GAMRY QCM-I 石英晶体微量天平 (1-80 MHz)

Measuring Principle

The QCM-I unit is a high sensitivity mass sensor which measures the change in frequency of a quartz crystal resonator

Measurement Channels: 1-4

Frequency Range: 1-80 MHz

Working Temperature: 4° C to 80° C, stability ± 0.02° C

Flow Cell Volume: ~ 40 µl (typical with Ø14 mm crystals)

Typical Flow Rates: 0.01µl/min - 35ml/min with external syringe pump

Syringe size: 1-60 ml

Sample Volume: 1 to 2000 µl (depends on installed loop volume)

Wetted parts: PTFE, PEEK, SS, VITON or Kalrez

MEASUREMENT SENSITIVITY

Standard Resonance Frequency sensitivity: ~2 x 10-1 Hz

Standard Dissipation Sensitivity in Liquid: ~ 1 x 10-7

Mass Sensitivity in Liquid: ≤ 1 ng/cm2

SENSORS

Sensor Crystal: 5 MHz, AT-cut, modular sensor holder accommodates

either 14 mm or 1” inch diameter crystals

ELECTRICAL

Supply Voltage: DC power supply with universal input voltage from

100V to 240V AC & 50 to 60 Hz

 Datasheet