Descripción
Milliamp process clamp meters can measure mA signals without breaking the loop. The popular Fluke 771 mA Clamp Meter saves time by making fast, accurate measurements on 4-20 mA signal loops without breaking the circuit.
Need more hours in your day?
Save time by NOT breaking the loop on 4-20 mA signal measurements.
Are you spending time:
- Taking mA measurements by removing a wire and breaking the loop
- Calling the control room to isolate a loop
- Testing analog input/output on a console
- Troubleshooting devices with mA inputs and outputs
- Repairing intermittent or erratic 4-20 mA loops
- Going back to the shop to get extra tools
If you need more time in your busy day take a good look at the Fluke 771 mA Clamp Meters. It’s designed to save you time, and money, by eliminating time wasting activities. Now you can troubleshoot and repair 4-20 mA loops without breaking the loop or bringing down the system.
Here are some specific ways the Fluke 771 Clamp Meters will help you:
| Milliamp Clamp Features | Application | How it saves time and money |
| Measure mA signals for PLC and control system analog I/O without breaking the loop. | Measures low level dc current | Correlate process indication with real physical value |
| Measure output signals from transmitters without breaking the loop | Maintain and troubleshoot process and automation equipment without breaking the loop | No disruption to the process |
| Detachable clamp with extension cable | Measurements in tight locations | Enables measurements in difficult situations |
| Measurement Spotlight | Illuminates hard to see wires in dark enclosures | Measurement process is easier and quicker |
| Measure up to 99.9 mA range non-contact | Wide range of measurements | Measures 10 to 50 mA signals in older control systems |
| Automatic power off | After 15 minutes and 2 minute automatic off for backlight and spotlight | Saves battery life |
| Fluke-771 | Fluke-772 | Fluke-773 | |
| Non-contact mA loop measurement | Integrated mA loop troubleshooting | Advanced process troubleshooting | |
| mA measure, jaw | • | • | • |
| mA measure, in circuit | • | • | |
| Loop power | • | • | |
| mA source | • | • | |
| DCV measure | • | ||
| DCV source | • | ||
| mA scaled output | • | ||
| mA in / out | • |
Manufacturer Specs
| Diameter of measurable conductor | 0.177” or 4.5 mm max | |
| Operating temperature | -10 to 50 ºC | |
| Storage Temperature | -25 to 60ºC | |
| Operating Humidity | < 90% @ <30 ºC, < 75% @ 30 to 55ºC | |
| Operating Altitude | 0 to 2000 m | |
| IP Rating | IP 40 | |
| Size | 59 x 38 x 212 mm, (2.32 x 1.5 x 8.35 in.) | |
| Weight | 260G, (9.1 oz.) | |
| Vibration | Random 2 g, 5 to 500 Hz | |
| Shock | 1 meter drop test (except the jaw) | |
| EMI/RFI | Meets EN61326-1 Note: For current measurement w/ JAW, add 1mA to specification for EMC field strengths of 1V/m up to 3V/m. |
|
| Temperature Coefficient | 0.01% ºC (<18ºC or > 28ºC) | |
| Power, battery life | (2) AA 1.5 V Alkaline, IEC LR6, 40 hours typical | |
| Warranty | Three years for electronics; One year for cable and clamp assembly | |
| mA measurement (Measured by clamp) |
Resolution and Range | 0 to 20.99 mA |
| Accuracy | 0.2% +2 counts | |
| Resolution and Range | 21.0 mA to 100.0 mA | |
| Accuracy | 1% + 5 counts | |
Tech Specs
Clamp Meters/Clamp Meters Template |
|
|---|---|
| True RMS | No |
| Maximum Current DC | 100 mA (0.1 A) |
| Maximum Conductor Size | 0.177 IN |
| Resistance | No |
| Capacitance | No |
| Auto Ranging/Manual | Manual |
| In-Rush Current | No |
Process / Calibration/Signal Calibrators/Loop Calibrators Template |
|
| Measure Inputs | Yes |
| Source Outputs | Yes |
| Display (Loop Calibrators) | Dual |
| Maximum Current | 99.9 mA (0.100 A) |
| Current Measurement Resolution | 0.01mA |
| Current Accuracy | 0.2% |
| Measure RTD | No |
| Measure T/C | No |
| Measure Resistance | No |
| Measure Frequency | No |
| Measure Thermistor | No |
| Programmable | No |
| Auto Step/Ramp | No |
| Hart Compatible | No |
| Battery Life | 12 HR |
| Intrinsically Safe | No |
Process / Calibration/Milliamp Calibrators Template |
|
| Source/Simulate DC Current | Yes |
| Measure DC Current | Yes |
| Two Wire Transmitter Simulation | No |
| Percent Display | Yes |
| Accuracy | 0 to 20.99 mA: 0.2%+2 counts 21.0 mA to 100.0 mA: 1%+5 counts |
| Simulate Loop Voltage | No |
| Backlight | Yes |
| Ramp/Step Output | Yes |
| FieldBus Compatible | No |
Test Equipment General Attributes |
|
| Unique Features | Best in class 0.2 % accuracy. 0.01 mA resolution and sensitivity. Measure 4 to 20 mA signals without ”breaking the loop”. Measure mA signals for PLC and control system analog I/O. Dual backlit display with both mA measurement and percent of 4 to 20 mA span. Measurement Spotlight illuminates hard to see wires in dark enclosures. Detachable clamp with extension cable for measurements in tight locations. |
| Warranty | 3 YEARS |
| Warranty Details | One-year on mA clamp assembly and cable. |
| IP Rating | IP40 |
| Product Weight | 1.21 OUNCES (0.076 LBS) |
| Product Height | 2.83 IN |
| Product Length | 9.29 IN |
| Product Width | 4.33 IN |
| Shipping Weight | 2 LBS |
| Data Logging | No |
| HTS/Schedule B Number | 9030.31.0000 |
| ECCN Number | 3A992 |
| Calibration Included | None |
| CA Residents | Warning: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
| Battery Type | AA |
| Power Supply Voltage | Battery Powered |
| Country of Origin | China |
| Shipping Height | 5 IN |
| UPC | 095969349697 |
| Shipping Length | 16 IN |
| Shipping Width | 12 IN |
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