na ispravan polaritet (+/-) kao što je naznačeno unutar odjeljka.
6. Vratite poklopac baterije i pričvrstite ga vijcima.

Slika 4: Natrag view of the multimeter, showing the integrated kickstand and the location of the battery compartment cover.

Priključak testnog kabla:

Always connect test leads to the appropriate jacks for the selected measurement function. The meter features an LED/sound warning system to alert you if leads are connected incorrectly.

• Spojite crni ispitni vod na COM (common) jack for all measurements.
• Za Voltage, Resistance, Frequency, Capacitance, Diode, and Continuity measurements, connect the red test lead to the VΩHzC Jack.
• For current measurements up to 600mA, connect the red test lead to the mA Jack.
• For current measurements up to 10A, connect the red test lead to the A Jack.

Figure 5: The MS8268 Multimeter shown with its included red and black test leads, ready for connection to the input jacks.

Uputstvo za upotrebu

This section details how to perform various measurements using your MS8268 Multimeter.

1. Measuring DC/AC Voltage (V):

1. Turn the rotary switch to the "V" position (DC Voltage) or "mV" position (millivolts).
2. Za AC Voltage, pritisnite taster SEL button to toggle between DC and AC modes if necessary. The display will show "AC" or "DC".
3. Spojite crni ispitni vod na COM utičnicu i crveni ispitni kabel do VΩHzC Jack.
4. Spojite mjerne sonde paralelno na strujno kolo ili komponentu koju želite mjeriti.
5. Pročitajte voltage vrijednost na LCD -u.

2. Measuring DC/AC Current (A, mA, µA):

1. Turn the rotary switch to the "A", "mA", or "µA" position depending on the expected current range.
2. For AC Current, press the SEL button to toggle between DC and AC modes if necessary.
3. Spojite crni ispitni vod na COM Jack.
4. Priključite crveni ispitni vod na mA jack for currents up to 600mA, or to the A jack for currents up to 10A.
5. Oprez: Always connect the meter in series with the circuit. Never connect it in parallel to a voltage source when measuring current, as this can blow the fuse or damage the meter.
6. Očitajte trenutnu vrijednost na LCD ekranu.

3. Measuring Resistance (Ω):

1. Turn the rotary switch to the "Ω" position.
2. Spojite crni ispitni vod na COM utičnicu i crveni ispitni kabel do VΩHzC Jack.
3. Prije mjerenja otpora provjerite je li strujno kolo ili komponenta bez napona.
4. Spojite ispitne sonde preko komponente.
5. Očitajte vrijednost otpora na LCD ekranu.

4. Measuring Capacitance (F):

1. Turn the rotary switch to the "F" position.
2. Spojite crni ispitni vod na COM utičnicu i crveni ispitni kabel do VΩHzC Jack.
3. Prije mjerenja provjerite je li kondenzator potpuno ispražnjen kako biste spriječili oštećenje mjerača.
4. Povežite ispitne sonde preko kondenzatora.
5. Pročitajte vrijednost kapacitivnosti na LCD-u.

5. Measuring Frequency (Hz):

1. Turn the rotary switch to the "Hz" position.
2. Spojite crni ispitni vod na COM utičnicu i crveni ispitni kabel do VΩHzC Jack.
3. Connect the test probes to the signal source.
4. Očitajte vrijednost frekvencije na LCD ekranu.

6. Diode Test and Continuity Check:

1. Turn the rotary switch to the "Diode/Continuity" position (often shared with resistance).
2. Pritisnite SEL button to toggle between Diode Test and Continuity Check modes.
3. Spojite crni ispitni vod na COM utičnicu i crveni ispitni kabel do VΩHzC Jack.
4. Za testiranje diode: Spojite crvenu sondu na anodu, a crnu sondu na katodu diode. Naprijed volt...tage drop will be displayed. Reverse the probes; the display should show "OL" (Open Loop) for a good diode.
5. For Continuity Check: Connect the probes across the circuit or component. If continuity exists (resistance below approximately 50Ω), the meter will emit an audible beep.

7. hFE (Transistor Gain) Measurement:

1. Turn the rotary switch to the "hFE" position.
2. Odredite da li je tranzistor NPN ili PNP.
3. Insert the transistor leads (Emitter, Base, Collector) into the corresponding holes in the "Transistor Input" socket (7 on Figure 2).
4. Read the hFE value on the LCD.

8. Non-Contact VoltagDetekcija e (NCV):

1. Turn the rotary switch to the "NCV" position.
2. Move the top part of the meter (NCV Sensing Area, 1 on Figure 2) close to the conductor or circuit you want to test for AC voltage.
3. The meter will emit an audible beep and/or display an indication when AC voltage se detektuje bez direktnog kontakta.

9. Auto/Manual Ranging:

The meter defaults to auto-ranging. To switch to manual ranging, press the RANGE button (4 on Figure 2). Each subsequent press will cycle through available manual ranges. To return to auto-ranging, press and hold the RANGE button or turn the rotary switch to a different function and then back.

10. Data Hold:

Pritisnite HOLD button (5 on Figure 2) to freeze the current reading on the display. Press it again to release the hold function and resume live readings.

11. Backlight:

Pritisnite B / L button (6 on Figure 2) to activate the blue LED backlight for the LCD. Press it again to turn off the backlight. The backlight may automatically turn off after a short period to conserve battery life.

Održavanje

Zamjena osigurača:

The MS8268 Multimeter is protected by resettable fuses. If the meter fails to measure current, the fuse may need replacement. Always use fuses of the specified type and rating.

• FUSED MAX 10A: Za strujni opseg od 10A.
• FUSED MAX 600mA: For the mA and µA current ranges.

Da biste zamijenili osigurač:

1. Ensure the meter is turned OFF and all test leads are disconnected.
2. Unscrew the battery cover and remove the batteries.
3. Carefully open the meter casing (refer to the internal diagram if available, or consult a qualified technician).
4. Locate the blown fuse and replace it with a fuse of the identical type and rating.
5. Ponovo sastavite mjerač, pazeći da su svi vijci zategnuti.

čišćenje:

Obrišite c mjeračaasing s oglasomamp krpom i blagim deterdžentom. Ne koristite abrazivna sredstva ili rastvarače. Prije upotrebe provjerite je li mjerač potpuno suh.

Skladištenje:

When the meter is not in use for an extended period, remove the batteries to prevent leakage. Store the meter in a cool, dry place, away from direct sunlight and extreme temperatures.

Rješavanje problema

• Mjerač se ne uključuje: Provjerite jesu li baterije ispravno postavljene i uvjerite se da nisu ispražnjene. Zamijenite ih ako je potrebno.
• Inaccurate or "0000" readings:
  • Ensure test leads are fully seated in the correct input jacks. The meter's warning system should alert you if they are not.
  • Verify the rotary switch is set to the appropriate function and range.
  • For resistance measurements, ensure the circuit is de-energized.
  • If the meter displays "0000" or inconsistent readings, try turning the meter OFF and then ON again to reset it.
  • Check for blown fuses if measuring current.
• Bez pozadinskog osvjetljenja: Press the B/L button. If it still doesn't light, check battery level.
• Auto power-off too soon: The auto power-off feature can be disabled (refer to advanced settings in a full manual if available, or typically by holding a specific button during power-on). The meter will beep before shutting off.

Specifikacije

Garancija i podrška

The Tekpower Mastech MS8268 Digital Multimeter comes with a 1 godine garancije od datuma kupovine, pokrivajući nedostatke u materijalu i izradi.

For technical support, warranty claims, or service inquiries, please contact the manufacturer or your point of purchase. Please have your model number (MS8268) and purchase date available when contacting support.

• Brand: Tekpower
• Proizvođač: RSR Electronics Inc