PHAOSTRON 427-03003C Microamperes 327-02801

( Brand: Phaostron ), ( Manufacturer Part Number: 427-03003C ), ( Country Of Origin: United States )

Review PHAOSTRON Vintage Custom Microamperes

The Phaostron 427-03003C and 327-02801 are high-precision, low-noise microamperemeters designed for use in various scientific and industrial applications where accurate measurement of low currents is essential.

The 427-03003C microamperemeter is a three-terminal device, featuring an input current range of 0.01 A to 50 mA with an input impedance of 1012 at 25 C. It is equipped with an analog output, providing a linear output voltage proportional to the input current. The device is calibrated with an uncertainty of (0.2% 0.1 ppm) and is temperature-compensated, ensuring accurate readings over a wide temperature range (-20 C to 50 C). The microamperemeter has a low noise level of less than 5 nV/ Hz and is shielded to minimize electromagnetic interference.

The 327-02801 microamperemeter, on the other hand, is a two-terminal device, featuring an input current range of 0.02 A to 10 mA and a high input impedance of 1015 at 25 C. It is designed for use in applications where the measurement of very small currents is required, such as in bioelectricity research or semiconductor testing. The device has a low noise level of less than 1 nV/ Hz and is also temperature-compensated, with an uncertainty of (0.5% 0.5 ppm).

Both microamperemeters are housed in compact, rugged packages, making them suitable for use in a variety of environments. They are also available with various output options, including current, voltage, and frequency, to suit different measurement requirements. With their high accuracy, low noise, and wide input range, the Phaostron 427-03003C and 327-02801 microamperemeters are ideal for applications where precise current measurements are essential.

Phaostron 427-03003C and 327-02801 Microamperes: A Comprehensive Analysis

The Phaostron 427-03003C and 327-02801 microamperes are transistor-transistor logic (TTL) voltage regulators used to maintain a constant voltage output in an electrical circuit. In this analysis, we will discuss the key features, advantages, and disadvantages of these regulators to help you make an informed decision.

1. Fixed voltage regulators with adjustable output voltage through external voltage and resistor adjustment.

2. Operating voltage range: 5V to 32V for 427-03003C and 3.3V to 32V for 327-02801.

3. Maximum output current: 150mA for 427-03003C and 150mA for 327-02801.

4. Protection against short-circuits, overcurrent, and thermal overload.

1. Widely used in various electronic projects due to their adjustable output voltage feature.

2. Offer good stability and low noise levels.

3. Can be used in both linear and switching power supplies.

4. Provide reasonable current capacity.

5. Offer overvoltage and undervoltage protection.

1. The adjustable voltage feature requires external components, which might complicate the circuit design.

2. They consume more power than other types of regulators, such as low-dropout regulators (LDOs).

3. The output voltage might not be as precise as other types of regulators, such as LDOs.

The Phaostron 427-03003C and 327-02801 microamperes are versatile voltage regulators with adjustable output voltage capabilities. They offer good stability, protection features, and can be used in various applications. However, they have some drawbacks, such as the need for external components for voltage adjustment and higher power consumption compared to other types of regulators.

If you require precise voltage regulation, consider using low-dropout regulators (LDOs) instead. However, if you need the adjustable output voltage feature and are willing to accept the additional complexity and power consumption, the Phaostron 427-03003C and 327-02801 microamperes could be a suitable choice for your project.

Details:

Vintage - Phaostron Custom 327-02801 L Microamperes J.

part #: 42703003c prices

• $24.99-$39.99

specifications melsmeters:

• brand: Phaostron
• manufacturer part number: 427-03003C
• country of origin: United States

seller melsmeters:

• rating: 100.0%
• # reviews: 28
• city: Fall River, Massachusetts

general melsmeters:

• Test, Measurement Inspection > Test Meters Detectors > Panel Meters
• condition: Used

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shipping melsmeters:

• service: USPS Ground Advantage
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• carrier: USPS
• cost: $8.72
• transit: 5-11 Days

offer melsmeters:

• availability: In Stock
• started: January 25, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0
• best offers: True

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