��׃�͔�(sh��)�ֱ��^ DM3A-DA2 DM3A-DA5 ���c(di��n):FEATUES ͨ���Ա횤,�w�eС�� Current watchcase,delication �y�������� Precise measuring,reliable performance ����С��(sh��)�c(di��n)�O(sh��)������ With decimal point setting function һ����̖�����x ORDERING CODE ���̴�̖������ range code or range �y������(sh��) DA��ֱ����� DV��ֱ��늉� FR���l�ʡ��D(zhu��n)�١�Ӌ(j��)��(sh��) ���ͳߴ� A��36H*72W B��42H*79W C��48H*96W D������ߴ� �@ʾλ��(sh��) �����늉��� 3����λ�루3 1/2�� 4����λ�루4 1/2�� �l��Ӌ(j��)��(sh��)�D(zhu��n)�ٱ� 4����λ ��4Digit�� 5����λ ��5Digit�� DMϵ�Д�(sh��)������ Digital Panel Meter �x��ʾ����DM3B-DV200��ֱ��늉����������γߴ� 42H*79W������ݔ��0-200V�� ������̖�����g(sh��)����(sh��) MODEL AND SPECIFICATION [1]ֱ����(sh��)��늉��� DC DIGITAL VOLTMETER ��̖ Model ���� Range �ֱ��� Resolution ݔ����� Input Impedance ���� Measuring accuracy ������Sݔ�� 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]ֱ����(sh��)������� DC DIGITAL AMMETER ��̖ Model ���� Range �ֱ��� Resolution ݔ����� Input Impedance ���� Measuring accuracy ������Sݔ�� 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]늉�����������g(sh��)����(sh��) DC DIGITAL AMMETER,VOLTMETER SPECIFICATION ����@ʾ Max.display 1999��3 1/2��;19999��4 1/2�� ݔ�뷽ʽ Input mode �ζ�ݔ�� Single ended input �y����ʽ Measuring mode �p�e�� A/D �D(zhu��n)�Q Dual slope A/D conversion �y���ٶ� Sampling rate �s2.5��/�� Abt.2.5/sec ����@ʾ Overflow indication "-1"or"1"��3 1/2��;"0000" or "-0000"��4 1/2�� �W�� LED flash �O���@ʾ Polarity display ֻ�@ʾ"-" Only "-" display �@ʾ Display �tɫ LED Red LED �Դ Power supply DC 5V ±10% <=70mA��3 1/2��;DC 5V ±0.2V <=80mA��4 1/2�� �����h(hu��n)�� Operating temperature and humidity 0~50�� <85%RH [4]�l�ʡ��D(zhu��n)�� FREQUENCY,TACHOMETER,COUNTER DIGITAL PANEL METER ��̖ Model �y�l���� Frequency �y���D(zhu��n)�ٷ��� Rotary speed range Ӌ(j��)��(sh��)���� Counter range �����D(zhu��n)�Q Range conversion DM4A-FR1 1-9999Hz 60-9999Rpm 0-9999 �Ԅ� Auto DM4B-FR1 1-9999Hz 60-9999Rpm 0-9999 �Ԅ� Auto DM5C-FR1 1-19999Hz 60-99999Rpm 0-99999 �Ԅ� Auto ��2�������x��FUNCTION SELECT ����λ�� Position �f������׃���ܺ�Ո��(f��)λ�������_�P(gu��n)�x���Դһ�� ��3�����g(sh��)����(sh��) SPECIFICATION �(xi��ng) Ŀ Item ����(sh��) Parameter �@ʾ Display �tɫ LED Red LED ݔ����� Input Impedance 10K ݔ����̖ Input Signal ���ƽ3-25V�����ƽ0-2V���_�P(gu��n)����̖ ݔ�벨�� Input Waves ������̖ Square Wave �O��ݔ��늉� Input Protection 30V �l�ʾ��� Frequency Accuracy 0.05%±1Digit ��DM4A-FR1;DM4B-FR1�� ; 0.05%±10Digit��DM5C-FR1�� ���ݔ���l�� Max.Input Frequency 20KHz Ӌ(j��)��(sh��)�ٶ� Counting Speed <30CPS �l�ʲɘӕr(sh��)�g Sampling Rate <=1Sec С��(sh��)�c(di��n) Decimal Point ����(j��)�����ԄӸ�׃Auto change with the setting of range ����@ʾ Overflow Indication "-" or "-" �Դ Power Suqqly DC +5V ±10% <=90mA �����h(hu��n)�� Operating Temperature And Humidity 0-50�� <85%RH ���������B�� TERMINAL CONNECTION �ġ����μ����P�ӹ��ߴ� FIGURE AND DIMENSIONS �塢ע�� CAUTIONS 1.��ݔ����̖���S���l�ɔ_����(y��ng)�ھ����ø��l�^�V���� If the input signal is supwrimpsed with high-frequency noise,use low-passed filter isolate the supply 2.��(d��ng)늉��c���������һ��(g��)�Դ�O����ɔ�(sh��)�ֱ�p�ģ������^��(y��ng)���x��늡� When Voltmeter and Ammeter share power ground,it is easy to result meter damaged,Every meter should isolate the supply power 3.��Ŝضȣ�-10��+70�ȣ����摪(y��ng)����ֱ��⾀��ÿ����(g��)��ͨ�һ�Σ�ͨ늕r(sh��)�g������4С�r(sh��)��