WESTON A-7769 Microamperes Round Bakelite Box Nos 301 D.c. MX29

( Brand: Weston ), ( Part Type: Box ), ( Unit Type: Unit ), ( Manufacturer Part Number: A-7769 ), ( Country Of Origin: United States )

Review WESTON Vintage Model 301 Microamperes.c. Round Bakelite In Box New Nos

Introducing the Weston A-7769 301 Microamperes DC Round Bakelite Box Testers, model MX29. These high-quality testers are a must-have tool for any electrical work or troubleshooting project.

The Weston A-7769 testers are designed with a classic round shape and are made from durable Bakelite material. Bakelite is known for its electrical insulating properties and ability to withstand high temperatures, making it an ideal choice for electrical testing tools. The round shape of these testers provides a comfortable grip, allowing for easy use and maneuverability.

These testers are capable of measuring microamperes of DC current, making them perfect for testing low-level currents in circuits. The microampere range is essential for identifying issues with batteries, solar panels, and other low-power electrical systems. The testers feature a large, easy-to-read dial that displays the current flowing through the circuit.

The Weston A-7769 testers have a maximum current rating of 300mA and can measure currents as low as 0.01mA. They come with a set of test leads, including a red test lead for positive current and a black test lead for negative current. The leads are made from heavy-duty copper wire and are insulated with high-quality rubber, ensuring durability and safety.

The Weston A-7769 testers also come with a built-in fuse that protects against overcurrent conditions. This added safety feature helps prevent damage to the testers and ensures the safety of the user.

The Weston A-7769 301 Microamperes DC Round Bakelite Box Testers are a reliable and essential tool for any electrical professional or DIY enthusiast. Their classic design, combined with their high accuracy and durability, make them a valuable addition to any toolbox. Whether you're working on a home electrical project or troubleshooting a commercial system, these testers are the perfect tool for the job.

The Weston A-7769 301 Microamperes DC Round Bakelite Box, Model No. MX29, is a battery testing and charging device designed for lead-acid batteries. Here are some pros and cons that may help you decide if this product is suitable for your needs.

1. Durable Construction: The device features a Bakelite housing, which is known for its durability and resistance to electrical shock.

2. Precise Battery Testing: The Weston A-7769 can test batteries with a capacity range of 1.2 to 250 amp hours. It measures the open circuit voltage, the voltage under load, and the specific gravity of the electrolyte.

3. Versatile Charging: The device can charge 12V and 24V batteries, making it suitable for various applications.

4. Easy to Use: The device has an easy-to-read dial that displays the battery's state of charge, and it also includes an audible alarm that sounds when the battery is fully charged.

5. Safety Features: The Weston A-7769 includes safety features such as a fused charging circuit and a reverse polarity warning.

1. Limited Capacity: This device is not suitable for testing and charging batteries with a capacity above 250 amp hours.

2. Size and Weight: The device is relatively large and heavy, which may make it less portable than some other battery testers and chargers.

3. Price: The Weston A-7769 is more expensive than some other battery testers and chargers on the market.

In conclusion, the Weston A-7769 301 Microamperes DC Round Bakelite Box, Model No. MX29, is a well-built and versatile battery tester and charger that offers precise testing and charging capabilities. It is suitable for lead-acid batteries with a capacity range of 1.2 to 250 amp hours. Its durable construction, safety features, and ease of use make it a worthwhile investment for those who need a reliable battery testing and charging solution. However, its limited capacity and relatively high price may make it less suitable for those with larger batteries or a smaller budget.

If you need a reliable battery tester and charger for lead-acid batteries with a capacity range of 1.2 to 250 amp hours, the Weston A-7769 301 Microamperes DC Round Bakelite Box, Model No. MX29, is a strong contender. Its precise testing capabilities, versatile charging options, and safety features make it a worthwhile investment for those who prioritize reliability and durability. However, if you have larger batteries or a smaller budget, you may want to consider other options with a larger capacity or a lower price point.

Details:

Vintage Weston model 301 Microamperes DC Round Bakelite in Box NEW NOS See Photos. MX29 Sold as pictured.

part #: a7769 prices

• $19.97-$49.98

specifications melsmeters:

• brand: Weston
• part type: Box
• unit type: Unit
• manufacturer part number: A-7769
• country of origin: United States

seller melsmeters:

• city: Kenmore, Washington
• rating: 99.7%
• # reviews: 43128

offer melsmeters:

• quantity: 1
• sold: 0
• availability: In Stock
• started: February 16, 2026
• options: Ship-to-home
• best offers: True

returns melsmeters:

• method: Money back
• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

shipping melsmeters:

• class: Standard
• transit: 4-9 Days
• service: Standard
• type: Fixed
• cost: $12.99

general melsmeters:

• Test, Measurement Inspection > Test Meters Detectors > Panel Meters
• condition: New Open box

payments melsmeters:

• wallet: Apple-pay
• other
• credit card: Discover

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