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

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

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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 ºC, relative moisture≤85%(no condensation)
Storage temperature and moisture range:-20 ºC~60 ºC,relative moisture≤90%( no condensation)
Accuracy required temperature and moisture range:23±5ºC,relative moisture≤75%( no condensation)
Temperature co-efficiency:0.1 × basic accuracy / ??temperature range <18??or >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(1000Ω 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 MΩ (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 MΩ(standard value)<100pF
• Common mode restrain: 50Hz or 60Hz > 100Db
• Overload protection: 600V(pea'k –pea'k value)
2%+20  ( 100Hz~400Hz )
Ohm 5kΩ 0.001kΩ 0.5%+4 • open-circuit voltage: <5V;
• short-circuit current: about 0.1mA.
• leads resistance excluded in the accuracy;
• overload protection: 600V
continuity 500Ω 0.1Ω Short-circuit beep is about 20Ω • open-circuit voltage: <5V
• short-circuit current: about 0.1mA.
• overload protection: 600V(pea'k –pea'k value)
 
diode		 2V 0.001V 1%+20
DC current 20mA 0.001mA 0.2%+4 • overload protection: 100mA/250V fast-melt protection;
• loaded voltage: about 18mV/mA
 
 
Outputting detailed accuracy indicator
output function range output designated range frequency accuracy remark
DCI
DC current		 20mA 0.000~22.000mA 0.001mA 0.2%+4 • Max. load: 1kΩ at 20mA
SIMULATE
Simulate transmitter		 -20mA 0.000~-22.000mA 0.001mA • external power supply: 5~28V
• Max. load: 1kΩ at 20mA
LOOP
Loop-circuit power		 24V     ±10% • Max. output current 25mA
 

Package inlcudes:

1 x Multimeter
 
Detail pictures: