带变送数字面板表 DM3C-DV2 DM3C-DA0.02 DM3C-DV20 DM3C-DV200 DM3C-DA2 DM3B-DV2

带变送数字面板表 DM3C-DV2 DM3C-DA0.02 DM3C-DV20 DM3C-DV200 DM3C-DA2 DM3B-DV2 特点:FEATUES 通用性表壳,体积小巧 测量准确、性能可靠具有小数点设定功能?With?decimal?point?setting?function?? ?? 一、型号及含义?ORDERING?CODE???? ?量程代号或量程?range?code?or?range?? 测量参数?DA：直流电流?DV：直流电压?FR：频率、转速、计数? 外型尺寸?A：36H*72W?B：42H*79W?C：48H*96W?D：特殊尺寸?? ?? 显示位数?电流、电压表?3：三位半（3?1/2）?4：四位半（4?1/2）? ?????????频率计数转速表?4：四位?（4Digit）?5：五位?（5Digit） DM系列数字面板表?Digital?Panel?Meter?? 选型示例：DM3B-DV200，直流电压面板表，外形尺寸?42H*79W，量程输入0-200V。? ?? 二、型号及技术参数?MODEL?AND?SPECIFICATION?? ??????[1]直流数字电压表?DC?DIGITAL?VOLTMETER?? 型号?Model??量程?Range??分辨力?Resolution??输入电阻?Input?Impedance??精度?Measuring?accuracy??较大允许输入?Input?protection?? DM3□-DV0.2??199.9mV?100uV?10MΩ?±0.3%F.S±2Digit?10V? DM3□-DV2?1.999V?1mV?10MΩ?±0.3%F.S±2Digit?100V? DM3□-DV20?19.99V?10mV?10MΩ?±0.3%F.S±2Digit?250V? DM3□-DV200?199.9V?100mV?10MΩ?±0.3%F.S±2Digit?500V? DM4C-DV2?1.9999V?100uV?10MΩ?±0.1%F.S±2Digit?100V? DM4C-DV20?19.999V?1mV?10MΩ?±0.1%F.S±2Digit?250V? DM4C-DV200?199.99V?10mV?5MΩ?±0.1%F.S±2Digit?500V? ? ??????[2]直流数字电流表?DC?DIGITAL?AMMETER?? 型号?Model?量程?Range?分辨力?Resolution?输入电阻?Input?Impedance?精度?Measuring?accuracy??较大允许输入?Input?protection?? DM3□-DA0.0002??199.9uA?100nA?1KΩ?±0.3%F.S±2Digit?10mA? DM3□-DA0.002?1.999mA?1uA?100Ω?±0.3%F.S±2Digit?50mA? DM3□-DA0.02?19.99mA?10uA?10Ω?±0.3%F.S±2Digit?150mA? DM3□-DA0.2?199.9mA?100uA?1Ω?±0.3%F.S±2Digit?500mA? DM3□-DA2?1.999A?1mA?0.1Ω?±0.5%F.S±2Digit?3A? ? ??????[3]电压、电流表技术参数?DC?DIGITAL?AMMETER,VOLTMETER?SPECIFICATION?? 较大显示?Max.display??1999(3?1/2);19999(4?1/2)? 输入方式?Input?mode??单端输入?Single?ended?input? 测量方式?Measuring?mode??双积分?A/D?转换?Dual?slope?A/D?conversion?? 测量速度?Sampling?rate??约2.5次/秒?Abt.2.5/sec?? 溢出显示?Overflow?indication??"-1"or"1"(3?1/2);"0000"?or?"-0000"(4?1/2)?闪动?LED?flash?? 极性显示?Polarity?display??只显示"-"?Only?"-"?display? 显示?Display??红色?LED?Red?LED?? 电源?Power?supply??DC?5V?±10%?<=70mA(3?1/2);DC?5V?±0.2V?<=80mA(4?1/2)? 工作环境?Operating?temperature?and?humidity??0~50度?<85%RH? ??????[4]频率、转速?FREQUENCY,TACHOMETER,COUNTER?DIGITAL?PANEL?METER?? 型号?Model?测频范围?Frequency??测量转速范围?Rotary?speed?range??计数范围?Counter?range??量程转换?Range?conversion?? DM4A-FR1?1-9999Hz?60-9999Rpm?0-9999?自动?Auto?? DM4B-FR1?1-9999Hz?60-9999Rpm?0-9999?自动?Auto?? DM5C-FR1?1-19999Hz?60-99999Rpm?0-99999?自动?Auto?? ? ?（2）功能选择FUNCTION?SELECT????? ????插入位置?Position? ????说明：改变功能后，请复位或重新开关仪表电源一次? ? ?（3）技术参数?SPECIFICATION?? 项?目?Item?参数?Parameter? 显示?Display??红色?LED?Red?LED?? 输入电阻?Input?Impedance??10K? 输入信号?Input?Signal??高电平3-25V；低电平0-2V的开关量信号? 输入波形?Input?Waves??方波信号?Square?Wave?? 极限输入电压?Input?Protection??30V?? 频率精度?Frequency?Accuracy??0.05%±1Digit?(DM4A-FR1;DM4B-FR1)?;?0.05%±10Digit(DM5C-FR1)? 较大输入频率?Max.Input?Frequency??20KHz? 计数速度?Counting?Speed??<30CPS? 频率采样时间?Sampling?Rate??<=1Sec? 小数点?Decimal?Point??根据量程自动改变Auto?change?with?the?setting?of?range?? 溢出显示?Overflow?Indication??"-"?or?"-"? 电源?Power?Suqqly??DC?+5V?±10%?<=90mA? 工作环境?Operating?Temperature?And?Humidity??0-50度?<85%RH?? ?? 三、端子连接?TERMINAL?CONNECTION???? ?? 四、外形及表盘加工尺寸?FIGURE?AND?DIMENSIONS?? ?? 五、注意?CAUTIONS?? ??????1.若输入信号伴随高频干扰，应在线里用高频过滤器。? ??????If?the?input?**?is?supwrimpsed?with?high-frequency?noise,use?low-passed?filter?isolate?the?supply?? ??????2.当电压与电流表共用一个电源较易造成数字表损坏，各表头应隔离供电。? ??????When?Voltmeter?and?Ammeter?share?power?ground,it?is?easy?to?result?meter?damaged,Every?meter?should?isolate?the?supply?power???????3.存放温度：-10度+70度，长期保存应避免直射光线。每三个月通电一次，通电时间不少于4小时。