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產(chǎn)品名稱: 4位半數(shù)字式電表DM-74│臺(tái)灣七泰 Chitai
產(chǎn)品型號(hào): DM-74 4位半數(shù)字式電表│臺(tái)灣七泰 Chitai
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簡單介紹
4位半數(shù)字式電表DM-74│臺(tái)灣七泰 Chitai：? 4位半顯示（19999）? 可量測(cè)直流電壓? 類比信號(hào)量測(cè)
4位半數(shù)字式電表DM-74│臺(tái)灣七泰 Chitai
的詳細(xì)介紹
4位半數(shù)字式電表DM-74│臺(tái)灣七泰 Chitai
4位半數(shù)字式電錶（72×36） MODEL DM-74 | |
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  特性 | ? 4位半顯示（19999）
? 可量測(cè)直流電壓
? 類比信號(hào)量測(cè)
? DIN規(guī)格72×36 mm.
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詳細(xì)規(guī)格 | Display............. 4 1/2 (19999) 0.56〞(14.2mm), Red LED
Accuracy..................................... DC ±0.03% RD.±2 digits
Conversion rate (about) ................................... 1/sec. (DC)
Over input indication........................................."0000"flash
Polarity ................................................. Only "－" Display
Operating temp. .................................................. 0～60℃
Storage temp. .................................................. -10～70℃
Temp. coefficient ...............................................................
..................... ≦100PPM/℃(≦60PPM/℃, 25℃±10℃)
Max. relative humidity ............................................... 95%
Dielectric strength ..... AC 2 KV/1 min. (input/power/case)
Surge test ..............................4 KV/1.2×50μs, IEC 255-4
Aux. power ................................... AC 90~260V 50/60Hz
DC 24V, 48V, 110V, ±20% (option)
Power consumption ........................... AC 3.5VA, DC 3W
Weight (about) ......................................................... 200g
| ORDER
CODE | RANGE | INPUT
IMPEDANCE | IHPUT
PROTECTION | V1 | 0~199.99mV | ≧10 MΩ | 100V | V2 | 0~1.9999V | ≧10MΩ | 100V | V3 | 0~19.999V | ≧1MΩ | 500V | V4 | 0~199.99V | ≧1MΩ | 750V | V5 | 0~600.0V | ≧1MΩ | 750V | E1 | DC 4~20mA | ≦20Ω | 500mA | E2 | DC 0~10V | ≧1MΩ | 500V | E3 | DC 1~5V | ≧1MΩ | 500V | E4 | DC 0~50mV | ≧10MΩ | 100V | E5 | DC 0~200mV | ≧10MΩ | 100V |
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