Products
Oscilloscope Probes

HVFO103

High Voltage Fiber Optic Probe, 60 MHz Bandwidth. Includes soft-carrying case, Qty. 1 Transmitter, Qty. 1 Receiver, Qty. 1 1m Fiber Optic Cable, Set of 3 Micro-grippers, Qty. 1 1m Fiber Optic Cable, Qty. 1 USB Charging Cable. Attenuating tips must be ordered separately


    High Voltage Fiber Optically-isolated Probes


HVFO103 - High Voltage Fiber Optic Probe, 60 MHz Bandwidth. Includes soft-carrying case. Requires attenuating tip (ordered separately). Includes Qty. 1 1m Fiber Optic Cable. Limited Availability
HVFO108 - High Voltage Fiber Optic Probe, 150 MHz Bandwidth. Includes soft-carrying case. Requires attenuating tip (ordered separately). Includes Qty. 1 1m Fiber Optic Cable.
HVFO100-1X-TIP-U - HVFO10X +/-1V (1x Attenuation) Universal Tip Accessory
HVFO100-5X-TIP-U - HVFO10X +/-5V (5x Attenuation) Universal Tip Accessory
HVFO100-10X-TIP-U - HVFO10X +/-10V (10x Attenuation) Universal Tip Accessory
HVFO100-20X-TIP-U - HVFO10X +/-20V (20x Attenuation) Universal Tip Accessory
HVFO100-40X-TIP-U - HVFO10X +/-40V (40x Attenuation) Universal Tip Accessory
HVFO103-XMITTER - HVFO103 Spare Amplifier/Modulating Transmitter Limited Availability
HVFO-1M-FIBER - HVFO 1m Fiber Optic Cable Accessory
HVFO-2M-FIBER - HVFO 2m Fiber Optic Cable Accessory Limited Availability
HVFO-6M-FIBER - HVFO 6m Fiber Optic Cable Accessory
Key Features
  • 150 MHz bandwidth
  • 35 kV common-mode voltage rating
  • Silicon Carbide Suitable
  • Superior Noise and Rejection
    • 140 dB CMRR
    • Low loop inductance
    • Low attenuation
  • Reduced DUT loading, better pulse response compared to conventional HV differential probes
  • Selectable tips for from +/-1V to +/-40V

 

Silicon Carbide Suitable

The new HVFO108, with 150 MHz of bandwidth, is perfect for device research engineers designing Silicon and Silicon Carbide devices, and system development engineers incorporating Silicon Carbide devices.

Upper-side Gate Drive Signal Measurements

The HVFO108 faithfully reproduces upper-side gate drive signals without loading and distortion, allowing a clear view of the Miller effect. Any conventional HV differential probe with high tip capacitance in parallel with CGE or CGS, and/or high impedance and large loop inductance in series with the gate drive impedance will at best load the gate drive signal or pick up interference and at worst cause circuit malfunction. The HVFO108 performs much better for these measurements.

Floating Control or Sensor Signal Measurements

The HVFO108 measures only the low voltage sensor voltage across its high impedance input leads. Total load on the device under test (DUT) is very small. Furthermore, the low lead loop inductance, >100dB CMRR, and low attenuation provide superior signal fidelity, noise and rejection.

EMC, EFT, ESD and RF Immunity Testing and System Optimization

AC and DC sensor signals floating at a high voltage or in the presence of EMC disturbance signals can be acquired with high signal fidelity and correctly correlated to in-circuit and control activities.

Optical Isolation is Best

Optical isolation between the probe tip and the oscilloscope input reduces adverse loading of the DUT, provides faithful pulse response, and increases confidence in the measurement. Safety against dangerous high voltage levels can be ensured and unsafe "floating" of the oscilloscope can be avoided.

Superior Noise and Rejection

High CMRR (140 dB) provides more accurate representation of the measured signal despite the presence of high dV/dt or dA/dt events elsewhere in the circuit. The test lead is optimized to limit loop inductance and radiated pickup. Tip attenuations are optimized for a wide range of signal amplitudes.

 

Noise and Rejection

CMRR (Typical) 140 dB (100 Hz), 120 dB (to 1 MHz), 85 dB (to 10 MHz), 60 dB (to 60 MHz)
Noise (Probe) 7 mVrms (1X tip), 35 mVrms (5X tip), 140 mVrms (20X tip), 280 mVrms (40X tip)
 

Electrical Characteristics

Bandwidth 60 MHz (typical, with tip attached)
Input Dynamic Range +/-1V, +/-5V, +/-20V, +/-40V (DC+peak AC) respectively with 1X, 5X, 10X or 20X attenuating tips.
All tips are purchased as accessories (none are included with HVFO103 probe).
Maximum Non-destruct Voltage 5 times the operating voltage rating (tip dependent)
Common Mode Voltage Range +/-35 kV (DC+peak AC)
Maximum Input Voltage to Earth +/-35 kV (DC+peak AC)
Maximum Safe Input Voltage For hand-held use, 30 Vrms / 60 Vdc (referenced to ground) per IEC/EN 61010-031:2015
Offset Offset capability determined by oscilloscope offset available in a given gain (V/div) setting after accounting for total probe attenuation (total probe attenuation is twice the tip attenuation).
Input Impedance 1 MOhm || 34 pF (1X tip); 5 MOhm || 26 pF (5X tip); 10 MOhm || 22 pF (20X tip); 10 MOhm || 22 pF (40X tip)
Sensitivity 50 mV/div to 1 V/div (1X tip), 250 mV/div to 5 V/div (5X tip), 1 V/div to 20 V/div (20X tip), 2 V/div to 40 V/div (40X tip)
Gain Accuracy 2% (LF, guaranteed)
Input/Output Coupling DC only
Interface ProBus
Cable Length 1.25 m (4.1 feet) from input lead to oscilloscope connection (using included 1 meter fiber optic cable)
Battery 6 hour battery life (typical). 1.5 hour re-charge time (typical, with user-supplied dedicated USB charger). 3 hour re-charge time (typical) using supplied USB charging cable connected to oscilloscope USB port
 

Environmental

Pollution Degree 2, Indoor Use Only
Temperature (Operating) 0°C to 50°C
Temperature (Non-Operating) -20°C to 70°C
Humidity (Operating) 5% to 80% RH (non-condensing) up to 30°C, decreasing linearly to 45% RH at 50°C
Humidity (Non-Operating) 5% to 95% RH (Non-Condensing), 75% RH above 30°C, 45% RH above 40°C
Altitude (Operating) 3,000 m
Altitude (Non-Operating) 10,000 m
 

Certifications

CE (LVD Directive 2006/95/EC) IEC/EN 61010-031/A1:2008, Pending IEC/EN 61010-031:2015
CE (EMC Directive 2004/108/EC) IEC/EN 61326-1:2013
uL Listed UL 61010-031 (First Edition), Pending UL 61010-031 (Second Edition)
cUL Listed CAN/CSA - C22.2 No. 61010-031-07, Pending CAN/CSA-C22.2 No. 61010-031-15
 

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