FLUKE 124B 40MHz Industrial ScopeMeter

Fluke 124B Scopemeter

Simplified testing, more insight and faster electro-mechanical troubleshooting
The compact ScopeMeter® 120B Series, is the rugged oscilloscope solution for industrial electrical and electro-mechanical equipment troubleshooting and maintenance applications. It’s a truly integrated test tool, with oscilloscope, multimeter and high-speed recorder in one easy-to-use instrument. The ScopeMeter 120B Series also integrates with Fluke Connect® mobile app and FlukeView® for ScopeMeter software to enable further collaboration, data analysis and archiving of critical test information.

The 120B Series Industrial ScopeMeter Test Tools include innovative functions designed to help technicians troubleshoot faster and get the answers they need to keep their systems up and running. Display waveforms with Connect and View™ trigger and setup technology and automatically view related numerical measurements using Fluke IntellaSet™ technology, all without making manual measurement adjustments. With Recorder Event Detect capabilities, elusive intermittent events are captured and logged for easy viewing and analysis.

Connect-and-View™ triggering for an instant, stable display
Oscilloscope users know how difficult triggering can be. Using the wrong settings can lead to unstable waveform captures, and sometimes the wrong measurement data. Fluke’s unique Connect-andView™ triggering technology recognizes signal patterns, and automatically sets up the correct triggering to provide a stable, reliable and repeatable display. Connect-and-View™ triggering is designed to work with virtually any signal, including motor drives and control signals—without adjusting parameters, or even touching a button. Signal changes are instantly recognized and settings are automatically adjusted, providing a stable display even when measuring multiple test points in quick succession.

IntellaSet™/AutoReading
The Auto Readings function with Fluke IntellaSet™ technology uses proprietary algorithms to intelligently analyze the measured waveform and automatically displays the most appropriate numerical measurements on screen, so you can get the data you need easier than ever before. As an example, when the measured waveform is a line voltage signal, the Vrms and Hz readings are automatically displayed, whereas if the measured waveform is a square wave, the Vpeak-peak and Hz readings are automatically displayed. Using IntellaSet™ technology in conjunction with Connect-and-View™ automatic triggering you can be sure you’re seeing not only the correct waveform, but the appropriate numerical reading as well. All without touching a button.

Industrial equipment needs a reliable power supply to operate properly, use the dual input to obtain key power measurements.
For single phase or 3-phase balanced systems, the dual inputs of the Industrial ScopeMeter® 120B Series can measure ac+dc rms voltage on channel A and ac+dc rms current on channel B. The Fluke 125B can then calculate; frequency, phase angle, active power (kW), reactive power (VA or var), power factor (PF) or displacement power factor (DPF) and can also calculate the power values for a 3-phase system where all phases have equal voltage and currents. This applies to both balanced system and resistive loads.

Harmonics measurements
Harmonics are periodic distortions of voltage, current, or power sine waves. Harmonics in power distribution systems are often caused by non-linear loads such as switched mode dc power supplies and adjustable speed motor drives. Harmonics can cause transformers, conductors, and motors to overheat. In the Harmonics function, the Test Tool measures harmonics to the 51st. Related data such as dc components, THD (Total Harmonic Distortion), and K factor are measured to provide a complete insight in to the electrical state of health of your loads.

One test lead to measure multiple electrical parameters
High frequency waveform, meter, capacitance and resistance measurements as well as continuity checks are all covered by single set of shielded test leads. No time is wasted finding or swapping leads.

Fluke Connect mobile app compatibility
Automated industrial machinery is harder than ever to trouble shoot. It’s not enough to just know where you have to test, you also have to know what to look for—and that can be hard without baseline measurement data or access to subject matter experts. The Fluke Connect® Assets wireless system of software and wireless test tools enables technicians to reduce maintenance costs and increase uptime with accurate equipment records and maintenance data that is easy to interpret, and share. Compare and contrast test point measurement data and trends so you can better understand signal characteristics and changes over time. And, by storing maintenance data on the Fluke Cloud™ you can enable team members to access it from wherever and whenever they need to so you can get advice or approvals in the field and get your systems up and running faster than ever before.

Use the comprehensive recorder modes to help find intermittent faults with ease
The toughest faults to find are those that happen only once in a while—intermittent events. They can be caused by bad connections, dust, dirt, corrosion or simply broken wiring or connectors. Other factors, like line outages and sags or the starting and stopping of a motor, can also cause intermittent events resulting in equipment shutdowns. When these events happen, you may not be around to see it. But, your Fluke ScopeMeter® Test Tool will. You can either plot the minimum and maximum peak measurement values or record the waveform trace. And, with expandable micro SD memory, recording sessions can be done for up to 14 days. This recorder is even more powerful with the addition of Recorder Event Detect, which makes detecting and logging intermittent faults easier than ever. Just set a threshold on a meter reading or scope trace and deviations are tagged as unique events. You no longer need to search through masses of data to pinpoint faults, and can quickly step from one tagged event to the next, while still having access to the full data set.

Industrial Bus Health Test verifies electrical signal quality on industrial buses
Bus Health Test analyzes the electrical signals on the industrial bus or network and gives a clear “Good”, “Weak” or “Bad” indication mark for each of the relevant parameters, presented next to the actual measurement value. Measured values are compared to standard values based on the selected bus types (CAN-bus, Profi-bus, Foundation Field, RS-232 and many more), or, unique reference values can be set if different tolerances are required. The Fluke 125B can validate the quality of the electrical signals as soon as they are passed along the network, without looking at the data content. Additionally, the 125B checks the signal levels and speed, transition times and distortion, and compares these to the appropriate standards to help you find errors such as improper cable connections, bad contacts, incorrect grounding or improper terminators.

Specifications:

Oscilloscope mode
Vertical
Frequency response - dc coupled	without probes and test leads (with BB120): dc to 40 MHz (-3 dB) with STL120-IV 1:1 shielded test leads: DC to 12.5 MHz (-3 dB) / dc to 20 MHz (-6 dB) with VP41 10:1 Probe: dc to 40 MHz (-3 dB)
Frequency response - ac coupled (lf roll off)	without probes and test leads: <10 Hz (-3 dB) with STL120-IV 1:1 shielded test leads: <10 Hz (-3 dB) with VP41 10:1 Probe: <10 Hz (-3 dB)
Rise time, excluding probes, test leads	<8.75 ns
Input impedance	without probes and test leads: 1 MΩ//20 pF with BB120: 1 MΩ//24 pF with STL120-IV 1:1 shielded test leads: 1 MΩ//230 pF with VP41 10:1 Probe: 5 MΩ//15.5 pF
Sensitivity	5 mV to 200 V/div
Analog bandwidth limiter	10 kHz
Display modes	A, -A, B, -B
Max. input voltage A and B	direct, with test leads, or with VP41 Probe 600 Vrms CAT IV, 750 Vrms maximum voltage with BB120 600 Vrms
Max. floating voltage, from any terminal to ground	600 Vrms CAT IV, 750 Vrms up to 400Hz
Horizontal
Scope modes	Normal, Single, Roll
Ranges (Normal)	Equivalent sampling: 10 ns to 500 ns/div Real time sampling: 1 μs to 5 s/div Single (real time): 1 μs to 5 s/div Roll (real time): 1s to 60 s/div
Sampling rate (for both channels simultaneously)	Equivalent sampling (repetitive signals): up to 4 GS/s Real time sampling 1 μs to 60 s/div: 40 MS/s
Trigger
Screen update	Free run, on trigger
Source	A, B
Sensitivity A and B	@ DC to 5 MHz: 0.5 divisions or 5 mV @ 40 MHz: 1.5 divisions @ 60 MHz: 4 divisions
Slope	Positive, negative
Advanced scope functions
Display modes	Normal: Captures up to 25 ns glitches and displays analog-like persistence waveform. Smooth: Suppresses noise from a waveform. Glitch off: Glitch off Envelope: Records and displays the minimum and maximum of waveforms over time.
Auto set (Connect-and-View™)	Continuous fully automatic adjustments of amplitude, time base, trigger levels, trigger gap, and hold-off. Manual override by user adjustment of amplitude, time base, or trigger level.
Dual input meter
Input A and input B
DC voltage (VDC)
Ranges	500 mV, 5 V, 50 V, 500 V, 750 V
Accuracy	± (0.5 % +5 counts)
Common mode rejection (CMRR)	>100 dB @ dc, >60 dB @ 50, 60, or 400 Hz
Full scale reading	5000 counts
True-rms voltages (V ac and V ac+dc)
Ranges	500 mV, 5 V, 50 V, 500 V, 750 V
Accuracy for 5 % to 100 % of range (DC coupled)	DC to 60 Hz (V ac+dc) ± (1 % +10 counts) 1 Hz to 60 Hz (V ac) ± (1 % +10 counts)
Accuracy for 5 % to 100 % of range (AC or dc coupled)	60 Hz to 20 kHz ± (2.5 % +15 counts)
DC rejection (only VAC)	>50 dB
Common mode rejection (CMRR)	>100 dB @ dc
Full scale reading	5000 counts, reading is independent of any signal crest factor.
Peak
Modes	Max peak, Min peak, or pk-to-pk
Ranges	500 mV, 5 V, 50 V, 500 V, 2200 V
Accuracy	Accuracy Max peak or Min peak 5 % of full scale Accuracy Peak-to-Peak 10 % of full scale
Full scale reading	500 counts
Frequency (Hz)
Ranges	1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz, 100 kHz, 1 MHz, 10 MHz, and 70 MHz
Frequency range	15 Hz (1 Hz) to 50 MHz in continuous autoset
Accuracy @1 Hz to 1 MHz	± (0.5 % +2 counts)
Full scale reading	10 000 counts
RPM
Max reading	50.00 kRPM
Accuracy	± (0.5 % +2 counts)
Duty cycle (PULSE)
Range	2 % to 98 %
Frequency range	15 Hz (1 Hz) to 30 MHz in continuous autoset
Pulse width (PULSE)
Frequency range	15 Hz (1 Hz) to 30 MHz in continuous autoset
Full scale reading	1000 counts
Amperes (AMP)
With current clamp	Ranges same as V dc, V ac, V ac+dc, or PEAK Scale factors 0.1 mV/A, 1 mV/A, 10 mV/A, 100 mV/A, 400 mV/A, 1 V/A, 10 mV/mA Accuracy: same as V dc, V ac, V ac+dc, or PEAK (add current clamp uncertainty)
Temperature (TEMP) with optional temperature probe
Range	200 °C/div (200 °F/div)
Scale factor	1 mV/°C and 1 mV/°F
Accuracy	as V dc (add temp. probe uncertainty)
Decibel (dB)
0 dBV	1 V
0 dBm (600 Ω /50 Ω)	1 mW referenced to 600 Ω or 50 Ω
dB on	V dc, V ac, or Vac+dc
Full scale reading	1000 counts
Crest factor (CREST)
Range	1 to 10
Full scale reading	90 Counts
Phase
Modes	A to B, B to A
Range	0 to 359 degrees
Resolution	1 degree
Vpwm
Purpose	to measure on pulse width modulated signals, like motor drive inverter outputs
Principle	readings show the effective voltage based on the average value of samples over a whole number of periods of the fundamental frequency
Accuracy	as Vrms for sinewave signals
Input A to common
Ohm (Ω)
Ranges	500 Ω , 5 kΩ, 50 kΩ, 500 kΩ, 5 MΩ, 30 MΩ
Accuracy	± (0.6 % + 5 counts) 50 Ω ±(2 % + 20 counts)
Full scale reading	50 Ω to 5 MΩ - 5000 counts, 30 MΩ - 3000 counts
Measurement current	0.5 mA to 50 nA, decreases with increasing ranges
Open circuit voltage	<4 V
Continuity (Cont)
Beep	<(30 Ω ± 5 Ω) in 50 Ω range
Measurement current	0.5 mA
Detection of shorts of	≥1 ms
Diode
Measurement voltage	@0.5 mA >2.8 V @open circuit <4 V
Measurement current	0.5 mA
Polarity	+ on input A, - on COM
Capacitance (CAP)
Ranges	50 nF, 500 nF, 5 μF, 50 μF, 500 μF
Full scale reading	5000 counts
Measurement current	500 nA to 0.5 mA, increases with increasing ranges
Advanced meter functions
Zero Set	Set actual value to reference
AutoHold (on A)	Captures and freezes a stable measurement result. Beeps when stable. AutoHold works on the main meter reading, with thresholds of 1 Vpp for AC signals and 100 mV for DC signals.
Fixed decimal point	Activated by using attenuation keys.
Cursor Readout
Sources	A, B
Single vertical line	Average, min and max readout Average, min, max and time from start of readout (in ROLL mode; instrument in HOLD) Min, max and time from start of readout (in RECORDER mode; instrument in HOLD) Harmonics values in POWER QUALITY mode.
Dual vertical lines	Peak-peak, time distance and reciprocal time distance readout Average, min, max and time distance readout (in ROLL mode; instrument in HOLD)
Dual horizontal lines	High, low and peak-peak readout
Rise or fall time	Transition time, 0 %-level and 100 %-level readout (manual or auto leveling; auto leveling only possible in single channel mode)
Accuracy	As oscilloscope accuracy
Recorder
	The recorder captures meter readings in Meter Recorder mode or continuously captures waveform samples in Scope Recorder mode. The information is stored on internal memory or on optional SD card (with the 125B or 124B)
	The results are displayed as Chart recorder display that plots a graph of min and max values of Meter measurements over time or as a waveform recorder display that plots all the captured samples.
Meter readings
Measurement Speed	Maximum 2 measurements/s
Record Size (min, max, average)	2 M readings for 1 channel
Recorded Time Span	2 weeks
Maximum number of events	1024
Waveform record
Maximum sample rate	400 K sample/s
Size Internal memory	400 M samples Recorded Time
Span internal memory	15 minutes at 500 μs/div 11 hours at 20 ms/div
Record Size SD card	1.5 G samples
Recorded Time Span SD card	11 hours at 500 μs/div 14 days at 20 ms/div
Maximum number of events	64
Miscellaneous
Display	Type 5.7-inch color active matrix TFT Resolution 640 x 480 pixels
Waveform Display	Vertical 10 div of 40 pixels Horizontal 12 div of 40 pixels
Power	External via Power Adapter BC430 Input voltage 10 V DC to 21 V DC Power consumption 5 W typical Input connector 5 mm jack Internal via Battery Pack BP290 Battery power Rechargeable Li-Ion 10.8 V Operating time 7 hours with 50 % backlight brightness Charging time 4 hours with test tool off, 7 hours with test tool on Allowable ambient temp: 0 to 40 °C (32 to 104 °F) during charging
Memory	Internal memory can store 20 data sets (screen waveform and setup) Micro SD card slot with optional SD card (max size of 32 GB)
Mechanical	Size 259 mm x 132 mm x 55 mm (10.2 in x5.2 in x 2.15 in) Weight 1.4 kg (3.2 lb) including battery pack Optically isolated Transfer screen copies (bitmaps), settings and data
Interface	USB to PC/laptop: OC4USB optically isolated USB adapter/cable, (optional), using FlukeView® software for Windows® Fast transfer of screen copies (bitmaps), settings and data to PC/laptop, tablet, smartphone, etc. A USB port is provided for attaching the WiFi dongle. Do not use the USB port with a cable for safety reasons.
Environmental
Environmental	MIL-PRF-28800F, Class 2
Temperature	Battery Operation 0 to 40 °C (32 to 104 °F) Power Adapter Operation 0 to 50 °C (32 to 122 °F) Storage -20 to 60 °C (-4 to 140 °F)
Humidity (Operating)	@ 0 to 10 °C (32 to 50 °F): noncondensing @ 10 to 30 °C (50 to 86 °F) 95 % @ 30 to 40 °C (86 to 104 °F) 75 % @ 40 to 50 °C (104 to 122 °F) 45 %
Storage	@ -20 to 60 °C (-4 to 140 °F) noncondensing
Altitude	Operating at 3 km (10 000 feet) CAT III 600 V Operating at 2 km (6 600 feet) CAT IV 600 V Storage 12 km (40 000 feet)
EMC electromagnetic compatibility	International IEC 61326-1: Industrial, CISPR 11: Group 1, Class A Korea (KCC) Class A Equipment (Industrial Broadcasting & Communication Equipment) USA (FCC) 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103
Wireless radio with adapter	Frequency range 2412 MHz to 2462 MHz Output power <100 mW
Enclosure protection	IP51, ref: EN/IEC60529
Safety	General IEC 61010-1: Pollution Degree 2 Measurement IEC 61010-2-033: CAT IV 600 V/CAT III 750 V
Max. input voltage input A and B	Direct on input or with leads 600 Vrms CAT IV for derating With Banana-to BNC Adapter BB120 600 Vrms for derating Max. floating voltage from any terminal to ground 600 Vrms CAT IV, 750 Vrms up to 400 Hz

For full Fluke 124B product specifications, please click here: Fluke 124B

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