Connect to oscilloscope &DMM
Range :   100mA
Sensitivity : 10mV/1mA
Accuracy :  ±1% of reading ± 5digits
Frequency Response: DC~1KHz
Error by Earth Magnetic Field: < ± 2 mA
auto-calibration

Battery:  9V Alkaline, IEC LR6
Size (H X W X L):  59 mm x 38 mm x 212 mm
Weight:  260g (Including battery)
Operating Temperature:  -10 to 50 °C
Storage Temperature:    -25 to 70 °C
Operating Humidity:  < 90 % @ <30 °C
                                 <75 % @ 30 to 50 °C