Product Description

Mastercool’s Digital Clamp Meter is a completely portable hand-held test instrument which provides versatile measuring capabilties. This unit is ideal for maintenance and inspection work on all types of eletrical equipment. This unit includes 1 pair of test probes, a soft carry case and 9V battery. 


  • AC current: 10mA to 600A
  • AC voltage: 100mV to 600V
  • DC voltage: 1V to 600V
  • Resistance: 100mΩ to 20KΩ
  • Frequency count: 10Hz to 2KHz
  • Continuity check: < 100Ω with audio tone
  • Diode check: check forward or reverse
  • Data hold & peak hold functions
  • Unit & sign display


  • Display: 3-1/2 digit LCD (1999 count) with P (Peak Hold), H (Data Hold), “–” “BT” (Low Battery), “~” “V” “A” “Ω” “KΩ” “KHz” and decimal annunciators
  • Sampling rate: 2.5 times per second
  • Diameter of conductor: 40 mm max
  • Polarity: automatic “–” negative polarity indication
  • Range selection: all ranges are measured by single range switch operation
  • Over range indication: highest digit of (1) or (-1) is displayed
  • Low battery indication: “BT” appears on display in the last 20% of battery life
  • Battery life: up to 200 hours with Alkaline battery
  • Power requirements: single 9V battery
  • Operating temperature and humidity: 0˚ to 40˚C (32˚ to 104˚F) below 80% RH
  • Storage temperature and humidity: -10˚ to 60˚C (14˚ to 140˚F) below 80% RH
  • Dimension: 8.2” (l) x 2.6” (w) x 1.3” (h) (208 x 65 x 31mm)
  • Weight: 10.9 oz (308 g) including battery
  • Electrical Specifications
    Accuracies are ± (% reading + number of digits) at 23˚C ± 5˚C below 80% RH
Available Downloads

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