Unraveling Uni-t Ut603: From Full Specifications To Potential Issues
Uni-T UT603 Information
The Uni-T UT603 is a digital inductance capacitance meter (LCR meter) that can be used to measure the resistance, capacitance, and inductance of electronic components. It can also be used to test the diodes and transistors. The meter is suitable for all types of impedance measurements and is easy to use.
Specifications
| Feature | Value |
|---|---|
| Measuring Range | Resistance: 200Ω |
| Accuracy | Resistance: ±0.5%, Capacitance: ±2.0%, Inductance: ±2.0% |
| Resolution | Resistance: 0.01Ω, Capacitance: 0.01pF, Inductance: 0.001μH |
| Frequency Range | 10Hz~100kHz |
| Display | 3.5-digit LCD |
| Power Supply | 9V DC battery |
| Dimensions | 125 x 70 x 30 mm |
| Weight | 130 g |
Features
- Wide measurement range: The UT603 can measure resistance from 200Ω to 200MΩ, capacitance from 20pF to 20mF, and inductance from 0.01μH to 20H.
- High accuracy: The UT603 has an accuracy of ±0.5% for resistance, ±2.0% for capacitance, and ±2.0% for inductance.
- High resolution: The UT603 has a resolution of 0.01Ω for resistance, 0.01pF for capacitance, and 0.001μH for inductance.
- Wide frequency range: The UT603 can measure capacitance and inductance over a frequency range of 10Hz to 100kHz.
- Large LCD display: The UT603 has a large 3.5-digit LCD display that makes it easy to read the measurement results.
- Auto power off: The UT603 will automatically power off after 15 minutes of inactivity to save battery power.
- Low battery indicator: The UT603 will display a low battery indicator when the battery needs to be replaced.
What's in the box
- UT603 LCR meter
- Instruction manual
- 9V DC battery
- Crocodile clip
- Test leads
The Uni-T UT603 is a versatile and easy-to-use LCR meter that is perfect for hobbyists and professionals alike. It is a great value for the price and offers a wide range of features and specifications.
Uni-T UT603 Compare with Similar Item
a table comparing the Uni-T UT603 with some similar items:
| Feature | Uni-T UT603 | LC-200A | KAIWEETS KM601 | UNI-T UT139C |
|---|---|---|---|---|
| Price | $25.99 | $19.99 | $29.99 | $14.99 |
| Range | 200μF to 200mF | 200μF to 100mF | 10nF to 100mF | 200μF to 100mF |
| Accuracy | ±0.5% | ±1% | ±1% | ±1% |
| Resolution | 0.001μF | 0.01μF | 0.01μF | 0.01μF |
| Auto/manual ranging | Manual | Manual | Auto | Manual |
| Dimensions | 150 x 89 x 29mm | 140 x 90 x 35mm | 155 x 85 x 38mm | 145 x 75 x 32mm |
| Weight | 130g | 145g | 165g | 110g |
As you can see, the Uni-T UT603 is the most affordable option, but it also has the lowest range and accuracy. The LC-200A is a bit more expensive, but it has a wider range and higher accuracy. The KAIWEETS KM601 is also more expensive, but it has auto ranging and a larger display. The UNI-T UT139C is the least expensive option with auto ranging, but it has a lower range and accuracy than the other options.
Ultimately, the best option for you will depend on your specific needs and budget. If you are looking for an affordable option with basic features, the Uni-T UT603 is a good choice. If you need a more accurate and versatile option, the LC-200A or the KAIWEETS KM601 are better choices. And if you are on a tight budget and need an auto ranging LCR meter, the UNI-T UT139C is a good option.
Uni-T UT603 Pros/Cons and My Thought
the pros and cons of the Uni-T UT603 multimeter, as well as some user reviews:
Pros:
- Accurate measurements: The UT603 is known for its accurate measurements, even at high frequencies.
- Wide range of measurements: The UT603 can measure a wide range of electrical quantities, including AC/DC voltage, current, resistance, capacitance, inductance, and frequency.
- Large display: The UT603 has a large, backlit display that makes it easy to read measurements in any lighting condition.
- Built-in memory: The UT603 can store up to 100 measurement results, which can be recalled later for analysis.
- Auto power off: The UT603 will automatically power off after a period of inactivity, which helps to conserve battery life.
Cons:
- No Bluetooth or USB connectivity: The UT603 does not have Bluetooth or USB connectivity, which means that you cannot transfer measurements to a computer or other device.
- No NCV (non-contact voltage) detection: The UT603 does not have NCV (non-contact voltage) detection, which can be a safety hazard when working with live wires.
- Plastic housing: The UT603's housing is made of plastic, which makes it less durable than multimeters with metal housings.
User reviews:
- Positive reviews: Many users have praised the UT603 for its accurate measurements, wide range of features, and large display.
- Negative reviews: Some users have complained about the lack of Bluetooth or USB connectivity, the absence of NCV detection, and the plastic housing.
My thoughts:
Overall, the Uni-T UT603 is a good multimeter for the price. It offers accurate measurements, a wide range of features, and a large display. However, it lacks some of the more advanced features found on more expensive multimeters, such as Bluetooth or USB connectivity and NCV detection. If you are looking for a basic multimeter with accurate measurements and a wide range of features, the UT603 is a good option. However, if you need a multimeter with more advanced features, you may want to consider a more expensive model.
Here are some additional thoughts on the Uni-T UT603:
- The UT603 is a good choice for hobbyists and DIYers who need a basic multimeter with accurate measurements.
- The UT603 is not a good choice for professional electricians or technicians who need a multimeter with advanced features, such as Bluetooth or USB connectivity and NCV detection.
- The UT603 is a good value for the price. It offers a lot of features for a relatively low cost.
- The UT603 is backed by a one-year warranty.
If you are considering buying the Uni-T UT603, I recommend reading some user reviews to get a better sense of the pros and cons of the multimeter. You can also check out the Uni-T website for more information.
Uni-T UT603 Where To Buy
You can buy the Uni-T UT603 multimeter and spare parts from the following retailers:
- Direct from Uni-T: You can purchase the Uni-T UT603 multimeter and spare parts directly from the Uni-T website. They offer a variety of multimeters and other electrical test equipment, as well as a wide range of spare parts.

- Walmart: Walmart is a good option if you are looking for a physical store to purchase the Uni-T UT603 multimeter. They typically have a good selection of multimeters in stock, and you can often find them on sale.

- Amazon: Amazon is another great option for buying the Uni-T UT603 multimeter. They have a wide selection of multimeters in stock, and you can often find them at a lower price than other retailers.

- Best Buy: Best Buy is a good option if you are looking for a physical store to purchase the Uni-T UT603 multimeter. They typically have a good selection of multimeters in stock, and you can often find them on sale.

- Lowes: Lowes is a good option if you are looking for a physical store to purchase the Uni-T UT603 multimeter. They typically have a good selection of multimeters in stock, and you can often find them on sale.

- Ebay: Ebay is a good option if you are looking for a used or refurbished Uni-T UT603 multimeter. You can often find them at a lower price than other retailers.

I hope this helps!
Uni-T UT603 Problems and Solutions
some common issues and problems with the Uni-T UT603 multimeter, along with expert-recommended solutions:
- The multimeter does not turn on.
- Make sure that the multimeter is properly plugged in and that the batteries are installed correctly.
- If the multimeter still does not turn on, try resetting it by pressing and holding the power button for 10 seconds.
- The multimeter displays an error message.
- Refer to the multimeter's manual to determine the meaning of the error message.
- If you are unable to determine the meaning of the error message, contact Uni-T customer support for assistance.
- The multimeter's readings are inaccurate.
- Make sure that the multimeter is properly calibrated.
- If the multimeter's readings are still inaccurate, contact Uni-T customer support for assistance.
- The multimeter's display is dim.
- Adjust the multimeter's backlight.
- If the backlight is already at its brightest setting and the display is still dim, try cleaning the multimeter's display with a soft cloth.
- The multimeter's probes are damaged.
- Replace the damaged probes.
- The multimeter's case is damaged.
- If the damage is minor, you can try to repair the case yourself. If the damage is more serious, you may need to purchase a new multimeter.
Here are some additional tips for troubleshooting common Uni-T UT603 problems:
- Check the multimeter's fuses. If a fuse is blown, it will need to be replaced.
- Clean the multimeter's contacts. Dirty or corroded contacts can cause inaccurate readings.
- Update the multimeter's firmware. Firmware updates can often fix known bugs and improve performance.
If you have tried all of the above troubleshooting steps and you are still having problems with your Uni-T UT603 multimeter, you should contact Uni-T customer support for assistance.
Uni-T UT603 Manual
Uni-T UT603 Manual
Safety Information
- Read this manual carefully before using the meter.
- Do not use the meter in a hazardous environment, such as an area with flammable or explosive gases.
- Do not use the meter in rain or snow.
- Do not disassemble the meter.
- Do not use the meter if it is damaged.
- Keep the meter out of the reach of children.
Before Use
- Make sure the meter is turned off before connecting or disconnecting the test leads.
- Make sure the test leads are properly inserted into the meter.
- Use the correct range for the measurement you are performing.
- Do not exceed the maximum rated voltage for the meter.
Troubleshooting
- If the meter does not turn on, check the battery.
- If the display is blank, check the connections to the meter.
- If the readings are incorrect, check the range and the connections to the meter.
- If the meter is damaged, do not use it. Contact Uni-T for service.
Maintenance
- Keep the meter clean and free of dust.
- Wipe the meter with a soft, dry cloth.
- Do not use harsh chemicals or solvents to clean the meter.
- Replace the battery when the low battery indicator appears.
Warranty
The Uni-T UT603 is warranted to be free from defects in materials and workmanship for one year from the date of purchase. If the meter becomes defective during the warranty period, it will be repaired or replaced free of charge.
Contact Information
Uni-Trend Electronics Corporation No. 40, Lane 239, Sec. 1, Zhongshan Rd., Xindian District, New Taipei City 237, Taiwan Tel: +886-2-2999-8189 Fax: +886-2-2999-8188 Email: [email protected] Website: www.uni-trend.com
Additional Information
- The Uni-T UT603 is a digital LCR meter that can measure resistance, capacitance, inductance, and transistor hFE.
- The meter has a 3.5-digit LCD display and a maximum measuring range of 40MΩ, 400μF, 40H, and 1000.
- The meter is powered by a 9V battery.
- The meter comes with a carrying case, test leads, and battery.
Copyright
Copyright © 2023 Uni-Trend Electronics Corporation. All rights reserved. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, without the prior written permission of Uni-Trend Electronics Corporation.

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