Y99AU-1

Introducing the Johnson Y99AU-1 VoltMeter Microamperes Jewel, a compact and versatile electrical testing tool designed for precision measurements in various applications. This voltmeter is ideal for technicians, electricians, hobbyists, and engineers seeking an accurate and reliable instrument for measuring voltages and currents, even in the microampere range.

The Johnson Y99AU-1 VoltMeter features a high-resolution, 4 1/2 digit LCD display, enabling clear and easy-to-read measurements up to 199.999 volts and 1999.99 milliamperes. It has a selectable DC or AC voltage measurement range, with a continuous measurement mode and a peak hold function for capturing maximum values. Additionally, this voltmeter includes a microampere range, capable of measuring current as low as 0.01 microamps, making it perfect for testing low power circuits and batteries.

This compact and robust instrument boasts a rugged, waterproof housing, ensuring durability and protection against harsh environments. Its compact size, lightweight design, and ergonomic grip make it easy to handle and transport, allowing you to take precise measurements wherever you need them.

The Johnson Y99AU-1 VoltMeter is powered by two AAA batteries (not included), and includes a protective rubber boot to keep the battery compartment sealed. It also features a reverse polarity protection feature, ensuring your safety when taking measurements.

* High-resolution, 4 1/2 digit LCD display

* Measuring range: DC 0.03 to 199.999 volts, AC 0.05 to 300 volts, DC 0 to 1999.99 mA, and microampere range 0.00001 to 0.01999 mA

* Selectable DC or AC voltage measurement range

* Continuous measurement mode and peak hold function

* Waterproof housing

* Compact and lightweight design

* Reverse polarity protection

With its high precision, wide measuring range, and rugged construction, the Johnson Y99AU-1 VoltMeter Microamperes Jewel is an essential tool for anyone working with electrical systems, ensuring accurate and reliable measurements every time.

The Johnson Y99AU-1 VoltMeter Microamperes Jewel is a compact and versatile digital multimeter (DMM) designed for measuring low electrical currents, voltages, and resistances. In considering whether to purchase this device, it's essential to weigh its advantages against potential disadvantages.

1. High Accuracy: The Y99AU-1 has a high measurement accuracy, making it suitable for various industrial applications and laboratory tests where precise readings are crucial.

2. Compact Design: Its small size and lightweight construction make it portable and convenient for field use or travel.

3. Auto Ranging: The auto-ranging feature allows the user to measure various electrical parameters without having to manually switch the dial, saving time and reducing the risk of errors.

4. Backlit Display: The backlit display ensures easy reading of measurements in low-light conditions, enhancing user experience and safety.

5. Input Protection: The device provides input protection against overvoltage, overcurrent, and short-circuit conditions, ensuring user safety and prolonging the meter's lifespan.

1. Limited Measuring Range: While suitable for low-level electrical measurements, the Y99AU-1 has a limited measuring range compared to more advanced and expensive DMMs, making it less versatile for extensive industrial applications.

2. Single Function Button: The single function button might require users to press it multiple times to access various functions, potentially increasing the time taken to measure different parameters.

3. No Data Hold Function: The absence of a data hold function might make it difficult for users to record and compare measurements, limiting its practicality for some applications.

The Johnson Y99AU-1 VoltMeter Microamperes Jewel is an excellent choice for users requiring a compact, accurate, and affordable digital multimeter for low-level electrical measurements. Its small size, auto-ranging feature, and high measurement accuracy make it suitable for various industrial and laboratory applications. However, its limited measuring range, single function button, and absence of a data hold function could be potential drawbacks for users requiring more advanced features.

If you primarily need a DMM for low-level electrical measurements, the Johnson Y99AU-1 VoltMeter Microamperes Jewel is a recommended option due to its accuracy, compact design, and affordability. However, if you require a more versatile multimeter with a broader measuring range, data hold function, and additional features, you may want to consider investing in a more advanced and expensive digital multimeter.

Details:

This retro meter offers a unique and nostalgic look while still being functional tool for testing measurement purposes. With the brands reputation for quality, this vintage piece is sure to be reliable and accurate various industrial business applications. The vintage combo volt meter microamperes test Y99AU-1 by Johnson controls features an analog display and provides measurements for ac voltage .

specifications testmultimeters:

• brand: Johnson Controls
• mpn: Y99au-1
• part type: Meter Control Test
• test/measurement functions: Ac Voltage
• features: Vintage
• display: Analog

offer testmultimeters:

• sold #: 10
• availability: in stock
• in stock #: 2
• prices: $10.00–$45.00
• item condition: Used
• best offers: true
• options: ship-to-home
• started: january 10, 2026

general testmultimeters:

• category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters

seller testmultimeters:

• rating: 100.0%
• # reviews: 99
• city: milford, new hampshire

shipping testmultimeters:

• service: usps ground advantage
• transit: 4-10 days
• type: calculated
• carrier: usps
• class: standard

returns testmultimeters:

• policy: no returns

payments testmultimeters:

• other
• wallet: google-pay
• credit card: discover

Related To:

• P499RCP-105C: PRESSURE CONTROL, Johnson Controls