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    Differential Probes

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High-Voltage Differential Probes are indispensable for safely testing high voltage signals with a standard oscilloscope. For safety reasons, the ground clip of a Standard Oscilloscope Probe is normally connected directly to the PCBs ground. This only allows measurement of low voltage ground-referenced signals, or truly floating signals like battery-powered circuits. But for large voltage signals - in a line-referenced circuit, for instance (like an off-line switch-mode power supply, which may be referenced to the negative side of the rectified line power) connecting the ground clip of a standard oscilloscope probe to this circuit would create a short directly to ground via your oscilloscope, damaging both the scope and probably the circuit under test.

But there is a safe way to measure high-voltage circuits: a Differential Probe. This battery-powered device has two high-impedance inputs and a single, ground-referenced BNC output. The output is proportional to the difference in voltage between the positive and negative inputs. Any common-mode signal is rejected.

See below for our wide selection of Differential Probes.

PICO TA042  100MHz 1400V Differential Probe
PICO TA042 100MHz 1400V Differential Probe
Price: $699.00
PICO TA057  25 MHz 1400 V  Differential Oscilloscope Probe x20/x200
PICO TA057 25 MHz 1400 V Differential Oscillosco
Price: $449.00
Cleverscope CS1030 -  Switchable x20 x50 and x100  25 MHz Differential Probe
Cleverscope CS1030 - Switchable x20 x50 and x100
Price: $319.00
Cleverscope CS1031 - Switchable x100 x200 x500 and x1000 50 MHz Differential Probe
Cleverscope CS1031 - Switchable x100 x200 x500 and
Price: $478.00
Siglent DPB5150 DC-70MHz High Voltage Differential Probe
Siglent DPB5150 DC-70MHz High Voltage Differential
Price: $930.00
Siglent DPB5150A DC-100MHz High Voltage Differential Probe
Siglent DPB5150A DC-100MHz High Voltage Differenti
Price: $1,210.00
Siglent DPB5700 DC-70MHz High Voltage Differential Probe
Siglent DPB5700 DC-70MHz High Voltage Differential
Price: $1,790.00
Siglent DPB5700A DC-100MHz High Voltage Differential Probe
Siglent DPB5700A DC-100MHz High Voltage Differenti
Price: $2,330.00
Siglent DPB4080 DC-100MHz High Voltage Differential Probe
Siglent DPB4080 DC-100MHz High Voltage Differentia
Price: $489.00
Micsig 100MHz  High Voltage Differential Probe (DP10007)
Micsig 100MHz High Voltage Differential Probe (DP
Price: $219.00
Micsig 100MHz 1300V High Voltage Differential Probe (DP10013)
Micsig 100MHz 1300V High Voltage Differential Prob
Price: $219.00
Micsig 100MHz  High Voltage Differential Probe (DP20003)
Micsig 100MHz High Voltage Differential Probe (DP
Price: $279.00
Micsig  DP750 100MHz High Voltage Differential Probe (DP750-100)
Micsig DP750 100MHz High Voltage Differential Pro
Price: $199.00
Siglent DPB1300 Differential High-Voltage Probe
Siglent DPB1300 Differential High-Voltage Probe
Price: $489.00


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