Fluke 287 True-RMS Electronics Logging Multimeter
Fluke 287 True-RMS Electronics Logging Multimeter
Fluke 287 True-RMS Electronics Logging Multimeter
Equipped with new functionality
NEW – Now compatible with Fluke Connect mobile app and all Fluke FC enabled test tools with optional ir3000 FC infrared connector (sold separately).
NEW – Let your team see what you see in an instant with ShareLive™ video call (requires Fluke Connect mobile app and ir3000 FC wireless connector).
TrendCapture quickly graphically displays logged data session to quickly determine whether anomalies may have occurred.
Zoom on trend provides unprecedented ability to view and analyze TrendCapture data; zoom in up to 14 times.
Selectable AC filter (smoothing mode) helps display a steadier reading when the input signal is changing rapidly or noisy.
Adjustable recording and auto hold thresholds, specify a percentage change in the readings that begins a new event.
Large 50,000 count, 1/4 VGA display with white backlight. Multiple sets of measurement information can be simultaneously displayed at the same time.
Logging function with expanded memory for unattended monitoring of signals over time.
Using on-board TrendCapture users can graphically review logged readings without needing a PC. Store up to 15,000 recorded events.
On board help screens for measurement functions.
Saved measurements allow you to name and recall measurements made in the field.
Multi-lingual interface.
Multiple logging sessions possible without download.
0.025% basic DC accuracy.
100 kHz AC bandwidth.
Real time clock for automatic time stamping of saved readings.
True-RMS AC voltage and current for accurate measurements on complex signals or non-linear loads. AC bandwidth specified to 100 kHz.
Measure up to 10 A (20 A for 30 seconds).
100 mF capacitance range.
Temperature function.
Relative mode to remove test lead resistance from low ohms or capacitance measurements.
Peak capture to record transients as fast as 250 μs.
Premium test leads and alligator clips included.
Amp jack plugs included.
Optional FlukeView forms enable you to document, store and analyze individual readings or a series of measurements, then convert them into professional-looking documents.
Optional magnetic hanger allows you to hang the meter for easy viewing while freeing your hands to focus on the job.
Limited lifetime warranty.
| Specifications | ||
| Function | ||
| DC volts | Range / resolution | 50.000 mV, 500.00 mV, 5.0000 V, 50.000 V, 500.00 V, 1000.0 V |
| Basic accuracy | 0.025% | |
| AC volts | Range / resolution | 50.000 mV, 500.00 mV, 5.0000 V, 50.000 V, 500.00 V, 1000.0 V |
| Basic accuracy | 0.4% (True-RMS) | |
| DC current | Range / resolution | 500.00 μA, 5000.0 μA, 50.000 mA, 400.00 mA, 5.0000 A, 10.000 A |
| Basic accuracy | 0.05% | |
| AC current | Range / resolution | 500.00 μA, 5000.0 μA, 50.000 mA, 400.00 mA, 5.0000 A, 10.000 A |
| Basic accuracy | 0.6% (True-RMS) | |
| Temperature (excluding probe) | Range / resolution | -200.0°C to 1350.0°C (-328.0°F to 2462.0°F) |
| Basic accuracy | 1.0% | |
| Resistance | Range / resolution | 500.00 Ω, 5.0000 kΩ, 50.000 kΩ, 500.00 kΩ, 5.0000 MΩ, 50.00 MΩ, 500.0 MΩ |
| Basic accuracy | 0.05% | |
| Capacitance | Range / resolution | 1.000 n, 10.00 nF, 100.0 nF, 1.000 μF, 10.00 μF, 100.0 μF, 1000 μF, 10.00 mF, 100 mF |
| Basic accuracy | 1.0% | |
| Frequency | Range / resolution | 99.999 Hz, 999.99 Hz, 9.9999 kHz, 99.999 kHz, 999.99 kHz |
| Basic accuracy | 0.005% | |
| Connectivity | Optional infrared connector via Fluke ir3000 FC | |
| General Specifications | ||
| Maximum voltage between any terminal and earth ground | 1000 V | |
| Battery type | 6 AA alkaline batteries, NEDA 15A IECLR6 | |
| Battery life | 100 hours minimum, 200 hours in logging mode | |
| Temperature | Operating | -20°C to 55°C |
| Storage | -40°C to 60°C | |
| Relative humidity | 0 to 90% (0 t 37°C), 0 to 65% (37°C to 45°C), 0 to 45% (45°C to 55°C) | |
| Electromagnetic compatibility | EMC EN61326–1 | |
| Vibration | Random vibration per MIL-PRF-28800F Class 2 | |
| Shock | 1 meter drop per IEC/EN 61010–1 3rd Edition | |
| Size (H x W x L) | 22.2 x 10.2 x 6 cm (8.75 x 4.03 x 2.38 in) | |
| Weight | 870.9 g (28 oz) | |
| Multiple on screen displays | Yes | |
| True-RMS AC bandwidth | 100 kHz | |
| dBV/dBm | Yes | |
| DC mV resolution | 1 μV | |
| Megohm range | Up to 500 MΩ | |
| Conductance | 50.00 nS | |
| Continuity beeper | Yes | |
| Battery/fuse access | Yes/Yes | |
| Elapse time clock | Yes | |
| Time of day clock | Yes | |
| Min-max-avg | Yes | |
| Peak | 250 μs | |
| Duty cycle | 0.01% to 99.99% | |
| Pulse width | 0.025 ms, 0.25 ms, 2.5 ms, 1250.0 ms | |
| Hold | Yes | |
| Isolated optical interface | Yes | |
| Auto/touch hold | Yes | |
| Reading memory | Yes | |
| Log to PC | Yes | |
| Interval/event logging | Yes | |
| Logging memory | Up to 10,000 readings | |
| Wireless connectivity (optional) | Yes | |
How to Measure Voltage Using Digital Multimeter - DMM?
To start, let’s measure voltage on a AA battery: Plug the black probe into COM and the red probe into mAVΩ. Set the multimeter to “2V” in the DC (direct current) range. Almost all portable electronics use direct current), not alternating current. Connect the black probe to the battery’s ground or ‘-’ and the red probe to power or ‘+’. Squeeze the probes with a little pressure against the positive and negative terminals of the AA battery. If you’ve got a fresh battery, you should see around 1.5V on the display (this battery is brand new, so its voltage is slightly higher than 1.5V).If you’re measuring DC voltage (such as a battery or a sensor hooked up to an Arduino) you want to set the knob where the V has a straight line. AC voltage (like what comes out of the wall) can be dangerous, so we rarely need to use the AC voltage setting (the V with a wavy line next to it). If you’re messing with AC, we recommend you get a non-contact tester rather than use a digital multimeter.
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