Fluke 773 Milliamp Process Clamp Meter

The Fluke 773 Milliamp Process Clamp Meter is a versatile, hand-held, battery-operated tool designed to streamline troubleshooting and maintenance of industrial systems. With its advanced features, including a remote jaw for measuring without breaking the loop, this device ensures accurate, safe, and uninterrupted testing. Compact, durable, and reliable, the Fluke 773 is ideal for professionals working in environments that demand precision and efficiency.

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• Measures 4 to 20 mA signals without interrupting the circuit.
• Can source and simulate 4 to 20 mA signals, as well as provide loop power.
• Capable of sourcing and measuring DC voltage to check power supplies or I/O signals.
• Features top-notch accuracy of 0.2%.
• Offers a resolution and sensitivity of 0.01 mA for precise measurements.

• Diameter of measurable conductor: 0.177″ or 4.5 mm max
• Operating temperature: -10 to 50ºC
• Storage temperature: -25 to 60ºC
• Operating humidity: < 90% @ <30ºC, < 75% @ 30 to 55ºC
• Operating altitude: 0 to 2000 m
• IP rating: IP 40
• Size:  44 x 70 x 246 mm
• Weight: 410 g (14.4 oz)
• Vibration: Random 2 g, 5 to 500 Hz
• Shock: 1-metre drop test (except the jaw)
• EMI/RFI: Meets EN 61326-1

(For the current measurement w/ JAW, add 1mA to the specification for EMC field strengths of 1V/m up to 3V/m.)

• Temperature coefficient: 0.01% ºC (< 18ºC or > 28ºC)
• Power, battery life: (4) AA 1.5 V Alkaline, IEC LR6, 12 hours in mA source into 500 ohms

• Efficiency: Save time by measuring signals without breaking the loop, reducing downtime in critical systems.
• Versatility: Performs a range of essential functions, including signal simulation, voltage measurement, and loop power supply.
• Reliability: Provides consistent and precise data, ensuring confidence in measurements and results.
• Ease of Use: Its ergonomic design and remote jaw make it user-friendly, especially in tight or hard-to-reach spaces.
• Cost-Effective: Helps technicians avoid costly equipment downtime and supports seamless operations.

mA measurement (measured by clamp)

• Resolution/range: 0 to 20.99 mA
• Accuracy: 0.2% + 5 counts
• Resolution/range: 21.0mA to 100.0 mA
• Accuracy: 1% + 5 counts

mA measurement (measured in series with test jacks)

• Resolution/range: 0 to 24.00 mA
• Accuracy: 0.2% + 2 counts

mA source (maximum mA drive: 24 mA into 1,000 ohms)

• Resolution/range: 0 to 24.00 mA
• Accuracy: 0.2% + 2 counts

mA simulate (maximum voltage 50 V dc)

• Resolution/range: 0 to 24.00 mA
• Accuracy: 0.2% + 2 counts

Voltage source (2 mA maximum drive current)

• Resolution/range: 0 to 10.00 V DC
• Accuracy: 0.2% + 2 counts

Voltage measure

• Resolution/range: 0 to 30.00 V DC
• Accuracy: 0.2% + 2 counts

• Process control system troubleshooting — The Fluke 773 is indispensable for diagnosing issues within 4 to 20 mA process control loops in industrial environments. Its ability to measure signals without disrupting the circuit is crucial for maintaining continuous operation — especially where downtime can be costly.
• Transmitter calibration and maintenance — This device is outstanding for calibration, setup and routine maintenance of transmitters used in various industries. By simulating 4 to 20 mA signals, technicians can ensure these components accurately reflect process conditions.
• Valve testing and commissioning — In the commissioning and periodic testing of control valves, the Fluke 773’s capabilities to source and simulate mA signals allow for a thorough evaluation of valve performance. This ensures valves respond correctly to control signals — maintaining process integrity and safety.
• Programmable Logic Controller (PLC) testing — The meter is also used to test and troubleshoot PLCs that form the backbone of many industrial control systems. By providing precise mA and voltage measurements, it helps in verifying the I/O modules and power supplies of PLCs.
• Educational and training applications — In academic and training settings, the Fluke 773 is a practical tool for teaching the principles of process control and instrumentation principles. Its wide range of functions allows students and trainees to gain hands-on experience with real-world equipment and scenarios.