Fluke 120B Series Industrial ScopeMeter Handheld Oscilloscopes

The Fluke 120B Series Industrial ScopeMeter handheld Oscilloscopes are designed for industrial applications, providing accurate and reliable measurements of DC voltage, true-rms voltage, frequency, amperage, temperature, decibel, and peak-to-peak voltage.

With its high accuracy and wide range of measurement capabilities, the Fluke 120B is an ideal tool for technicians and engineers working in industrial settings.

Fluke 120B Key Features

The Fluke 120B features a range of key specifications, including:

• 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 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
• 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 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 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 -W 2 )

Fluke 120B Specifications