Fluke 1663

Fluke 1663 Filter Modules

Product  Description：

Fluke Filter Modules are high-performance conditioning accessories designed to interface with advanced calibration systems, power quality analyzers, and precision digital multimeters. These modules act as specialized hardware signal conditioners, isolating and removing unwanted high-frequency noise, electromagnetic interference, and harmonic distortions from electrical measurement loops. By purifying the input signal, they ensure that test equipment can achieve its maximum specified accuracy during sensitive calibration procedures and laboratory testing.

Product Parameters

The technical performance profile of a Fluke Filter Module is defined by its precise attenuation capabilities and electrical limits:

• Cutoff Frequency: Engineered with precise low-pass or band-pass thresholds, often filtering out frequencies above 10Hz, 100Hz, or 100kHz depending on the specific application module.

• Attenuation Rate: High-order filtering architectures that typically deliver a steep roll-off rate, such as 60 decibels or greater per decade, to effectively eliminate out-of-band noise.

• Maximum Input Voltage: Built to handle standard laboratory and industrial test levels, commonly rated for continuous operation up to 1000V RMS or 30A DC/AC.

• Insertion Loss: Low passband insertion loss, often maintained under 0.1 percent, ensuring that the desired primary measurement signal remains unaltered.

• Input Impedance Matching: Designed with high internal impedance (typically 10 Megohms or higher) to minimize loading errors on the circuit under test.

• Phase Shift Stability: Minimal and predictable phase shift across the specified passband frequency range, which is critical for accurate power and power factor calculations.

Product Advantages

Fluke Filter Modules provide distinct advantages in precision metrology and field diagnostic environments:

• Enhanced Measurement Stability: Eliminates ghost voltages, fluctuating digits, and trace jitter on oscilloscopes and multimeters caused by ambient industrial noise.

• Uncompromised Calibration Accuracy: Allows calibration laboratories to verify high-precision instruments in environments that are not fully shielded from electromagnetic interference.

• Plug-and-Play Integration: Designed to connect directly to the standard input terminals of Fluke calibrators or analyzers, requiring no external power sources or intricate setup configurations.

• Rugged Construction: Encased in heavy-duty, shielded enclosures that prevent external radio frequency interference (RFI) from bypassing the internal filter circuits.

• Broad Signal Compatibility: Capable of handling both high-voltage AC power signals and microvolt-level DC calibration signals with equal reliability and linear performance.

Product Applications

These modules are deployed across calibration labs and demanding industrial testing fields:

• Primary Calibration Laboratories: Filtering out environmental grid noise when calibrating standard cells, high-precision shunts, and ultra-stable voltage references.

• Variable Frequency Drive Diagnostics: Isolating the fundamental power frequency from the high-frequency PWM switching noise of motor drives to accurately measure true voltage and current.

• Power Quality Auditing: Filtering out transient spikes and high-order harmonics to allow long-term tracking of fundamental power grid stability.

• Aerospace and Defense Testing: Verifying the integrity of sensitive low-frequency avionics telemetry systems in high-EMI testing cells.

• Medical Equipment Verification: Ensuring precise, noise-free signal acquisition during the certification of patient monitoring and diagnostic imaging equipment.

Important Precautions

To maintain safety and ensure the integrity of your test results, the following guidelines must be followed:

• Voltage Rating Limits: Never exceed the maximum voltage or current thresholds marked on the module housing. Applying overvoltage can cause internal component breakdown and pose a safety risk.

• Settling Time Allowance: Because filter circuits store energy, a filter module introduces a predictable time delay. Allow adequate settling time (often several seconds) after connecting the signal before recording measurements.

• Correct Terminal Alignment: Ensure the module is oriented correctly with the "Input" side connected to the source or device under test and the "Output" side connected to the measuring instrument.

• Shielding and Grounding Continuity: Always utilize the integrated guard or ground terminals on the module. Failing to connect the shield correctly can render the filtering characteristics ineffective against common-mode noise.

• Environmental Protection: Do not expose the module to liquids, high humidity, or conductive dust. Contamination on the input terminals can create leakage paths that significantly degrade measurement accuracy.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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