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The Everwell DT201D is an auto-range digital clamp meter designed for a variety of electrical measurements. This compact, handheld, and battery-operated instrument is capable of performing AC/DC voltage, AC current, resistance, audible continuity, diode, and temperature measurements. It features a 3 5/6 digits, 6000-count LCD display that updates 2 times per second, providing clear and precise readings. The meter is designed to conform to EN61010-1 standards, with an over-voltage category of CAT III 600V and CAT II 1000V, and a pollution degree of 2, ensuring safe operation in various environments.
The core function of the DT201D is its ability to measure electrical parameters without direct contact with the conductor, thanks to its transformer jaws. These jaws allow for the measurement of AC current flowing through a conductor by simply clamping around it. The trigger mechanism facilitates easy opening and closing of the jaws.
Beyond current measurement, the device offers comprehensive voltage measurement capabilities for both AC and DC circuits. Users can select between V (voltage) or mV (millivolt) ranges and choose between AC or DC voltage tests using the "SELECT" key. The meter automatically indicates the polarity of the RED lead connection during DC measurements.
Resistance measurement is another key feature, allowing users to determine the electrical resistance of a component or circuit. The function switch can be set to the appropriate resistance range, and the "SELECT" button is used to choose the resistance measurement mode, indicated by the "MΩ" symbol. For in-circuit resistance measurements, it is crucial to ensure that all power is removed and capacitors are fully discharged to prevent damage to the meter or the circuit under test.
The continuity test function helps identify complete electrical paths. When the resistance in a circuit is below approximately 30Ω, the built-in buzzer will sound, indicating continuity. If the resistance is between 30Ω and 100Ω, the buzzer may or may not sound, and it will not sound if the resistance exceeds 100Ω.
Diode testing allows for the verification of diode functionality by measuring the approximate forward voltage drop. The meter displays "OL" if the connections are reversed, indicating an open circuit.
Temperature measurement is facilitated by a K-type thermocouple, which connects to the input jacks. Users can set the function switch to the "TEMP" position and place the thermocouple sensor on or inside the object to be measured. The display shows the temperature in Celsius (°C), and the "SELECT" button allows for conversion between Fahrenheit and Celsius.
The DT201D also includes capacitance measurement, where test leads are connected across the capacitor. For capacitances above 100uF, it is important to allow at least 5 seconds for readings to stabilize.
Frequency and duty cycle measurements are available. The "Hz/Duty" button allows selection between Hz or DUTY CYCLE measurement. Frequency can also be measured through the clamp for AC current.
The DT201D is designed for ease of use with several user-friendly features:
Proper maintenance ensures the longevity and accuracy of the DT201D:
General| Type | Digital Thermometer |
|---|---|
| Accuracy | ±0.1°C (±0.2°F) |
| Resolution | 0.1°C (0.1°F) |
| Display | LCD |
| Battery | 1.5V DC (LR41 or SR41) |
| Waterproof | Yes |
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