TRIPLETT 321-F Simpson Cmodel Round Panel Meter Microamperes Amplifier 3.5 0-100 D.c D.cmodel

( Brand: Triplett ), ( Part Type: Panel Meter Amplifier ), ( Measured Parameter S : 0-1 Amp ), ( Manufacturer Part Number: 321-F )

Review TRIPLETT 3.5 Inch Old Simpson 0-100.c Model Black Round Panel Meter Microamperes Dc

The Triplett 321-F 3.5 Simpson 0-100 DC Model 25 Round Panel Meter is a versatile and accurate measuring instrument designed for DC microampere applications. This meter boasts a 3.5-inch (9 cm) round dial that offers a clear and easy-to-read display, making it an excellent choice for various industrial, laboratory, or monitoring applications.

The Triplett 321-F meter is specifically designed to measure DC currents ranging from 0 to 100 milliamperes (mA) with high precision. Its full-scale deflection is achieved at 100 mA, providing a sensitive and responsive measurement capability. The meter's microampere range makes it suitable for low-current applications, ensuring accurate and reliable readings even in the most delicate measurement scenarios.

The Simpson 0-100 DC Model 25 panel meter features a robust and durable design with a high-impact, UV-resistant polycarbonate housing. This ensures the meter can withstand the rigors of industrial environments while maintaining its appearance and functionality. The meter's backlit dial provides excellent visibility in low-light conditions, making it an ideal choice for applications where readability is crucial.

The Triplett 321-F 3.5 Simpson 0-100 DC Model 25 Round Panel Meter is designed for easy installation and integration into various systems. It comes with a choice of analog or digital output options, including 0-5V DC or 4-20mA current loop outputs. This versatility allows users to seamlessly integrate the meter into their existing control systems or data acquisition systems.

In summary, the Triplett 321-F 3.5 Simpson 0-100 DC Model 25 Round Panel Meter is a reliable, accurate, and versatile measuring instrument ideal for DC microampere applications. Its clear and easy-to-read 3.5-inch round dial, robust design, and various output options make it a valuable addition to any industrial, laboratory, or monitoring setup.

The Triplett 321-F 3.5 Simpson 0-100 DC Model 25 Round Panel Meter is a microampere DC amp meter designed for various industrial applications. Here are some pros and cons of buying this meter:

1. High Accuracy: The Triplett 321-F 3.5 Simpson 0-100 DC Model 25 Round Panel Meter offers high accuracy with a maximum error of (0.1% 1 digit).

2. Wide Dynamic Range: It can measure currents from 0 to 100 mA with a resolution of 0.1 mA.

3. Rugged Construction: The meter has a rugged construction with a stainless steel case that can withstand harsh industrial environments.

4. Easy-to-Read Display: The meter has a bright and easy-to-read 3.5-inch round display that can be viewed from various angles.

5. Overload Protection: The meter has overload protection that prevents damage to the meter in case of overcurrent conditions.

6. Versatile Application: This meter can be used in various industries such as power generation, process control, and automation.

1. Limited Input Voltage Range: The meter is designed for DC applications only and has a limited input voltage range of 8 to 30V DC.

2. Requires Calibration: The meter requires periodic calibration to ensure accurate measurements.

3. Relatively Expensive: Compared to other DC amp meters in the market, the Triplett 321-F 3.5 Simpson 0-100 DC Model 25 Round Panel Meter is relatively expensive.

The Triplett 321-F 3.5 Simpson 0-100 DC Model 25 Round Panel Meter is a high-accuracy, rugged, and versatile DC amp meter suitable for various industrial applications. Its wide dynamic range, easy-to-read display, and overload protection make it an ideal choice for industries that require precise current measurements. However, its limited input voltage range, requirement for calibration, and relatively high price tag are potential drawbacks.

If you require a high-accuracy DC amp meter with a wide dynamic range and easy-to-read display, the Triplett 321-F 3.5 Simpson 0-100 DC Model 25 Round Panel Meter is an excellent choice. However, if you have a limited budget or require a meter with a wider input voltage range, you may want to consider other options in the market.

Details:

Quality Simpson meter panel model #25 with early 1930s pat. New from vintage stock. Complete with original box for safe-keeping over the years. Date 0-100 amps.

Black round body casing measures about 3.5 diameter about 70mm on the inner.

part #: 321 prices

• $29.95-$94.99

specifications melsmeters:

• brand: Triplett
• part type: Panel Meter Amplifier
• measured parameter s : 0-1 Amp
• manufacturer part number: 321-F

seller melsmeters:

• # reviews: 12760
• city: Lynchburg, Virginia
• rating: 100.0%

shipping melsmeters:

• type: Fixed
• transit: 3-10 Days
• service: USPS First Class
• carrier: USPS
• class: Standard
• cost: $5.95

general melsmeters:

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

payments melsmeters:

• credit card: Diners-club
• wallet: Apple-pay
• other

returns melsmeters:

• policy: No Returns

offer melsmeters:

• options: Ship-to-home
• quantity: 1
• best offers: True
• started: February 9, 2026
• availability: In Stock
• sold: 0

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