Add to Cart Quick view Heath Schlumberger SM-105A / SM-104A Solid State Counter - AS IS Heath Schlumberger Was: $80.00 Was: $200.00 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 ... 34971 SKU: 34971 Weight: 5.00 LBS
