SYLVANIA 221Z Polymeter Vtvm Vacuum Tube Volt Meter

( Brand: Sylvania ), ( Manufacturer Part Number: 221Z ), ( Part Type: Vacuum Tube Meter ), ( Country/region Of Manufacture: United States )

Review SYLVANIA Polymeter Vtvm Vintage Vacuum Tube Volt Meter

The Pennsylvania Polymeter 221Z VTVM (Vacuum Tube Volt Meter) is an essential tool for any electronics enthusiast or professional. This vacuum tube voltmeter boasts a robust construction, featuring a sturdy metal casing that is both durable and easy to handle. The meter's front panel is adorned with a clear, easy-to-read dial, which is accompanied by a set of highly responsive, high-contrast indicator lamps.

The Pennsylvania Polymeter 221Z VTVM is designed with a wide range of features to cater to various applications. It offers a voltage range of 0.01V to 1000V AC/DC, making it capable of accurately measuring voltages in a wide variety of circuits. The meter also features a built-in microammeter, enabling it to measure currents as low as 0.01mA.

One of the standout features of the Pennsylvania Polymeter 221Z VTVM is its dual-triode circuit design. This innovative design ensures exceptional accuracy and stability, even under heavy load conditions. The meter also includes a DC millivolt calibration adjustment knob, allowing you to fine-tune the meter's reading for improved precision.

The Pennsylvania Polymeter 221Z VTVM is powered by a single 6.3V AC/DC input, making it easy to use in various power supply configurations. The meter also features a high input impedance, ensuring minimal load on the circuit being tested.

In conclusion, the Pennsylvania Polymeter 221Z VTVM is a versatile and reliable vacuum tube voltmeter that offers a wide range of features and exceptional accuracy. Whether you're a hobbyist or a professional, this meter is an indispensable tool for any electronics workbench.

1. High Accuracy: The Pennsylvania Polymeter 221Z VTVM is known for its high accuracy in measuring voltage, current, and resistance. This makes it suitable for various electrical applications where precision is crucial.

2. Tube Technology: Vacuum tube voltmeters like the 221Z have a unique characteristic of being less susceptible to electrical interference compared to digital meters. This can be an advantage in environments with high electrical noise.

3. Durability: Vacuum tubes are robust and can withstand harsh conditions better than their digital counterparts. The 221Z is built to last, making it a good investment for long-term use.

4. Retro Appeal: For those who appreciate vintage technology, the Pennsylvania Polymeter 221Z VTVM has a classic and aesthetically pleasing design.

1. Limited Functionality: Compared to digital multimeters, the 221Z has limited functionality. It can only measure voltage, current, and resistance. It does not have features like data logging, auto ranging, or min/max functions.

2. Complexity: Vacuum tube voltmeters can be more complicated to use than digital multimeters. They require more calibration and maintenance.

3. Lack of Precision in Low Voltages: While the 221Z is accurate in high voltage measurements, it may not be as precise in measuring low voltages.

4. Size and Weight: Vacuum tube voltmeters are generally larger and heavier than digital multimeters, making them less portable.

The Pennsylvania Polymeter 221Z VTVM is a reliable and accurate instrument for measuring voltage, current, and resistance. Its vacuum tube technology provides robustness and resistance to electrical interference. However, its lack of functionality, complexity, and less precise low voltage measurements are significant drawbacks.

If you are looking for a vintage tool with a classic design and high accuracy in high voltage measurements, the Pennsylvania Polymeter 221Z VTVM could be a good choice. However, if you require a more versatile and portable instrument with a wider range of functions, a digital multimeter might be a better option.

In conclusion, consider your specific needs and preferences before making a decision. If you value precision, durability, and retro appeal, the Pennsylvania Polymeter 221Z VTVM could be a worthwhile investment. If you need a more versatile and modern tool, a digital multimeter might be more suitable.

Details:

Untested, appears complete other than the RF probe. Used Sylvania electric polymeter 221Z vacuum tube volt meter.

Three probes included. No RF probe.

specifications vintaelec:

• brand: Sylvania
• mpn: 221z
• part type: Vacuum Tube Meter
• country/region of manufacture: United States

Payments vintaelec:

• PayPal

Returns vintaelec:

• policy: no returns

Ratings:

1. Exact , careful packaging, very prompt shipment, thank you A 01-16-18
2. Came quickly and great price, thanks! 01-16-18
3. Item received in great condition 01-16-18
4. good seller 01-16-18

General vintaelec:

• in stock: Yes
• vintage electronics > equipment

Shipping vintaelec:

• handling: 3 days
• type: Calculated
• cost: $10.0

Offer vintaelec:

• quantity: 1
• bids: 0
• Sold: 0
• Started: January 17, 2018, 2:36 pm
• best offer: true

Seller vintaelec:

• city: Medford, Oregon
• zipcode: 97504

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