1. Introduction
The Victor 3010 series analog multimeters are high-accuracy instruments designed for various electrical measurements. These multimeters feature a clear pointer display and a robust design, making them suitable for electricians and hobbyists alike. The safety performance meets CAT III 600V standards. This manual provides detailed instructions for the safe and effective use of your multimeter.
The multimeter offers 24 ranges and can measure DC voltage, AC voltage, DC current, and resistance. It also includes diode test, triode test, battery test, and continuity buzzer functions.
2. Package Contents
Upon opening your package, please verify that all the following items are included:
- Color box
- Pointer multimeter (Victor 3010, 3021, or 7244 depending on model purchased)
- Test probes (red and black)
- Product manual (this document)
- Product certificate


3. Product Overview
Familiarize yourself with the components and controls of your Victor analog multimeter.

3.1. Panel Introduction (Victor 3010)
- Dial: Displays measurement readings.
- Mechanical zero adjuster: Knob to correct the zero position of the gauge needle at the left end for accurate measurement.
- mA current jack
- Gear knob: Rotary switch to select measurement function and range.
- Common input terminal (-COM): For black test lead.
- Resistance zero adjuster (0Ω ADJ): Adjusts the zero position of the meter needle for resistance measurements.
- Triode socket (hFE): For transistor testing.
- Voltage/low resistance/mA current jack (VΩmA+): For red test lead.
- Resistance scale mark
- DC V/A and AC V scale marks
- AC 10V scale mark
- Diode forward current and forward voltage scale
- Audio level scale mark
- Mirror slot: Helps reduce parallax error when reading the dial.
- Triode scale mark
- Diode forward voltage scale

3.2. Functional Features
- Magnetoelectric DC ammeter dial design with high measurement sensitivity.
- Equipped with a mechanical zero adjustment knob for precise zero correction.
- Special resistance zero adjuster for accurate resistance measurements.
- Capable of measuring high resistance under low voltage (maximum 20M Ω).
- Overload protection line can reach 230V at most.
- Audio level measurement function.
- New battery box design for convenient battery or fuse replacement.

Built-in Fuses:
- 0.5A/250V (Φ5.2mm×20mm)
- 10A/250V (Φ5mm×20mm)
4. Specifications
| Feature | Specification (Model 3010) | Specification (Model 3021) | Specification (Model 7244) |
|---|---|---|---|
| Operating Mode | Manual Range | Manual Range | Manual Range |
| Operating Temperature | 0 - 40 ℃ | 0 - 40 ℃ | 0 - 40 ℃ |
| DIY Supplies | Electrical | Electrical | Electrical |
| Certification | CE | CE | CE |
| Origin | Mainland China | Mainland China | Mainland China |
| Dimensions | 160*101.5*40mm | 160*101.5*40mm | 160*101.5*40mm |
| Display Type | Pointer Display | Pointer Display | Pointer Display |
| Accuracy | ±3% against full scale | ±3% against full scale | ±3% against full scale |
| DC Voltage (DCV) | 2.5/10/25/50/250/1000V | 0.1/0.5/2.5/10/50/250/1000V | 0.1/0.5/2.5/10/50/250/500V |
| AC Voltage (ACV) | 10/50/250/1000V | 10/50/250/1000V | 10/50/250/500V |
| DC Current (DCA) | 50μA /0.5/5/50/500mA/10A | 50μA /0.5/5/50/500mA/10A | 50μA /2.5mA/25mA/0.25A/10A |
| Resistance | x1/x10/x100/x1k /x10kΩ | x1/x10/x100/x1k /x10kΩ | x1/x10/x100/x1kΩ |
| Diode Test | Yes | Yes | Yes |
| Triode Test | Yes | Yes | No |
| Dry Cell Measurement | No | Yes | No |
| Audio Level Measurement dB | Yes | Yes | Yes |
| On/Off Test (Continuity) | Yes | Yes | Yes |
| Line Protection | Yes | Yes | Yes |
| Input Impedance | (9~20)kΩ | (9~20)kΩ | (9~20)kΩ |
| Power Supply | AAA, 9V | AAA, 9V | AAA, 9V |
| Body Color | Black+orange | Black+orange | Black+orange |
| Body Weight | About 225g (including battery) | About 225g (including battery) | About 225g (including battery) |
| Standard Accessories | Test probe/manual | Test probe/manual | Test probe/manual |
| Standard Inner Packaging | Color box | Color box | Color box |


5. Setup
5.1. Battery Installation
The multimeter requires AAA and 9V batteries for operation. Batteries are NOT included in the package due to safety reasons during shipping.
- Locate the battery compartment cover on the back of the multimeter.
- Use a screwdriver to open the battery compartment.
- Insert the required AAA and 9V batteries, ensuring correct polarity (+ and -).
- Replace the battery compartment cover and secure it with the screw.
5.2. Connecting Test Probes
- Insert the black test lead into the "COM" (Common) input terminal.
- Insert the red test lead into the "VΩmA+" input terminal for most measurements (voltage, resistance, small current).
- For high current measurements (e.g., 10A DC), insert the red test lead into the dedicated "DC10A" jack (if available on your model).
6. Operating Instructions
Always ensure the multimeter is set to the correct function and range before making any measurements. Refer to the product overview for component identification.
6.1. General Measurement Steps
- Select Function/Range: Turn the gear knob to the desired measurement function (DCV, ACV, DCA, Ω, BATT, hFE) and appropriate range. Start with a higher range if the value is unknown to prevent damage.
- Connect Probes: Connect the black test lead to the COM terminal and the red test lead to the VΩmA+ terminal (or DC10A for high current).
- Connect to Circuit: Connect the test probes to the circuit or component you wish to measure.
- Read Measurement: Observe the needle on the dial and read the corresponding value on the selected scale.
6.2. Specific Measurement Procedures
6.2.1. Battery Test (9V)
To test a 9V battery:
- Set the gear knob to the "BATT" function, specifically the 9V range.
- Connect the red test lead to the positive terminal of the 9V battery and the black test lead to the negative terminal.
- Read the voltage indicated by the needle on the dial.
6.2.2. Resistance Measurement
Before measuring resistance, you must calibrate the meter to zero:
- Set the gear knob to the desired "Ω" (Ohms) range (e.g., x1, x10, x100, x1k, x10k).
- Short the red and black test leads together.
- Adjust the "0Ω ADJ" (Resistance zero adjuster) knob until the needle points exactly to the "0" mark on the resistance scale.
- Once calibrated, connect the test leads across the component whose resistance you want to measure.
- Read the resistance value from the dial, multiplying by the selected range factor (e.g., if on x100 range and needle reads 50, resistance is 50 x 100 = 5000Ω).
6.2.3. Diode Measurement
To measure diode load current (LI) and load voltage (LV):
- Set the gear knob to the appropriate diode test range (e.g., LI at X10 15mA).
- Connect the test leads across the diode.
- Observe the readings for load current (LI) and load voltage (LV) on the dial.
6.2.4. AC Voltage Measurement
To measure AC voltage:
- Set the gear knob to the "ACV" function and select an appropriate range (e.g., 250V, 1000V). Ensure the selected range is higher than the expected voltage.
- Connect the test leads in parallel across the AC voltage source.
- Read the AC voltage value from the dial.
6.2.5. Triode Measurement (hFE)
To measure triode (transistor) hFE:
- Set the gear knob to the "hFE" function.
- Insert the transistor leads into the corresponding slots in the triode socket (E, B, C for Emitter, Base, Collector). Ensure correct polarity (NPN or PNP).
- Read the hFE value from the dial.
6.2.6. Other Measurements (DCV, DCA, Audio Level)
For DC Voltage (DCV), DC Current (DCA), and Audio Level (dB) measurements, follow the general measurement steps, selecting the appropriate function and range on the gear knob.
7. Maintenance
7.1. Cleaning
Wipe the multimeter with a dry, soft cloth. Do not use abrasive cleaners or solvents.
7.2. Storage
When not in use for extended periods, remove the batteries to prevent leakage. Store the multimeter in a cool, dry place, away from direct sunlight and extreme temperatures.
7.3. Fuse Replacement
If the current measurement function stops working, the fuse may be blown. Replace it with a fuse of the correct rating:
- For general current measurements: 0.5A/250V (Φ5.2mm×20mm)
- For 10A current measurements: 10A/250V (Φ5mm×20mm)
To replace the fuse, open the battery compartment cover on the back of the multimeter, as the fuse is typically located within or near this area.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No reading / Meter not turning on | Dead or incorrectly installed batteries. | Check battery polarity and replace with fresh batteries. |
| Incorrect or unstable readings | Incorrect function/range selected; poor probe contact; uncalibrated resistance. | Verify function and range; ensure firm probe contact; perform resistance zero adjustment. |
| Current measurement not working | Blown fuse. | Replace the fuse with the correct rating (refer to Maintenance section). |
| Resistance measurement always shows infinite (needle doesn't move) | Resistance zero adjustment not performed or battery low. | Perform resistance zero adjustment; check/replace batteries. |
9. User Tips
No specific user tips were available from provided reviews or Q&A. However, general tips for analog multimeters include:
- Always start with the highest range when measuring an unknown voltage or current to avoid damaging the meter.
- For resistance measurements, always ensure the circuit is de-energized and the component is isolated.
- Regularly check the battery level, especially for resistance measurements, as low battery can affect accuracy.
- When reading the analog scale, look directly at the needle to avoid parallax error. Some meters have a mirror strip on the scale to aid in this.
10. Warranty and Support
10.1. Warranty Information
- We offer a 1-year warranty for all products from the date of receipt. This warranty excludes items damaged and/or misused by the user.
- Accessories (such as test probes) come with a 3-month warranty.
- Defective items must be reported and returned within the warranty period and in their original packaging.
10.2. Customer Support
For any issues or inquiries regarding your Victor multimeter, please contact our customer support. We are committed to providing the best solution for any problems you may encounter.
Note: No battery will be sent with the product due to safety regulations.