Voltage Sensor / Converter with Galvanic Isolation | IsoBlock V-1c Series
€320.00*
€320.00*
Prices plus VAT plus shipping costs
Product Information "Voltage Sensor / Converter with Galvanic Isolation | IsoBlock V-1c Series"
IsoBlock V-1c Series
Galvanically Isolated Single-Channel Differential Voltage Transducer
for High-Voltage Differential Voltage Measurements on DAQ Systems, Data Loggers, and Test Benches
Measure High Differential Voltages – With Galvanic Isolation to Decouple the Measurement Chain
The Verivolt IsoBlock V-1c is a galvanically isolated differential voltage transducer (isolated signal transducer/signal conditioning) for measurement tasks in interference-prone environments such as power electronics, inverter test benches, and drive test stands. It scales high differential voltages to a DAQ-compatible output signal and galvanically decouples the measurement point from the measurement system to reduce typical measurement issues caused by ground loops, equalizing currents, and common-mode interference.
Key Technical Data at a Glance:
- Input Ranges: Standard versions for DC/AC measurement ranges up to 1.5 kV (custom ranges available)
- Triple Galvanic Isolation (3-Way Galvanic Isolation): Channel-to-Channel, Primary-to-Secondary, Signal-to-Power
- Isolation Withstand (Primary ↔ Secondary): 1,500 V sustained and 5,000 V (1 minute)
- Accuracy: depending on version ±(0.2% of reading + 0.005% of range) or ±(0.1% of reading + 0.005% of range)
- Bandwidth & Output: 100 kHz (-3 dB), 500 kHz option; output as a differential pair, output voltage depending on version ±10 V / ±5 V / 7 VAC
Stable Under Potential Shifts, Ground Loops, and EMC
In test cells and switching environments, potential shifts, ground loops, and common-mode interference are common. The galvanic isolation of the IsoBlock V-1c effectively decouples the measurement point from the measurement system and helps prevent unwanted equalizing currents. This keeps the measurement chain stable and reproducible – even with changing earth potential and EMC coupling.
Robust Against Transients and Suitable for DAQ Interfacing
An integrated input protection stage protects the transducer against typical overvoltage events/surges and transients from switching environments. High common-mode rejection supports clean measurement results even with ground-referenced interference. Thanks to the high differential input impedance (range-dependent), the measurement point is only minimally loaded; the output is low-impedance, which facilitates stable transmission to the DAQ input even over longer cable runs.
Integrated Filter – Optional High-Bandwidth Version
After galvanic transfer, the signal is conditioned with filtering for low-noise handover to the acquisition chain. For applications with higher dynamic requirements, a version with increased bandwidth is available as an option.
Field-Proven Mounting and Fast Wiring
For use in control cabinets or test cells, the IsoBlock V-1c can be mounted on a DIN rail. Spring-clamp terminals speed up wiring and improve operational reliability. The module is particularly suitable for inverter and drive test benches, power electronics testing, and industrial high-voltage measurement chains.
Safety Notice!
This product is intended for measurement purposes and is not a safety device. It does not replace required protective measures or safety-relevant testing.
Request a Quote Now!
Our experts will be happy to advise you on the right version (measurement range, bandwidth, output) and support you in integrating it into your DAQ/test-bench measurement chain.
| Interfaces: | Analog-I/O |
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Available documents (Subject to change)
Specifications of the Galvanically Isolated Differential Voltage Transducer of the VV-ISOBLOCK-V-1C Series
- Channels: 1
- Input Voltage Ranges (Differential, Bipolar; Bipolar Input Voltage): 5 V, 10 V, 15 V, 20 V, 30 V, 50 V, 100 V, 300 V, 500 V, 750 V, 1 kV, 1.5 kV; AC Variants: 150 VAC, 250 VAC, 500 VAC; Custom
- Differential Input Impedance (Range-Dependent Differential Input Impedance): 440 kΩ (5–30 V), 2 MΩ (50–300 V / 150–250 VAC), 8 MΩ (500 V–1.5 kV / 500 VAC)
- Output Voltage (Output Voltage; Version-Dependent): ±10 V, ±5 V, or 7 VAC; Custom
- Output Type (Output Type): Differential Pair
- Output Impedance (Output Impedance): 20 Ω
- Output Reference: Referenced to the DAQ Ground Channel (DAQ Ground Reference)
- Accuracy (Accuracy; Version-Dependent): ±(0.2% of Reading + 0.005% of Range) or ±(0.1% of Reading + 0.005% of Range)
- Bandwidth (Bandwidth, -3 dB): 100 kHz (500 kHz Option)
- Common-Mode Rejection (CMRR, Common-Mode Rejection Ratio) at 60 Hz: 112 dB
- Non-Linearity (Input-Output Non-Linearity): < 0.04%
- Max. Total Phase Shift (Total Phase Shift) at 60 Hz: < 0.05°
- Max. Through Delay (Through Delay) of the 100 kHz Version: 3.8 µs
- Gain Temperature Drift (Gain Temperature Drift): ±50 ppm/°C
- Output Offset Voltage (Output Offset Voltage, Referred to Output): 2σ < ±500 µV (Typical), 4σ < ±1 mV (Limit)
- Galvanic Isolation (Triple; 3-Way Galvanic Isolation): Channel-to-Channel, Primary-to-Secondary, Signal-to-Power
- Isolation Voltage Primary ↔ Secondary (Isolation Voltage): ±1500 V
- Max. Common-Mode Transient Voltage (Max Common-Mode Transient Voltage): 5000 V (1 Minute)
- Max. Differential-Mode Transient Voltage at 65 °C (Max Differential-Mode Transient Voltage, Range-Dependent): 300 V (5–30 V), 1000 V (50–300 V / 150–250 VAC), 2000 V (500 V–1.5 kV / 500 VAC)
- Insulation Impedance (Insulation Impedance): > 10 GΩ || 2 pF
- Partial Discharge Test (Partial Discharge Test): 1800 V / 5 s (Detection Threshold 150 pC)
- Surge Withstand (Surge Withstand, Half Sinewave): Common Mode 2 s, Differential Mode 4 s
- Filter (Anti-Aliasing Filter): Factory-Configurable Filter Stage (Custom Filtering Possible)
- Power Supply Voltage (Power Supply Voltage): 12–28 V DC
- Mounting: DIN Rail
- Connection: Spring Cage Connector; Conductor Range 24–12 AWG
- Operating Temperature (Operating Temperature): −25 to +70 °C
- Storage Temperature (Storage Temperature): −40 to +80 °C
- Outer Dimensions (Outer Dimensions): 1.4" x 3.5" x 2.5"
- Weight (Weight): 198 g
- Note: Intended for Measurement Purposes, Not a Safety Device
Scope of Delivery of the Galvanically Isolated Transducer – IsoBlock V-1c Series
- Device(s) of the Isoblock V-1c series
Application Options for the Galvanically Isolated Differential Voltage Transducer of the VV-ISOBLOCK-V-1C Series
Voltage Monitoring for Applications Such As:
- Batteries
- Fuel Cells
- Motors
- Photovoltaics (PV)
- etc.
Verivolt is an American manufacturer of current transformers, voltage transformers, power transformers and filters, with the specialty of very high galvanic isolation of 1kV and above.
Many of the products can be used directly for DIN or top hat rail mounting.
The range of values varies from small currents in the mA range up to 2kA, and isolation of 5kV between input and output with bandwidths >1MHz.
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