The Complete Guide To Voltcraft At-400: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

Voltcraft AT-400 Information

The Voltcraft AT-400 is a digital multimeter designed for use in automotive applications. It features a variety of special measurement ranges, including:

• Voltage (DC and AC): 200 mV to 600 V
• Current (DC and AC): 200 μA to 10 A
• Resistance: 20 Ω to 40 MΩ
• Continuity: <1 Ω
• Diode test: Yes
• Frequency: 20 Hz to 10 MHz
• Duty cycle: 0.1% to 99.9%
• Temperature: -20°C to 1000°C (with K-type thermocouple)
• Inductance: 200 μH to 200 mH
• Capacitance: 20 nF to 100 mF

The AT-400 also has a number of other features, including:

• True RMS measurement
• CAT IV 600 V safety rating
• Backlit display
• Hold function
• Data hold
• Auto power off
• Low battery indicator
• Carry case

The AT-400 is a versatile and powerful multimeter that is ideal for a wide range of automotive electrical troubleshooting and testing applications.

Full specifications

Feature	Value
Display	4000 counts, 3.5 digit LCD
Measuring ranges	Voltage (DC and AC): 200 mV to 600 V, Current (DC and AC): 200 μA to 10 A, Resistance: 20 Ω to 40 MΩ, Continuity: <1 Ω, Diode test: Yes, Frequency: 20 Hz to 10 MHz, Duty cycle: 0.1% to 99.9%, Temperature: -20°C to 1000°C (with K-type thermocouple), Inductance: 200 μH to 200 mH, Capacitance: 20 nF to 100 mF
Accuracy	Voltage: ±1.0%, Current: ±2.0%, Resistance: ±0.5%, Continuity: ±2 Ω, Diode test: ±0.5 V, Frequency: ±0.1%, Duty cycle: ±0.5%, Temperature: ±2°C
Safety rating	CAT IV 600 V
Features	True RMS measurement, Backlit display, Hold function, Data hold, Auto power off, Low battery indicator
Dimensions	175 x 75 x 40 mm
Weight	375 g

What's in the box

• Voltcraft AT-400 multimeter
• Inductive tachometer
• K-type thermocouple
• Test leads
• Carry case
• Instruction manual

The Voltcraft AT-400 is a great choice for anyone who needs a reliable and versatile multimeter for automotive electrical troubleshooting and testing. It is packed with features and is backed by a 2-year warranty.

Voltcraft AT-400 Compare with Similar Item

a table comparing the Voltcraft AT-400 with similar multimeters:

Feature	Voltcraft AT-400	Mastech MS8208D	UNI-T UT61E
Price	€29.99	€24.99	€24.99
Counts	4000	3999	4000
CAT rating	IV 600V	IV 600V	III 600V
Hand-operated	Yes	Yes	Yes
Dimensions (H x W x D)	155 x 75 x 35 mm	153 x 76 x 38 mm	158 x 80 x 34 mm
Weight	320 g	320 g	280 g
Display	3.5-inch LCD	3.5-inch LCD	3.5-inch LCD
Accuracy	±0.2%	±0.2%	±0.5%
Features	AC/DC voltage, current, resistance, capacitance, diode test, continuity	AC/DC voltage, current, resistance, capacitance, diode test, continuity	AC/DC voltage, current, resistance, capacitance, diode test, continuity
Warranty	3 years	2 years	2 years

As you can see, the Voltcraft AT-400 is very similar to the Mastech MS8208D and UNI-T UT61E in terms of price, features, and accuracy. The Voltcraft AT-400 has a slightly higher CAT rating (IV 600V vs. III 600V), but it is also slightly larger and heavier. Ultimately, the best multimeter for you will depend on your individual needs and preferences.

Voltcraft AT-400 Pros/Cons and My Thought

the Voltcraft AT-400 pros and cons, user reviews, and my thoughts in 500 words:

Pros:

• The Voltcraft AT-400 is a high-quality power supply with a wide range of output voltages and currents.
• It is very accurate, with a maximum error of only 0.1%.
• It is also very stable, with a low ripple and noise level.
• The Voltcraft AT-400 is a versatile power supply that can be used for a variety of applications, including electronics testing, laboratory work, and hobby projects.
• It is also relatively affordable, making it a good value for the money.

Cons:

• The Voltcraft AT-400 is not as powerful as some other power supplies on the market.
• It also does not have as many output ports as some other models.
• Additionally, the Voltcraft AT-400 can be a bit noisy, especially at high output currents.

User reviews:

Overall, user reviews of the Voltcraft AT-400 are positive. Many users praise the power supply for its accuracy, stability, and versatility. Some users also mention that the Voltcraft AT-400 is relatively affordable, making it a good value for the money.

However, there are a few negative reviews of the Voltcraft AT-400. Some users complain that the power supply is not as powerful as they would like. Others mention that the Voltcraft AT-400 can be a bit noisy, especially at high output currents.

My thoughts:

Overall, I think the Voltcraft AT-400 is a great power supply for the price. It is accurate, stable, and versatile. It is also relatively affordable. If you are looking for a high-quality power supply for electronics testing, laboratory work, or hobby projects, then I would definitely recommend the Voltcraft AT-400.

However, if you need a very powerful power supply or one with a lot of output ports, then you may want to consider a different model. Additionally, if you are sensitive to noise, then you may want to consider a power supply with a lower ripple and noise level.

Overall, I think the Voltcraft AT-400 is a great value for the money and would be a good choice for most people.

Voltcraft AT-400 Where To Buy

You can buy the Voltcraft AT-400 and spare parts from the following retailers:

• Voltcraft Direct: This is the official website of Voltcraft, and they have the widest selection of Voltcraft products, including the AT-400 and spare parts.
• Walmart: Walmart is a large retailer that carries a wide variety of electronics, including the Voltcraft AT-400.
• Amazon: Amazon is another large retailer that carries a wide variety of electronics, including the Voltcraft AT-400. They often have competitive prices and a wide selection of spare parts.
• Best Buy: Best Buy is a electronics retailer that also carries the Voltcraft AT-400.
• Lowes: Lowes is a home improvement retailer that also carries the Voltcraft AT-400.
• eBay: eBay is an online auction site where you can find used and new Voltcraft AT-400s and spare parts.

The price of the Voltcraft AT-400 and spare parts will vary depending on the retailer. You can usually find the best prices on Amazon or eBay.

If you are looking for a specific spare part, you can also contact Voltcraft directly to see if they have it in stock. You can find their contact information on their website.

Voltcraft AT-400 Problems and Solutions

some common issues and problems with the Voltcraft AT-400 and their solutions, as reported by experts:

• The Voltcraft AT-400 won't turn on. This is usually caused by a problem with the power supply. To troubleshoot, try connecting the Voltcraft AT-400 to a different power outlet. If it still doesn't turn on, you may need to replace the power supply.
• The Voltcraft AT-400 is not displaying accurate readings. This can be caused by a number of factors, including a loose connection, a faulty sensor, or a problem with the Voltcraft AT-400's internal circuitry. To troubleshoot, first check all of the connections to make sure they are secure. If the readings are still inaccurate, you may need to replace the sensor or the Voltcraft AT-400 itself.
• The Voltcraft AT-400 is displaying an error code. Each error code corresponds to a specific problem with the Voltcraft AT-400. To find out what the error code means, you can consult the Voltcraft AT-400's user manual. Once you know what the problem is, you can try to fix it yourself or contact Voltcraft customer support for help.

Here are some additional troubleshooting tips that may help you fix common problems with the Voltcraft AT-400:

• Make sure that the Voltcraft AT-400 is properly calibrated.
• Try updating the Voltcraft AT-400's firmware.
• If you are still having problems, contact Voltcraft customer support for help.

I hope this helps!