DS2002H Strength Meter Zhengzhou where to sell? Is not Quanguolianbao? Price Quality? Sales: Zhujing of 18939564786 DS2002H Strength Meter Zhengzhou where to sell? Is not Quanguolianbao? Price Quality? The main technical indicators: * more reliable: high-strength materials, experience vibration and shock test * smarter: the latest technology, highly integrated design, lighter weight, higher technological content per gram, so you easily every day frequency / channel Specifications: Frequency range: 46MHz ~ 864MHz range of channels: China standard channel DS1 to DS56 additional channel Z1 ~ Z43 frequency accuracy: ± 50 x 10-6 (20 ° C ± 5 ° C) Resolution: 50 kHz measurement bandwidth: 280kHz ± 50kHz Frequency Step: 50kHz, 1MHz, 10MHz, 100MHz level measurement Measuring range: 30dBμV ~ 120dBμV measurement accuracy: ± 2 dB (20 ° C ± 5 ° C) Resolution: 0.5dB detector: peak detector input impedance: 75 (unbalanced, TAC or F-type connector) contains noise ratio measurement: (optional) Measuring range: 20dB to 50dB signal input range: ≥ 85dBμV measurement accuracy: ± 2.5dB (20 ° C ± 5 ° C) (Close carrier measurements) resolution: 0.5dB voltage measurement input range: 1 to 100V AC or DC (AC / DC) measurement accuracy: ± 2V Resolution: 1V: Machine weight: 368g (with battery) Operating Temperature: -10 ° C to 40 ° C Display: STN character LCD Audio output: built-in speaker (single-frequency mode automatically open) the Zhengzhou Hanson Radio and Television Communication Equipment Co., Ltd. Tel :0371 -53,769,167 Sales: Zhujing 18,939,564,786 QQ: 1006519081 Address: Zhengzhou City Zijingshan Road with East Main Street Interchange west 300 meters