Boky Torolàlana ho an'ny Multimeter nomerika Mastech MS8250D

1. Fampidirana

The Mastech MS8250D is a high-performance digital multimeter designed for accurate measurement of AC/DC voltage, AC/DC current, resistance, capacitance, frequency, and temperature. It features a 6600-count display, auto/manual ranging, True RMS, Non-Contact Voltage (NCV) detection, diode and continuity testing, and a USB interface for PC connectivity. This manual provides detailed instructions for safe and effective use of the device.

Lafin-javatra fototra:

• 6600-count digital display
• Automatic and Manual Ranging
• Fandrefesana marina RMS
• Tsy mifandray Voltage (NCV).
• Diode and Continuity Tester (buzzer < 50Ω)
• MAX/MIN value recording
• Fampiasana fitazonana data
• Asehoy ny Backlight
• Auto Power maty
• Fomba fandrefesana Relative
• Famaritana ny bateria ambany
• USB Interface for Windows OS

2. Information momba ny fiarovana

FAMPITANDREMANA: To avoid electric shock or personal injury, and to avoid damage to the meter or to the equipment under test, read all safety information carefully before using the meter. This device complies with CE, RoHS, and UL safety standards.

• Ataovy azo antoka foana fa ao anatin'ny toe-javatra tsara ireo tariby fitsapana ary mifandray tsara.
• Aza mihatra mihoatra ny naoty voltage, araka ny marika eo amin'ny metatra, eo anelanelan'ny terminal na eo anelanelan'ny terminal sy ny tany.
• Mitandrema rehefa miasa amin'ny voltagmihoatra ny 30V AC RMS, 42V peak, na 60V DC. Ireo voltagmiteraka loza mitatao.
• Before measuring current, ensure the circuit is de-energized and the meter is connected in series.
• Esory amin'ny faritra foana ny taribin'ny fitsapana alohan'ny hanovana ny fiasa na ny elanelana.
• Aza ampiasaina ny metatra raha toa ka simba izy io na raha misokatra ny fonony.
• Soloy ny bateria raha vao miseho ny famantarana ny bateria ambany mba hahazoana antoka fa marina ny famakiana.
• Adhere to the specified measurement categories (CAT III 1000V / CAT IV 600V) for safe operation.

3. Vokatra mihoatraview

Familiarize yourself with the components of your Mastech MS8250D Digital Multimeter.

Sary 3.1: anoloana view of the Mastech MS8250D Digital Multimeter, showing the display, function dial, and input jacks. The display shows "1.987 V", indicating a voltage measurement. The function dial is set to T-RMS. Input jacks are labeled for µA mA, A, VΩHz%, and COM.

Ireo singa lehibe:

• LCD Display: Mampiseho ny fandrefesana vakina, singa ary tondro fiasa.
• Dial miasa: Used to select the desired measurement function (e.g., Voltage, Current, Resistance, Diode, Continuity, Temperature).
• Bokotra miasa:
  • HATAO: Mampiato ny famakiana aseho amin'izao fotoana izao.
  • RANGE: Switches between auto and manual ranging.
  • REL: Activates relative measurement mode.
  • MAX / MIN: Records maximum and minimum values.
  • FUNC: Mifidy asa madinika ao anatin'ny toerana misy ny dial (oh: AC/DC, Diode/Continuity).
  • T-RMS: (Indicated on dial) True RMS measurement.
  • NCV: Tsy mifandray Voltage detection.
  • bokotra backlight: Activates display backlight.
• Input Jacks:
  • COM: Terminal iraisana ho an'ny fandrefesana rehetra (tariby ratsy).
  • VΩHz%: Fampidirana ho an'ny voltage, resistance, frequency, capacitance, and diode/continuity measurements (positive lead).
  • µA mA: Input for microampere and milliampere current measurements (positive lead). Fused for protection.
  • A: Fampidirana ho an'ny ampere current measurements (positive lead). Fused for protection.

Anisan'ny singa:

Sary 3.2: Diagram showing the Mastech MS8250D Multimeter and its included accessories. The image also illustrates typical applications in domestic, industrial, and electronics settings.

• Multimeter nomerika Mastech MS8250D
• Fitarihana fitsapana (Mena sy Mainty)
• Batterie 9V 6F22 1x (efa napetraka mialoha na miaraka misaraka)
• USB Interface Cable
• Software CD (for Windows OS)
• Certificat de calibration
• Torolàlana fanombohana haingana

4. Fametrahana

4.1 Fametrahana bateria

The MS8250D requires one 9V 6F22 battery for operation. Two LR44 batteries are also mentioned in specifications, likely for a different internal component or an error in data. For the main power, use the 9V battery.

1. Ataovy azo antoka fa maty ny multimeter.
2. Tadiavo ao ambadiky ny metatra ny fonon'ny fitoeran'ny bateria.
3. Ampiasao ny tournevis mba hamahana ny visy mihazona ny fonony.
4. Esory ny fonony.
5. Connect the 9V battery to the battery clips, observing correct polarity (+ and -).
6. Apetraho ao amin'ny efitrano ny bateria.
7. Avereno apetraka ny fonon'ny fitoeran'ny bateria ary hamafiso amin'ny visy.

Fanamarihana: The meter also uses 2 LR44 batteries, which are typically included and pre-installed for specific functions like the backlight or non-contact voltage detection. Refer to the quick-start guide for specific details on these smaller batteries if replacement is needed.

4.2 Fampifandraisana ireo mpitarika fitsapana

Ampifandraiso amin'ny COM jack foana ny tariby fitsapana mainty. Ampifandraiso amin'ny jack fidirana mifanaraka amin'izany ny tariby fitsapana mena arakaraka ny karazana fandrefesana:

• Ho an'ny Voltage, Resistance, Capacitance, Frequency, Diode, and Continuity measurements: Connect the red lead to the VΩHz% jack.
• For Current measurements (µA or mA): Connect the red lead to the µA mA jack.
• For High Current measurements (A): Connect the red lead to the A jack.

Ensure the test leads are fully inserted into the jacks.

5. Torolàlana miasa

5.1 Power On/off

To turn the meter ON, rotate the function dial from the "OFF" position to any desired measurement function. To turn the meter OFF, rotate the function dial back to the "OFF" position.

The meter features an Auto Power maty function to conserve battery life. It will automatically power off after a period of inactivity. To disable or re-enable this feature, refer to the quick-start guide or the full user manual provided on the software CD.

5.2 Auto Ranging and Manual Ranging

The MS8250D defaults to Fiara mandeha fiara, which automatically selects the best measurement range. Press the Range bokotra hifindra mankany Manual Ranging. In manual ranging, each press of the Range button cycles through available ranges. To return to auto ranging, press and hold the Range bokotra.

5.3 Fandrefesana AC/DC Voltage (V)

1. Apetraho amin'ny V~ (AC Voltage) na V- (DC Voltage) toerana.
2. Ampifandraiso amin'ny tariby fitsapana mainty ny fr jack sy ny taribin'ny fitsapana mena mankany amin'ny VΩHz% jack.
3. Ampifandraiso manerana ny faritra na ny singa izay horefesina ireo probe fitsapana.
4. Vakio ny voltage value on the display. The meter will automatically detect AC or DC if the dial is set to the combined V position, or you can use the FUNC button to toggle between AC and DC if available on your model.

5.4 Measuring AC/DC Current (A, mA, µA)

FAMPITANDREMANA: Aza ampifandraisina mifanitsy amin'ny volta mihitsy ny metatra.tagloharano rehefa mandrefy ny herinaratra. Mety handrava ny fuse na hanimba ny metatra izany.

1. Atsaharo ny herinaratra mankany amin'ny circuit.
2. Apetraho amin'ny A~ (AC Current), A- (DC Current), mA~, mA-, µA~, na µA- toerana.
3. Ampifandraiso amin'ny tariby fitsapana mainty ny fr jack.
4. Ampifandraiso amin'ny tariby fitsapana mena ny A jack for high current, or µA mA jack for low current.
5. Open the circuit where the current is to be measured and connect the meter in series with the load.
6. Ampiharo hery amin'ny circuit.
7. Read the current value on the display. Use the FUNC button to toggle between AC and DC if needed.

5.5 Fandrefesana ny fanoherana (Ω)

1. Apetraho amin'ny Ω toerana.
2. Ampifandraiso amin'ny tariby fitsapana mainty ny fr jack sy ny taribin'ny fitsapana mena mankany amin'ny VΩHz% jack.
3. Ataovy azo antoka fa tsy misy herinaratra ao amin'ny faritra na ny singa andramana.
4. Ampifandraiso manerana ny singa ireo fitaovana fitsapana.
5. Vakio ny sandan'ny fanoherana eo amin'ny fampisehoana.

5.6 Diode Test and Continuity Test

1. Apetraho amin'ny Diode / Continuity position (often shared with resistance or capacitance).
2. Ampifandraiso amin'ny tariby fitsapana mainty ny fr jack sy ny taribin'ny fitsapana mena mankany amin'ny VΩHz% jack.
3. Ampiasao ny FUNC button to select between Diode Test and Continuity Test.
4. For Diode Test: Ampifandraiso amin'ny anode ny probe mena ary amin'ny cathode an'ny diode ny probe mainty. Hampiseho ny voltase mandroso ny fampisehoana.tage drop (typically 0.5V to 0.8V for silicon diodes). Reversing the probes should show "OL" (Open Loop).
5. Ho an'ny fitsapana mitohy: Connect the probes across the circuit or component. If resistance is less than approximately 50Ω, the buzzer will sound, indicating continuity.

5.7 Measuring Capacitance (F)

1. Apetraho amin'ny Capacitance position (often shared with resistance or diode).
2. Ampifandraiso amin'ny tariby fitsapana mainty ny fr jack sy ny taribin'ny fitsapana mena mankany amin'ny VΩHz% jack.
3. Ensure the capacitor is fully discharged before testing to avoid damage to the meter.
4. Ampifandraiso amin'ny terminalin'ny capacitor ireo probe fitsapana.
5. Vakio ny sandan'ny capacitance eo amin'ny efijery.

5.8 Measuring Frequency (Hz) and Duty Cycle (%)

1. Apetraho amin'ny Hz% position (often shared with voltagary).
2. Ampifandraiso amin'ny tariby fitsapana mainty ny fr jack sy ny taribin'ny fitsapana mena mankany amin'ny VΩHz% jack.
3. Ampifandraiso amin'ny loharanon'ny famantarana ireo fitaovana fitsapana.
4. The display will show the frequency. Press the FUNC button to toggle to Duty Cycle measurement if available.

5.9 Non-Contact Voltage (NCV) Detection

1. Apetraho amin'ny NCV toerana.
2. Hold the meter with the NCV sensor (usually at the top of the meter) near a live AC voltage loharano.
3. Hanondro ny fisian'ny voltase AC ny metatratage through an audible beep and/or visual indicator (e.g., LED).

5.10 USB Interface (Windows OS)

The MS8250D includes a USB interface for connecting to a computer running Windows OS. This allows for data logging and real-time monitoring of measurements. Install the provided software from the CD and follow the on-screen instructions for driver installation and software usage.

6. Fikojakojana

6.1 Fanadiovana

Fafao amin'ny doka ny fonon'ny metatraamp lamba sy savony malefaka. Aza mampiasa akora manimba na ranoka solvent. Ataovy azo antoka fa maina tanteraka ny metatra alohan'ny hampiasana azy.

6.2 Fanoloana bateria

When the low battery indicator appears on the display, replace the 9V battery immediately to ensure accurate readings. Follow the steps in Section 4.1 Battery Installation.

6.3 Fanoloana fuse

If the meter fails to measure current, the fuse may be blown. Fuses are located inside the meter. To replace a fuse:

1. Ensure the meter is turned OFF and all test leads are disconnected.
2. Open the battery compartment cover (and potentially the main case, depending on design).
3. Esory tsara ilay fingotra taloha.
4. Replace with a fuse of the exact same type and rating (e.g., F600mA/250V for mA/µA range, F10A/250V for A range). Refer to the meter's internal markings or the full manual for specific fuse ratings.
5. Reassemble the meter, ensuring all screws are tightened.

FAMPITANDREMANA: Never use a fuse with a different rating or bypass the fuse. This can damage the meter and pose a serious safety hazard.

7. Famahana olana

8. Famaritana

The following table details the technical specifications of the Mastech MS8250D Digital Multimeter.

Sary 8.1: Detailed specifications table for the Mastech MS8250D, outlining ranges, resolutions, and accuracies for various measurement functions.

Famaritana ankapobeny:

• Aseho: 6600 isa
• Loharano herinaratra: 1x 9V 6F22 Battery (main power), 2x LR44 batteries (auxiliary, e.g., backlight)
• Mandeha mandeha ho azy: ENY
• True RMS: ENY
• Tsy mifandray Voltage (NCV) Detector: ENY
• Diode Misokatra Voltage: 3.2V
• Fampitandremana momba ny fitohizana: <50Ω
• MAX / MIN: ENY
• Mitazona data: ENY
• Low Battery Display: ENY
• Asehoy ny jiro aoriana: ENY
• USB Interface: Yes (Windows OS)
• Naoty fiarovana: CAT III 1000V / CAT IV 600V
• Fahamarinana fandrefesana: 0.4% (general, specific accuracies per function in table)
• Operating Voltage (Min): 3.2 Volts
• Naoty ambony maripana: 50 degre Celsius
• refy (L x W x H): 20 x 15 x 25 cm
• Lanja entana: 1 kg
• Fitaovana: Acrylonitrile Butadiene Styrene (ABS)
• loko: Manga
• Mpanamboatra: MASTECH
• Firenena nihaviana: TAÏWAN
• Certifications: CE, RoHS, UL

9. Warranty sy fanohanana

Mastech products are designed for reliability and durability. For specific warranty information, please refer to the warranty card included with your product or contact Mastech customer support directly. Typically, Mastech offers a limited warranty against defects in materials and workmanship.

For technical support, troubleshooting assistance, or warranty claims, please contact your authorized Mastech dealer or visit the official Mastech webtranokala momba ny fifandraisana.

Faharetan'ny fisian'ny kojakoja EU: 1 taona