中國臺灣七泰4位數(shù)頻率測量電表FDM-41的詳細(xì)資料

FDM-41 中國臺灣七泰4位數(shù)頻率測量電表特性

? FDM-41：4位數(shù)顯示（9999）

? CTEC601：5位數(shù)顯示（99999）

? zui小輸入5Hz（FDM-41）

? 小數(shù)點(diǎn)自動改變（FDM-51）

? 高穩(wěn)定性

? DIN規(guī)格96×48 mm.

詳細(xì)規(guī)格

開孔尺寸　(單位：釐米)

Display........ 4 Digits (9999) 0.56〞(14.2mm), Red LED (FDM-41)

5 Digits (99999) 0.56〞(14.2mm), Red LED (FDM-51)

Accuracy............................................................. ±0.05% (FDM-41)

 ±0.02% (FDM-51)

Conversion rate (about)........................................................... 1/sec.

Over input indication................................... "0000" flash (FDM-41)

"999.99"flash (FDM-51)

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 115V/230V ±10%, 50/60 Hz

DC 24V, 48V, 110V, ±20% (option)

Power consumption ........................................ AC 3.5VA, DC 3W

Weight (about) ....................................................................... 340g