પરિચય
This manual provides essential information for the safe and effective operation of your Cen-Tech 7 Function Digital Multimeter. Please read this manual thoroughly before use and retain it for future reference.
મુખ્ય લક્ષણો
- Automatic zero adjust
- ઓવરરેન્જ સૂચક
- 2.5x second sampલે સમય
- ઓછી બેટરી સૂચક
- Fuse and diode protected circuit
- Easy-to-read 3-1/2" digital LCD
- Includes two 24" 18 gauge CCA test leads
- High impact housing with soft overmold for a comfortable grip
ઉત્પાદન ઓવરview
The Cen-Tech 7 Function Digital Multimeter is a versatile tool designed for checking home electrical systems and various other electrical measurements. It features a clear digital display and a rotary switch for selecting functions.

આકૃતિ 1: ફ્રન્ટ view of the Cen-Tech 7 Function Digital Multimeter in its retail packaging, showing the red multimeter with black and red test leads.

આકૃતિ 2: પાછળ view of the Cen-Tech 7 Function Digital Multimeter packaging, highlighting key features, specifications, and a Proposition 65 warning.
સેટઅપ અને બેટરી ઇન્સ્ટોલેશન
The multimeter requires one 9V battery for operation. Ensure the battery is correctly installed before first use.
- મલ્ટિમીટરની પાછળના ભાગમાં બેટરીનો ડબ્બો શોધો.
- બેટરી કમ્પાર્ટમેન્ટ કવર ખોલો.
- યોગ્ય ધ્રુવીયતા (+/-) અવલોકન કરીને, નવી 9V બેટરી દાખલ કરો.
- બેટરી કમ્પાર્ટમેન્ટ કવર સુરક્ષિત રીતે બંધ કરો.
Connect the included test leads to the appropriate jacks on the multimeter. The red lead typically connects to the positive (+) or VΩmA jack, and the black lead connects to the common (COM) jack.
ઓપરેટિંગ સૂચનાઓ
To operate the multimeter, turn the rotary switch to the desired function and range. The digital display will show the measurement. Always select a range higher than the expected measurement to avoid damaging the device.
માપન કાર્યો:
- ડીસી વોલ્યુમtage (DCV): Used for measuring direct current voltage. Select the appropriate DCV range (e.g., 200mV, 2V, 20V, 200V, 250V).
- એસી વોલ્યુમtagઇ (એસીવી): Used for measuring alternating current voltage. Select the appropriate ACV range (e.g., 200V, 250V).
- DC Current (DCA): Used for measuring direct current. Select the appropriate DCA range (e.g., 200µA, 2mA, 20mA, 200mA, 5A).
- પ્રતિકાર (Ω): Used for measuring electrical resistance in ohms. Select the appropriate Ohm range (e.g., 200Ω, 2KΩ, 20KΩ, 200KΩ, 2000KΩ).
- ડાયોડ ટેસ્ટ: Used to check the functionality of diodes.
- Transistor (hFE) Test: Used to measure the DC current gain of transistors.
For detailed instructions on specific measurement procedures, refer to specialized electrical guides or instructional videos. Always ensure proper safety precautions are followed when working with electricity.
જાળવણી
To ensure the longevity and accuracy of your multimeter, follow these maintenance guidelines:
- Keep the multimeter clean and dry. Wipe with a soft, damp કાપડ; ઘર્ષક ક્લીનર્સ અથવા સોલવન્ટનો ઉપયોગ કરશો નહીં.
- Replace the 9V battery when the low battery indicator appears on the display to ensure accurate readings.
- The circuit is fuse and diode protected. If the multimeter stops functioning correctly, check the internal fuse (refer to a qualified technician for fuse replacement if necessary).
- Store the multimeter in a cool, dry place away from direct sunlight and extreme temperatures.
મુશ્કેલીનિવારણ
If you encounter issues with your multimeter, consider the following common solutions:
- No display or dim display: Check and replace the 9V battery.
- "OL" or Overrange Indicator: The measured value exceeds the selected range. Switch to a higher range setting.
- Incorrect readings: Ensure test leads are properly connected, the correct function and range are selected, and the battery is not low.
- No continuity/resistance reading: Check if the test leads are damaged or if the internal fuse has blown.
For persistent issues or complex repairs, it is recommended to consult a qualified electrician or technician.
વિશિષ્ટતાઓ
| વિશેષતા | વિગત |
|---|---|
| બ્રાન્ડ | સેન-ટેક |
| મોડલ નંબર | 69096 |
| ઉત્પાદન પરિમાણો | 5 x 2.75 x 1 ઇંચ; 5.6 ઔંસ |
| વસ્તુનું વજન | 0.35 પાઉન્ડ |
| પાવર સ્ત્રોત | Battery Powered (1 x 9V battery required, included) |
| શૈલી | ડિજિટલ |
| રંગ | લાલ |
| એસી વોલ્યુમtage મહત્તમ | 250 વી |
| ડીસી વોલ્યુમtage મહત્તમ | 250V (200mV minimum) |
| DC Current Max | 5A (200µA minimum) |
| આવર્તન શ્રેણી | 45Hz થી 450Hz |
| પ્રતિકાર શ્રેણી | 200 ohms – 2000K ohms |
| Sampસમય | 2.5x પ્રતિ સેકન્ડ |
| ટેસ્ટ લીડ્સ | Two 24" 18 gauge CCA test leads included |
સલામતી માહિતી
ચેતવણી:
This product can expose you to chemicals including DINP, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Always exercise caution when working with electrical circuits. Do not attempt to measure voltages or currents beyond the specified maximums of this device. Ensure the multimeter is in good working condition before each use.
આધાર અને વોરંટી
For support or warranty information, please contact the manufacturer, Cen-Tech, or the distributor, Harbor Freight Tools. Specific warranty details are not provided in this manual.
Distributed by: Harbor Freight Tools, Camarillo, CA
Webસાઇટ: www.HarborFreight.com





