Description Overview GAOTek DC volt mA signal calibrator has 4 power supply modes external DC 1 s 30 V or USB 5 V or built-in lithium battery, emergency AC transformer power supply AC 12 V to 24 V, output with short circuit protection, non-polar power access, with DC bridge isolation protection. Multiple display modes voltage and current 100.0% or 50.0 Hz, dual mode coarse and fine adjustment, large number, lithium battery charge and discharge overcurrent protection; Encoder knob 360 degrees stepless adjustment, stable and durable Technical Specifications Output voltage signal. 0 V to 10 V 2 V to 10 V 0 V to 5 V 1 V to 5V 0 V to 3.3 V) Output current signal 0 mA to 22 mA, 4 mA to 20 mA Display mode Actual output or percentage 0% to 100% or 50 Hz) External power supply DC or AC 12 V to 28 V Power 1 W (non-charging) or 5 W (charging) Battery type 3.7 V lithium battery capacity 1000 mAh or 200 mAh Maximum charging current 0.5 A (optional) External USB-A 5 V current 0.3 A (Not-charging) or 1 A (charging) Nixie tube display Digit 4, two decimal encoder knob 1 turn pulse plus number 20 Size Approximately 3.86 in x 2.72 in (98 mm x 69 mm)
