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The voltage and current signal generator is the most commonly used electrical test instrument for electrical engineers and technicians during onsite installation, commissioning, overhaul and maintenance of electrical equipment.
Pluggable terminal blocks, safe and convenient wiring.
4-digit high-definition digital tube, the display brightness is evenly adjustable (1-8 brightness).
2 power supply methods: external power supply, DC5V micro USB. As long as you work all the way, you can also connect at the same time.
DC 15-30V external power supply, which can share the 24V power supply of PLC and other equipment.
MicroUSB universal interface, can be connected to mobile power, charger, computer USB port, etc.
On the normal operation screen, save a voltage and current value, click the encoder to save, and after releasing the "OK" button, the screen displays "...", indicating that the save is successful. After restarting, the saved value will be displayed directly, and there is no need to adjust the parameters every time when starting up, which is very practical.
Easy to carry and small in size, it is the best choice for on-site debugging.
Specification:
Material: ABS
Colour: black
Voltage output: ± 12V
Current output: 0-24mA
Charging method: external power supply, DC5V micro USB
Device works as described and expected.
Version without acu, but you can plug in any 3,7 li-po with jst plug. My 500maH battery full charget works about 2 hours.
More info - manual on product page http://www.fnirsi.com.cn/product/704360447763156992
Roymall C.o.
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Direct purchase from the factory 
Tools
Measurement & Analysis Instruments
Digital Multimeters & Oscilloscope
Signal Generator
