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Description

WIDE POWER SUPPLY VOLTAGE RANGE &STANDARD CURRENT INPUT RANGE: DROK digital signal generator kit is able to tolerate the widest input voltage range (DC 5-28V, recommended range DC 12-24V). By manually adjusting the potentimeter this generator can provide 4-20mA current output, which can be used in the application that needs..
HIGH-ACCURACY ADJUSTING DESIGN: Our signal adapter is provided with current meter for you to check the output current and scale plate for you to distinguish the running state of the device immediately, which make your adjustment more accurate..
OUTPUT CURRENT VALUE CAN BE FIXABLE: According to your adjustment , the output current can be fixed to the set value automatically and can be used as constant current source. When it is used as constant current source, the max. output current cannot be more than 20mA..
PERFECT PROTECTIVE FUNCTIONS: This generator kit owns input voltage reversed connected protection. The product will not work when it is reversed connected, which effectively protect the product from burning..
WIDE APPLICATION: Our signal simulator can be used in various areas: signal generator, valve adjustment, frequency converter controlling, PLC testing, panel testing, LED testing, simulating the output of transmitter..

Output Impedance Matching of 4-20mA Current Generator: The output source impendence should meet the following needs: According to the formula: I=U/R (Current= Voltage/impedance), the voltage of your power supply divided by the signal impedance is the max. current that generated by the signal receiving terminal. Besides, there is impedance with this current generator, so the formula should be the voltage of power supply / (the signal impedance of the device+ the impedance of the current generator)= output constant current Since the voltage range of power supply of this product is 4-35V, if the practical voltage of the power supply is low and the impedance of the device is high, the product cannot provide enough constant current. Here are the signal matching demands of this product: When the power supply is 24V, the signal impedance cannot be more than 1000ohm. When the power supply is 12V, the signal impedance cannot be more than 500ohm. When the power supply is 5V, the signal impedance cannot be more than 200ohm. If the signal impedance is higher than the above parameters, you can increase the voltage of power supply or decrease the signal impedance to solve the current shortage of the constant current source. Please note that the voltage of the power supply cannot be higher than 28V. Package Includes: 1*4-20mA Signal Generator

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DROK® 4-20mA Signal Generator, DC 5-28V Handheld Constant Current Analog Simulator, Stable Ampere Current Adjusting Module with LED Digital Amp Display for Frequency Converter Control, PLC

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