The current signal generator and signal source manufacturer is primarily designed for use in industrial settings, especially for debugging PLCs and process instruments. It offers a simple operation interface, long standby time, compact size, lightweight design, and high precision. The device is charged via a T-type USB port, allowing it to be powered by a mobile phone or computer, making it highly portable and convenient for field use.
This signal generator features two output modes: one for current/voltage output and another for sensor simulation. Each output has dual functionality, enhancing its versatility in different applications.
One of the key features is the sensor analog output, which allows the device to simulate a 4~20mA two-wire power distribution signal, commonly used by devices like pressure transmitters. The positive and negative terminals of the meter are equivalent to those of a two-wire sensor, ensuring compatibility with standard sensor setups.
Another important feature is the passive output function, which can act as a 0~24mA input. This makes the device suitable for testing and calibrating various types of equipment that require input signals. Additionally, both input and output ranges can be configured for display, such as mapping 0~50 to 4~20mA, providing flexibility in application scenarios.
In terms of technical specifications, the active current output ranges from 0~24mA with a resolution of 0.01mA. The maximum load resistance is 500 ohms (note that 750 ohms is possible but may reduce battery life; it's not recommended unless necessary). The passive current output also provides 0~24mA with the same resolution, and it can operate with a maximum negative power supply of 25V, functioning as a current input.
The device also includes a 0~24mA passive input interface, with a resolution of 0.01mA. A voltage output of 0~11V is available, with a resolution of 0.01V. The overall accuracy is ±0.01%, ensuring reliable performance in critical applications.
Powering the device is a single 3.7V lithium battery, which provides approximately 10 hours of operation at a 20mA current level. The operating temperature range is from -10°C to 50°C, making it suitable for a wide range of environments. The device supports USB charging, offering a convenient and universal power solution. The backlight is white, improving visibility in low-light conditions.
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