Fluke 87-5

Fluke 87-5 Analog Output Modules

Product  Description：

Fluke Analog Output Modules are high-precision instruments engineered primarily for calibration, testing, and automated data acquisition systems. Known for their laboratory-grade accuracy in rugged industrial form factors, these modules convert digital commands from a control computer or main logging unit into precise, continuous electrical analog signals. They are widely used as reference standards to calibrate field instruments, simulate industrial processes, and drive proportional control mechanisms with exceptional stability and minimal thermal drift.

Product Parameters

The technical profile of a Fluke Analog Output Module emphasizes metrological precision, low noise, and stable signal generation:

• Output Signal Types: Provides highly linear DC voltage (e.g., 0V to 10V, -10V to +10V) and DC current (e.g., 0mA to 20mA, 4mA to 20mA) standard outputs.

• Digital-to-Analog Resolution: Equipped with high-resolution D/A converters, typically 16-bit to 18-bit, allowing for microvolt and microampere level adjustment steps.

• Basic Accuracy: Extremely tight tolerance limits, with typical voltage accuracy specifications hovering around 0.01 percent to 0.02 percent of the output range.

• Temperature Coefficient: Superior thermal stability, often specified at less than 5 ppm per degree Celsius, ensuring consistent performance despite ambient temperature changes.

• Channel Isolation: Features comprehensive galvanic isolation, often rated up to 1500V AC between channels and to the system chassis, preventing ground loops.

• Settling Time: Fast response capabilities, with output stabilization settling times typically under 100 microseconds for full-scale voltage steps.

Product Advantages

Fluke Analog Output Modules stand out due to their strict adherence to metrological standards and rugged design:

• Metrology-Grade Precision: Designed by a leader in calibration technology, these modules offer unmatched repeatability and accuracy, making them suitable as traceable calibration references.

• Advanced Safety Isolation: The robust channel-to-channel isolation safeguards sensitive laboratory control systems from high-voltage transients present on the industrial field side.

• Smart Self-Calibration: Many models support automated internal calibration checks against onboard stable voltage references, extending the required external calibration interval.

• Low Total Harmonic Distortion: Generates clean, low-noise waveforms that prevent interference when testing sensitive electronic components or simulating complex sensor outputs.

• Seamless Integration: Designed to fit into Fluke data acquisition frameworks, enabling automated test procedures when paired with specialized software.

Product Applications

These modules are extensively applied in environments where measurement certainty and precise simulation are paramount:

• Sensor and Transmitter Calibration: Acting as a highly accurate signal source to calibrate industrial pressure, temperature, and flow transmitters.

• Loop Simulation Testing: Simulating 4-20mA control loops to verify the configuration and response of distributed control systems (DCS) and programmable logic controllers (PLCs).

• Research and Development: Serving as a variable, low-noise power or signal source in laboratories to test prototype hardware under specific electrical conditions.

• Valve and Actuator Positioning: Providing precision control signals to command proportional valves and electronic dampers during automated mechanical testing.

• Quality Assurance Automation: Integrated into final-stage factory test benches to automatically source exact reference voltages to newly manufactured electronic products.

Important Precautions

To maintain the exceptional accuracy of the module and ensure operator safety, the following operating principles must be followed:

• Strict Grounding Protocols: Ensure that the guard and shield terminals are correctly connected according to the system configuration to prevent ambient electromagnetic noise from corrupting the high-precision output signal.

• Load Impedance Matching: Adhere strictly to the maximum load resistance limits for current outputs and minimum load resistance limits for voltage outputs. Overloading the circuit will cause the module to saturate or display error codes.

• Warm-Up Periods: For high-precision calibration tasks, always allow the module to run and stabilize thermally for the period specified by the manufacturer, typically between 15 and 30 minutes.

• Safe Maintenance Scheduling: Disconnect all external field connections before removing the module from its main housing unit to avoid electrical shocks or damaging the internal backplane interface pins.

• Calibration Traceability: Annual recalibration at an authorized metrology lab is vital. Operating the module beyond its calibrated expiration date will compromise measurement traceability and product validation data.

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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