Gate interval   0.01 to 10 s

Frequency   stability 100 ppm/癈

Counter logic   32 bit

Air oscillator   TTL compatible

Liquid   oscillator TTL compatible

Interface USB   port

Instrument   output delta f (proportional to electrode mass)

Biochemical   output analyte concentration

Transducer   quartz crystal AT-cut, 9.5 MHz (standard)1 to 10 MHz (optional)

Units 1 to 4

Crystal port   standard 125 mm

Warm-up   interval 30-40 min (only after first power-up to meet above stability   specifications)

Software Real   time frequency data via dedicated software (windows application running under   Win 9x, NT, 2000, XP, Vista)

Physical   dimensions(base Unit) 165 x 35 x 65 mm (L x H x W)

Power supply   external +12 Vdc

Operating   temperature 0? to 55癈