Tekpower TP8250 Analog Multimeter with NULL Middle Position 0 For Variation Measurement ABS and Archly Plastic Made in USA or Imported High Accuracy Analog Multimeter with Null Function and Back Stand, With Null Position, you can see the reading in middle when no input DC V 0-500V, AC V 0-500V,DC A 50uA-500mA, Resistor: 10-1K-100K Zero Adjustment on analog and High accuracy on digital display Confirms to the EN61010/IEC1010 standard CAT II 600V Null Range: +- 5/ +- 25V DCV