It is a Digital Tester /Ammeter/Ampere Meter, Measurement Range:DC+/- 0~20mA,Power Supply:DC +5 V, It has Reverse polarity protection, small size, high efficiency, long term stable and reliable quality,easy installation and use. Application: industrial equipments,electronic equipment, Power distribution box, distribution cabinet, regulators, teaching aids and All kinds Current Measuring

Features:

• Dimensions: 79 x 42 x 27 mm
• Cutting size: 76 x 39.5 mm
• Operating voltage: DC +5 V +/- 0.5
• Operating Current: <100mA
• Full measurement Range: +/-19.999mA
• Resolution: 0.001mA
• Displayed: 4 1/2 0.56" Red LED digital tube
• Input impedance:> 1 Mohm
• Measurement rate: >/= 2 / S
• Over-range display: "H"
• Working temperature: -10 ~ +50 °c
• Operating Humidity: 10 ~ 80% (non-condensing)
• Working pressure: 80 ~ 106kPa
• Sunlight: No direct exposure
• SMT process
• Quartz crystal, high accuracy
• Case closure,pure flat displayed
• limiting resistor, LED digital tube consistent brightness
• With Calibration potentiometer
  
• Selectable decimal point position
• Can Measure positive and negative amps
• Power supply with polarity protection circuit
• Application: industrial equipments,electronic equipment, Power distribution box, distribution cabinet, regulators, teaching aids and All kinds Current Measuring
  

Package included:

• 1 x Digital Ammeter (Digital Tester)