333mv Output Economical AC Current Probe Rogowski Coil Integrator Current Sensor

Basic Specifications

Model NO.

S9.41

Production Process

Integration

Material

Plastic

Accuracy Grade

1% Typical at 1% to 200% of Rated

Application

Integrate, Amplify, Convert Signals

IP Rating

IP68

Certification

CE ISO

Outer Casing

Waterproof Plastic Enclosure

Rated Output

4-20mA DC or 333mv

Power Supply

12V or 24V DC

Rated Input

100A-6000A

Response Time

Default 100ms (Adjustable)

Operating Temp

-20℃ to 70℃

HS Code

8517699000

S9.4 Waterproof Integrator

The S9.4 is a waterproof Rogowski coil integrator designed to combine with power meters or PLCs. Encased in a durable plastic enclosure, it is powered directly from the mains and provides a seamless solution for converting weak mV signals into standard industrial signals.

What does the Integrator do?

Signal Amplification: Converts weak Rogowski coil mV signals into standard signals compatible with multimeters and scopes.
Frequency Equalization: Ensures a linear response across a wide frequency range, maintaining consistent output levels.
Phase Shifting: Essential for equalizing and shifting the output signal from Rogowski coils by 90°.

Core Advantages

High read accuracy (up to 0.5%)
Compact volume for limited space installations
Low power consumption (approx. 100mW)
IP68 rated for superior environmental protection

Detailed Specification Comparison

Parameter	S9.4	S9.41
Rated Output	4-20mA DC	333mV
Max Output	25mA DC	4.5V peak
Response Time	100ms (adjustable)	≤1us
Power Consumption	100mW	70mW
Bandwidth	30Hz to 1kHz	10Hz to 10kHz
Power Supply	12V or 24V DC	12V or 24V DC
Dimension	53 * 38 * 25mm
Protection	IP68

Understanding Rogowski Coils

Rogowski coils are air-cored coils placed around a conductor. The magnetic field induces a voltage proportional to the rate of current change. Key benefits include:

Wide dynamic range and high linearity.
Flexible structure for large or awkward-shaped conductors.
No danger from open-circuited secondaries.
Non-intrusive measurement (draws no power from the main circuit).
Capable of measuring AC components even with large superimposed DC components.

Safety and Warnings

Caution! Risk of Danger: Electrical measuring transducers should only be installed by qualified personnel. National regulations must be observed during installation.

Risk of Electrical Shock: Ensure all measures are taken to protect against contact with hazardous live voltages. Disconnect power supply before maintenance.

Mechanical Stress: Do not twist, puncture, or apply excessive pressure to the coil, as this will degrade measurement accuracy.

Product Gallery

Frequently Asked Questions

Q1: What is the main purpose of the S9.4 integrator?

A1: It is designed to amplify and convert weak mV signals from Rogowski coils into standard 4-20mA DC or 333mV signals suitable for PLCs and power meters.

Q2: Can this device be used in outdoor or wet environments?

A2: Yes, the S9.4 features an IP68 protection rating and a waterproof plastic enclosure, making it ideal for harsh or outdoor conditions.

Q3: Is it possible to customize the input current range?

A3: Yes, while the standard rated input ranges from 100A to 6000A, the input values can be customized based on specific application requirements.

Q4: What are the power supply options for the S9.4?

A4: The device is compatible with either a 12V or 24V DC power supply, depending on your system configuration.

Q5: How does the response time work?

A5: The default response time is 100ms, which is adjustable to meet the needs of different monitoring scenarios.

Q6: Why use a flexible Rogowski coil instead of a traditional transformer?

A6: Flexible coils offer a wide dynamic range, are easy to install in tight spaces around large conductors, and carry no risk of high-voltage danger if the secondary circuit is opened.