Zhengzhou, where the formal agents of analog oscilloscopes]? Address where? The Phone how much? Zhengzhou Megumi Instrument Co., Ltd., specializing in various types of oscilloscopes, analog oscilloscopes, full range, high performance, cost-effective, improve service, low-cost selling in the country! Customers are welcome to contact to buy. 0371-66227105 Products: Model: MOS-620CF channel number: 2 Maximum Input: 300V (DC ACP-p) V supply voltage: 220V Dimensions: 310W × 150H × 455Dmm Weight: 8kg product attributes: performance indicators: CRT CRT screen size 104 x 84mm2 accelerating voltage 2KV/12KV vertical sensitivity of the system: 5mV-5V/div frequency bandwidth of DC-20MHz Rise Time: 17.5ns/8.5ns Input impedance: 1M? / / 30pF maximum input voltage: 300V (DC ACP- p) Input coupling AC, GND, DC work CH1, CH2, ADD, ALT, CHOP Description: Horizontal System sensitivity 0.2us-0.5s/div (10MAG; 20ns) Accuracy ± 3% (10; ± 5 %) triggered scan mode: Auto / Norm · trigger Of Interest CH1 CH2, LINE EXTEXT, input impedance  1M? / / 30PF X-YX axis of sensitivity  of 5mV-5V/div X-axis precision ± 5% X-axis band DC-1MHz Y-axis Y 5mV - 5V/div phase difference orless (DC-50KHz) calibration signal level 2V (± 2%) frequency 1KHz ± 1.5% Supply Voltage 110/220VAC: ± 10% Frequency 50/60Hz Power Consumption 35W Zhengzhou City Megumi Instrument Co., Ltd. Contact: Mr Zhu 13017693918 Tel 0371 66,227,105 QQ: 625 132 122 Address: Zhengzhou City, West Street, South Street intersection the (Tube City Commission southward 300 meters) official website: www.91-17.com