| Specification |
| Oscilloscope Bandwidth | Fluke 125: 40 MHz Fluke 124: 40 MHz Fluke 123: 20 MHz |
| Dual input True RMS Meter | Vdc, Vac, Vac+Vdc, Ohms,Continuity , Diode-test Current, ?C, ?F, Capacitance, dBV, dBM, Crest Factor, Touch Hold and Zeroset |
| TrendPlot Recording | Automatic vertical scaling and time compression. Display the actual, MIN, MAX and AVG reading. |
| Cursors | Fluke 125/124:ΔT, 1/ΔT, V, ΔV, rise- and fall time |
| Real-time sample rate | 25 MS/s |
| Equivalent sampling rate | up to 2.5 GS/s (125, 124) or 1.25 GS/s (123) |
| Inputs and digitizers | 2 |
| Timebase range | Fluke 125/124: 20 ns - 1 min/div Fluke 123: 10 ns - 1 min/div |
| Input sensitivity | 5 mV - 500 V/div |
| Trigger types | Connect-and-View?, Free Run, Single Shot, Edge, Video, External |
| Trigger types | Connect-and-View, Free Run, Single Shot, Edge, Video, External |
| Glitch capture | 40 ns |
| Scope measurements | Automatic measurements: 26 (all instruments) On top, Fluke 125 has additional measurement functions for Power (W), VA, VAR and Power Factor (PF) for single phase and balanced-three-phase (delta) power systems. |
| Harmonics mode | Fluke 125 has capbility to analyze the harmonics contents of power signals. See below for details |
| Maximum record length | 512 min/max pts per input |
| Memory | 512 min/max pts per input |
| Memory | Fluke 125/124: 20 screens and setups Fluke 123: 10 screens and setups |
| Bus Health Test functions |
| Bus Health test: | Verifies the electrical parameters of industrial bus systems using automatic measurement and analysis functions. Next to that, an Eyepattern mode is provided for visual inspection of signal quality. |
| Parameter classification: | Default values: ? well within limits = ?good? ? within certain percentage of the limit values = ?weak? ? beyond limit values = ?bad? Limits values, as a default, are based on industry standard for the selected bus type or may be set by the user. |
| Bus systems supported: | ? AS-i (EN50295, 166 kb/s); ? CAN-bus (ISO-11898, up to 1 Mb/s); ? Interbus S (EIA-485, 500 kb/s); ? ControlNet (61158 type 2, 5Mb/s); ? Modbus (EIA-232 up to 115 kb/s and EIA-485 up to 10 Mb/s); ? Foundation Fieldbus H1 (61158 type 1, 31.25 kb/s); ? Profibus DP (EIA-485 up to 10 Mb/s); ? Profibus PA (61158 type 1, 31.25 kb/s); ? Ethernet 10Base2 (coaxial); ? Ethernet 10BaseT (UTP, 10 Mb/s); ? RS-232 (EIA-232, up to 115 kb/s); ? RS-485 (EIA-485, up to 10 Mb/s); ? user defined single wire or balanced system. |
| Modes: | Waveform Parameter analysis with automatic read-out and parameter ? validation (good / weak / bad); test limits are based on industry standards or may be set by the user. ? Eyepattern display mode. |
| Measured parameters (where applicable): | ? baud rate, ? risetime, ? fall time, ? high level, ? low level, ? bias voltage level, ? signal amplitude, ? distortion, ? jitter. |
| Eyepattern display mode: | Gives waveform display of bus signals with display persistence. Timebase and attenuator settings may be altered by the user. |
| Additional Power measurement capabilities (Fluke 125 only) |
| Measurement types: | ? Watt, ? VA, ? VAR, ? Power Factor (PF) |
| Power configuration: | Single phase or balanced three-phase (delta-configuration) mains supply |
| Voltage measurement: | Channel A; using STL120, voltage probe or direct input |
| Current measurement: | Channel B, using i400s (included) or other compatible current clamp |
| Current Clamp or Shunt sensitivity: | 0.1 / 1 / 10 / 100 / 1000 mV/A, 10 mV/mA and 400 mV/A |
| Harmonics Mode (Fluke 125 only) |
| | Converts waveform information into a harmonics display (using FFT processing) which shows the relative amplitudes of the 1st up to the 33rd harmonic |
| Analyzed waveform: | Voltage waveform(Ch.A), Current wavefrom (Ch.B) or Power (Ch.A x Ch.B), automatically generated. |
| Harmonics Frequency range: | DC up to 33rd harmonic (for fundamental up to 60 Hz); DC up to 24th harmonic (for fundamental up to 400 Hz). |
| Display | Bargraph showing 1st up to 33rd harmonic and DC; amplitude displayed in % relative to fundamental |
| Measurements: | Relative amplitude of individual harmonics; THD in %r or %f. |
| Environmental Specifications |
| Operating Temperature | 0 ?C to 50 ?C |
| Storage Temperature | -20 ?C to +60 ?C |
| Operating Altitude | 3,000 m |
| Safety Specifications |
| Electrical Safety | 600V CAT III (EN61010-1) |
| Mechanical & General Specifications |
| Size | 232 x 115 x 50 mm |
| Weight | 1.2 kg |
| Warranty | 3-years on main instrument, 1-year on accessories |
| Battery Life | 7 hrs using NiMH |
| RS232/USB Interface | Optically isolated via optional PM9080 or OC4USB for interfacing to Printer or PC |