VC77 Digital Multimeter 2 In 1 4-20MA Signal Output Multimeter Process Signal Source

Click here to download English manual Features: 1.Multimeter & Signal Source 2 in1 2. Loop detection function A. Simultaneously supply 24V loop and measure current. B. Built-in 250 ? HART loop resistor for easy access to HART communication devices without the need to carry load resistors separately. 3. Analog output function A. 4~20mA current setting by bit, manual step output function. B. SIMULATE function simulates the transmitter. C. Can be displayed in mA and percentage. D. The output accuracy is 0.2% and the output is displayed as 5 bits. 4. Measurement function A. AC voltage, DC voltage, ohmic, DC current, on and off, diode. B. The measurement accuracy is 0.5% and the current measurement is displayed as 5 bits, which is displayed as 4 bits. C. Measurement rate: 2.5 times / sec D. Can be displayed in mA and percentage. E. Data retention function. 5. Use panel calibration technology. Specifications: Display Screen: display in four digits(5 in current measurement and output) Refresh display:2.5 displays/second Operation temperature and moisture range :0~40 C, relative moisture85%(no condensation) Storage temperature and moisture range:-20 C~60 C,relative moisture90%( no condensation) Accuracy required temperature and moisture range:235C,relative moisture75%( no condensation) Temperature co-efficiency:0.1 basic accuracy / (temperature range 28) Continuity/open test:Beeper sounds for resistance readings below threshold, or to indicate a momentary open circuit Battery type:two AA 1.5V Alkaline (LR6) batteries(Not included) DC current output(SIMULATE):about 50 hours; DC current output (SOURCE)20mA(1000 load):about 2.5 hours. Battery life:when using alkaline battery:measures any parameter: about 100 hours; Low battery:displays battery symbol Automatic power-off:The default value is 5 mins if no operation which is adjustable. Preheating time:10min Measuring detailed accuracy indicator Measuring part range frequency accuracy remark DC voltage 50V 10mV 0.5%+4 Measuring impedance 10 M (standard value) Common mode restrain: 50Hz or 60Hz > 100Db String mode restrain:50Hz or 60Hz > 45dB Overload protection: 600V (pea'k pea'k value) AC voltage 500V 100mV 0.5%+20 ( 45Hz~100Hz ) frequency beeps: 45Hz~400Hz Adaptive to range from 10% to 100% AC conversion: mean value Measuring impedence:10 M(standard value) 100Db Overload protection: 600V(pea'k pea'k value) 2%+20 ( 100Hz~400Hz ) Ohm 5k 0.001k 0.5%+4 open-circuit voltage: