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Heath Schlumberger SM-105A / SM-104A Solid State Counter

$200.00
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SKU:
34971
Heath Schlumberger SM-105A / SM-104A  Solid State Counter
  • SM-104A counter provides the same range and readout as the SM-105A, but has a research-grade TCXO time base guaranteed stable to 1 part in 10E6 per year and 5 digits of TTL-compatible BCD output