
The Eico C.4 20250814 AL.04 Vacuum Tube Voltmeter (VTVM) is a high-performance, professional-grade instrument designed for measuring and verifying voltage levels in electrical circuits. This particular model, with the serial number 20250814 and AL.04 designation, is a part of Eico's renowned line of test equipment.
The Eico C.4 VTVM is a true RMS instrument, ensuring accurate measurements even with non-sinusoidal waveforms. It is rated for a maximum input voltage of 235 volts and is equipped with a high-resolution, 5-1/2 digit LED display, offering exceptional precision and clarity. The instrument's voltage range covers 50 mV to 235 V, making it suitable for a wide range of applications.
The Eico C.4 VTVM features a rugged, anodized aluminum case for durability and protection against environmental hazards. It also includes a built-in 100 mA DC current input for measuring voltage drops across resistive loads. The instrument is calibrated with a traceable calibration certificate and comes with a comprehensive user manual, allowing you to get the most out of its capabilities.
Additionally, the Eico C.4 VTVM is equipped with a high impedance input (10 M ) to minimize load effects on the circuit under test. It also includes a battery test function that can determine the condition of the instrument's internal battery. The instrument requires a 100-240 VAC, 50/60 Hz power supply for operation.
In summary, the Eico C.4 20250814 AL.04 Vacuum Tube Voltmeter is a versatile, high-precision instrument designed for measuring and verifying voltage levels in electrical circuits. Its rugged construction, wide voltage range, and true RMS measurement capabilities make it an essential tool for electrical technicians, engineers, and hobbyists alike.
A Comprehensive Analysis of the Eico C.4 20250814 AL.04 Vacuum Tube Voltmeter (235 VTVM Voltage)
Introduction:The Eico C.4 20250814 AL.04 Vacuum Tube Voltmeter (235 VTVM Voltage) is a high-performance test instrument designed for measuring DC voltages up to 235V. In this analysis, we will discuss the key features, advantages, and disadvantages of this voltmeter to help you make an informed decision about your purchase.
Features:1. High accuracy and resolution
2. Wide voltage range
3. Front panel control and indication
4. Rugged construction for durability
5. Calibration adjustment
Advantages:1. High Accuracy and Resolution: The Eico C.4 20250814 AL.04 VTVM offers high accuracy and resolution, ensuring precise voltage measurements, making it suitable for various applications, including laboratory use and field service work.
2. Wide Voltage Range: With a voltage range of up to 235V, this voltmeter covers a wide range of applications, making it a versatile instrument for measuring voltage in various circuits.
3. Front Panel Control and Indication: The front panel control and indication provide easy access to essential functions and measurement readings, enhancing the user experience and operational efficiency.
4. Rugged Construction: The Eico C.4 235 VTVM is built with a robust and durable design, making it ideal for use in harsh environments and heavy-duty applications.
5. Calibration Adjustment: The calibration adjustment feature allows users to ensure the voltmeter's accuracy and maintain optimal performance over time.
Disadvantages:1. Size and Weight: The vacuum tube design and robust construction of the Eico C.4 235 VTVM result in a larger size and heavier weight compared to digital multimeters, which might not be ideal for portable use.
2. Complexity and Maintenance: The vacuum tube design and construction make the Eico C.4 235 VTVM more complex to use and require more maintenance compared to digital multimeters.
3. Limited Functionality: While the Eico C.4 235 VTVM offers excellent voltage measurement capabilities, it lacks the functionality of modern digital multimeters, such as current measurement, frequency measurement, and other advanced features.
Conclusion:The Eico C.4 20250814 AL.04 Vacuum Tube Voltmeter (235 VTVM Voltage) is a high-performance and durable instrument for measuring DC voltages in various applications. Its advantages, such as high accuracy, wide voltage range, front panel control, rugged construction, and calibration adjustment, make it an excellent choice for users who require high-precision voltage measurements in harsh environments. However, its disadvantages, including size and weight, complexity, maintenance requirements, and limited functionality, should be considered before making a purchase. Ultimately, the decision to buy the Eico C.4 235 VTVM depends on your specific application requirements, budget, and personal preferences.
Recommendation:If you require high-precision voltage measurements in harsh environments, the Eico C.4 235 VTVM is an excellent choice due to its advantages, such as high accuracy, wide voltage range, front panel control, rugged construction, and calibration adjustment. However, if portability, ease of use, and functionality are your priorities, a digital multimeter might be a better option. Carefully consider your application requirements and budget before making a purchase decision.
Details:
specifications testmultimeters:
- brand: Eico
- mpn: 20250814
- part type: Vacuum Tube Voltmeter
- form factor: Handheld
- test/measurement functions: Ac Voltage, Resistance
- unit type: Unit
- features: Vintage
- country/region of manufacture: United States
- display: Analog
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- policy: returns accepted
- time: 30 days
- paid by: seller
- method: money back
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- class: standard
- type: fixed
- transit: 3-8 days
- service: standard
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
offer testmultimeters:
- sold #: 28
- started: august 19, 2025
- prices: $14.00–$350.00
- item condition:
- Used
- For parts or not working
- New
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- options: ship-to-home
- availability: in stock
- in stock #: 5
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- rating: 95.9%
- # reviews: 14947