原廠資訊...
CREDIX (前身為 JUNG JIN) 創立於1980年,以RF 應用技術,模擬數位電子技術為根本 ,其DAB/T-DMB 訊號模擬器為世界佔有率最高之訊號測試器,現在其推出All in One 數位電視訊號模擬器,在同一設備上內建多個DTV系統,同時多個RF訊號輸出 ,相信可再成為數位電視測試系統,不可缺少之設備.
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 DM-500 : Digital Multimeter
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The model DM - 500 is a digital multi-meter designed for system and bench use with the Max. 5½ digits display. It is provided with measurement function for DC voltage/current, AC voltage/current, 4 or 2 wire resistance, frequency, period, diodes, continuity and math. Functions such as null, dB, dBm, limit test, and Min./Max./Avg. are easily selected. The model DM-500 is provided with a variety of interfaces for use in R&D sections and automatic production line.
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* High performance, High accuracy measurement
* Measurement function
- DC/AC voltage : DC - 1000V Max., AC - 750Vrms Max.
- DC/AC current : Max. 5A
- 2W/4W Resistance: Max. 100MΩ
- Frequency : 10Hz ~ 300kHz
- Period : 3.333usec ~ 0.1sec
- Continuity: Test limit Max. 1kΩ
* Math function : null, dB/ dBm, Max./ Min./ Avg. limit test
* Menu function : 12 kind's parameter
* Trigger input : internal/ external selectable
* Measurement range : auto/ manual selectable
* RS-232C, GPIB(option)
* Bright, easy to view display using VFD
* Soft rubber key
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- Frequency & Period : 10Hz(0.1s) ~ 300kHz(3.3333 us)
- Input Voltage Range : 10mVrms ~ 50Vrms
- Continuty : Beeper below adjustable threshold (1Ω ~1kΩ) |
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