600A a.c. / d.c. Clamp multimeter
600A交直電流鉤錶
Model : DCM340
The Megger DCM340
* Specification
AC Current
Range 50 - 60
Accuracy ±1.9% - ±2.5% ±7 digits
Range 60.0 - 400.0 A
Accuracy ±1.9% - ±2.5% ±5 digits
Range 400 - 600 A
Accuracy ±2.5% - ±2.9% ±5 digits
DC Current
Range 0 - 60.0A
Accuracy ±1.5% ±10 digits
60.0 - 400.0A
Accuracy ±1.9% ±5 digits
400 - 600 A
Accuracy ±1.9% ±10 digits
Range
Accuracy
Range0 - 400.0 V
Accuracy ±1.0% ±5 digits or ±0.7% ±2 digits
Range400 - 600 V
Accuracy ±1.0% ±5 digits or ±0.7% ±2 digits
Range Input impedance: 1 MΩ // < 100 pF
Resistance and Continuity
Range 0 - 400.0 Ω
Accuracy ±1% ±3 digits
Open circuit voltage: 3 V
Continuity Check: beeper sounds @ < 30 Ω
Frequency
Range 20 - 400 Hz x 1 Hz
Accuracy ±0.1 % ±2 digtits
Sensitivity: 3 A
Peak Hold: ±3% ±15 digits
Sample time: 10 ms
MIN/MAX Hold: add 15 digits to accuracy for a.c. & d.c. A
Positional error: ±1% of reading
Overload protection: 600 V & 600 A rms
AC conversion: Average sensing rms indication calibrated to
the rms value of a sine wave input
Auto power-off: 30 minutes after power-on
LCD
Display: 31
⁄2 digit large-scale readout
Count: 4000
Sample Rate: 1.5 per second
Overrange: “OL”
Power Requirement
1 x 9V PP3 MN1604 6LR61 alkaline cell
Battery life: 200 hours (alkaline)
Operating Temperature
0 °C - 30 °C <80% Rh
30 °C - 40 °C <75% Rh
400 °C - 50 °C <45% Rh
Storage Temperature
-20 °C - +60 °C (<81% Rh)
(batteries removed)
Safety
Overvoltage safety category: IEC 61010-1 600V CAT III
Operating Altitude: 2000 m
Drop-protection: 1.2 m onto a hardwood surface
Jaw size/maximum conductor: 35 mm diameter
Calibration period: 12 month recommended
Dimensions 68 mm (W) x 237 mm (H) x 42 mm (D)
Weight 225 g including batteries