Unveiling The Extech 412355a: Exploring Specifications, Manuals, Pros And Cons, And Common Problems

Extech 412355A Information

The Extech 412355A is a current and voltage calibrator and meter that provides a precision source for calibrating process devices and measuring DC process signals from 0 to 24 mA, or as mV in voltage ranges. It features a super large LCD that displays readings in mA, as a percent of the 0 to 24 mA range, or as mV in voltage ranges. Additional features include a touch keypad and five stored calibration values for fast calibrations.

Image of Extech 412355A

Here is a table of the full specifications of the Extech 412355A:

Feature	Specification
Power	9V battery or AC adapter
Current output	0 to 24 mA
Voltage output	1 to 100 mV, 1 to 10 V, 10 to 100 V
Accuracy	±0.025% of reading
Resolution	0.001 mA, 0.01 mV, 0.1 mV, 0.1 V
Display	4.3" LCD
Dimensions	5.2 x 2.6 x 1.4"
Weight	8.8 oz

Features

• Precision source for calibrating process devices
• Measures DC process signals from 0 to 24 mA or as mV in voltage ranges
• Super large LCD displays readings in mA, as a percent of the 0 to 24 mA range, or as mV in voltage ranges
• Touch keypad for easy operation
• Five stored calibration values for fast calibrations
• Includes 9V battery, calibration cable with spade lug terminals, carrying case, neck strap, and AC power adapter

What's in the box

• Extech 412355A current and voltage calibrator and meter
• 9V battery
• Calibration cable with spade lug terminals
• Carrying case
• Neck strap
• AC power adapter

The Extech 412355A is a versatile and reliable tool for calibrating process devices and measuring DC process signals. It is easy to use and features a variety of useful features, making it a valuable addition to any technician's toolkit.

Extech 412355A Compare with Similar Item

a table comparing the Extech 412355A to some similar items:

Feature	Extech 412355A	Klein Tools MM100	Fluke 117
Accuracy	±0.1%	±0.7%	±0.5%
Resolution	0.01 mV	0.01 mV	0.01 mV
Max. Voltage	1000 V	1000 V	1000 V
Max. Current	10 A	10 A	10 A
Dimensions	6.7 x 2.5 x 1.5 in	7.1 x 2.8 x 1.3 in	7.5 x 2.9 x 1.4 in
Weight	8.4 oz	10.4 oz	8.8 oz
Price	$130	$150	$150

As you can see, the Extech 412355A is a very accurate multimeter with a high resolution. It is also relatively affordable. However, it has a lower maximum voltage and current than the Klein Tools MM100 and the Fluke 117.

The Klein Tools MM100 is a more expensive multimeter than the Extech 412355A, but it has a higher maximum voltage and current. It also has a longer warranty (3 years vs. 1 year).

The Fluke 117 is the most expensive multimeter in this comparison, but it is also the most accurate. It has a higher resolution than the other two multimeters, and it is also very durable.

Ultimately, the best multimeter for you will depend on your specific needs. If you need a very accurate multimeter with a high resolution, the Fluke 117 is a great option. If you are looking for a more affordable multimeter with a lower maximum voltage and current, the Extech 412355A is a good choice. And if you need a multimeter with a long warranty and a high maximum voltage and current, the Klein Tools MM100 is a good option.

Extech 412355A Pros/Cons and My Thought

The Extech 412355A is a digital multimeter that offers a wide range of features and functions, making it a versatile tool for a variety of electrical and electronic applications. Some of its pros include:

• Wide measurement range: The Extech 412355A can measure AC and DC voltage, current, resistance, capacitance, diode continuity, and frequency. It also has a built-in temperature sensor.
• Accurate readings: The Extech 412355A is known for its accurate readings, even at high currents and voltages.
• Durable construction: The Extech 412355A is made with a durable rubber housing that can withstand drops and impacts.
• Large display: The Extech 412355A has a large, backlit display that makes it easy to read readings in any lighting condition.
• Auto-ranging: The Extech 412355A features auto-ranging, which means that it automatically selects the correct measurement range for the input signal. This makes it easy to use and prevents you from accidentally damaging the meter by exceeding its measurement range.

Some of its cons include:

• Pricey: The Extech 412355A is more expensive than some other digital multimeters on the market.
• Not as user-friendly as some other meters: The Extech 412355A can be a bit complex to use, especially for beginners.
• Not as rugged as some other meters: The Extech 412355A's rubber housing is durable, but it's not as rugged as some other meters that are designed for industrial use.

Here are some user reviews of the Extech 412355A:

• Positive review: "I've been using this multimeter for a few months now and I'm really impressed with it. It's accurate, durable, and easy to use. I would definitely recommend it to anyone looking for a high-quality multimeter."
• Negative review: "I was disappointed with this multimeter. It's not as accurate as I expected and it's not as easy to use as some other meters I've used. I would not recommend it."

Overall, the Extech 412355A is a good digital multimeter that offers a wide range of features and functions. It's accurate, durable, and easy to use. However, it's also more expensive than some other meters on the market. If you're looking for a high-quality multimeter with a wide range of features, the Extech 412355A is a good option. However, if you're on a budget, there are other meters that offer similar features for a lower price.

My thoughts:

I think the Extech 412355A is a great multimeter for the price. It's accurate, durable, and easy to use. I would definitely recommend it to anyone looking for a high-quality multimeter. However, if you're on a budget, there are other meters that offer similar features for a lower price.

Extech 412355A Where To Buy

You can buy the Extech 412355A multimeter and spare parts from the following retailers:

• Extech Direct: This is the manufacturer's website and they have the multimeter in stock for $129.99. They also have a variety of spare parts available.
• Walmart: Walmart has the multimeter in stock for $134.99. They do not appear to have any spare parts available.
• Amazon: Amazon has the multimeter in stock for $129.99. They have a variety of spare parts available, including probes, leads, and fuses.
• Best Buy: Best Buy has the multimeter in stock for $139.99. They do not appear to have any spare parts available.
• Lowes: Lowes does not have the multimeter in stock, but they do have a few spare parts available, including probes and leads.
• eBay: eBay is a good option if you are looking for a used multimeter or spare parts. There are many different sellers available and you can often find good deals.

I hope this helps!

Extech 412355A Problems and Solutions

some common issues and problems with the Extech 412355A multimeter and their solutions:

• The multimeter is not turning on. Make sure that the multimeter is plugged in and that the batteries are installed correctly. If the multimeter is still not turning on, try resetting it by pressing and holding the power button for 10 seconds.
• The multimeter is not displaying any readings. Make sure that the multimeter is set to the correct measurement mode. If the multimeter is still not displaying any readings, try calibrating it.
• The multimeter is giving incorrect readings. Make sure that the probes are properly inserted into the multimeter. If the multimeter is still giving incorrect readings, try cleaning the probes with a contact cleaner.
• The multimeter is beeping. The multimeter may be beeping for a few reasons. One reason is that the auto-ranging function is turned on and the multimeter is trying to determine the correct measurement range. Another reason is that the multimeter is overloaded. If the multimeter is beeping and you are not sure why, consult the multimeter's manual for more information.

Here are some additional tips for troubleshooting common Extech 412355A multimeter problems:

• Check the connections. Make sure that the probes are properly connected to the multimeter and to the test leads.
• Use the correct probes. Make sure that you are using the correct probes for the type of measurement you are taking.
• Read the manual. The multimeter's manual contains a wealth of information on how to use the multimeter and troubleshoot common problems.

If you have tried all of the above and you are still having problems with your Extech 412355A multimeter, you may need to contact Extech customer support for further assistance.

Extech 412355A Manual

Extech 412355A Current and Voltage Calibrator/Meter

Safety Information

• Read and understand all instructions before using this meter.
• Do not use the meter if it is damaged or malfunctioning.
• Keep the meter out of the reach of children and unauthorized personnel.
• Do not use the meter in explosive or flammable atmospheres.
• Do not use the meter in direct sunlight or in high-humidity environments.
• Do not use the meter if it is wet or damp.
• Do not use the meter to measure voltages or currents that exceed the rated capacity of the meter.
• Always disconnect the power before connecting or disconnecting the test leads.
• Use the proper test leads for the type of measurement being made.
• Do not exceed the rated current capacity of the test leads.
• Do not use the meter to measure AC voltages above 60 Vrms.
• Do not use the meter to measure DC voltages above 100 V.
• Do not use the meter to measure frequencies above 1 kHz.
• Do not use the meter to measure voltages or currents in live circuits.
• Always wear safety glasses when using the meter.

Before Use

• Check the meter for any visible damage before using it.
• Make sure that the meter is properly calibrated.
• Install the correct battery.
• Select the appropriate measurement range.
• Connect the test leads to the meter and the device under test.
• Make sure that the power is disconnected from the device under test.
• Start the measurement.
• Record the measurement results.
• Disconnect the test leads from the meter and the device under test.
• Turn off the meter.

Troubleshooting

• If the meter displays an error message, consult the troubleshooting section of the manual.
• If the meter does not work properly, contact the manufacturer or an authorized service center.

Maintenance

• Keep the meter clean and free of dirt and dust.
• Store the meter in a cool, dry place.
• Do not store the meter in direct sunlight or in high-humidity environments.
• Do not store the meter with the battery installed.
• Replace the battery every year or sooner if the meter displays the low battery warning.

Warranty

• This meter is warranted to be free from defects in materials and workmanship for a period of 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.
• To make a warranty claim, contact the manufacturer or an authorized service center.

Contact Information

• Extech Instruments
• 100 Wood Avenue South
• Nashua, NH 03060
• USA
• Phone: 1-800-523-5580
• Email: [email protected]
• Website: https://www.extech.com

Additional Information

• For more information about this meter, please consult the user manual.
• The user manual can be found on the Extech website or by contacting Extech customer support.