简要说明：DB3-AA DB3-AV DB3-DV DB3-DA, DB3I-AV DB3I-DA DB3I-DV DB3I-AA大连数显电流表电压表
3位半显示，测量交直流电流电压；可带4∽20mA变送输出；可测量平均值，也可测量真有效值具有零点外调、比率调节功能红色高亮度数码管显示14.2mmH，显示范围±1999；工作电源AC/220V 50/60Hz，

　　●数显电流电压表 DH3-AV,DH3-AA,DH3-DV,DH3-DA,DH6-AV,DH6-AA,DH6-DV,DH6-DA,DH7-AV,DH7-AA,DH7-DV,DH7-DA,DH8-AV,DH8-AA,
DH8-DV,DH8 -DA,DH9-AV,DH9-AA,DH9-DV,DH9-DA,DB3-AV,DB3-AA,DB3-DV,DB3-DA,DB3I-AV,DB3I-AA,DB3I-DV,DB3I-DA,DB5-AV,DB5-AA,
DB5-DV,DB5-DA,DH4-PAV,DH4-PDV,DH4-PAA,DH4-PDA,DH4I-PAV,DH4I-PDV,DH4I-PAA,DH4I-PDA,DB4I-PAA,DB4I-PAV,DB4I-PDA,DB4I-PDV
●数显功率/工频表/功率因素 DB3-W,DB3I-W,DB3-BW,DB3-Hz,DB4-W,DB4I-W,DB4-PW,DB4I-PW,DB4-PF01,DB4I-PF01,DB4-PF02,
DB4I-PF02,DB4－Hz,DB4I-Hz,DB4-PHz,DB4I-PHz,
●计数器/长度计DB6-P61A,DB6-P62A,DB6-PS61A,DB6-PS62A,
TE-C48,TE- C72,TE-C49P41B,TE-C49P62A,TE-L48,TE-L72,TE-L49P41B,TE-L49P62A,DH6,DH6,DH7,DH7,TCN-T40A,TCN-T60A,
TCN-P41A,TCN-P61A,
●智能时间继电器 DH4-TM41A,DH4-TM42A,DH7-TM41A,DH7-TM42A,DH8-TM41A,DH8-TM42A,TE-TM48,TE-TM49,TE-TM72,
●温度表/温控表/温湿度控制仪DH4-HT01B DH8-HT01A DH6-HT01B
 DB3-T200P DB3-T200K DB3-T499K DB3-T499P DB3-T800K DB3-T800P DB3-T1200K DB3-T1200P
 DH-T48KB DH-T48PB DH-T48KV DH-T48PV DH-T96KB DH-T96PB DH-T96KV DH-T96PV DH-T72KB DH-T72PB DH-T72KV DH-T72PV DH-T94KB DH-T94PB DH-T94KV DH-T94PV