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773

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The Fluke 773 Milliampere Process Clamp Meter is a hand‑held, battery‑operated instrument designed for troubleshooting 4‑20 mA process control loops, transmitters, valves, PLCs, and DCS I/O.
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Technical specifications for 773

  • Manufacturer:
    FLUKE
  • Part Number:
    773
  • Product Family:
    FLUKE
  • Current Measurement:
    0‑20.99 mA
  • mA Drive Capability:
    24 mA into 1000 Ω
  • Max Voltage in Simulate Mode:
    50 V DC
  • Voltage Measurement:
    0‑30 V
  • DC Voltage Source:
    0‑10 V
  • Scaled mA Output:
    0‑24 mA
  • Influence of Earth's Field:
    <0.20 mA
  • Operating Temperature:
    ‑10 °C to 50 °C
  • IP Rating:
    IP40
  • Weight:
    0.9 kg
  • Estimated shipping dimensions:
    22.3x10x5.8cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
Description
The Fluke 773 Milliampere Process Clamp Meter provides comprehensive troubleshooting capabilities for industrial process control systems. With its unique remote‑jaw design connected by an extension cable, the Fluke 773 allows technicians to safely measure 4‑20 mA signals without breaking the loop. 

In addition to basic measurement functions, the Fluke 773 offers advanced features such as percentage‑span display for 4‑20 mA loops, scaled mA output, and simultaneous mA measurement via the detachable clamp while sourcing current. The built‑in 250 Ω HART resistor enables communication with HART‑enabled devices without additional hardware. 

Accuracy and reliability are key strengths of the Fluke 773. Current measurement and sourcing are specified with an accuracy of 0.2 % + 2 counts, while voltage measurement accuracy is 0.2 % + 2 counts. The clamp‑jaw measurement range extends to 100 mA with appropriate resolution and accuracy. 

The Fluke 773 is certified to EN/IEC 61010‑1 and EN/IEC 61010‑2‑032 safety standards and carries CE marking. It meets EMI/RFI/EMC requirements per EN61326‑1, with noted adjustments for EMC field strengths up to 3 V/m. 
Alternative Names
771 772 774 775
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the accuracy of the current measurement function on the Fluke 773 when using the remote clamp?
When measuring current with the remote clamp, the Fluke 773 provides an accuracy of 0.2 % + 5 counts in the range of 0‑20.99 mA (resolution 0.01 mA), and 1 % + 5 counts in the range of 21‑100 mA (resolution 0.1 mA). For in‑circuit measurement (0‑24 mA), accuracy improves to 0.2 % + 2 counts.
Can the Fluke 773 both source and measure mA signals simultaneously?
Yes, the Fluke 773 supports simultaneous mA sourcing and measurement. The sourcing range is 0‑24 mA with an accuracy of 0.2 % + 2 counts, while the measurement range via the detachable clamp is also 0‑24 mA with an accuracy of 1 % FS. This allows for real‑time loop validation and transmitter calibration.
What environmental conditions can the Fluke 773 operate in?
The Fluke 773 is designed for operation in temperatures from ‑10 °C to 50 °C and at altitudes up to 2000 m. It has an IP40 ingress‑protection rating and meets EMI/RFI/EMC requirements per EN61326‑1. Note that for EMC field strengths between 1 V/m and 3 V/m, an additional 1 mA tolerance should be considered for current‑measurement specifications.
How long does the battery last on the Fluke 773 during typical use?
Powered by four AA alkaline batteries (IEC LR6), the Fluke 773 provides approximately 12 hours of continuous operation when sourcing 12 mA into a 500 Ω load. The meter includes an auto‑power‑off function that activates after 15 minutes ±1 minute of inactivity to conserve battery life.