Alpha 500/550/560 Series Controllers pH, ORP, Conductivity, DO

Durable, cost efficient and reliable, the no-frills Thermo Scientific Alpha 500, 550 and 560 series are easy to use with menu-driven calibration programmes and advance customization capabilities. Non-volatile memory retains all settings and calibration data, eliminating the hassle of recalibration in the event of a power loss. Meters come in IP65 weather-proof housing, flexibly designed for wall and panel mountings.


  • Two-Wire 4-20 mA Current Output
  • Automatic Temperature Compensation
  • Liquid Ground
  • Flexible for use with 24 V DC or 9 V DC power source

Alpha 500/550/560 Transmitter/Monitor/Controller Series