Fluke 125B/S
Fluke 125B/S Handheld Digital Oscilloscope (40 MHz)Call for Price
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Fluke 123B/S Portable Industrial Oscilloscopes (20 MHz)Call for Price
Fluke 124B/S
Fluke 120B Series
Fluke 124B/S
fluke 120b series
Fluke 124B/S
Fluke 120B Series
Fluke 124B/S
fluke 120b series

Fluke 124B/S Portable Industrial Oscilloscopes (40 MHz)

The Fluke 124B/S Portable Industrial Oscilloscope is a compact, rugged, and versatile instrument designed to meet the needs of industrial maintenance professionals and technicians.

  • Fluke 124B portable oscilloscope
  • Shielded test leads with black ground leads
  • Test lead, black (for grounding)
  • Hook clamps (red, blue)
  • Banana plug to BNC adapter (black, 1 piece)
  • 10:1 voltage probe
  • USB angle adapter
  • WiFi USB adapter*
  • Switching power supply, adapter/battery charger
  • Li-ion battery pack
  • Padded carry bag
  • Magnetic hanging device
  • ScopeMeter® software FlukeView® for Windows®
  • Protective film
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SKU:77663

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Fluke 124BS Industrial Oscilloscopes

The Fluke 124B/S Portable Industrial Oscilloscope is a compact, rugged, and versatile instrument designed to meet the needs of industrial maintenance professionals and technicians. It integrates the functionality of a dual-input digital oscilloscope and a multimeter, making it a comprehensive test tool for a wide range of applications. This model is particularly notable for its 40 MHz oscilloscope bandwidth, which is suitable for a variety of industrial applications.

One of the key features of the Fluke 124B/S is its Connect-and-View™ trigger simplicity, which provides automatic and stable waveform display without the need for manual adjustments. This feature is particularly useful in complex industrial environments where signal patterns can be unpredictable and varied. The IntellaSet™ technology is another standout feature, which automatically and intelligently adjusts numerical readouts based on the measured signal, streamlining the troubleshooting process and making it faster and more efficient.

Fluke 124B/S: Versatile Industrial Oscilloscope with Advanced Recording and Connectivity Features

The Fluke 124B/S also includes a dual-input waveform and meter reading recorder, allowing for the trending of data over extended periods. This is particularly useful for capturing and analyzing intermittent signals or elusive events that can lead to equipment failures. The recorder event detect feature further enhances this capability by capturing and logging intermittent faults on repetitive waveforms up to 4 kHz.

Designed to withstand harsh industrial conditions, the Fluke 124B/S comes with shielded test leads for oscilloscope, resistance, and continuity measurements, ensuring reliable performance in demanding environments. It also offers comprehensive measurement capabilities, including resistance, continuity, diode, capacitance, power measurements (W, VA, VAR, PF, DPF, Hz), voltage, current, and power harmonics, providing a complete insight into the electrical state of health of industrial equipment.

Additionally, the Fluke 124B/S supports connectivity options such as an external optically isolated USB interface for transferring, archiving, and analyzing data. An optional WiFi adapter can be connected to the internal USB port for wireless data transfer to a PC, laptop, or Fluke Connect mobile app, further enhancing its versatility and ease of use. With its robust design, comprehensive measurement capabilities, and advanced features, the Fluke 124B/S Portable Industrial Oscilloscope is an essential tool for industrial electrical and electro-mechanical equipment troubleshooting and maintenance applications.

Fluke 124BS Specifications:

Oscilloscope mode
Vertical
Frequency Response – DC coupledwithout probes and measuring lines (with BB120)123B: DC to 20 MHz (-3 dB)
124B, 125B: DC to 40 MHz (-3 dB)
with shielded 1:1 measuring cable pair STL120-IVDC to 12.5 MHz (-3 dB) / DC to 20 MHz (-6 dB)
with 10:1 probe VP41123B: DC to 20 MHz (-3 dB)
124B, 125B: DC to 40 MHz (-3 dB)
Frequency Response – AC coupled (when ROLL mode off)without probes and measuring lines<10Hz (-3dB)
with shielded 1:1 measuring cable pair STL120-IV<10Hz (-3dB)
with 10:1 probe VP41<10Hz (-3dB)
Rise time, without probes or123B <17.5 ns
124B and 125B < 8.75 ns
Input impedancewithout probes and measuring lines1MΩ//20pF
with BB1201MΩ//24pF
with shielded 1:1 measuring cable pair STL120-IV1MΩ//230pF
with 10:1 probe VP415MΩ//15.5pF
sensitivity5 mV to 200 V/div
Analog bandwidth limiter10kHz
Display modesA, -A, B, -B
Max. input voltage A and Bdirectly, with measuring cables or VP41 probeCAT IV 600 Veff
with BB120600 Veff
Max. floating voltage, from each connection to groundCAT IV 600 Veff
Horizontal
Oscilloscope modesNormal, Single, Roll mode
Areas (Normal)Sampling of repetitive signals123B: 20ns to 500ns/Div,
124B and 125B: 10ns to 500ns/div
Real-time sampling1 µs to 5 s/div
Single (real time)1 µs to 5 s/div
Roll mode (real time)1 s to 60 s/div
Sample rate (for both inputs simultaneously)Sampling rate (both channels, repeating signals)up to 4 GS/s
Real-time sampling 1 s to 60 s/div.40MS/s

 

Triggering
Display updateFree running when triggered
sourceAWAY
Sensitivity A and Bat DC up to 5 MHz0.5 divisions or 5 mV
at 40MHz123B: 4 Div
124B and 125B: 1.5 div
at 60MHz123B: N/A
124B and 125B: 4 Div
FlankRising, Falling

 

Additional oscilloscope functions
Display modesNormalDetects glitches (short disturbance pulses) up to 25 ns and displays an analogue-like afterglow signal form
smoothingRemoves noise from a waveform
Glitch capture offDoes not capture glitches between sample points
EnvelopeRecords and displays the minimum and maximum values ​​of waveforms over time
Auto Set (Connect-and-View™)Constant fully automatic adjustment of amplitude, time base, trigger level, trigger distance and delay time. Manual deactivation by user setting of amplitude, time base or trigger level.

Probe accuracy +1%. There must be at least one waveform period visible on the display.

Dual channel multimeter
The accuracy of all measurements is between 18 °C and 28 °C within ± (% of the measured value + counting steps of the least significant digit).
Add 0.1 x (specified accuracy) for each °C below 18°C ​​or above 28°C. For voltage measurements with a 10:1 probe, add them together

 

Entrance A and Entrance B
DC voltage (VDC)
areas500mV, 5V, 50V, 500V, 750V
accuracy±(0.5% + 5)
Common Mode Rejection (CMRR)>100 dB at DC, >60 dB at 50, 60 or 400 Hz
Display scope5,000 counting steps
True RMS voltage values ​​(V AC ​​and V AC+DC)
areas500mV, 5V, 50V, 500V, 750V
Accuracy for 5% to 100% of range (DC coupled)DC to 60 Hz (V AC+DC)±(1% + 10)
1Hz to 60Hz (VAC)±(1% + 10)
Accuracy for 5% to 100% of range (AC or DC coupled)60Hz to 20kHz±(2.5% + 15)
DC suppression (VAC only)>50dB
Common Mode Rejection (CMRR)>100 dB at DC
>60 dB at 50, 60, or 400 Hz
Display scope5000 counting steps, measured value is independent of the crest factor.
peak value
Display typesMax Peak, Min Peak, or Peak to Peak
areas500mV, 5V, 50V, 500V, 2200V
accuracyMax Peak or Min Peak5% of the range end value
Accuracy peak to peak10% of the range end value
Display scope500 counting steps
Frequency (Hz)
areas123B: 1Hz, 10Hz, 100Hz, 1kHz, 10kHz, 100kHz, 1MHz, 10MHz, and 50MHz
124B and 125B: 1Hz, 10Hz, 100Hz, 1kHz, 10kHz, 100kHz, 1MHz, 10MHz and 70MHz
Frequency range15 Hz (1 Hz) to 50 MHz with continuous automatic adjustment
Accuracy at 1 Hz to 1 MHz±(0.5% + 2)
Display scopeDisplay size up to 10,000
revolutions/min. (RPM or min-1)
Maximum value50,000 rpm
accuracy±(0.5% + 2)
duty cycle
Area2% to 98%
Frequency range15 Hz (1 Hz) to 30 MHz with continuous automatic adjustment
Pulse width
Frequency range15 Hz (1 Hz) to 30 MHz with continuous automatic adjustment
Display scope1000 counting steps
Current strength
with current clampareassuch as V DC, V AC, V AC+DC or peak value
Scaling factors0.1mV/A, 1mV/A, 10mV/A, 100mV/A, 400mV/A, 1V/A, 10mV/mA
accuracyas with V DC, V AC, V AC+DC, or PEAK (the inaccuracy of the current clamp must be added)
Temperature with optional temperature sensor
Area200°C/div (200°F/div)
Scaling factor1mV/°C and 1mV/°F
accuracyas with V DC (the inaccuracy of the temperature sensor must be added)
Decibel (dB)
0dBV1V
0dBm (600Ω /50Ω)1 mW related to 600 Ω or 50 Ω
dB forV DC, V AC or V AC+DC
Display scope1000 counting steps
Crest factor
Area1 to 10
Display scope90 counting steps
phase
Types of measurementA to B, B to A
Area0 to 359 degrees
resolution1 degree
Power (125B only)
Configurations1-phase or 3-phase with symmetrical load (3-phase: only fundamental component, only AUTOSET operation)
Power factor (PF)Ratio between active power and apparent power: 0.00 to 1.00
Active power (watts)RMS measurements of corresponding samples from input A (voltage) and input B (current)
Display scope999 counting steps
Apparent power (VA)V eff x A eff
Display scope999 counting steps
Reactive power (VAR)√((VA)²-W²)
Display scope999 counting steps
Vpwm
PurposeFor measuring pulse width modulated signals, e.g. B. at the outputs of frequency converters
principleMeasurements show the effective voltage based on the average of sample points over a range of periods of the fundamental frequency
accuracyas with Veff for sine signals

 

Entrance A
Resistance (Ω)
areas123B and 124B500Ω, 5kΩ, 50kΩ, 500kΩ, 5MΩ, 30MΩ
125B50Ω, 500Ω, 5kΩ, 50kΩ, 500kΩ, 5MΩ, 30MΩ
accuracy± (0.6% + 5), in the range 50 Ω ±(2% + 20)
Display scope50 Ω to 5 MΩ – 5000 counts, 30 MΩ – 3000 counts
measuring current0.5 mA to 50 nA, decreasing with larger ranges
Open circuit voltage<4V
Continuity test
Acoustic signal<(30 Ω ± 5 Ω) in the 50 Ω range
measuring current0.5mA
Detection of short circuits≥1 ms
Diode test
Measuring voltage:at 0.5 mA>2.8V
at idle<4V
measuring current0.5mA
polarity+ at input A, – at COM
capacity
areas50nF, 500nF, 5μF, 50μF, 500μF
Display scope5,000 counting steps
measuring current500 nA to 0.5 mA, increasing with larger ranges

 

Advanced multimeter functions
Zero SetSetting the actual value as a reference value
AutoHold (at A)Captures a stable measurement result and fixes it on the display. If the measurement result is stable, an acoustic signal sounds. The AutoHold function affects the main measurement display, with thresholds of 1 Vpp for AC signals and 100 mV for DC signals.
Fixed decimal pointActivated by pressing the attenuator buttons

only possible in single-channel mode)

Cursor display (124B and 125B)
SourcesAWAY
Single vertical lineAverage, minimum and maximum value display
Average, minimum and maximum values ​​as well as time since display start (in ROLL mode; measuring device in HOLD mode)
Minimum and maximum value as well as time since display start (in RECORDER mode; measuring device in HOLD mode)
Harmonic values ​​in POWER QUALITY mode.
Two vertical linesDisplay of peak-to-peak values, time interval and reciprocal time interval
Display of mean, minimum and maximum values ​​as well as time interval (in ROLL mode; measuring device in HOLD mode)
Two horizontal linesDisplay high, low and peak-to-peak values
Rise or fall timeTransition time, 0% and 100% level (manual or automatic level adjustment; automatic level adjustment
accuracySee Oscilloscope Accuracy

 

recorder
The recorder captures measured values ​​in multimeter recorder mode or continuously captures sampling points of the waveforms in oscilloscope recorder mode. The information is stored in internal memory or on an optional SD card (on the 125B or 124B).
The results are displayed as a recorder plotting a graph of minimum and maximum values ​​of measurements over time, or as a waveform display showing all sample points acquired.
Measurements
Measuring speedMaximum 2 measurements/s
Record size (min., max., average)2 million measured values ​​for 1 channel
Recording period2 weeks
Maximum number of events1024
Waveform recording
Maximum sampling rate400,000 sampling points/s
Recording space internal memory400 million sampling points
Recording period internal memory15 minutes at 500 μs/div
11 hours at 20 ms/div
Recording space on the SD card1.5 billion sample points
Recording period SD card11 hours at 500 μs/div
14 days at 20 ms/div
Maximum number of events64

Include:

  • Fluke 124B portable oscilloscope
  • Shielded test leads with black ground leads
  • Test lead, black (for grounding)
  • Hook clamps (red, blue)
  • Banana plug to BNC adapter (black, 1 piece)
  • 10:1 voltage probe
  • USB angle adapter
  • WiFi USB adapter*
  • Switching power supply, adapter/battery charger
  • Li-ion battery pack
  • Padded carry bag
  • Magnetic hanging device
  • ScopeMeter® software FlukeView® for Windows®
  • Protective film
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Brand

Fluke

Fluke Corporation

Since its founding in 1948, Fluke has helped define and grow a unique technology market, providing testing and troubleshooting capabilities that have grown to mission critical status in manufacturing and service industries. Every new manufacturing plant, office, hospital, or facility built today represents another potential customer for Fluke products. From industrial electronic installation, maintenance and service, to precision measurement and quality control, Fluke tools help keep business and industry around the globe up and running. Typical customers and users include technicians, engineers, metrologists, medical-device manufacturers, and computer network professionals — people who stake their reputations on their tools, and use tools to help extend their personal power and abilities.

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