Fluke TI20

Fluke TI20 Power Board

Product  Description：

Fluke Power Boards are highly specialized internal electronic assemblies designed for precision calibration equipment, high-end digital multimeters, power quality analyzers, and industrial testing instruments. These boards are engineered to handle incoming electrical energy, stabilize it, and convert it into ultra-clean, noise-free DC voltage rails required by the instrument's sensitive analog-to-digital converters and measurement circuitry. Fluke’s power boards prioritize extreme stability and isolation to prevent the instrument’s own power supply from interfering with highly accurate measurement readings.

Product Parameters

The technical parameters of a Fluke Power Board emphasize absolute precision, low noise, and robust isolation:

• Input Voltage Accommodation: Multi-range capabilities supporting 90V to 264V AC for global line frequencies of 47Hz to 63Hz, as well as dedicated DC battery management inputs.

• Output Voltage Stability: Delivers precise multiple low-noise DC outputs, such as ±5V, ±12V, or 3.3V, with an exceptionally low ripple and noise profile typically under 5 millivolts peak-to-peak.

• Isolation Rating: Double-insulated architecture compliant with safety standards like CAT III 1000V and CAT IV 600V, withstanding transient voltages up to 8kV.

• Leakage Current: Designed with ultra-low leakage current parameters, often restricted to less than 1 microampere, ensuring precise ground loop prevention during high-stakes measurements.

• Efficiency and Thermal Control: High efficiency switching topology designed to run cool, minimizing internal thermal drift which could otherwise affect the accuracy of nearby measurement components.

• Reference Voltage Accuracy: Integrates highly stable onboard voltage references with temperature coefficients as low as a few parts per million per degree Celsius.

Product Advantages

Fluke Power Boards stand out due to their metrology-grade engineering and rigorous safety design:

• Metrology-Grade Filtering: Incorporates advanced multi-stage electromagnetic interference filtering to completely isolate the measurement circuits from mains-borne noise and harmonics.

• Uncompromised User Safety: Built with heavy-duty physical separation, arc-shields, and high-clearance traces to protect the technician using the handheld or benchtop tool from high-voltage transients on the test lines.

• Intelligent Battery Management: For portable tools, the board manages seamless switching between AC line power and internal battery power while facilitating fast, digitally monitored charging cycles.

• Long-Term Calibration Stability: Manufactured with components that undergo pre-aging processes to drastically reduce component drift over time, maintaining the instrument's calibration validity.

• Environmental Resilience: Coated with premium protective layers to resist dust, humidity, and chemical contaminants, allowing precision field tools to maintain accuracy in rugged environments.

Product Applications

These power boards are implemented as the internal power distribution core for premium testing systems:

• Power Quality Analyzers: Powering the complex digital signal processors and display systems of portable analyzers used to map grid harmonics and voltage sags.

• Benchtop Calibration Standards: Providing the foundational ultra-stable power needed for laboratory calibrators that verify the accuracy of other industrial test tools.

• Heavy Industrial Multimeters: Serving as the ruggedized power stage for robust field multimeters operating in demanding electrical substations and motor control centers.

• Oscilloscopes and ScopeMeters: Supplying isolated high-frequency power to portable digital oscilloscopes where signal clarity and shielding are paramount.

• Process Calibration Tools: Driving loop calibration instruments that simulate and measure 4-20mA signals in chemical and petrochemical facilities.

Important Precautions

To ensure safe servicing and preserve the instrument's calibration integrity, the following rules must be observed:

• High Voltage Safety Warning: Internal capacitors can hold dangerous electrical energy even after the main supply or test leads are disconnected. Discharge the board safely using specialized high-value resistors before handling internal components.

• Metrology Cleanliness: Never touch the board components with bare hands. Finger oils can create microscopic leakage paths that corrupt nano-ampere or micro-volt measurement paths. Always wear lint-free ESD gloves during servicing.

• Calibration Verification Required: Replacing a power board can subtly alter the internal thermal dynamics and reference voltages of the device. The entire instrument must undergo formal recalibration and verification post-repair.

• Strict Fastener Torque: When reinstalling the board, all shielding plates and ground screws must be tightened to the exact factory torque specifications to maintain the designed electromagnetic shielding and safety grounding path.

• Component Compatibility: Never substitute components on a Fluke power board with standard commercial equivalents. Only official, matched-tolerance service parts from the manufacturer can preserve the safety certifications and measurement accuracy specifications.

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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