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Fluke 1900A Multi-Counter Benchtop Frequency Counter in Excellent Condition

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MPN:
1900A
Condition:
Used
Shipping:
$18.00 (Fixed Shipping Cost)
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$59.99
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Description

Fluke 1900A Multi-Counter Benchtop Frequency Counter in Excellent Condition

The Fluke 1900A (Multi-Counter) is a classic 1970s rugged benchtop frequency counter, popular for ham radio, electronics repair, and lab use. It is reliable, easy to operate, and still useful today for HF work and general testing.
 
 
Key Specifications
  • Frequency Range: 5 Hz to 80 MHz
  • Measurement Functions: Frequency, Period, Period Averaging, Totalize (event counting up to 999,999)
  • Display: 6-digit (sometimes described as 7-digit) bright LED
  • Sensitivity: Typically 15–25 mV RMS (sine wave)
  • Input: 1 MΩ shunted by <30 pF; attenuator (x1/x10)
  • Other Features: Selectable gate times, 1 MHz low-pass filter, manual/auto trigger, overload protection
  • Resolution: Down to 0.1 Hz in frequency mode (depending on gate time)
  • Power: 115/230 VAC, 50/60/400 Hz
  • Accuracy: Crystal timebase (±1 count ± timebase stability; typical aging ~1 ppm/month)
     
     
Dimensions: Compact bench unit (~8.5" W x 2.5" H x 10.6" D). It excels at measuring transmitter frequencies, oscillator alignment, audio tones, and logic signals.
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