Amprobe VPC-30 VPC-31 Voltage-Continuity - Manual (Page 17)

11
AC Detection Shaker
Shaker ON Threshold: between 8VAC and 15VAC
Audible Continuity
Open Circuit Voltage: 0.4VDC typical
Audible Threshold: between 50kΩ and 2000kΩ
Non-Contact EF-Detection
Indication: EF LED flashing & audible beep tones proportional to the field
strength
Detection Frequency: 50/60Hz
Detection Antenna: Top-right side of the meter
Probe-Contact EF-Detection: For more precise indication of live wires, such
as distinguishing between live and ground connections, use the Red (+) test
probe for direct contact measurements.
VPC-31 also displays Bar graph segments proportional to the field strength on
LCD. Typical values are shown in the below table:
Typical Non-Contact Voltage Range LCD Bar Graph Indication(VPC-31 only)
15V to 55V -
30V to 95V - -
55V to 170V - - -
Above 120V - - - -
GFCI Leakage-Path (VPC-31 only)
Load Current: 7.5 mA typical at 120V
Path Impedance: 16 kΩ nominal, PTC protected
GFCI Leakage-Path feature is intended for 120V nominal circuits only. It is
disabled above 132V and below 80V