Prova A9 Electric Vehicle Clamp Meter

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Prova A9 Electric Vehicle Clamp Meter
  • Feature summary

  • Designed for Electric Vehicles (EV)
  • Both Low DC Current and High DC Current(1000A)
  • Accurate AC/DC digital clamp meter
  • Best accuracy ± 1.5% ± 3dgts
  • AC 1mA, DC 10mA high resolution
  • True RMS measurement
  • One touch zero for DCA adjustment


Electric Vehicle measurements
Typical V & I measurements for EV Comments
Prova A9 Electric Vehicle Clamp Meter
  • 25 mm diameter jaws
  • Fast bar graph display (30 times/sec.) for transient observation
  • Non-Contact Frequency Measurement (min. sensitivity 0.06A AC)
  • Non-Contact Voltage (NCV) Detection from 80V to 600V at 50/60Hz
  • In-Rush Current Measurement with 100ms integration time
  • Ideal for working in cramped areas such as switch boxes
  • Low Pass Filter (LPF) at 1 KHz Cut-off Frequency
  • Warning beep before auto power off (after 15 min)
  • Backlight with 5 minutes of auto-backlight-off
  • Easy function selection using rotary switch
  • Large 3¾ digit LCD
  • Data Hold function

ELECTRICAL SPECIFICATIONS (23°C ± 5°C and conductor at the center of jaw)
DC Current
Range Resolution Accuracy Overload protection
40A 10mA ± 1.5% ± 3dgts DC 500A
400A (0-150A) 100mA ± 1.5% ± 3dgts DC 500A
400A (150-200A) 100mA ± 2.2% ± 3dgts DC 500A
400A (200-300A) 100mA ± 4.0% ± 3dgts DC 500A
400A (300-400A) 100mA ± 7.0% ± 3dgts DC 500A

AC Current (True RMS, Crest Factor ≤ 3)
Range Resolution Accuracy2 Overload protection
50/60 Hz 40 to 400 Hz
4A (0 to 10mA)1 1mA ± 1.5% ± 7dgts ± 2.0% ± 7dgts AC 500A
4A (0 to 10mA) 1mA ± 1.5% ± 7dgts ± 2.0% ± 7dgts AC 500A
4A (0 to 10mA) 1mA ± 1.5% ± 7dgts ± 2.0% ± 7dgts AC 500A
4A (0 to 10mA) 1mA ± 1.5% ± 7dgts ± 2.0% ± 7dgts AC 500A
4A (0 to 10mA) 1mA ± 1.5% ± 7dgts ± 2.0% ± 7dgts AC 500A
4A (0 to 10mA) 1mA ± 1.5% ± 7dgts ± 2.0% ± 7dgts AC 500A
4A (0 to 10mA) 1mA ± 1.5% ± 7dgts ± 2.0% ± 7dgts AC 500A
1 In the 4A range, there is a residual of 3 digits (3mA) remaining with no current input
2 Add 2% when C.F. ≥ 2

Frequency (auto range, periodic and zero crossing signal)
Overload protection is AC 500A for all ranges
Range (A) Range (Hz) Resolution (Hz) Sensitivity Accuracy
4A 0 to 4 kHz 0.1/1/10 0.12A ± 0.5% ± 2dgts
4A 4 kHz to 40 kHz 0.1/1 0.06A ± 0.5% ± 2dgts
40A 0 to 4 kHz 0.1/1 0.06A ± 0.5% ± 2dgts
400A 0 to 4 kHz 0.1/1 4A ± 0.5% ± 2dgts

In-Rush Current (AC, start from 0A, Integration Time 100mS)
Range Trigger Current (Threshold)
0 to 4A 0.2A
40A 2A
400A 20A

AC Low Pass Filter (LPF, Cut-off frequency (-3db) 1 kHz approx.)
Range Resolution Accuracy (50/60 Hz)
0 to 10mA (4A) 0.001 ± 3% ± 7dgts
10mA to 4A (4A) 0.001 ± 3% ± 5dgts
40A 0.01 ± 3% ± 5dgts
0 to 200A (400A) 0.1 ± 3% ± 5dgts
200 to 300A (400A) 0.1 ± 5.5% ± 5dgts
300 to 400A (400A) 0.1 ± 8.5% ± 5dgts

Non-Contact Voltage Detection
Range Frequency
80 to 600V1 50/60Hz
1 One bar segment - to four bar segments - - - -
Audible beep tones proportional to field strength
The Detection Antenna is inside the stationary part of the jaw

General Specifications
Conductor size 0.98" / 25mm max. (approx.)
Power source Two 1.5V LR03 AAA batteries
Display 3¾ digit LCD with 20-segment Bar Graph
Range selection Manual
Power consumption 22mA with backlight off
Sampling Time Numerical readout: 3 times/sec
Bargraph: 30 times/sec
Operating conditions -10°C to 50°C, < 85% relative
Altitude Up to 2000M
Storage conditions -20°C to 60°C, < 75% relative
Dimensions 152mm(L) x 66mm(W) x 36mm(H)
(6.0"L x 2.6"W x 1.4"H)
Weight 190g (battery included)
Accessories Carrying bag
Batteries
User manual