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Fluke 787B CAL OffersThe Fluke 789B Process Meter is the ultimate troubleshooting tool for electricians and instrumentation professionals. It combines the functionality of a full-featured loop calibrator with the power of a CAT III 1000 V, CAT IV 600 V safety rated digital multimeter, and the wireless capabilities of Fluke Connect connectivity with optional IR3000FC module. The 789 has a large, dual display with two levels of backlighting and externally accessible fuse and batteries for easy replacement. And its built-in, selectable 250-ohm HART® resistor eliminates the need to carry a separate resistor.
The 789 also has a built-in 24-Volt loop supply, which reduces the need to carry a separate power supply when doing offline transmitter testing. You can also add the wireless data logging capabilities of the Fluke Connect™ mobile app to log data wirelessly to your smart phone and review it from a remote location. *Requires Fluke IR3000FC module (not included). Not all models are available in all countries. Check with your local Fluke representative.
Features
Do a lot more while carrying a lot less
The 789 provides all standard DMM capabilities including frequency measurement to 20 kHz, Min/Max/Average/Hold/Relative modes, and diode test and continuity beeper. Combine that with the ability to troubleshoot every part of the loop.
Measure, source, simulate 4 to 20 mA signals, measure resistance, measure power, provide power to the loop and provide 250-ohm resistance to the loop. The 789 includes SpanCheck; 0% and 100% buttons to toggle between 4 and 20 mA sourcing, while the display can simultaneously show mA and% of scale readings for faster troubleshooting. It also delivers 1200-ohm drive capability on mA source.
Accuracy: This Process Meter offers manual step, 100%, 25%, Coarse, Fine, plus auto step and auto ramp. It also delivers 0.1% DC voltage accuracy and 0.05% DC current accuracy.
Applications
| Measurement Function | V DCRange and resolution: 400.0 mV, 4.000 V, 40.00 V, 400.0 V, 1000 VBest accuracy (% of reading + LSD): 0.1% + 1 V AC (true-rms)Range and resolution: 400.0 mV, 4.000 V, 40.00 V, 400.0 V, 1000 VBest accuracy (% of reading + LSD): 0.7% + 2 mA DCRange and resolution: 30.000 mABest accuracy (% of reading + LSD): 0.05% + 2 A DCRange and resolution: 1.000 A (0.440 A continuous)Best accuracy (% of reading + LSD): 0.2% + 2 A ACRange and resolution: 1.000 A (0.440 A continuous)Best accuracy (% of reading + LSD): 1% + 2 ResistanceRange and resolution: 400.0 Ohms, 4.000 k, 40.00 k, 400.0 k, 4.0 M, 40 MBest accuracy (% of reading + LSD): 0.2% + 1 Frequency (0.5 Hz to 20 kHz)Range and resolution: 199.99 Hz, 1999.9 Hz, 19.999 kHzBest accuracy (% of reading + LSD): 0.005% + 1 Diode testRange and resolution: 2.000 V (shows diode voltage drop)Best accuracy (% of reading + LSD): 2% + 1 ContinuityRange and resolution: Beeps for resistance < approximately 100 ohms |
| Output Function | DC current output (internal battery operation)Range and resolution: 0.000 to 20.000 mA or 4.000 to 20.000 mA (selectable at power-up), Over-range to 24.000 mADrive capability: 24 V compliance or 1200 ohms, at 20 mAAccuracy (% of span): 0.05% DC current simulate (Ext. 15 V to 48 V loop supply)Range and resolution: 0.000 to 20.000 mA or 4.000 to 20.000 mA (selectable at power-up), Over-range to 24.000 mADrive capability: 1000 ohms, at 20 mAAccuracy (% of span): 0.05% 24 V loop supply*Range and resolution: Minimum 24 VDrive capability: 250 ohms at 20 mAAccuracy (% of span): > 24 V Current adjustment modesRange and resolution: Manual: Coarse, Fine, 25% and 100% stepDrive capability: Automatic: Slow Ramp, Fast Ramp, 25% stepTemperature range of 64 to 82°F (18 to 28°C) for one year after calibration |
| Maximum voltage applied between any jack and earth ground | 1000 V RMS |
| Vibration | Random, 2 g, 5-500 Hz |
| Shock | 3.28' (1 m) drop test |
| Safety | IEC61010-1, Pollution Degree 2/IEC61010-2-033, CAT IV 600 V/CAT III 1000 V |
| Environmental Conditions | Storage temperature: -40 to 140°F (-40 to 60°C)Operating temperature: -4 to 131°F (-20 to 55°C)Temperature coefficient: 0.05 x (specified accuracy) per °C (for temperatures < 64 °F or > 82 °F)Relative humidity: 95% up to 86°F (30°C); 75% up to 104°F (40°C); 45% up to 122°F (50°C); 35% up to 131°F (55°C) |
| Power | Battery: Four AA alkaline batteriesBattery life: 140 hours typical (measurement), 10 hours typical (sourcing 12 mA) |
| Dimensions | 1.97 x 3.94 x 8" (50 x 100 x 203 mm) |
| Weight | 1.3 lbs (600 g) |
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Not Applicable
| Condition: | NA |
Defective new equipment may be returned for warrantyrepair/exchange to us within (5) days of the shipment receipt date. After five (5) days, returns will be handled by direct contact and in accordance with the warranty terms of the item's manufacturer. Items that have malfunctioned due to mishandling, electrical overload, etc., will be subject to repair charge.
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