Features Value Power requirement 190 - 265 VAC / 50 - 60 Hz single phase Dimensions L130 x W250 x D415 mm Weight 6 kg Box color RAL3020 Display 2 lines x 16 characters LCD screen with backlight LED light bar 10 LEDs to display the peak value of welding output Keyboard 6 keys (including ON/OFF) Microprocessor 16 bits / 20MHz analog / digital signal converter 10 bits / 12 bits Normal frequency range 34700 - 35150 Hz Frequency measurement Real-time, the box can automatically adjust to the normal frequency range Rated output 900W Maximum output 10% more than the rated output Internal amplitude adjustable, range 50 - 100%, unit 5% External amplitude input 4 digits to set the operation mode time, ultrasonic stop vibration, external control mode time setting range 0.005 - 9.999 s, precision 0.001 sUltrasonic stop modeBuilt-in counter and defective counterRange 0 - 9999999999Trigger start modeTrigger time trigger setting range: 0.000 - 9.999 sPress controllerTwo-hand start switch & press air pressureInternal power supply24VDC / 400mA with voltage regulation and short-circuit protectionSignal input optocoupler20 - 28 V DC / 7 mASignal outputOpto coupler 22 - 26 V DC / 250mA, with short-circuit protectionEmergency stopScreen display messageError messageScreen display / hardware output (buzzer is required)Connection plugs are all D-subMain power switchLanguages on the back of the electrical boxEnglish, German, Spanish, French, Italian, etc.Placement temperatureOperation -5℃ ~ 45℃ / Storage -20℃ ~ 60℃Design and manufacturing placeSwitzerland