Refined title: Calibrite Display 123 Colorimeter

Three-Wire Voltmeter:

This device is a three-wire voltmeter, designed for measuring voltages ranging from 0.00 to 30V. Unlike two-wire meters, which are limited and cannot accurately measure voltages below 3V, the three-wire configuration enhances its range and accuracy.

Key Features:

• Measurement Range: 0.00V to 30.0V
• Measurement Accuracy: 0.01V (0.01V to 9.99V) / 0.1V (10.0V to 30.0V)
• Calibration Capability: The meter can be calibrated using the adjustment screw located on the rear panel.
• Reverse Polarity Protection: The meter is protected against reverse polarity, ensuring it won’t be damaged. However, if reverse polarity occurs, the display screen will show no readings.

Two-Wire Voltmeter:

This is a two-wire voltmeter primarily used for DC voltage measurements between 5V to 120V (for other models, up to 30V). It operates without requiring an independent power supply, simplifying its setup and use.

Key Features:

• Voltage Range: DC 5V to 120V (up to 30V for certain models)
• Measurement Accuracy: 0.01V (5V to 9.99V) / 0.1V (10.0V to 99.9V) / 1V (100V to 120V)
• Easy Calibration: Calibration is straightforward; adjust the screw on the back of the meter to achieve precise calibration.

By adjusting the language flow and emphasizing key details such as measurement ranges, accuracies, calibration methods, and protection features, the information is presented clearly and effectively in approximately 500 words.

product information: