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Fluke 125B ScopeMeter Oscilloscope | 40 MHz Handheld Oscilloscope
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Original price was: $5,076.00.$4,061.00Current price is: $4,061.00. .( $4,467.10 inc. GST )
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FLUKE 125B handheld oscilloscope has a 40 MHz bandwidth, this oscilloscope is ideal for troubleshooting and maintenance of industrial electrical and electro-mechanical equipment.
The 125B combines an oscilloscope, a multimeter, and a high-speed recorder.
- Dual input digital oscilloscope and multimeter in a ScopeMeter® test tool
- 40 MHz oscilloscope bandwidth
- Features Connect-and-View™ trigger simplicity for hands-off operation
- Includes IntellaSet™ technology to automatically and intelligently adjust numerical readout based on measured signal
- Provides a dual-input waveform and meter reading recorder for trending data over extended periods
Fluke 120B Datasheet
Fluke 120B series, 40MHz, 2-channel scopemeter is a compact and rugged scopemeter that combines oscilloscope, multimeter, and high-speed recorder into one user-friendly instrument for industrial electrical and electro-mechanical equipment troubleshooting and maintenance applications. Further collaboration, data analysis, and archive of critical test information are made possible through integration with Fluke connect and Fluke View for scopemeter software.
With the Fluke 125B, you can measure scope cursors, power, harmonics, and bus health.
Features
- Dual-input digital oscilloscope and multimeter
- 40 MHz oscilloscope bandwidth
- Two 5000-count True RMS digital multimeters
- Connect-and-View™ trigger simplicity for hands-off operation
- IntellaSet™ technology automatically and intelligently adjusts numerical readout based on the measured signal
- Dual-input waveform and meter reading recorder for trending data over extended periods
- Recorder Event Detect captures elusive intermittent signals on repetitive waveforms up to 4 kHz
- Shielded test leads for oscilloscope, resistance and continuity measurements
- Resistance, continuity, diode and capacitance meter measurements
- Power measurements (W, VA, VAR, PF, DPF, Hz)
- Voltage, current and power harmonics
- Check Industrial networks with BusHealth physical layer tests against defined reference levels
- Save or recall data and instrument setups
- Store instrument setups defined by a test sequence for routine maintenance or most often used test procedures
- External optically isolated USB interface to transfer, archive and analyze scope or meter data
- Optional WiFi adapter connected to internal USB port to wirelessly transfer information to the PC, laptop or Fluke Connect® mobile app
- FlukeView® ScopeMeter® Software for Windows®
- Rugged design to withstand 3g Vibration, 30g shock, and rated IP51 according to EN/IEC60529
- Highest safety rating in the industry: safety rated for CAT IV 600 V
| Weight | 2 kg |
|---|
Specifications
| Oscilloscope mode | ||
| Vertical | ||
| Frequency response – dc coupled | Without probes and test leads (with BB120) | 123B: dc to 20 MHz (-3 dB) 124B and 125B: 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 | 123B: dc to 20MHz (-3 dB) 124B and 125B: 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 |
123B <17.5 ns 124B and 125B <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 | 123B: 20 ns to 500 ns/div, |
| 124B and 125B: 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 | 123B: 4 divisions | |
| 124B and 125B: 1.5 divisions | ||
| @ 60 MHz | 123B: N/A | |
| 124B and 125B: 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 | Does not capture glitches between samples | |
| 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 | ||
| The accuracy of all measurements is within ±(% of reading + number of counts) from 18 °C to 28 °C. | ||
| Add 0.1x (specific accuracy) for each °C below 18 °C or above 28 °C. For voltage measurements with 10:1 probe, add probe uncertainty +1%. More than one waveform period must be visible on the screen. |
| 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 | |
| >60 dB @ 50, 60, or 400 Hz | ||
| 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 | 123B: 1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz, 100 kHz,1 MHz, 10 MHz, and 50 MHz | |
| 124B and 125B: 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 | |
| Power (125B only) | ||
| Configurations | 1 phase / 3 phase 3 conductor balanced loads (3 phase: fundamental component only, AUTOSET mode only) | |
| Power factor (PF) | Ratio between watts and VA range – 0.00 to 1.00 | |
| Watt | RMS reading of multiplying corresponding samples of input A (volts) and input B (amperes) | |
| Full scale reading | 999 counts | |
| VA | Vrms x Arms | |
| Full scale reading | 999 counts | |
| VA reactive (var) | √((VA)2-W2) | |
| Full scale reading | 999 counts | |
| 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 | 123B and 124B | 500 Ω , 5 kΩ, 50 kΩ, 500 kΩ, 5 MΩ, 30 MΩ |
| 125B | 50 Ω, 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 (124B and 125B) | ||
| 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 measurement/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 | |
| Power Quality (125B only) | ||
| Readings | Watt, VA, var, PF, DPF, Hz | |
| Watt, VA, var ranges (auto) | 250 W to 250 MW, 625 MW, 1.56 GW | |
| When selected: total (% r) | ±(2% + 6 counts) | |
| When selected: fundamental (% f) | ±(4% + 4 counts) | |
| DPF | 0.00 to 1.00 | |
| PF | 0.00 to 1.00, ±0.04 | |
| Frequency range | 10.0 Hz to 15.0 kHz 40.0 Hz to 70.0 Hz |
|
| Number of Harmonics | DC to 51 | |
| Readings / Cursor readings (fundamental 40 Hz to 70 Hz) |
Vrms / Arms /Watt | Each harmonic from fundamental maybe selected for individual readings |
| Includes frequency of fundamental, phase Angle and K-factor (in Amp and Watt) | ||
| BusHealth tester (Fluke 125B only) | ||
| Type | Subtype | Protocol |
| AS-i | NEN-EN50295 | |
| CAN | ISO-11898 | |
| Interbus S | RS-422 | EIA-422 |
| Modbus | RS-232 | RS-232/EIA-232 |
| RS-485 | RS-485/EIA-485 | |
| Foundation Fieldbus | H1 | 61158 type 1, 31.25 kBit |
| Profibus | DP | EIA-485 |
| PA | 61158 type 1 | |
| 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 x 132 x 55 mm (10.2 x 5.2 x 2.15 in) |
| Weight | 1.4 kg (3.2 lb) including battery pack | |
| Interface | Optically isolated | Transfer screen copies (bitmaps), settings and data |
| USB to PC/laptop | OC4USB optically isolated USB adapter/cable, (optional), using FlukeView® software for Windows®. | |
| Optional WiFi adapter | 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) | Non-condensing |
| @ 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) | Non-condensing |
| 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 | |
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