4位半数字式电表 DM-74

台湾七泰4位半数字式电表DM74电流表头DM-74

4位半數字式電錶（72×36）

MODELDM-74

特性

? 4位半顯示（19999）
? 可量測直流電壓
? 類比信號量測
? DIN規格72×36 mm.

詳細規格

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

訂購編號

腳位連接圖

開孔尺寸　(單位：釐米)

台湾七泰4位半数字式电表DM74电流表头DM-74